[INFO] crate bip_disk 0.6.0 is already in cache
[INFO] testing bip_disk-0.6.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate bip_disk 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bip_disk 0.6.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bip_disk 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bip_disk 0.6.0
[INFO] tweaked toml for crates.io crate bip_disk 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 011fb66e0b64ad18da60f0e6e517dc1a1a3ac328637516b06273b4253362f2ac
[INFO] running `"docker" "start" "-a" "011fb66e0b64ad18da60f0e6e517dc1a1a3ac328637516b06273b4253362f2ac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]    Compiling bip_util v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling error-chain v0.9.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling bip_bencode v0.3.1
[INFO] [stderr]    Compiling bip_metainfo v0.11.0
[INFO] [stderr]    Compiling bip_disk v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/cache/file_handle.rs:47:44
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let file = Arc::new(Mutex::new(try!(fs.open_file(path))));
[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/disk/fs/native.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let file = try!(create_new_file(&combine_path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             try!(fs::create_dir_all(parent_dir));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:25:30
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let bytes_read = try!(self.fs.read_file(&mut file, offset, &mut piece_buffer[begin..end]));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let bytes_written = try!(self.fs.write_file(&mut file, offset, &piece_buffer[begin..end]));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 let fs_file = try!(self.fs.open_file(file_path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(callback(fs_file, offset, begin, end));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(piece_checker.validate_files_sizes());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             try!(piece_checker.fill_checker_state());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(piece_checker.calculate_diff());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.checker_state.run_with_whole_pieces(piece_length as usize, |message| {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             try!(piece_accessor.read_piece(&mut piece_buffer[..message.block_length()], message));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             try!(self.fs.open_file(file_path.clone())
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:113:35
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let actual_size = try!(self.fs.file_size(&file));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:206:27
[INFO] [stderr]     |
[INFO] [stderr] 206 |             let is_good = try!(callback(&messages[0]));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/mod.rs:70:26
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut init_state = try!(PieceChecker::init_state(context.filesystem(), file.info()));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Ok(try!(sync_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |         Ok(try!(access_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |         Ok(try!(block_result))
[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/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.69s
[INFO] running `"docker" "inspect" "011fb66e0b64ad18da60f0e6e517dc1a1a3ac328637516b06273b4253362f2ac"`
[INFO] running `"docker" "rm" "-f" "011fb66e0b64ad18da60f0e6e517dc1a1a3ac328637516b06273b4253362f2ac"`
[INFO] [stdout] 011fb66e0b64ad18da60f0e6e517dc1a1a3ac328637516b06273b4253362f2ac
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] bbce6586fa71ed925b67d1c92fb01a51772e559b7e6af54359b6d64d3ec9c075
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bbce6586fa71ed925b67d1c92fb01a51772e559b7e6af54359b6d64d3ec9c075"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/cache/file_handle.rs:47:44
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let file = Arc::new(Mutex::new(try!(fs.open_file(path))));
[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/disk/fs/native.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let file = try!(create_new_file(&combine_path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             try!(fs::create_dir_all(parent_dir));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:25:30
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let bytes_read = try!(self.fs.read_file(&mut file, offset, &mut piece_buffer[begin..end]));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let bytes_written = try!(self.fs.write_file(&mut file, offset, &piece_buffer[begin..end]));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 let fs_file = try!(self.fs.open_file(file_path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(callback(fs_file, offset, begin, end));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(piece_checker.validate_files_sizes());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             try!(piece_checker.fill_checker_state());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(piece_checker.calculate_diff());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.checker_state.run_with_whole_pieces(piece_length as usize, |message| {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             try!(piece_accessor.read_piece(&mut piece_buffer[..message.block_length()], message));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             try!(self.fs.open_file(file_path.clone())
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:113:35
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let actual_size = try!(self.fs.file_size(&file));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:206:27
[INFO] [stderr]     |
[INFO] [stderr] 206 |             let is_good = try!(callback(&messages[0]));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/mod.rs:70:26
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut init_state = try!(PieceChecker::init_state(context.filesystem(), file.info()));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Ok(try!(sync_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |         Ok(try!(access_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |         Ok(try!(block_result))
[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/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling bip_disk v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> test/mod.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             try!(callback(PieceAccess::Compute(&mut &buffer[..])))
