[INFO] updating cached repository https://github.com/michaelsproul/rust-simpl-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e57144f83acb1ad9682c9f4e6de8c63a75707d3
[INFO] testing michaelsproul/rust-simpl-db against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelsproul%2Frust-simpl-db" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelsproul/rust-simpl-db on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelsproul/rust-simpl-db
[INFO] finished tweaking git repo https://github.com/michaelsproul/rust-simpl-db
[INFO] tweaked toml for git repo https://github.com/michaelsproul/rust-simpl-db written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelsproul/rust-simpl-db already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 601b4c101cce737a712a8016f0b27770d4ff11272107634953584a62850a8f16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "601b4c101cce737a712a8016f0b27770d4ff11272107634953584a62850a8f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601b4c101cce737a712a8016f0b27770d4ff11272107634953584a62850a8f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601b4c101cce737a712a8016f0b27770d4ff11272107634953584a62850a8f16", kill_on_drop: false }`
[INFO] [stdout] 601b4c101cce737a712a8016f0b27770d4ff11272107634953584a62850a8f16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a11a15e202f724ffd5b8be6d46c39a78a31f0643c96a22b26316f010065f2c5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a11a15e202f724ffd5b8be6d46c39a78a31f0643c96a22b26316f010065f2c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling malh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             try!(Err(format!("relation already exists: {}", name)))
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             try!(Err("number of attributes can't be zero"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:92:24
[INFO] [stdout]    |
[INFO] [stdout] 92 |             info_file: try!(File::create(info_file_name(name))),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 |             data_file: try!(File::create(data_file_name(name))),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:94:26
[INFO] [stdout]    |
[INFO] [stdout] 94 |             ovflow_file: try!(File::create(ovflow_file_name(name)))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let page = try!(Page::new(&r.data_file));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             try!(page.close());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let info_file = try!(open_opts.open(info_file_name(name)));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let num_attrs = try!(read_u32(&info_file));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let depth = try!(read_u8(&info_file));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let split_pointer = try!(read_u32(&info_file));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let num_pages = try!(read_u64(&info_file));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:116:26
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let num_tuples = try!(read_u64(&info_file));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:117:26
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let choice_vec = try!(ChoiceVec::read(&info_file));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |             data_file: try!(open_opts.open(data_file_name(name))),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:130:26
[INFO] [stdout]     |
[INFO] [stdout] 130 |             ovflow_file: try!(open_opts.open(ovflow_file_name(name)))
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |             try!(self.grow());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:176:24
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut page = try!(Page::read(&self.data_file, page_id));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             try!(page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |             try!(page.add_to_overflow(&self.ovflow_file, &serialised_tuple));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             try!(Relation::load_next_page(next_page_id, ovflow_file, tuple_cache, tuples_seen, spare_pages));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:228:35
[INFO] [stdout]     |
[INFO] [stdout] 228 |             let new_ovflow_page = try!(get_next_page_id(ovflow_file));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         try!(storage_page.write());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |             try!(storage_page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let next_page = try!(Page::read(ovflow_file, *next_page_id));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:285:29
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut high_page = try!(Page::new(&self.data_file));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:290:28
[INFO] [stdout]     |
[INFO] [stdout] 290 |         let old_low_page = try!(Page::read(&self.data_file, sp));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 try!(Relation::store_tuple_grow(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 try!(Relation::load_next_page(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(low_page.close());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |         try!(high_page.close());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |             try!(leftover_page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |         try!(write_u32(f, self.num_attrs));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         try!(write_u8(f, self.depth));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 376 |         try!(write_u32(f, self.split_pointer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         try!(write_u64(f, self.num_pages));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         try!(write_u64(f, self.num_tuples));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         try!(self.choice_vec.write(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:400:9
[INFO] [stdout]     |
[INFO] [stdout] 400 |         try!(fs::remove_file(info_file_name(&self.name)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         try!(fs::remove_file(data_file_name(&self.name)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         try!(fs::remove_file(ovflow_file_name(&self.name)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let id = try!(get_next_page_id(file));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(seek_to_start(f, page_id));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         try!(f.read_exact(&mut buffer[..]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let free = try!(read_u32(&mut cursor));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let ovflow = try!(read_u32(&mut cursor));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let num_tuples = try!(read_u32(&mut cursor));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let bytes_read = try!(cursor.read(page.data.as_mut()));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(seek_to_start(&self.file, self.id));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(write_u32(&mut buf, self.free));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(write_u32(&mut buf, self.ovflow));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(write_u32(&mut buf, self.num_tuples));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         try!(buf.write_all(self.data.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(self.file.write_all(buf.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         try!(self.file.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             try!(self.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:173:35
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let mut ovflow_page = try!(Page::new(ovflow_file));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             try!(self.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             try!(ovflow_page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:182:31
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut ovflow_page = try!(Page::read(ovflow_file, self.ovflow));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let file_length = try!(file.metadata().map(|m| m.len()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:67:26
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let l: u32 = try!(split[0].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let r: u8 = try!(split[1].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             try!(write_u32(f, attr));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             try!(f.write_u8(val));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:88:24
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let attr = try!(read_u32(f));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:89:23
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let val = try!(f.read_u8());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type BoxError = Box<Error + Send + Sync>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/partial_hash.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         (1 << (self.highest_usable_bit))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]  --> src/util.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::hash::{Hash, SipHasher, Hasher};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut s = SipHasher::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/relation.rs:60:47
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 error!("Reason: {}, {}", e, e.description());
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut s = SipHasher::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/relation.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Seek, SeekFrom, Write};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/page.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let mut dest = &mut self.data[self.free as usize .. new_free as usize];
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 76 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(Err("Usage: insert <relation> [data file]"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut relation = try!(Relation::open(&relation_name, Writing)
