[INFO] cloning repository KeeganMyers/mshell
[INFO] running `"git" "clone" "--bare" "git://github.com/KeeganMyers/mshell.git" "work/cache/sources/gh/KeeganMyers/mshell"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/KeeganMyers/mshell'...
[INFO] running `"git" "clone" "work/cache/sources/gh/KeeganMyers/mshell" "work/ex/beta-1.37-6/sources/1.36.0/gh/KeeganMyers/mshell"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/KeeganMyers/mshell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KeeganMyers/mshell" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeeganMyers/mshell"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeeganMyers/mshell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32861b45ccac1ac0752bd2645ca67bae8adc9bbc
[INFO] sha for GitHub repo KeeganMyers/mshell: 32861b45ccac1ac0752bd2645ca67bae8adc9bbc
[INFO] validating manifest of KeeganMyers/mshell on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of KeeganMyers/mshell on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing KeeganMyers/mshell
[INFO] finished frobbing KeeganMyers/mshell
[INFO] frobbed toml for KeeganMyers/mshell written to work/ex/beta-1.37-6/sources/1.36.0/gh/KeeganMyers/mshell/Cargo.toml
[INFO] started frobbing KeeganMyers/mshell
[INFO] finished frobbing KeeganMyers/mshell
[INFO] frobbed toml for KeeganMyers/mshell written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeeganMyers/mshell/Cargo.toml
[INFO] crate KeeganMyers/mshell already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing KeeganMyers/mshell against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/KeeganMyers/mshell:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1b7290a6ca1ade466512c37499bad9bce839ba03748ad92e4be0730301becf4c
[INFO] running `"docker" "start" "-a" "1b7290a6ca1ade466512c37499bad9bce839ba03748ad92e4be0730301becf4c"`
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling dirs v2.0.1
[INFO] [stderr]    Compiling rustyline v5.0.0
[INFO] [stderr]    Compiling mshell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             final_command.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 11.88s
[INFO] running `"docker" "inspect" "1b7290a6ca1ade466512c37499bad9bce839ba03748ad92e4be0730301becf4c"`
[INFO] running `"docker" "rm" "-f" "1b7290a6ca1ade466512c37499bad9bce839ba03748ad92e4be0730301becf4c"`
[INFO] [stdout] 1b7290a6ca1ade466512c37499bad9bce839ba03748ad92e4be0730301becf4c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/KeeganMyers/mshell:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0cf10e46a52978ca4217d1066cd296c8fd45e42b5228710554f456e9199b9ed4
[INFO] running `"docker" "start" "-a" "0cf10e46a52978ca4217d1066cd296c8fd45e42b5228710554f456e9199b9ed4"`
[INFO] [stderr]    Compiling mshell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             final_command.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 1.38s
[INFO] running `"docker" "inspect" "0cf10e46a52978ca4217d1066cd296c8fd45e42b5228710554f456e9199b9ed4"`
[INFO] running `"docker" "rm" "-f" "0cf10e46a52978ca4217d1066cd296c8fd45e42b5228710554f456e9199b9ed4"`
[INFO] [stdout] 0cf10e46a52978ca4217d1066cd296c8fd45e42b5228710554f456e9199b9ed4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/KeeganMyers/mshell:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 1edea268531b8cb69b41f8256939c4377e16e6e232c428eb922d373878ee35f1
[INFO] running `"docker" "start" "-a" "1edea268531b8cb69b41f8256939c4377e16e6e232c428eb922d373878ee35f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mshell-ade21cb80c39d471
[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" "1edea268531b8cb69b41f8256939c4377e16e6e232c428eb922d373878ee35f1"`
[INFO] running `"docker" "rm" "-f" "1edea268531b8cb69b41f8256939c4377e16e6e232c428eb922d373878ee35f1"`
[INFO] [stdout] 1edea268531b8cb69b41f8256939c4377e16e6e232c428eb922d373878ee35f1