[INFO] updating cached repository https://github.com/thomasfermi/JackCompiler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e8f6f882182fbb0d2485afd13155c2436f1a506f
[INFO] testing thomasfermi/JackCompiler against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasfermi%2FJackCompiler" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomasfermi/JackCompiler on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/thomasfermi/JackCompiler
[INFO] finished tweaking git repo https://github.com/thomasfermi/JackCompiler
[INFO] tweaked toml for git repo https://github.com/thomasfermi/JackCompiler written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/thomasfermi/JackCompiler already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 380d2518680357ce82daa4abecbfe90a7188696603555f66598dbd35feba7c29
[INFO] running `"docker" "start" "-a" "380d2518680357ce82daa4abecbfe90a7188696603555f66598dbd35feba7c29"`
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling peek-nth v0.2.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling jack_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let mut output_file_name = str::replace(
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `"docker" "inspect" "380d2518680357ce82daa4abecbfe90a7188696603555f66598dbd35feba7c29"`
[INFO] running `"docker" "rm" "-f" "380d2518680357ce82daa4abecbfe90a7188696603555f66598dbd35feba7c29"`
[INFO] [stdout] 380d2518680357ce82daa4abecbfe90a7188696603555f66598dbd35feba7c29
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 77c6d0af1fc0b8d08e9db98878ef3152a59ca57843542dcccfd36fa079e83820
[INFO] running `"docker" "start" "-a" "77c6d0af1fc0b8d08e9db98878ef3152a59ca57843542dcccfd36fa079e83820"`
[INFO] [stderr]    Compiling jack_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let mut output_file_name = str::replace(
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "77c6d0af1fc0b8d08e9db98878ef3152a59ca57843542dcccfd36fa079e83820"`
[INFO] running `"docker" "rm" "-f" "77c6d0af1fc0b8d08e9db98878ef3152a59ca57843542dcccfd36fa079e83820"`
[INFO] [stdout] 77c6d0af1fc0b8d08e9db98878ef3152a59ca57843542dcccfd36fa079e83820
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] baca343fddcd1319b75219646aa0d796fef5bc5a3820c97343a79afc097f6644
[INFO] running `"docker" "start" "-a" "baca343fddcd1319b75219646aa0d796fef5bc5a3820c97343a79afc097f6644"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jack_compiler-f7d5c2e56abcbe7c
[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" "baca343fddcd1319b75219646aa0d796fef5bc5a3820c97343a79afc097f6644"`
[INFO] running `"docker" "rm" "-f" "baca343fddcd1319b75219646aa0d796fef5bc5a3820c97343a79afc097f6644"`
[INFO] [stdout] baca343fddcd1319b75219646aa0d796fef5bc5a3820c97343a79afc097f6644