[INFO] crate retro 0.1.1 is already in cache
[INFO] extracting crate retro 0.1.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/retro/0.1.1
[INFO] extracting crate retro 0.1.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/retro/0.1.1
[INFO] validating manifest of retro-0.1.1 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 retro-0.1.1 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 retro-0.1.1
[INFO] finished frobbing retro-0.1.1
[INFO] frobbed toml for retro-0.1.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/retro/0.1.1/Cargo.toml
[INFO] started frobbing retro-0.1.1
[INFO] finished frobbing retro-0.1.1
[INFO] frobbed toml for retro-0.1.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/retro/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 retro-0.1.1 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/retro/0.1.1:/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] 87798f458470118c8ca777b3e484896d8e9ec97302c8a581480af6b87c48e91b
[INFO] running `"docker" "start" "-a" "87798f458470118c8ca777b3e484896d8e9ec97302c8a581480af6b87c48e91b"`
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling retro v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:888:7
[INFO] [stderr]     |
[INFO] [stderr] 888 |       _ => unreachable!(),
[INFO] [stderr]     |       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/main.rs:1168:7
[INFO] [stderr]      |
[INFO] [stderr] 1168 |       _ => unreachable!(),
[INFO] [stderr]      |       ^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `"docker" "inspect" "87798f458470118c8ca777b3e484896d8e9ec97302c8a581480af6b87c48e91b"`
[INFO] running `"docker" "rm" "-f" "87798f458470118c8ca777b3e484896d8e9ec97302c8a581480af6b87c48e91b"`
[INFO] [stdout] 87798f458470118c8ca777b3e484896d8e9ec97302c8a581480af6b87c48e91b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/retro/0.1.1:/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] 1e644b4f8fdf704a8c25bf55bdb4b030d4fdc9c5271eb4159f7ee7b764e8556a
[INFO] running `"docker" "start" "-a" "1e644b4f8fdf704a8c25bf55bdb4b030d4fdc9c5271eb4159f7ee7b764e8556a"`
[INFO] [stderr]    Compiling retro v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:888:7
[INFO] [stderr]     |
[INFO] [stderr] 888 |       _ => unreachable!(),
[INFO] [stderr]     |       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/main.rs:1168:7
[INFO] [stderr]      |
[INFO] [stderr] 1168 |       _ => unreachable!(),
[INFO] [stderr]      |       ^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "1e644b4f8fdf704a8c25bf55bdb4b030d4fdc9c5271eb4159f7ee7b764e8556a"`
[INFO] running `"docker" "rm" "-f" "1e644b4f8fdf704a8c25bf55bdb4b030d4fdc9c5271eb4159f7ee7b764e8556a"`
[INFO] [stdout] 1e644b4f8fdf704a8c25bf55bdb4b030d4fdc9c5271eb4159f7ee7b764e8556a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/retro/0.1.1:/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] 7ce525c133e4a4389f81f0e07d51ec10f4262515c73b24b254b1593a58fa3bce
[INFO] running `"docker" "start" "-a" "7ce525c133e4a4389f81f0e07d51ec10f4262515c73b24b254b1593a58fa3bce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/retro-b4fd4bd175a24622
[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" "7ce525c133e4a4389f81f0e07d51ec10f4262515c73b24b254b1593a58fa3bce"`
[INFO] running `"docker" "rm" "-f" "7ce525c133e4a4389f81f0e07d51ec10f4262515c73b24b254b1593a58fa3bce"`
[INFO] [stdout] 7ce525c133e4a4389f81f0e07d51ec10f4262515c73b24b254b1593a58fa3bce