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let f = try!(File::open(&args[2]));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let tuple = try!(Tuple::parse(&line, relation.num_attrs)
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/stats.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(Err("Usage: stats <relation name>"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/stats.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let r = try!(Relation::open(relation_name, Reading)
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         try!(relation.insert(tuple).map_err(|e| {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/insert.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let input: Box<BufRead> = if args.len() == 3 {
[INFO] [stdout]    |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(Err("Usage: create <name> <num attrs> <num pages> <choice vec>"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let num_attrs = try!(args[2].parse()
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let est_num_pages = try!(args[3].parse()
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let choice_vec = try!(ChoiceVec::parse(&args[4], num_attrs)
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     try!(
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(Err("Usage: select <relation name> <query>"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let relation = try!(Relation::open(relation_name, Reading));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let query = try!(Query::parse(query_string, relation.num_attrs)
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let tuple = try!(item);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.76s
[INFO] running `Command { std: "docker" "inspect" "a11a15e202f724ffd5b8be6d46c39a78a31f0643c96a22b26316f010065f2c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11a15e202f724ffd5b8be6d46c39a78a31f0643c96a22b26316f010065f2c5f", kill_on_drop: false }`
[INFO] [stdout] a11a15e202f724ffd5b8be6d46c39a78a31f0643c96a22b26316f010065f2c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 120048ae9c4a08835855c871c04cacf40f6e58152dc60874ef78441d4ab8cbb9
[INFO] running `Command { std: "docker" "start" "-a" "120048ae9c4a08835855c871c04cacf40f6e58152dc60874ef78441d4ab8cbb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid v0.2.3
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             try!(Err(format!("relation already exists: {}", name)))
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             try!(Err("number of attributes can't be zero"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:92:24
[INFO] [stdout]    |
[INFO] [stdout] 92 |             info_file: try!(File::create(info_file_name(name))),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 |             data_file: try!(File::create(data_file_name(name))),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:94:26
[INFO] [stdout]    |
[INFO] [stdout] 94 |             ovflow_file: try!(File::create(ovflow_file_name(name)))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let page = try!(Page::new(&r.data_file));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             try!(page.close());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let info_file = try!(open_opts.open(info_file_name(name)));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let num_attrs = try!(read_u32(&info_file));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let depth = try!(read_u8(&info_file));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let split_pointer = try!(read_u32(&info_file));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let num_pages = try!(read_u64(&info_file));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:116:26
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let num_tuples = try!(read_u64(&info_file));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:117:26
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let choice_vec = try!(ChoiceVec::read(&info_file));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |             data_file: try!(open_opts.open(data_file_name(name))),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:130:26
[INFO] [stdout]     |
[INFO] [stdout] 130 |             ovflow_file: try!(open_opts.open(ovflow_file_name(name)))
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |             try!(self.grow());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:176:24
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut page = try!(Page::read(&self.data_file, page_id));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             try!(page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |             try!(page.add_to_overflow(&self.ovflow_file, &serialised_tuple));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             try!(Relation::load_next_page(next_page_id, ovflow_file, tuple_cache, tuples_seen, spare_pages));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:228:35
[INFO] [stdout]     |
[INFO] [stdout] 228 |             let new_ovflow_page = try!(get_next_page_id(ovflow_file));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         try!(storage_page.write());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |             try!(storage_page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let next_page = try!(Page::read(ovflow_file, *next_page_id));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:285:29
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut high_page = try!(Page::new(&self.data_file));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:290:28
[INFO] [stdout]     |
[INFO] [stdout] 290 |         let old_low_page = try!(Page::read(&self.data_file, sp));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 try!(Relation::store_tuple_grow(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 try!(Relation::load_next_page(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(low_page.close());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |         try!(high_page.close());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |             try!(leftover_page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |         try!(write_u32(f, self.num_attrs));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         try!(write_u8(f, self.depth));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 376 |         try!(write_u32(f, self.split_pointer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         try!(write_u64(f, self.num_pages));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         try!(write_u64(f, self.num_tuples));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         try!(self.choice_vec.write(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:400:9
[INFO] [stdout]     |
[INFO] [stdout] 400 |         try!(fs::remove_file(info_file_name(&self.name)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         try!(fs::remove_file(data_file_name(&self.name)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         try!(fs::remove_file(ovflow_file_name(&self.name)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let id = try!(get_next_page_id(file));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(seek_to_start(f, page_id));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         try!(f.read_exact(&mut buffer[..]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let free = try!(read_u32(&mut cursor));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let ovflow = try!(read_u32(&mut cursor));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let num_tuples = try!(read_u32(&mut cursor));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let bytes_read = try!(cursor.read(page.data.as_mut()));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(seek_to_start(&self.file, self.id));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(write_u32(&mut buf, self.free));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(write_u32(&mut buf, self.ovflow));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(write_u32(&mut buf, self.num_tuples));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         try!(buf.write_all(self.data.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(self.file.write_all(buf.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         try!(self.file.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             try!(self.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:173:35
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let mut ovflow_page = try!(Page::new(ovflow_file));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             try!(self.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             try!(ovflow_page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:182:31
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut ovflow_page = try!(Page::read(ovflow_file, self.ovflow));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let file_length = try!(file.metadata().map(|m| m.len()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:67:26
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let l: u32 = try!(split[0].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let r: u8 = try!(split[1].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             try!(write_u32(f, attr));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             try!(f.write_u8(val));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:88:24
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let attr = try!(read_u32(f));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:89:23
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let val = try!(f.read_u8());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type BoxError = Box<Error + Send + Sync>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/partial_hash.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         (1 << (self.highest_usable_bit))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]  --> src/util.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::hash::{Hash, SipHasher, Hasher};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut s = SipHasher::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/relation.rs:60:47
