[INFO] fetching crate cdb 0.6.0...
[INFO] testing cdb-0.6.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cdb 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cdb 0.6.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cdb 0.6.0
[INFO] finished tweaking crates.io crate cdb 0.6.0
[INFO] tweaked toml for crates.io crate cdb 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0cc49c080b821003583c3e7911c619aa20b2484a3af0bc169cfedb37ac6b7d8
[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" "e0cc49c080b821003583c3e7911c619aa20b2484a3af0bc169cfedb37ac6b7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0cc49c080b821003583c3e7911c619aa20b2484a3af0bc169cfedb37ac6b7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cc49c080b821003583c3e7911c619aa20b2484a3af0bc169cfedb37ac6b7d8", kill_on_drop: false }`
[INFO] [stdout] e0cc49c080b821003583c3e7911c619aa20b2484a3af0bc169cfedb37ac6b7d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 325fcc1a0485a85da1f7d69e1e7bed22d31a0d0577381e31c5b78a045338a827
[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" "325fcc1a0485a85da1f7d69e1e7bed22d31a0d0577381e31c5b78a045338a827", kill_on_drop: false }`
[INFO] [stderr]    Compiling filebuffer v0.4.0
[INFO] [stderr]    Compiling cdb v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             try!(self.read(&mut buf[..n], pos));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/reader.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(self.cdb.read(&mut result[..], self.dpos));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(w.seek(io::SeekFrom::Start(0)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(w.write(&buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         try!(self.pos_plus(8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         try!(self.pos_plus(keylen));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         try!(self.pos_plus(datalen));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(self.file.write(&buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.add_begin(key.len() as u32, data.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         try!(self.file.write(key));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(self.file.write(data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 try!(self.file.write(&buf));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 try!(self.pos_plus(8));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         try!(self.file.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.file.seek(io::SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         try!(self.file.write(&header));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(self.file.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:199:20
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let file = try!(fs::File::create(&tmpname));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let cdb = try!(CDBMake::new(file));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         try!(self.cdb.take().unwrap().finish());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(fs::rename(&self.tmpname, &self.dstname));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "325fcc1a0485a85da1f7d69e1e7bed22d31a0d0577381e31c5b78a045338a827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325fcc1a0485a85da1f7d69e1e7bed22d31a0d0577381e31c5b78a045338a827", kill_on_drop: false }`
[INFO] [stdout] 325fcc1a0485a85da1f7d69e1e7bed22d31a0d0577381e31c5b78a045338a827
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1594ce1384ba95efba99c66f1226eeb6c7b1993d22cd3bc06511f7a2225b46bd
[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" "1594ce1384ba95efba99c66f1226eeb6c7b1993d22cd3bc06511f7a2225b46bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             try!(self.read(&mut buf[..n], pos));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/reader.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(self.cdb.read(&mut result[..], self.dpos));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(w.seek(io::SeekFrom::Start(0)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(w.write(&buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         try!(self.pos_plus(8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         try!(self.pos_plus(keylen));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         try!(self.pos_plus(datalen));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(self.file.write(&buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.add_begin(key.len() as u32, data.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         try!(self.file.write(key));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(self.file.write(data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 try!(self.file.write(&buf));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 try!(self.pos_plus(8));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         try!(self.file.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.file.seek(io::SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         try!(self.file.write(&header));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(self.file.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:199:20
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let file = try!(fs::File::create(&tmpname));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let cdb = try!(CDBMake::new(file));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         try!(self.cdb.take().unwrap().finish());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(fs::rename(&self.tmpname, &self.dstname));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling cdb v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/reader.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             try!(self.read(&mut buf[..n], pos));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/reader.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(self.cdb.read(&mut result[..], self.dpos));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         try!(w.seek(io::SeekFrom::Start(0)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         try!(w.write(&buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         try!(self.pos_plus(8));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         try!(self.pos_plus(keylen));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         try!(self.pos_plus(datalen));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(self.file.write(&buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.add_begin(key.len() as u32, data.len() as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         try!(self.file.write(key));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/writer.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         try!(self.file.write(data));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 try!(self.file.write(&buf));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 try!(self.pos_plus(8));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         try!(self.file.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(self.file.seek(io::SeekFrom::Start(0)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |         try!(self.file.write(&header));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(self.file.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:199:20
