[INFO] cloning repository https://github.com/tyleo/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/tyleo/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyleo%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyleo%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24f40cd268405892ccbd67540e658ad0852285e1
[INFO] testing tyleo/advent_of_code_2020 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyleo%2Fadvent_of_code_2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyleo/advent_of_code_2020 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/tyleo/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/tyleo/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/tyleo/advent_of_code_2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tyleo/advent_of_code_2020 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2847359cd4c032c6d013f64776eea24f3ad9e2644c838e186a934c8d8c53db6d
[INFO] running `Command { std: "docker" "start" "-a" "2847359cd4c032c6d013f64776eea24f3ad9e2644c838e186a934c8d8c53db6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2847359cd4c032c6d013f64776eea24f3ad9e2644c838e186a934c8d8c53db6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2847359cd4c032c6d013f64776eea24f3ad9e2644c838e186a934c8d8c53db6d", kill_on_drop: false }`
[INFO] [stdout] 2847359cd4c032c6d013f64776eea24f3ad9e2644c838e186a934c8d8c53db6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f8b4e33f67697d3ed1821a7be72639bc81e524f79cbe0261ac26f574895ecdd7
[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" "f8b4e33f67697d3ed1821a7be72639bc81e524f79cbe0261ac26f574895ecdd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::util`
[INFO] [stdout]  --> src/problem_13_1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::util;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util`
[INFO] [stdout]  --> src/problem_13_2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::util;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/problem_2_1.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/problem_2_2.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "f8b4e33f67697d3ed1821a7be72639bc81e524f79cbe0261ac26f574895ecdd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b4e33f67697d3ed1821a7be72639bc81e524f79cbe0261ac26f574895ecdd7", kill_on_drop: false }`
[INFO] [stdout] f8b4e33f67697d3ed1821a7be72639bc81e524f79cbe0261ac26f574895ecdd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71a0934316de76b56480bb22dc11027dd3bb55d311445e7533f69a8208838189
[INFO] running `Command { std: "docker" "start" "-a" "71a0934316de76b56480bb22dc11027dd3bb55d311445e7533f69a8208838189", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::util`
[INFO] [stdout]  --> src/problem_13_1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::util;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util`
[INFO] [stdout]  --> src/problem_13_2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::util;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/problem_2_1.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/problem_2_2.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "71a0934316de76b56480bb22dc11027dd3bb55d311445e7533f69a8208838189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a0934316de76b56480bb22dc11027dd3bb55d311445e7533f69a8208838189", kill_on_drop: false }`
[INFO] [stdout] 71a0934316de76b56480bb22dc11027dd3bb55d311445e7533f69a8208838189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 12baff6afd913fb67d66bd9e42f19394063e952b47f9fecc70bc0d0fb396da22
[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" "12baff6afd913fb67d66bd9e42f19394063e952b47f9fecc70bc0d0fb396da22", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::util`
[INFO] [stderr]  --> src/problem_13_1.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::util;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::util`
[INFO] [stderr]  --> src/problem_13_2.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::util;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/problem_2_1.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/problem_2_2.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_2020` (bin "advent_of_code_2020" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2020-9aeecafba27aff9f)
[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" "12baff6afd913fb67d66bd9e42f19394063e952b47f9fecc70bc0d0fb396da22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12baff6afd913fb67d66bd9e42f19394063e952b47f9fecc70bc0d0fb396da22", kill_on_drop: false }`
[INFO] [stdout] 12baff6afd913fb67d66bd9e42f19394063e952b47f9fecc70bc0d0fb396da22