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 error!("Reason: {}, {}", e, e.description());
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut s = SipHasher::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/relation.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Seek, SeekFrom, Write};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/page.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let mut dest = &mut self.data[self.free as usize .. new_free as usize];
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 76 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/stats.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(Err("Usage: stats <relation name>"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/stats.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let r = try!(Relation::open(relation_name, Reading)
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(Err("Usage: create <name> <num attrs> <num pages> <choice vec>"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let num_attrs = try!(args[2].parse()
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let est_num_pages = try!(args[3].parse()
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let choice_vec = try!(ChoiceVec::parse(&args[4], num_attrs)
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     try!(
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(Err("Usage: insert <relation> [data file]"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(Err("Usage: select <relation name> <query>"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let relation = try!(Relation::open(relation_name, Reading));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut relation = try!(Relation::open(&relation_name, Writing)
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let query = try!(Query::parse(query_string, relation.num_attrs)
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let f = try!(File::open(&args[2]));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let tuple = try!(item);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let tuple = try!(Tuple::parse(&line, relation.num_attrs)
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         try!(relation.insert(tuple).map_err(|e| {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/insert.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let input: Box<BufRead> = if args.len() == 3 {
[INFO] [stdout]    |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling malh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(Err("Usage: create <name> <num attrs> <num pages> <choice vec>"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let num_attrs = try!(args[2].parse()
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let est_num_pages = try!(args[3].parse()
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let choice_vec = try!(ChoiceVec::parse(&args[4], num_attrs)
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/create.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     try!(
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(Err("Usage: insert <relation> [data file]"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut relation = try!(Relation::open(&relation_name, Writing)
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let f = try!(File::open(&args[2]));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let tuple = try!(Tuple::parse(&line, relation.num_attrs)
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/insert.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         try!(relation.insert(tuple).map_err(|e| {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/insert.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let input: Box<BufRead> = if args.len() == 3 {
[INFO] [stdout]    |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/stats.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(Err("Usage: stats <relation name>"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/stats.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let r = try!(Relation::open(relation_name, Reading)
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         try!(Err("Usage: select <relation name> <query>"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let relation = try!(Relation::open(relation_name, Reading));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let query = try!(Query::parse(query_string, relation.num_attrs)
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/bin/select.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let tuple = try!(item);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `repeat` is imported redundantly
[INFO] [stdout]   --> tests/lib.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::iter::repeat;
[INFO] [stdout]    |     ----------------- the item `repeat` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 99 |     use std::iter::repeat;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             try!(Err(format!("relation already exists: {}", name)))
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             try!(Err("number of attributes can't be zero"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:92:24
[INFO] [stdout]    |
[INFO] [stdout] 92 |             info_file: try!(File::create(info_file_name(name))),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 |             data_file: try!(File::create(data_file_name(name))),
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:94:26
[INFO] [stdout]    |
[INFO] [stdout] 94 |             ovflow_file: try!(File::create(ovflow_file_name(name)))
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/relation.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let page = try!(Page::new(&r.data_file));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             try!(page.close());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let info_file = try!(open_opts.open(info_file_name(name)));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:112:25
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let num_attrs = try!(read_u32(&info_file));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let depth = try!(read_u8(&info_file));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let split_pointer = try!(read_u32(&info_file));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let num_pages = try!(read_u64(&info_file));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:116:26
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let num_tuples = try!(read_u64(&info_file));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:117:26
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let choice_vec = try!(ChoiceVec::read(&info_file));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:129:24
[INFO] [stdout]     |
[INFO] [stdout] 129 |             data_file: try!(open_opts.open(data_file_name(name))),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:130:26
[INFO] [stdout]     |
[INFO] [stdout] 130 |             ovflow_file: try!(open_opts.open(ovflow_file_name(name)))
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |             try!(self.grow());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:176:24
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut page = try!(Page::read(&self.data_file, page_id));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |             try!(page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |             try!(page.add_to_overflow(&self.ovflow_file, &serialised_tuple));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             try!(Relation::load_next_page(next_page_id, ovflow_file, tuple_cache, tuples_seen, spare_pages));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:228:35
[INFO] [stdout]     |
[INFO] [stdout] 228 |             let new_ovflow_page = try!(get_next_page_id(ovflow_file));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         try!(storage_page.write());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |             try!(storage_page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let next_page = try!(Page::read(ovflow_file, *next_page_id));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:285:29
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut high_page = try!(Page::new(&self.data_file));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:290:28
[INFO] [stdout]     |
[INFO] [stdout] 290 |         let old_low_page = try!(Page::read(&self.data_file, sp));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 try!(Relation::store_tuple_grow(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 try!(Relation::load_next_page(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(low_page.close());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |         try!(high_page.close());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |             try!(leftover_page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 373 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |         try!(write_u32(f, self.num_attrs));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         try!(write_u8(f, self.depth));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:376:9
[INFO] [stdout]     |
[INFO] [stdout] 376 |         try!(write_u32(f, self.split_pointer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |         try!(write_u64(f, self.num_pages));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         try!(write_u64(f, self.num_tuples));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:379:9
[INFO] [stdout]     |
[INFO] [stdout] 379 |         try!(self.choice_vec.write(f));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:400:9
[INFO] [stdout]     |