[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/disk/fs/cache/file_handle.rs:47:44
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let file = Arc::new(Mutex::new(try!(fs.open_file(path))));
[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/disk/fs/native.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let file = try!(create_new_file(&combine_path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             try!(fs::create_dir_all(parent_dir));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:25:30
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let bytes_read = try!(self.fs.read_file(&mut file, offset, &mut piece_buffer[begin..end]));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let bytes_written = try!(self.fs.write_file(&mut file, offset, &piece_buffer[begin..end]));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 let fs_file = try!(self.fs.open_file(file_path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(callback(fs_file, offset, begin, end));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(piece_checker.validate_files_sizes());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             try!(piece_checker.fill_checker_state());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(piece_checker.calculate_diff());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.checker_state.run_with_whole_pieces(piece_length as usize, |message| {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             try!(piece_accessor.read_piece(&mut piece_buffer[..message.block_length()], message));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             try!(self.fs.open_file(file_path.clone())
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:113:35
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let actual_size = try!(self.fs.file_size(&file));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:206:27
[INFO] [stderr]     |
[INFO] [stderr] 206 |             let is_good = try!(callback(&messages[0]));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/mod.rs:70:26
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut init_state = try!(PieceChecker::init_state(context.filesystem(), file.info()));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Ok(try!(sync_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |         Ok(try!(access_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |         Ok(try!(block_result))
[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/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.04s
[INFO] running `"docker" "inspect" "bbce6586fa71ed925b67d1c92fb01a51772e559b7e6af54359b6d64d3ec9c075"`
[INFO] running `"docker" "rm" "-f" "bbce6586fa71ed925b67d1c92fb01a51772e559b7e6af54359b6d64d3ec9c075"`
[INFO] [stdout] bbce6586fa71ed925b67d1c92fb01a51772e559b7e6af54359b6d64d3ec9c075
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 371291e009237d88f856fe444a9c3235f0ad010a83e0c337b8bb83ffb108e6dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "371291e009237d88f856fe444a9c3235f0ad010a83e0c337b8bb83ffb108e6dd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/cache/file_handle.rs:47:44
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let file = Arc::new(Mutex::new(try!(fs.open_file(path))));
[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/disk/fs/native.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let file = try!(create_new_file(&combine_path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             try!(fs::create_dir_all(parent_dir));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:25:30
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let bytes_read = try!(self.fs.read_file(&mut file, offset, &mut piece_buffer[begin..end]));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let bytes_written = try!(self.fs.write_file(&mut file, offset, &piece_buffer[begin..end]));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 let fs_file = try!(self.fs.open_file(file_path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(callback(fs_file, offset, begin, end));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(piece_checker.validate_files_sizes());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             try!(piece_checker.fill_checker_state());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(piece_checker.calculate_diff());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.checker_state.run_with_whole_pieces(piece_length as usize, |message| {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             try!(piece_accessor.read_piece(&mut piece_buffer[..message.block_length()], message));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             try!(self.fs.open_file(file_path.clone())
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:113:35
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let actual_size = try!(self.fs.file_size(&file));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:206:27
[INFO] [stderr]     |
[INFO] [stderr] 206 |             let is_good = try!(callback(&messages[0]));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/mod.rs:70:26
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut init_state = try!(PieceChecker::init_state(context.filesystem(), file.info()));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Ok(try!(sync_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |         Ok(try!(access_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |         Ok(try!(block_result))
