[INFO] updating cached repository CJTozer/rust_play
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CJTozer/rust_play
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CJTozer/rust_play" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CJTozer/rust_play"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CJTozer/rust_play'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CJTozer/rust_play" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CJTozer/rust_play"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CJTozer/rust_play'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7791eb1a592913ed726e43c1ad9a35e855d42fc
[INFO] sha for GitHub repo CJTozer/rust_play: b7791eb1a592913ed726e43c1ad9a35e855d42fc
[INFO] validating manifest of CJTozer/rust_play on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CJTozer/rust_play on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CJTozer/rust_play
[INFO] finished frobbing CJTozer/rust_play
[INFO] frobbed toml for CJTozer/rust_play written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CJTozer/rust_play/Cargo.toml
[INFO] started frobbing CJTozer/rust_play
[INFO] finished frobbing CJTozer/rust_play
[INFO] frobbed toml for CJTozer/rust_play written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CJTozer/rust_play/Cargo.toml
[INFO] crate CJTozer/rust_play has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing CJTozer/rust_play against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CJTozer/rust_play:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 2112c145266ed20606dbee33f7f5b7f6a338624247d3c4a7585c9467337bee04
[INFO] running `"docker" "start" "-a" "2112c145266ed20606dbee33f7f5b7f6a338624247d3c4a7585c9467337bee04"`
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling timer v0.1.6
[INFO] [stderr]    Compiling rusttest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `DummyWatcher`
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_DummyWatcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Failed`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Failed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DummyWatcher` should have a snake case name
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `dummy_watcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `"docker" "inspect" "2112c145266ed20606dbee33f7f5b7f6a338624247d3c4a7585c9467337bee04"`
[INFO] running `"docker" "rm" "-f" "2112c145266ed20606dbee33f7f5b7f6a338624247d3c4a7585c9467337bee04"`
[INFO] [stdout] 2112c145266ed20606dbee33f7f5b7f6a338624247d3c4a7585c9467337bee04
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CJTozer/rust_play:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 659169a31e4d91feb0883b6c06fff27ff1024ad23dc64a3526afdd80eade3340
[INFO] running `"docker" "start" "-a" "659169a31e4d91feb0883b6c06fff27ff1024ad23dc64a3526afdd80eade3340"`
[INFO] [stderr]    Compiling rusttest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `DummyWatcher`
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_DummyWatcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Failed`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Failed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DummyWatcher` should have a snake case name
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `dummy_watcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "659169a31e4d91feb0883b6c06fff27ff1024ad23dc64a3526afdd80eade3340"`
[INFO] running `"docker" "rm" "-f" "659169a31e4d91feb0883b6c06fff27ff1024ad23dc64a3526afdd80eade3340"`
[INFO] [stdout] 659169a31e4d91feb0883b6c06fff27ff1024ad23dc64a3526afdd80eade3340
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CJTozer/rust_play:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] cf9b2d1a5cade35376442cc898d89a8865fe1f2246d56c35802674bf91f0c8c5
[INFO] running `"docker" "start" "-a" "cf9b2d1a5cade35376442cc898d89a8865fe1f2246d56c35802674bf91f0c8c5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusttest-08bf641ee9c4e083
[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" "cf9b2d1a5cade35376442cc898d89a8865fe1f2246d56c35802674bf91f0c8c5"`
[INFO] running `"docker" "rm" "-f" "cf9b2d1a5cade35376442cc898d89a8865fe1f2246d56c35802674bf91f0c8c5"`
[INFO] [stdout] cf9b2d1a5cade35376442cc898d89a8865fe1f2246d56c35802674bf91f0c8c5