[INFO] [stdout] 400 |         try!(fs::remove_file(info_file_name(&self.name)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         try!(fs::remove_file(data_file_name(&self.name)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/relation.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         try!(fs::remove_file(ovflow_file_name(&self.name)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let id = try!(get_next_page_id(file));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(seek_to_start(f, page_id));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         try!(f.read_exact(&mut buffer[..]));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let free = try!(read_u32(&mut cursor));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let ovflow = try!(read_u32(&mut cursor));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:78:26
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let num_tuples = try!(read_u32(&mut cursor));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let bytes_read = try!(cursor.read(page.data.as_mut()));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/page.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         try!(seek_to_start(&self.file, self.id));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         try!(write_u32(&mut buf, self.free));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(write_u32(&mut buf, self.ovflow));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(write_u32(&mut buf, self.num_tuples));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         try!(buf.write_all(self.data.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(self.file.write_all(buf.as_ref()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         try!(self.file.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             try!(self.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:173:35
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let mut ovflow_page = try!(Page::new(ovflow_file));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             try!(self.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             try!(ovflow_page.write());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:182:31
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut ovflow_page = try!(Page::read(ovflow_file, self.ovflow));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/page.rs:230:23
[INFO] [stdout]     |
[INFO] [stdout] 230 |     let file_length = try!(file.metadata().map(|m| m.len()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:67:26
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let l: u32 = try!(split[0].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let r: u8 = try!(split[1].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             try!(write_u32(f, attr));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             try!(f.write_u8(val));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:88:24
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let attr = try!(read_u32(f));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/choice_vec.rs:89:23
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let val = try!(f.read_u8());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/util.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type BoxError = Box<Error + Send + Sync>;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/partial_hash.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         (1 << (self.highest_usable_bit))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]  --> src/util.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::hash::{Hash, SipHasher, Hasher};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut s = SipHasher::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/relation.rs:60:47
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 error!("Reason: {}, {}", e, e.description());
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]   --> src/util.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut s = SipHasher::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/relation.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Seek, SeekFrom, Write};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/page.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |             let mut dest = &mut self.data[self.free as usize .. new_free as usize];
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 76 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "120048ae9c4a08835855c871c04cacf40f6e58152dc60874ef78441d4ab8cbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120048ae9c4a08835855c871c04cacf40f6e58152dc60874ef78441d4ab8cbb9", kill_on_drop: false }`
[INFO] [stdout] 120048ae9c4a08835855c871c04cacf40f6e58152dc60874ef78441d4ab8cbb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d7cee3d7e42d68fd267d160aa3c2ec390a50ea54077edf57a912fccd677c106
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d7cee3d7e42d68fd267d160aa3c2ec390a50ea54077edf57a912fccd677c106", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             try!(Err(format!("relation already exists: {}", name)))
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |             try!(Err("number of attributes can't be zero"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:92:24
[INFO] [stderr]    |
[INFO] [stderr] 92 |             info_file: try!(File::create(info_file_name(name))),
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |             data_file: try!(File::create(data_file_name(name))),
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:94:26
[INFO] [stderr]    |
[INFO] [stderr] 94 |             ovflow_file: try!(File::create(ovflow_file_name(name)))
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:99:24
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let page = try!(Page::new(&r.data_file));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             try!(page.close());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:111:25
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let info_file = try!(open_opts.open(info_file_name(name)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let num_attrs = try!(read_u32(&info_file));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let depth = try!(read_u8(&info_file));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:114:29
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let split_pointer = try!(read_u32(&info_file));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:115:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let num_pages = try!(read_u64(&info_file));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             try!(Err(format!("relation already exists: {}", name)))
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:116:26
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let num_tuples = try!(read_u64(&info_file));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:117:26
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let choice_vec = try!(ChoiceVec::read(&info_file));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |             try!(Err("number of attributes can't be zero"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:129:24
[INFO] [stderr]     |
[INFO] [stderr] 129 |             data_file: try!(open_opts.open(data_file_name(name))),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:92:24
[INFO] [stderr]    |
[INFO] [stderr] 92 |             info_file: try!(File::create(info_file_name(name))),
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:130:26
[INFO] [stderr]     |
[INFO] [stderr] 130 |             ovflow_file: try!(open_opts.open(ovflow_file_name(name)))
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |             data_file: try!(File::create(data_file_name(name))),
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             try!(self.grow());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:176:24
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut page = try!(Page::read(&self.data_file, page_id));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:94:26
[INFO] [stderr]    |
[INFO] [stderr] 94 |             ovflow_file: try!(File::create(ovflow_file_name(name)))
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             try!(page.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/relation.rs:99:24
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let page = try!(Page::new(&r.data_file));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |             try!(page.add_to_overflow(&self.ovflow_file, &serialised_tuple));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             try!(page.close());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |             try!(Relation::load_next_page(next_page_id, ovflow_file, tuple_cache, tuples_seen, spare_pages));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:228:35
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let new_ovflow_page = try!(get_next_page_id(ovflow_file));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:111:25
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let info_file = try!(open_opts.open(info_file_name(name)));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |         try!(storage_page.write());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:112:25
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let num_attrs = try!(read_u32(&info_file));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |             try!(storage_page.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |         let depth = try!(read_u8(&info_file));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:265:25
[INFO] [stderr]     |
[INFO] [stderr] 265 |         let next_page = try!(Page::read(ovflow_file, *next_page_id));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:114:29
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let split_pointer = try!(read_u32(&info_file));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:285:29
[INFO] [stderr]     |
[INFO] [stderr] 285 |         let mut high_page = try!(Page::new(&self.data_file));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:115:25
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let num_pages = try!(read_u64(&info_file));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:290:28
[INFO] [stderr]     |
