[INFO] updating cached repository https://github.com/TheClinery1/alt-brainf
[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] 327753b2ca488fd7b969e721743b2ef0ca303299
[INFO] testing TheClinery1/alt-brainf against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheClinery1%2Falt-brainf" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheClinery1/alt-brainf 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/TheClinery1/alt-brainf
[INFO] finished tweaking git repo https://github.com/TheClinery1/alt-brainf
[INFO] tweaked toml for git repo https://github.com/TheClinery1/alt-brainf written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/TheClinery1/alt-brainf 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 897e7b4b1256e41fd5eca66a511e287e7f6a36e19c2c9f4cf34375d08104179a
[INFO] running `"docker" "start" "-a" "897e7b4b1256e41fd5eca66a511e287e7f6a36e19c2c9f4cf34375d08104179a"`
[INFO] [stderr]    Compiling alt-brainf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:508:13
[INFO] [stderr]     |
[INFO] [stderr] 508 |         let mut instructions;
[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 0.59s
[INFO] running `"docker" "inspect" "897e7b4b1256e41fd5eca66a511e287e7f6a36e19c2c9f4cf34375d08104179a"`
[INFO] running `"docker" "rm" "-f" "897e7b4b1256e41fd5eca66a511e287e7f6a36e19c2c9f4cf34375d08104179a"`
[INFO] [stdout] 897e7b4b1256e41fd5eca66a511e287e7f6a36e19c2c9f4cf34375d08104179a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] e761ce1fa0eb11d2b447167eacb4c08344b420558c114f3ccab3eb1392765bca
[INFO] running `"docker" "start" "-a" "e761ce1fa0eb11d2b447167eacb4c08344b420558c114f3ccab3eb1392765bca"`
[INFO] [stderr]    Compiling alt-brainf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:508:13
[INFO] [stderr]     |
[INFO] [stderr] 508 |         let mut instructions;
[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 1.40s
[INFO] running `"docker" "inspect" "e761ce1fa0eb11d2b447167eacb4c08344b420558c114f3ccab3eb1392765bca"`
[INFO] running `"docker" "rm" "-f" "e761ce1fa0eb11d2b447167eacb4c08344b420558c114f3ccab3eb1392765bca"`
[INFO] [stdout] e761ce1fa0eb11d2b447167eacb4c08344b420558c114f3ccab3eb1392765bca
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] ada1aa9c2ab9cc7b2895af4c584eb25aa07125fdd0824616e8a51211952f2aa4
[INFO] running `"docker" "start" "-a" "ada1aa9c2ab9cc7b2895af4c584eb25aa07125fdd0824616e8a51211952f2aa4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alt_brainf-26faa61237a5c8d8
[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" "ada1aa9c2ab9cc7b2895af4c584eb25aa07125fdd0824616e8a51211952f2aa4"`
[INFO] running `"docker" "rm" "-f" "ada1aa9c2ab9cc7b2895af4c584eb25aa07125fdd0824616e8a51211952f2aa4"`
[INFO] [stdout] ada1aa9c2ab9cc7b2895af4c584eb25aa07125fdd0824616e8a51211952f2aa4