[INFO] cloning repository Rigellute/rust-shell
[INFO] running `"git" "clone" "--bare" "git://github.com/Rigellute/rust-shell.git" "work/cache/sources/gh/Rigellute/rust-shell"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Rigellute/rust-shell'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Rigellute/rust-shell" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Rigellute/rust-shell"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Rigellute/rust-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rigellute/rust-shell" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Rigellute/rust-shell"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Rigellute/rust-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4784e8dedf84234408a400620f6ce42572c61ff0
[INFO] sha for GitHub repo Rigellute/rust-shell: 4784e8dedf84234408a400620f6ce42572c61ff0
[INFO] validating manifest of Rigellute/rust-shell on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Rigellute/rust-shell on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Rigellute/rust-shell
[INFO] finished frobbing Rigellute/rust-shell
[INFO] frobbed toml for Rigellute/rust-shell written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Rigellute/rust-shell/Cargo.toml
[INFO] started frobbing Rigellute/rust-shell
[INFO] finished frobbing Rigellute/rust-shell
[INFO] frobbed toml for Rigellute/rust-shell written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Rigellute/rust-shell/Cargo.toml
[INFO] crate Rigellute/rust-shell already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Rigellute/rust-shell against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Rigellute/rust-shell:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] eb1437e89d3d8788638a86b508d44ea231db7a79023b3a601f7613fa318bb9af
[INFO] running `"docker" "start" "-a" "eb1437e89d3d8788638a86b508d44ea231db7a79023b3a601f7613fa318bb9af"`
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         child.wait();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "eb1437e89d3d8788638a86b508d44ea231db7a79023b3a601f7613fa318bb9af"`
[INFO] running `"docker" "rm" "-f" "eb1437e89d3d8788638a86b508d44ea231db7a79023b3a601f7613fa318bb9af"`
[INFO] [stdout] eb1437e89d3d8788638a86b508d44ea231db7a79023b3a601f7613fa318bb9af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Rigellute/rust-shell:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 59481a65bcbdc9945ba78348a062cb5fc8c8cfd99862d386371e0d1d9f505e80
[INFO] running `"docker" "start" "-a" "59481a65bcbdc9945ba78348a062cb5fc8c8cfd99862d386371e0d1d9f505e80"`
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         child.wait();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "59481a65bcbdc9945ba78348a062cb5fc8c8cfd99862d386371e0d1d9f505e80"`
[INFO] running `"docker" "rm" "-f" "59481a65bcbdc9945ba78348a062cb5fc8c8cfd99862d386371e0d1d9f505e80"`
[INFO] [stdout] 59481a65bcbdc9945ba78348a062cb5fc8c8cfd99862d386371e0d1d9f505e80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Rigellute/rust-shell:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] bf2e3ba005d947b7ac2b795f4e679737367f45c8d70481859d783aedadcaf397
[INFO] running `"docker" "start" "-a" "bf2e3ba005d947b7ac2b795f4e679737367f45c8d70481859d783aedadcaf397"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shell-55e5af35b35ceca1
[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" "bf2e3ba005d947b7ac2b795f4e679737367f45c8d70481859d783aedadcaf397"`
[INFO] running `"docker" "rm" "-f" "bf2e3ba005d947b7ac2b795f4e679737367f45c8d70481859d783aedadcaf397"`
[INFO] [stdout] bf2e3ba005d947b7ac2b795f4e679737367f45c8d70481859d783aedadcaf397