[INFO] [stderr] 290 |         let old_low_page = try!(Page::read(&self.data_file, sp));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:116:26
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let num_tuples = try!(read_u64(&info_file));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:327:17
[INFO] [stderr]     |
[INFO] [stderr] 327 |                 try!(Relation::store_tuple_grow(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:339:17
[INFO] [stderr]     |
[INFO] [stderr] 339 |                 try!(Relation::load_next_page(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:117:26
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let choice_vec = try!(ChoiceVec::read(&info_file));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:346:9
[INFO] [stderr]     |
[INFO] [stderr] 346 |         try!(low_page.close());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:129:24
[INFO] [stderr]     |
[INFO] [stderr] 129 |             data_file: try!(open_opts.open(data_file_name(name))),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:347:9
[INFO] [stderr]     |
[INFO] [stderr] 347 |         try!(high_page.close());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             try!(leftover_page.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:130:26
[INFO] [stderr]     |
[INFO] [stderr] 130 |             ovflow_file: try!(open_opts.open(ovflow_file_name(name)))
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:373:9
[INFO] [stderr]     |
[INFO] [stderr] 373 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             try!(self.grow());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:374:9
[INFO] [stderr]     |
[INFO] [stderr] 374 |         try!(write_u32(f, self.num_attrs));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:176:24
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut page = try!(Page::read(&self.data_file, page_id));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:375:9
[INFO] [stderr]     |
[INFO] [stderr] 375 |         try!(write_u8(f, self.depth));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |             try!(page.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:376:9
[INFO] [stderr]     |
[INFO] [stderr] 376 |         try!(write_u32(f, self.split_pointer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |             try!(page.add_to_overflow(&self.ovflow_file, &serialised_tuple));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:377:9
[INFO] [stderr]     |
[INFO] [stderr] 377 |         try!(write_u64(f, self.num_pages));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:378:9
[INFO] [stderr]     |
[INFO] [stderr] 378 |         try!(write_u64(f, self.num_tuples));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |             try!(Relation::load_next_page(next_page_id, ovflow_file, tuple_cache, tuples_seen, spare_pages));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         try!(self.choice_vec.write(f));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:228:35
[INFO] [stderr]     |
[INFO] [stderr] 228 |             let new_ovflow_page = try!(get_next_page_id(ovflow_file));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         try!(fs::remove_file(info_file_name(&self.name)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |         try!(storage_page.write());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         try!(fs::remove_file(data_file_name(&self.name)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |             try!(storage_page.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 402 |         try!(fs::remove_file(ovflow_file_name(&self.name)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:265:25
[INFO] [stderr]     |
[INFO] [stderr] 265 |         let next_page = try!(Page::read(ovflow_file, *next_page_id));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let id = try!(get_next_page_id(file));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:285:29
[INFO] [stderr]     |
[INFO] [stderr] 285 |         let mut high_page = try!(Page::new(&self.data_file));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(seek_to_start(f, page_id));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(f.read_exact(&mut buffer[..]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:290:28
[INFO] [stderr]     |
[INFO] [stderr] 290 |         let old_low_page = try!(Page::read(&self.data_file, sp));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let free = try!(read_u32(&mut cursor));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:327:17
[INFO] [stderr]     |
[INFO] [stderr] 327 |                 try!(Relation::store_tuple_grow(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let ovflow = try!(read_u32(&mut cursor));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:339:17
[INFO] [stderr]     |
[INFO] [stderr] 339 |                 try!(Relation::load_next_page(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:78:26
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let num_tuples = try!(read_u32(&mut cursor));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:346:9
[INFO] [stderr]     |
[INFO] [stderr] 346 |         try!(low_page.close());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let bytes_read = try!(cursor.read(page.data.as_mut()));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:347:9
[INFO] [stderr]     |
[INFO] [stderr] 347 |         try!(high_page.close());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         try!(seek_to_start(&self.file, self.id));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             try!(leftover_page.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         try!(write_u32(&mut buf, self.free));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:373:9
[INFO] [stderr]     |
[INFO] [stderr] 373 |         try!(f.seek(SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(write_u32(&mut buf, self.ovflow));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:374:9
[INFO] [stderr]     |
[INFO] [stderr] 374 |         try!(write_u32(f, self.num_attrs));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(write_u32(&mut buf, self.num_tuples));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:375:9
[INFO] [stderr]     |
[INFO] [stderr] 375 |         try!(write_u8(f, self.depth));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(buf.write_all(self.data.as_ref()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:376:9
[INFO] [stderr]     |
[INFO] [stderr] 376 |         try!(write_u32(f, self.split_pointer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.file.write_all(buf.as_ref()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.file.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:377:9
[INFO] [stderr]     |
[INFO] [stderr] 377 |         try!(write_u64(f, self.num_pages));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             try!(self.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:378:9
[INFO] [stderr]     |
[INFO] [stderr] 378 |         try!(write_u64(f, self.num_tuples));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:173:35
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let mut ovflow_page = try!(Page::new(ovflow_file));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         try!(self.choice_vec.write(f));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |             try!(self.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:400:9
[INFO] [stderr]     |
[INFO] [stderr] 400 |         try!(fs::remove_file(info_file_name(&self.name)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |             try!(ovflow_page.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |         try!(fs::remove_file(data_file_name(&self.name)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/relation.rs:402:9
[INFO] [stderr]     |
[INFO] [stderr] 402 |         try!(fs::remove_file(ovflow_file_name(&self.name)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let id = try!(get_next_page_id(file));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         try!(seek_to_start(f, page_id));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         try!(f.read_exact(&mut buffer[..]));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let free = try!(read_u32(&mut cursor));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let ovflow = try!(read_u32(&mut cursor));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:78:26
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let num_tuples = try!(read_u32(&mut cursor));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 |         let bytes_read = try!(cursor.read(page.data.as_mut()));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/page.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         try!(seek_to_start(&self.file, self.id));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |         try!(write_u32(&mut buf, self.free));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(write_u32(&mut buf, self.ovflow));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(write_u32(&mut buf, self.num_tuples));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(buf.write_all(self.data.as_ref()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.file.write_all(buf.as_ref()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.file.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             try!(self.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:173:35
[INFO] [stderr]     |
[INFO] [stderr] 173 |             let mut ovflow_page = try!(Page::new(ovflow_file));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |             try!(self.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |             try!(ovflow_page.write());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:182:31
[INFO] [stderr]     |
[INFO] [stderr] 182 |         let mut ovflow_page = try!(Page::read(ovflow_file, self.ovflow));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:230:23
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let file_length = try!(file.metadata().map(|m| m.len()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:67:26