[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/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/cache/file_handle.rs:47:44
[INFO] [stderr]    |
[INFO] [stderr] 47 |             let file = Arc::new(Mutex::new(try!(fs.open_file(path))));
[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/disk/fs/native.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let file = try!(create_new_file(&combine_path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         try!(file.file.seek(SeekFrom::Start(offset)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/fs/native.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             try!(fs::create_dir_all(parent_dir));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:25:30
[INFO] [stderr]    |
[INFO] [stderr] 25 |             let bytes_read = try!(self.fs.read_file(&mut file, offset, &mut piece_buffer[begin..end]));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let bytes_written = try!(self.fs.write_file(&mut file, offset, &piece_buffer[begin..end]));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 let fs_file = try!(self.fs.open_file(file_path));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_accessor.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(callback(fs_file, offset, begin, end));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             try!(piece_checker.validate_files_sizes());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             try!(piece_checker.fill_checker_state());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(piece_checker.calculate_diff());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         try!(self.checker_state.run_with_whole_pieces(piece_length as usize, |message| {
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/helpers/piece_checker.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             try!(piece_accessor.read_piece(&mut piece_buffer[..message.block_length()], message));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             try!(self.fs.open_file(file_path.clone())
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:113:35
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let actual_size = try!(self.fs.file_size(&file));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/helpers/piece_checker.rs:206:27
[INFO] [stderr]     |
[INFO] [stderr] 206 |             let is_good = try!(callback(&messages[0]));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/disk/tasks/mod.rs:70:26
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut init_state = try!(PieceChecker::init_state(context.filesystem(), file.info()));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Ok(try!(sync_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |         Ok(try!(access_result))
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/disk/tasks/mod.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |         Ok(try!(block_result))
[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/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> test/mod.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |             try!(callback(PieceAccess::Compute(&mut &buffer[..])))
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     types {
[INFO] [stderr] 8  | |         BlockError, BlockErrorKind, BlockResultExt, BlockResult;
[INFO] [stderr] 9  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / error_chain! {
[INFO] [stderr] 26 | |     types {
[INFO] [stderr] 27 | |         TorrentError, TorrentErrorKind, TorrentResultExt, TorrentResult;
[INFO] [stderr] 28 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     }
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bip_disk-342eae025b0de56e
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test disk::tasks::helpers::piece_checker::tests::negative_merge_duplicate_messages_diff_hash ... ok
[INFO] [stdout] test disk::tasks::helpers::piece_checker::tests::negative_merge_duplicate_messages_diff_index ... ok
[INFO] [stdout] test disk::tasks::helpers::piece_checker::tests::positive_merge_neighbor_messages ... ok
[INFO] [stdout] test disk::tasks::helpers::piece_checker::tests::positive_merge_duplicate_messages ... ok
[INFO] [stdout] test disk::tasks::helpers::piece_checker::tests::positive_merge_no_overlap_messages ... ok
[INFO] [stdout] test disk::tasks::helpers::piece_checker::tests::positive_merge_overlap_messages ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-579a8b10fb7f26ac
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test complete_torrent::positive_complete_torrent ... ok
[INFO] [stdout] test process_block::positive_process_block ... ok
[INFO] [stdout] test disk_manager_send_backpressure::positive_disk_manager_send_backpressure ... ok
[INFO] [stdout] test resume_torrent::positive_complete_torrent ... ok
[INFO] [stdout] test load_block::positive_load_block ... ok
[INFO] [stdout] test add_torrent::positive_add_torrent ... ok
[INFO] [stdout] test remove_torrent::positive_remove_torrent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bip_disk
[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] running `"docker" "inspect" "371291e009237d88f856fe444a9c3235f0ad010a83e0c337b8bb83ffb108e6dd"`
[INFO] running `"docker" "rm" "-f" "371291e009237d88f856fe444a9c3235f0ad010a83e0c337b8bb83ffb108e6dd"`
[INFO] [stdout] 371291e009237d88f856fe444a9c3235f0ad010a83e0c337b8bb83ffb108e6dd