[INFO] cloning repository https://github.com/kilork/google-codejam-2018-saving-the-universe-again
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kilork/google-codejam-2018-saving-the-universe-again" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilork%2Fgoogle-codejam-2018-saving-the-universe-again", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilork%2Fgoogle-codejam-2018-saving-the-universe-again'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a79d07a407810271c469ec0d708fcd0bc49c709
[INFO] testing kilork/google-codejam-2018-saving-the-universe-again against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkilork%2Fgoogle-codejam-2018-saving-the-universe-again" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kilork/google-codejam-2018-saving-the-universe-again on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kilork/google-codejam-2018-saving-the-universe-again
[INFO] finished tweaking git repo https://github.com/kilork/google-codejam-2018-saving-the-universe-again
[INFO] tweaked toml for git repo https://github.com/kilork/google-codejam-2018-saving-the-universe-again written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kilork/google-codejam-2018-saving-the-universe-again already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a68f14e1427d2f6468a46d772a01fabda1ac706e7d0ef1675dc3e8d78da8cc75
[INFO] running `Command { std: "docker" "start" "-a" "a68f14e1427d2f6468a46d772a01fabda1ac706e7d0ef1675dc3e8d78da8cc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68f14e1427d2f6468a46d772a01fabda1ac706e7d0ef1675dc3e8d78da8cc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68f14e1427d2f6468a46d772a01fabda1ac706e7d0ef1675dc3e8d78da8cc75", kill_on_drop: false }`
[INFO] [stdout] a68f14e1427d2f6468a46d772a01fabda1ac706e7d0ef1675dc3e8d78da8cc75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 516b5fadcc4fe288ca21cb3978f2e4c662177eca125746af381833136aaae45b
[INFO] running `Command { std: "docker" "start" "-a" "516b5fadcc4fe288ca21cb3978f2e4c662177eca125746af381833136aaae45b", kill_on_drop: false }`
[INFO] [stderr]    Compiling saving-the-universe-again v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut hackable = parse_program(program);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "516b5fadcc4fe288ca21cb3978f2e4c662177eca125746af381833136aaae45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516b5fadcc4fe288ca21cb3978f2e4c662177eca125746af381833136aaae45b", kill_on_drop: false }`
[INFO] [stdout] 516b5fadcc4fe288ca21cb3978f2e4c662177eca125746af381833136aaae45b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab3324b7681c9579314a185b8de9590d76eed348d825e0c8327d3632a31e9300
[INFO] running `Command { std: "docker" "start" "-a" "ab3324b7681c9579314a185b8de9590d76eed348d825e0c8327d3632a31e9300", kill_on_drop: false }`
[INFO] [stderr]    Compiling saving-the-universe-again v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut hackable = parse_program(program);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab3324b7681c9579314a185b8de9590d76eed348d825e0c8327d3632a31e9300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3324b7681c9579314a185b8de9590d76eed348d825e0c8327d3632a31e9300", kill_on_drop: false }`
[INFO] [stdout] ab3324b7681c9579314a185b8de9590d76eed348d825e0c8327d3632a31e9300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76d062de0b5b9158c4f55684cdd1dfa78c6c1783070bbc8b49ec6091f154aff7
[INFO] running `Command { std: "docker" "start" "-a" "76d062de0b5b9158c4f55684cdd1dfa78c6c1783070bbc8b49ec6091f154aff7", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut hackable = parse_program(program);
[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] warning: `saving-the-universe-again` (bin "saving-the-universe-again" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/saving_the_universe_again-0f38fdcb67ee22de)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76d062de0b5b9158c4f55684cdd1dfa78c6c1783070bbc8b49ec6091f154aff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d062de0b5b9158c4f55684cdd1dfa78c6c1783070bbc8b49ec6091f154aff7", kill_on_drop: false }`
[INFO] [stdout] 76d062de0b5b9158c4f55684cdd1dfa78c6c1783070bbc8b49ec6091f154aff7