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let l: u32 = try!(split[0].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let r: u8 = try!(split[1].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             try!(write_u32(f, attr));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             try!(f.write_u8(val));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let attr = try!(read_u32(f));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:89:23
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let val = try!(f.read_u8());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type BoxError = Box<Error + Send + Sync>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/partial_hash.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         (1 << (self.highest_usable_bit))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]  --> src/util.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::hash::{Hash, SipHasher, Hasher};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]   --> src/util.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut s = SipHasher::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/relation.rs:60:47
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 error!("Reason: {}, {}", e, e.description());
[INFO] [stderr]    |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]   --> src/util.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut s = SipHasher::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/relation.rs:3:37
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Seek, SeekFrom, Write};
[INFO] [stderr]   |                                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/page.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |             let mut dest = &mut self.data[self.free as usize .. new_free as usize];
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 76 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `repeat` is imported redundantly
[INFO] [stderr]   --> tests/lib.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | use std::iter::repeat;
[INFO] [stderr]    |     ----------------- the item `repeat` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 99 |     use std::iter::repeat;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/select.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(Err("Usage: select <relation name> <query>"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/select.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let relation = try!(Relation::open(relation_name, Reading));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/select.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let query = try!(Query::parse(query_string, relation.num_attrs)
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/select.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let tuple = try!(item);
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:182:31
[INFO] [stderr]     |
[INFO] [stderr] 182 |         let mut ovflow_page = try!(Page::read(ovflow_file, self.ovflow));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/page.rs:230:23
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let file_length = try!(file.metadata().map(|m| m.len()));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:67:26
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let l: u32 = try!(split[0].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let r: u8 = try!(split[1].parse().or_else(|_| Err(ParseError::NumberUnparsable)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             try!(write_u32(f, attr));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try!(Err("Usage: insert <relation> [data file]"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             try!(f.write_u8(val));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:88:24
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let attr = try!(read_u32(f));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut relation = try!(Relation::open(&relation_name, Writing)
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/choice_vec.rs:89:23
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let val = try!(f.read_u8());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/stats.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(Err("Usage: stats <relation name>"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let f = try!(File::open(&args[2]));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/stats.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let r = try!(Relation::open(relation_name, Reading)
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type BoxError = Box<Error + Send + Sync>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let tuple = try!(Tuple::parse(&line, relation.num_attrs)
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         try!(relation.insert(tuple).map_err(|e| {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/stats.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(Err("Usage: stats <relation name>"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/partial_hash.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |         (1 << (self.highest_usable_bit))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/stats.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let r = try!(Relation::open(relation_name, Reading)
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/insert.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let input: Box<BufRead> = if args.len() == 3 {
[INFO] [stderr]    |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]  --> src/util.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::hash::{Hash, SipHasher, Hasher};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         try!(Err("Usage: insert <relation> [data file]"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]   --> src/util.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut s = SipHasher::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:22:24
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut relation = try!(Relation::open(&relation_name, Writing)
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/relation.rs:60:47
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 error!("Reason: {}, {}", e, e.description());
[INFO] [stderr]    |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let f = try!(File::open(&args[2]));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]   --> src/util.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut s = SipHasher::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let tuple = try!(Tuple::parse(&line, relation.num_attrs)
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/relation.rs:3:37
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Seek, SeekFrom, Write};
[INFO] [stderr]   |                                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/insert.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         try!(relation.insert(tuple).map_err(|e| {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/insert.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let input: Box<BufRead> = if args.len() == 3 {
[INFO] [stderr]    |                    ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/page.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |             let mut dest = &mut self.data[self.free as usize .. new_free as usize];
[INFO] [stderr]     |                 ----^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 76 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(Err("Usage: create <name> <num attrs> <num pages> <choice vec>"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let num_attrs = try!(args[2].parse()
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let est_num_pages = try!(args[3].parse()
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let choice_vec = try!(ChoiceVec::parse(&args[4], num_attrs)
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     try!(
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(Err("Usage: create <name> <num attrs> <num pages> <choice vec>"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let num_attrs = try!(args[2].parse()
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let est_num_pages = try!(args[3].parse()
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let choice_vec = try!(ChoiceVec::parse(&args[4], num_attrs)
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/create.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     try!(
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/select.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         try!(Err("Usage: select <relation name> <query>"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/select.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let relation = try!(Relation::open(relation_name, Reading));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/select.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let query = try!(Query::parse(query_string, relation.num_attrs)
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bin/select.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let tuple = try!(item);
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/malh-f10b130ff7ee5e9a
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test partial_hash::tests::hash_matching_zero ... ok
[INFO] [stdout] test choice_vec::tests::parse_three ... ok
[INFO] [stdout] test partial_hash::tests::iter_3_pages ... ok
[INFO] [stdout] test partial_hash::tests::iter_yields_correct_values_for_5_pages ... ok
[INFO] [stdout] test choice_vec::tests::parse_1_n_2s ... ok
[INFO] [stdout] test partial_hash::tests::hash_mask_correctness ... ok
[INFO] [stdout] test choice_vec::tests::parse_too_long ... ok
[INFO] [stdout] test choice_vec::tests::parse_attr_too_high ... ok
[INFO] [stdout] test partial_hash::tests::query_hash_same_as_tuple_hash ... ok
[INFO] [stdout] test tuple::test::parse ... ok
[INFO] [stdout] test tuple::test::serialise_parse_bytes ... ok
[INFO] [stdout] test util::test::round_pages ... ok
[INFO] [stdout] test util::test::test_bit ... ok
