[INFO] cloning repository https://github.com/kcotugno/aoc-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kcotugno/aoc-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcotugno%2Faoc-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcotugno%2Faoc-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a165f74a5de14b04d956d36d402e903bae89f9b7
[INFO] testing kcotugno/aoc-2018 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcotugno%2Faoc-2018" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kcotugno/aoc-2018 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/kcotugno/aoc-2018
[INFO] finished tweaking git repo https://github.com/kcotugno/aoc-2018
[INFO] tweaked toml for git repo https://github.com/kcotugno/aoc-2018 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kcotugno/aoc-2018 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d144def939ac5e811bff6d5324e1fb7b431f33c553ce4bddd19d36be71a2958e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d144def939ac5e811bff6d5324e1fb7b431f33c553ce4bddd19d36be71a2958e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d144def939ac5e811bff6d5324e1fb7b431f33c553ce4bddd19d36be71a2958e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d144def939ac5e811bff6d5324e1fb7b431f33c553ce4bddd19d36be71a2958e", kill_on_drop: false }`
[INFO] [stdout] d144def939ac5e811bff6d5324e1fb7b431f33c553ce4bddd19d36be71a2958e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c99d66c9880b19e84b907834c128e15e08e321622bedfb417a2fa1042857a4d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c99d66c9880b19e84b907834c128e15e08e321622bedfb417a2fa1042857a4d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling aoc-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/aoc/c03.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let mut s = &p[1..];
[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 8.32s
[INFO] running `Command { std: "docker" "inspect" "c99d66c9880b19e84b907834c128e15e08e321622bedfb417a2fa1042857a4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99d66c9880b19e84b907834c128e15e08e321622bedfb417a2fa1042857a4d4", kill_on_drop: false }`
[INFO] [stdout] c99d66c9880b19e84b907834c128e15e08e321622bedfb417a2fa1042857a4d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2a18962cbf7bc49dcba4a52c2f963a672c89a20f43b079f94f84990c13e36ed6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a18962cbf7bc49dcba4a52c2f963a672c89a20f43b079f94f84990c13e36ed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/aoc/c03.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let mut s = &p[1..];
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/aoc/c03.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let mut s = &p[1..];
[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 test [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "2a18962cbf7bc49dcba4a52c2f963a672c89a20f43b079f94f84990c13e36ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a18962cbf7bc49dcba4a52c2f963a672c89a20f43b079f94f84990c13e36ed6", kill_on_drop: false }`
[INFO] [stdout] 2a18962cbf7bc49dcba4a52c2f963a672c89a20f43b079f94f84990c13e36ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7ee25ab252e2a4866a5934beda462e67d6a94e035b4ccef867a9c2c7fd6dd1b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ee25ab252e2a4866a5934beda462e67d6a94e035b4ccef867a9c2c7fd6dd1b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/aoc/c03.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mut s = &p[1..];
[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: `aoc-2018` (lib) generated 1 warning
[INFO] [stderr] warning: `aoc-2018` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc-c19da4045ab42769)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test c05::tests::c_05_2_examples ... ok
[INFO] [stdout] test c05::tests::c_05_1_examples ... ok
[INFO] [stdout] test c01::tests::c_01_1_examples ... ok
[INFO] [stdout] test c01::tests::c_01_2_examples ... ok
[INFO] [stdout] test c02::tests::c_02_1_examples ... ok
[INFO] [stdout] test c04::tests::c_04_1_examples ... ok
[INFO] [stdout] test c02::tests::c_02_2_examples ... ok
[INFO] [stdout] test c04::tests::c_04_2_examples ... ok
[INFO] [stdout] test c03::tests::c_03_2_examples ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc_2018-83ea2bea83e09b09)
[INFO] [stdout] test c03::tests::c_03_1_examples ... ok
[INFO] [stderr]    Doc-tests aoc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ee25ab252e2a4866a5934beda462e67d6a94e035b4ccef867a9c2c7fd6dd1b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee25ab252e2a4866a5934beda462e67d6a94e035b4ccef867a9c2c7fd6dd1b3", kill_on_drop: false }`
[INFO] [stdout] 7ee25ab252e2a4866a5934beda462e67d6a94e035b4ccef867a9c2c7fd6dd1b3