[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrabBucket%2FAdventOfCode2020" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrabBucket/AdventOfCode2020 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 35e5b61fdd4a828e357f13768e536ac91cdf6663b0458c828e1c0a5cfb3cf553
[INFO] running `Command { std: "docker" "start" "-a" "35e5b61fdd4a828e357f13768e536ac91cdf6663b0458c828e1c0a5cfb3cf553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e5b61fdd4a828e357f13768e536ac91cdf6663b0458c828e1c0a5cfb3cf553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e5b61fdd4a828e357f13768e536ac91cdf6663b0458c828e1c0a5cfb3cf553", kill_on_drop: false }`
[INFO] [stdout] 35e5b61fdd4a828e357f13768e536ac91cdf6663b0458c828e1c0a5cfb3cf553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0504b7ef1a02b92781bac3bded18bc82196890a0498dd8e8e054710bd441e80
[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" "f0504b7ef1a02b92781bac3bded18bc82196890a0498dd8e8e054710bd441e80", 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 1.25s
[INFO] running `Command { std: "docker" "inspect" "f0504b7ef1a02b92781bac3bded18bc82196890a0498dd8e8e054710bd441e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0504b7ef1a02b92781bac3bded18bc82196890a0498dd8e8e054710bd441e80", kill_on_drop: false }`
[INFO] [stdout] f0504b7ef1a02b92781bac3bded18bc82196890a0498dd8e8e054710bd441e80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec9d0faf3f9edd77a1d57d36fe97526a5b9a282fd10c91602f0cf17df0f3b760
[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" "ec9d0faf3f9edd77a1d57d36fe97526a5b9a282fd10c91602f0cf17df0f3b760", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.41s
[INFO] running `Command { std: "docker" "inspect" "ec9d0faf3f9edd77a1d57d36fe97526a5b9a282fd10c91602f0cf17df0f3b760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9d0faf3f9edd77a1d57d36fe97526a5b9a282fd10c91602f0cf17df0f3b760", kill_on_drop: false }`
[INFO] [stdout] ec9d0faf3f9edd77a1d57d36fe97526a5b9a282fd10c91602f0cf17df0f3b760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0f623209f56a833e481e72515f04de116a1dec2e2de48e43a4dce6e816b232a
[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" "d0f623209f56a833e481e72515f04de116a1dec2e2de48e43a4dce6e816b232a", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `env`, `path::Path`
[INFO] [stderr]  --> src/Day1.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs, path::Path, env};
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/AdventOfCode-0403ded5f8e158ae
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0f623209f56a833e481e72515f04de116a1dec2e2de48e43a4dce6e816b232a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f623209f56a833e481e72515f04de116a1dec2e2de48e43a4dce6e816b232a", kill_on_drop: false }`
[INFO] [stdout] d0f623209f56a833e481e72515f04de116a1dec2e2de48e43a4dce6e816b232a