[INFO] [stdout] test util::test::test_hsb ... ok
[INFO] [stdout] test util::test::test_lower_bits ... ok
[INFO] [stdout] test query::tests::parse_with_wrong_arg_number ... ok
[INFO] [stdout] test query::tests::matching ... ok
[INFO] [stdout] test partial_hash::tests::iter_yields_correct_values_for_8_pages ... ok
[INFO] [stdout] test query::tests::parse_correctly_identify_unknowns ... ok
[INFO] [stdout] test partial_hash::tests::iter_yields_correct_values_for_8_pages_with_unknown_hub ... ok
[INFO] [stdout] test tuple::test::parse_question_marks ... ok
[INFO] [stdout] test partial_hash::tests::hash_matching_non_zero ... ok
[INFO] [stdout] test partial_hash::tests::iter_single_page ... ok
[INFO] [stdout] test partial_hash::tests::iter_with_no_ambiguities ... ok
[INFO] [stdout] test query::tests::parse_with_correct_arg_number ... ok
[INFO] [stdout] test partial_hash::tests::iter_sp_zero ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/create-d292d57a75d55ea3
[INFO] [stdout] test choice_vec::tests::parse_bit_too_high ... ok
[INFO] [stdout] test choice_vec::tests::pathological_generate ... ok
[INFO] [stdout] test partial_hash::tests::hash_when_known_isnt_0 ... ok
[INFO] [stdout] test partial_hash::tests::hash_with_unknown ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/insert-d8b49ab2c70d2570
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/select-b57f8ace02642625
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stats-545e200a247923f0
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-6086787051865fbe
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test all_queries_generation ... ok
[INFO] [stderr] error: test failed, to rerun pass '--test lib'
[INFO] [stdout] test insert_largest_tuple ... FAILED
[INFO] [stdout] test select_single ... FAILED
[INFO] [stdout] test select_empty ... FAILED
[INFO] [stdout] test insert_oversize_tuple ... FAILED
[INFO] [stdout] test random_insert_select ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- insert_largest_tuple stdout ----
[INFO] [stdout] thread 'insert_largest_tuple' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', tests/lib.rs:24:71
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d172fc2115 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55d172fc2115 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d172fc2115 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55d172fc2115 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55d172fe9f1c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55d172f30db5 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55d172fbc661 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55d172fc4870 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55d172fc4870 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55d172fc4870 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55d172fc456a - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55d172fc4eb3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55d172fc4aab - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55d172fe88b1 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   14:     0x55d172fe86d3 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stdout]                                at src/libcore/option.rs:1269
[INFO] [stdout]   15:     0x55d172f262e3 - core::result::Result<T,E>::unwrap::hd29506fcf9b3bd47
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x55d172f22192 - lib::TestRelation::new::h52c0bdc4f47088e3
[INFO] [stdout]                                at tests/lib.rs:24
[INFO] [stdout]   17:     0x55d172f243a6 - lib::insert_largest_tuple::hcb222bd070e0752a
[INFO] [stdout]                                at tests/lib.rs:44
[INFO] [stdout]   18:     0x55d172f2436a - lib::insert_largest_tuple::{{closure}}::h4fbff14f3f732e81
[INFO] [stdout]                                at tests/lib.rs:43
[INFO] [stdout]   19:     0x55d172f2709e - core::ops::function::FnOnce::call_once::ha97f29d4ecee88f8
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   20:     0x55d172f5832c - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   21:     0x55d172f5832c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   22:     0x55d172f5832c - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   23:     0x55d172f5832c - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   24:     0x55d172f5832c - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   25:     0x55d172f5832c - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   26:     0x55d172f5832c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   27:     0x55d172f302a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   28:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   29:     0x55d172f35295 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   30:     0x55d172f35295 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   31:     0x55d172f35295 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   32:     0x55d172f35295 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   33:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   34:     0x55d172f35295 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   35:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   36:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   37:     0x55d172fcb1ea - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   38:     0x7f4b966e9609 - start_thread
[INFO] [stdout]   39:     0x7f4b965f5103 - __clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- select_single stdout ----
[INFO] [stdout] thread 'select_single' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', tests/lib.rs:24:71
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d172fc2115 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55d172fc2115 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d172fc2115 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55d172fc2115 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55d172fe9f1c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55d172f30db5 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55d172fbc661 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55d172fc4870 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55d172fc4870 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55d172fc4870 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55d172fc456a - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55d172fc4eb3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55d172fc4aab - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55d172fe88b1 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   14:     0x55d172fe86d3 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stdout]                                at src/libcore/option.rs:1269
[INFO] [stdout]   15:     0x55d172f262e3 - core::result::Result<T,E>::unwrap::hd29506fcf9b3bd47
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x55d172f22192 - lib::TestRelation::new::h52c0bdc4f47088e3
[INFO] [stdout]                                at tests/lib.rs:24
[INFO] [stdout]   17:     0x55d172f222e4 - lib::select_single_::h7af1786912a3ac8c
[INFO] [stdout]                                at tests/lib.rs:59
[INFO] [stdout]   18:     0x55d172f24925 - lib::select_single::he36ecf083cebb453
[INFO] [stdout]                                at tests/lib.rs:91
[INFO] [stdout]   19:     0x55d172f2489a - lib::select_single::{{closure}}::hc1dc016f3e7a55c6
[INFO] [stdout]                                at tests/lib.rs:88
[INFO] [stdout]   20:     0x55d172f2706e - core::ops::function::FnOnce::call_once::h8e2f438a2486059f
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   21:     0x55d172f5832c - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   22:     0x55d172f5832c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   23:     0x55d172f5832c - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   24:     0x55d172f5832c - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   25:     0x55d172f5832c - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   26:     0x55d172f5832c - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   27:     0x55d172f5832c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   28:     0x55d172f302a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   29:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   30:     0x55d172f35295 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   31:     0x55d172f35295 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   32:     0x55d172f35295 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   33:     0x55d172f35295 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   34:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   35:     0x55d172f35295 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   36:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   37:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   38:     0x55d172fcb1ea - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f4b966e9609 - start_thread
[INFO] [stdout]   40:     0x7f4b965f5103 - __clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- select_empty stdout ----
[INFO] [stdout] thread 'select_empty' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', tests/lib.rs:24:71
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d172fc2115 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55d172fc2115 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d172fc2115 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55d172fc2115 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55d172fe9f1c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55d172f30db5 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55d172fbc661 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55d172fc4870 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55d172fc4870 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55d172fc4870 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55d172fc456a - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55d172fc4eb3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55d172fc4aab - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55d172fe88b1 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   14:     0x55d172fe86d3 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stdout]                                at src/libcore/option.rs:1269