[INFO] [stdout]     |
[INFO] [stdout] 199 |         let file = try!(fs::File::create(&tmpname));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:200:19
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let cdb = try!(CDBMake::new(file));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         try!(self.cdb.take().unwrap().finish());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/writer.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         try!(fs::rename(&self.tmpname, &self.dstname));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.50s
[INFO] running `Command { std: "docker" "inspect" "1594ce1384ba95efba99c66f1226eeb6c7b1993d22cd3bc06511f7a2225b46bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1594ce1384ba95efba99c66f1226eeb6c7b1993d22cd3bc06511f7a2225b46bd", kill_on_drop: false }`
[INFO] [stdout] 1594ce1384ba95efba99c66f1226eeb6c7b1993d22cd3bc06511f7a2225b46bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] c160afb17c1cee3d9cc8a6bd0efe983fa4f59af6a2c528044e85f30efa599559
[INFO] running `Command { std: "docker" "start" "-a" "c160afb17c1cee3d9cc8a6bd0efe983fa4f59af6a2c528044e85f30efa599559", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             try!(self.read(&mut buf[..n], pos));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         try!(self.cdb.read(&mut result[..], self.dpos));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(w.seek(io::SeekFrom::Start(0)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(w.write(&buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         try!(self.pos_plus(8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         try!(self.pos_plus(keylen));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         try!(self.pos_plus(datalen));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         try!(self.file.write(&buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(self.add_begin(key.len() as u32, data.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.file.write(key));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(self.file.write(data));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 try!(self.file.write(&buf));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 try!(self.pos_plus(8));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         try!(self.file.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.file.seek(io::SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         try!(self.file.write(&header));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(self.file.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let file = try!(fs::File::create(&tmpname));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:200:19
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let cdb = try!(CDBMake::new(file));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(self.cdb.take().unwrap().finish());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         try!(fs::rename(&self.tmpname, &self.dstname));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/reader.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             try!(self.read(&mut buf[..n], pos));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/reader.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |         try!(self.cdb.read(&mut result[..], self.dpos));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         try!(w.seek(io::SeekFrom::Start(0)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(w.write(&buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         try!(self.pos_plus(8));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         try!(self.pos_plus(keylen));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         try!(self.pos_plus(datalen));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         try!(self.file.write(&buf));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(self.add_begin(key.len() as u32, data.len() as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.file.write(key));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/writer.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(self.file.write(data));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 try!(self.file.write(&buf));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:138:17
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 try!(self.pos_plus(8));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         try!(self.file.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.file.seek(io::SeekFrom::Start(0)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         try!(self.file.write(&header));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(self.file.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |         let file = try!(fs::File::create(&tmpname));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:200:19
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let cdb = try!(CDBMake::new(file));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(self.cdb.take().unwrap().finish());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/writer.rs:225:9
[INFO] [stderr]     |
[INFO] [stderr] 225 |         try!(fs::rename(&self.tmpname, &self.dstname));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cdb-1e30e79d1c63dfae
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/make-e6c2ed6542b102fb
[INFO] [stdout] test hash::samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--test make'
[INFO] [stdout] test test_make ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_make stdout ----
