[INFO] cloning repository https://github.com/CrabBucket/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrabBucket/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrabBucket%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrabBucket%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a03aa289206778f5f820780d1c66497ce3e604c5
[INFO] testing CrabBucket/AdventOfCode2020 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrabBucket%2FAdventOfCode2020" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrabBucket/AdventOfCode2020 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/CrabBucket/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/CrabBucket/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/CrabBucket/AdventOfCode2020 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/CrabBucket/AdventOfCode2020 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 60e4ff3266a2f682daa201449c016e99f0f6f0ce5df81c565d85184044998597
[INFO] running `Command { std: "docker" "start" "-a" "60e4ff3266a2f682daa201449c016e99f0f6f0ce5df81c565d85184044998597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60e4ff3266a2f682daa201449c016e99f0f6f0ce5df81c565d85184044998597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e4ff3266a2f682daa201449c016e99f0f6f0ce5df81c565d85184044998597", kill_on_drop: false }`
[INFO] [stdout] 60e4ff3266a2f682daa201449c016e99f0f6f0ce5df81c565d85184044998597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd8c874ce435e994a29754dbb03a486543be1bff0f3342ab04f2c1f9cdadf76a
[INFO] running `Command { std: "docker" "start" "-a" "bd8c874ce435e994a29754dbb03a486543be1bff0f3342ab04f2c1f9cdadf76a", kill_on_drop: false }`
[INFO] [stderr]    Compiling AdventOfCode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `env`, `path::Path`
[INFO] [stdout]  --> src/Day1.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, path::Path, env};
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `AdventOfCode` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Day1` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod Day1;
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case: `day1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "bd8c874ce435e994a29754dbb03a486543be1bff0f3342ab04f2c1f9cdadf76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8c874ce435e994a29754dbb03a486543be1bff0f3342ab04f2c1f9cdadf76a", kill_on_drop: false }`
[INFO] [stdout] bd8c874ce435e994a29754dbb03a486543be1bff0f3342ab04f2c1f9cdadf76a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 48ac0b337b01ed1f8b7edb08f8965e6e32602c73606aa07f20450a505dc5af7c
[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" "48ac0b337b01ed1f8b7edb08f8965e6e32602c73606aa07f20450a505dc5af7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling AdventOfCode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `env`, `path::Path`
[INFO] [stdout]  --> src/Day1.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs, path::Path, env};
[INFO] [stdout]   |               ^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `AdventOfCode` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Day1` should have a snake case name
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod Day1;
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case: `day1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "48ac0b337b01ed1f8b7edb08f8965e6e32602c73606aa07f20450a505dc5af7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ac0b337b01ed1f8b7edb08f8965e6e32602c73606aa07f20450a505dc5af7c", kill_on_drop: false }`
[INFO] [stdout] 48ac0b337b01ed1f8b7edb08f8965e6e32602c73606aa07f20450a505dc5af7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d80b977916584ec84186048ef4d77b724c4606ecb5c4d634e7754b9200bc6c54
[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" "d80b977916584ec84186048ef4d77b724c4606ecb5c4d634e7754b9200bc6c54", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `env`, `path::Path`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/Day1.rs:1:15
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use std::{fs, path::Path, env};
[INFO] [stdout] 
[INFO] [stderr]   |               ^^^^^^^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `AdventOfCode` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `advent_of_code`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Day1` should have a snake case name
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod Day1;
[INFO] [stderr]   |     ^^^^ help: convert the identifier to snake case: `day1`
[INFO] [stderr] 
[INFO] [stderr] warning: `AdventOfCode` (bin "AdventOfCode" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/AdventOfCode-16990cfe99de2bfb)
[INFO] running `Command { std: "docker" "inspect" "d80b977916584ec84186048ef4d77b724c4606ecb5c4d634e7754b9200bc6c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80b977916584ec84186048ef4d77b724c4606ecb5c4d634e7754b9200bc6c54", kill_on_drop: false }`
[INFO] [stdout] d80b977916584ec84186048ef4d77b724c4606ecb5c4d634e7754b9200bc6c54