[INFO] [stdout]   15:     0x55d172f262e3 - core::result::Result<T,E>::unwrap::hd29506fcf9b3bd47
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x55d172f22192 - lib::TestRelation::new::h52c0bdc4f47088e3
[INFO] [stdout]                                at tests/lib.rs:24
[INFO] [stdout]   17:     0x55d172f245b6 - lib::select_empty::hd9c652c9dd8f3833
[INFO] [stdout]                                at tests/lib.rs:52
[INFO] [stdout]   18:     0x55d172f2457a - lib::select_empty::{{closure}}::he3dfed62b58672f0
[INFO] [stdout]                                at tests/lib.rs:51
[INFO] [stdout]   19:     0x55d172f270ce - core::ops::function::FnOnce::call_once::hed266c4b2babad9f
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   20:     0x55d172f5832c - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   21:     0x55d172f5832c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   22:     0x55d172f5832c - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   23:     0x55d172f5832c - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   24:     0x55d172f5832c - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   25:     0x55d172f5832c - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   26:     0x55d172f5832c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   27:     0x55d172f302a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   28:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   29:     0x55d172f35295 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   30:     0x55d172f35295 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   31:     0x55d172f35295 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   32:     0x55d172f35295 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   33:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   34:     0x55d172f35295 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   35:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   36:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   37:     0x55d172fcb1ea - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   38:     0x7f4b966e9609 - start_thread
[INFO] [stdout]   39:     0x7f4b965f5103 - __clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- insert_oversize_tuple stdout ----
[INFO] [stdout] thread 'insert_oversize_tuple' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', tests/lib.rs:24:71
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d172fc2115 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55d172fc2115 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d172fc2115 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55d172fc2115 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55d172fe9f1c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55d172f30db5 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55d172fbc661 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55d172fc4870 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55d172fc4870 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55d172fc4870 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55d172fc456a - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55d172fc4eb3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55d172fc4aab - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55d172fe88b1 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   14:     0x55d172fe86d3 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stdout]                                at src/libcore/option.rs:1269
[INFO] [stdout]   15:     0x55d172f262e3 - core::result::Result<T,E>::unwrap::hd29506fcf9b3bd47
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x55d172f22192 - lib::TestRelation::new::h52c0bdc4f47088e3
[INFO] [stdout]                                at tests/lib.rs:24
[INFO] [stdout]   17:     0x55d172f24176 - lib::insert_oversize_tuple::h80289f35633a3d17
[INFO] [stdout]                                at tests/lib.rs:36
[INFO] [stdout]   18:     0x55d172f2413a - lib::insert_oversize_tuple::{{closure}}::h7629b0d7a4946f7d
[INFO] [stdout]                                at tests/lib.rs:35
[INFO] [stdout]   19:     0x55d172f2703e - core::ops::function::FnOnce::call_once::h74fb04113d8d0230
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   20:     0x55d172f5832c - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   21:     0x55d172f5832c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   22:     0x55d172f5832c - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   23:     0x55d172f5832c - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   24:     0x55d172f5832c - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   25:     0x55d172f5832c - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   26:     0x55d172f5832c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   27:     0x55d172f302a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   28:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   29:     0x55d172f35295 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   30:     0x55d172f35295 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   31:     0x55d172f35295 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   32:     0x55d172f35295 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   33:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   34:     0x55d172f35295 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   35:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   36:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   37:     0x55d172fcb1ea - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   38:     0x7f4b966e9609 - start_thread
[INFO] [stdout]   39:     0x7f4b965f5103 - __clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- random_insert_select stdout ----
[INFO] [stdout] thread 'random_insert_select' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', tests/lib.rs:24:71
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d172fc2115 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55d172fc2115 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d172fc2115 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55d172fc2115 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55d172fe9f1c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55d172f30db5 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x55d172fbc661 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55d172fc4870 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55d172fc4870 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55d172fc4870 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55d172fc456a - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55d172fc4eb3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55d172fc4aab - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55d172fe88b1 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   14:     0x55d172fe86d3 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stdout]                                at src/libcore/option.rs:1269
[INFO] [stdout]   15:     0x55d172f262e3 - core::result::Result<T,E>::unwrap::hd29506fcf9b3bd47
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x55d172f22192 - lib::TestRelation::new::h52c0bdc4f47088e3
[INFO] [stdout]                                at tests/lib.rs:24
[INFO] [stdout]   17:     0x55d172f23734 - lib::insert_select::h6045bb3668b3a034
[INFO] [stdout]                                at tests/lib.rs:152
[INFO] [stdout]   18:     0x55d172f24c20 - lib::random_insert_select::h2d6c082a36686e2a
[INFO] [stdout]                                at tests/lib.rs:177
[INFO] [stdout]   19:     0x55d172f24bfa - lib::random_insert_select::{{closure}}::h3fc754efa1d11ad6
[INFO] [stdout]                                at tests/lib.rs:176
[INFO] [stdout]   20:     0x55d172f2700e - core::ops::function::FnOnce::call_once::h1d6ed6d4a8cce74a
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   21:     0x55d172f5832c - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   22:     0x55d172f5832c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   23:     0x55d172f5832c - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   24:     0x55d172f5832c - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   25:     0x55d172f5832c - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   26:     0x55d172f5832c - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   27:     0x55d172f5832c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   28:     0x55d172f302a6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   29:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stdout]   30:     0x55d172f35295 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stdout]   31:     0x55d172f35295 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stdout]   32:     0x55d172f35295 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stdout]   33:     0x55d172f35295 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stdout]   34:     0x55d172f35295 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stdout]   35:     0x55d172f35295 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stdout]   36:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   37:     0x55d172fcb1ea - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stdout]   38:     0x55d172fcb1ea - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f4b966e9609 - start_thread
[INFO] [stdout]   40:     0x7f4b965f5103 - __clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     insert_largest_tuple
[INFO] [stdout]     insert_oversize_tuple
[INFO] [stdout]     random_insert_select
[INFO] [stdout]     select_empty
[INFO] [stdout]     select_single
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d7cee3d7e42d68fd267d160aa3c2ec390a50ea54077edf57a912fccd677c106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7cee3d7e42d68fd267d160aa3c2ec390a50ea54077edf57a912fccd677c106", kill_on_drop: false }`
[INFO] [stdout] 7d7cee3d7e42d68fd267d160aa3c2ec390a50ea54077edf57a912fccd677c106