[INFO] [stdout] thread 'test_make' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', tests/make.rs:16:52
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c7e45d3c60 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stdout]    1:     0x55c7e45d3c60 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c7e45d3c60 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55c7e45d3c60 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he009dcaaa75eed60
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55c7e45f719c - core::fmt::write::h77b4746b0dea1dd3
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x55c7e456a0f6 - std::io::Write::write_fmt::h3a40d9c04f88bb58
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15
[INFO] [stdout]    6:     0x55c7e45cdf5d - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h1b3d263673641f53
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/impls.rs:179:9
[INFO] [stdout]    7:     0x55c7e45d6335 - std::sys_common::backtrace::_print::h2d880c9e69a21be9
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    8:     0x55c7e45d6335 - std::sys_common::backtrace::print::h5f02b1bb49f36879
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    9:     0x55c7e45d6335 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50
[INFO] [stdout]   10:     0x55c7e45d5f82 - std::panicking::default_hook::hb52d73f0da9a4bb8
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:224:9
[INFO] [stdout]   11:     0x55c7e45d6ad1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17
[INFO] [stdout]   12:     0x55c7e45d6617 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13
[INFO] [stdout]   13:     0x55c7e45d411c - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   14:     0x55c7e45d6579 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5
[INFO] [stdout]   15:     0x55c7e45f5b01 - core::panicking::panic_fmt::ha0bb065d9a260792
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14
[INFO] [stdout]   16:     0x55c7e45f5923 - core::option::expect_none_failed::h7e1dd0a94971eb61
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/option.rs:1268:5
[INFO] [stdout]   17:     0x55c7e4565f77 - core::result::Result<T,E>::unwrap::hf134b7ff33e34ef8
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/result.rs:973:23
[INFO] [stdout]   18:     0x55c7e4563204 - make::test_make::h1d57834378305ace
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/make.rs:16:19
[INFO] [stdout]   19:     0x55c7e456318a - make::test_make::{{closure}}::h11ed3adf9cb67ebb
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/make.rs:13:1
[INFO] [stdout]   20:     0x55c7e456682e - core::ops::function::FnOnce::call_once::h83824e980f94bdae
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55c7e4591c43 - core::ops::function::FnOnce::call_once::hdbd2235b6243db3d
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x55c7e4591c43 - test::__rust_begin_short_backtrace::hb1dea1c208110812
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/test/src/lib.rs:517:5
[INFO] [stdout]   23:     0x55c7e45900ea - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d11a40efef721f2
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/boxed.rs:1307:9
[INFO] [stdout]   24:     0x55c7e45900ea - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h23961df98af0bc5a
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:322:9
[INFO] [stdout]   25:     0x55c7e45900ea - std::panicking::try::do_call::h6390646e3de3fb9e
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40
[INFO] [stdout]   26:     0x55c7e45900ea - std::panicking::try::hc531439ab6159192
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19
[INFO] [stdout]   27:     0x55c7e45900ea - std::panic::catch_unwind::h859d8bdaf9b4855c
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14
[INFO] [stdout]   28:     0x55c7e45900ea - test::run_test_in_process::hae60aa74417e3abc
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/test/src/lib.rs:544:18
[INFO] [stdout]   29:     0x55c7e45900ea - test::run_test::run_test_inner::{{closure}}::hf48c86652c4a151d
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/test/src/lib.rs:450:39
[INFO] [stdout]   30:     0x55c7e4569476 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb82b392232b8bd1f
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55c7e456e473 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h79ca9e9abe157956
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/thread/mod.rs:474:17
[INFO] [stdout]   32:     0x55c7e456e473 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha12f1f228780a4f7
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:322:9
[INFO] [stdout]   33:     0x55c7e456e473 - std::panicking::try::do_call::h722bb7416d021cdc
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40
[INFO] [stdout]   34:     0x55c7e456e473 - std::panicking::try::h78e5abca71ac7cac
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19
[INFO] [stdout]   35:     0x55c7e456e473 - std::panic::catch_unwind::h95162588bd0fa090
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14
[INFO] [stdout]   36:     0x55c7e456e473 - std::thread::Builder::spawn_unchecked::{{closure}}::h64da5c4b9acc58dc
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/thread/mod.rs:473:30
[INFO] [stdout]   37:     0x55c7e456e473 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7a8c588ad0b69edb
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55c7e45dd34a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h09ff301006f1aeca
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/boxed.rs:1307:9
[INFO] [stdout]   39:     0x55c7e45dd34a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he79488c8f00b5f31
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/alloc/src/boxed.rs:1307:9
[INFO] [stdout]   40:     0x55c7e45dd34a - std::sys::unix::thread::Thread::new::thread_start::h587efff279c68ba7
[INFO] [stdout]                                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7f8a82f58609 - start_thread
[INFO] [stdout]   42:     0x7f8a82d2a293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_make
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c160afb17c1cee3d9cc8a6bd0efe983fa4f59af6a2c528044e85f30efa599559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c160afb17c1cee3d9cc8a6bd0efe983fa4f59af6a2c528044e85f30efa599559", kill_on_drop: false }`
[INFO] [stdout] c160afb17c1cee3d9cc8a6bd0efe983fa4f59af6a2c528044e85f30efa599559