[INFO] cloning repository https://github.com/deinok/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deinok/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeinok%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeinok%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69490256cc37b4dc582ac011d2ced7cc4fe198d9
[INFO] testing deinok/advent-of-code-2020 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeinok%2Fadvent-of-code-2020" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deinok/advent-of-code-2020 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deinok/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/deinok/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/deinok/advent-of-code-2020 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/deinok/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 382e762217a78ab779409ae01a0e9b4ef38891f4db005f5fb43309238c428e27
[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" "382e762217a78ab779409ae01a0e9b4ef38891f4db005f5fb43309238c428e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "382e762217a78ab779409ae01a0e9b4ef38891f4db005f5fb43309238c428e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382e762217a78ab779409ae01a0e9b4ef38891f4db005f5fb43309238c428e27", kill_on_drop: false }`
[INFO] [stdout] 382e762217a78ab779409ae01a0e9b4ef38891f4db005f5fb43309238c428e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfd1cc15a52d5397aa5e0cebdc2e2ce0e4c9a7ec9d6d5a2ad6c872e66a383028
[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" "bfd1cc15a52d5397aa5e0cebdc2e2ce0e4c9a7ec9d6d5a2ad6c872e66a383028", kill_on_drop: false }`
[INFO] [stderr]    Compiling day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stderr]    Compiling day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]   --> day-2/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let lines = buf_reader.lines();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.72s
[INFO] running `Command { std: "docker" "inspect" "bfd1cc15a52d5397aa5e0cebdc2e2ce0e4c9a7ec9d6d5a2ad6c872e66a383028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd1cc15a52d5397aa5e0cebdc2e2ce0e4c9a7ec9d6d5a2ad6c872e66a383028", kill_on_drop: false }`
[INFO] [stdout] bfd1cc15a52d5397aa5e0cebdc2e2ce0e4c9a7ec9d6d5a2ad6c872e66a383028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ceb87506af8b9b0ea5e91ee887714296551cf0ffeeff9c37d6c6a575c1bdb29
[INFO] running `Command { std: "docker" "start" "-a" "6ceb87506af8b9b0ea5e91ee887714296551cf0ffeeff9c37d6c6a575c1bdb29", kill_on_drop: false }`
[INFO] [stderr]    Compiling day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]    Compiling day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]   --> day-2/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let lines = buf_reader.lines();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.16s
[INFO] running `Command { std: "docker" "inspect" "6ceb87506af8b9b0ea5e91ee887714296551cf0ffeeff9c37d6c6a575c1bdb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ceb87506af8b9b0ea5e91ee887714296551cf0ffeeff9c37d6c6a575c1bdb29", kill_on_drop: false }`
[INFO] [stdout] 6ceb87506af8b9b0ea5e91ee887714296551cf0ffeeff9c37d6c6a575c1bdb29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b236dd1cd651cc770e828817568b2644bf2bd4f04bb6466725aff30d6d7d5910
[INFO] running `Command { std: "docker" "start" "-a" "b236dd1cd651cc770e828817568b2644bf2bd4f04bb6466725aff30d6d7d5910", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `lines`
[INFO] [stderr]   --> day-2/src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let lines = buf_reader.lines();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_1-380fa2e90c4828ce)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_2-0e7cc32a6b23136a)
[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" "b236dd1cd651cc770e828817568b2644bf2bd4f04bb6466725aff30d6d7d5910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b236dd1cd651cc770e828817568b2644bf2bd4f04bb6466725aff30d6d7d5910", kill_on_drop: false }`
[INFO] [stdout] b236dd1cd651cc770e828817568b2644bf2bd4f04bb6466725aff30d6d7d5910