[INFO] cloning repository https://github.com/CarbonBasedDudeform/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CarbonBasedDudeform/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarbonBasedDudeform%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarbonBasedDudeform%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1962b8b4c296debe0431619e47dec5e802a7ff5
[INFO] checking CarbonBasedDudeform/adventofcode2020 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarbonBasedDudeform%2Fadventofcode2020" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CarbonBasedDudeform/adventofcode2020 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CarbonBasedDudeform/adventofcode2020
[INFO] finished tweaking git repo https://github.com/CarbonBasedDudeform/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/CarbonBasedDudeform/adventofcode2020 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/CarbonBasedDudeform/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d12679bbfedce70bd5045a4a580053578d387990c6cd3b1dc1eff1c8c692248f
[INFO] running `Command { std: "docker" "start" "-a" "d12679bbfedce70bd5045a4a580053578d387990c6cd3b1dc1eff1c8c692248f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12679bbfedce70bd5045a4a580053578d387990c6cd3b1dc1eff1c8c692248f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12679bbfedce70bd5045a4a580053578d387990c6cd3b1dc1eff1c8c692248f", kill_on_drop: false }`
[INFO] [stdout] d12679bbfedce70bd5045a4a580053578d387990c6cd3b1dc1eff1c8c692248f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 078d608216387208f9f3810627a3dc338232d41105c3b99838b2a6054eeedbf7
[INFO] running `Command { std: "docker" "start" "-a" "078d608216387208f9f3810627a3dc338232d41105c3b99838b2a6054eeedbf7", kill_on_drop: false }`
[INFO] [stderr]     Checking adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day2.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |           if (password.chars().nth(low_limit-1) == candidate.chars().nth(0) && password.chars().nth(hi_limit-1) != candidate.chars().nth(0) ||
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 23 | |             password.chars().nth(low_limit-1) != candidate.chars().nth(0) && password.chars().nth(hi_limit-1) == candidate.chars().nth(0)) {
[INFO] [stdout]    | |__________________________________________________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if password.chars().nth(low_limit-1) == candidate.chars().nth(0) && password.chars().nth(hi_limit-1) != candidate.chars().nth(0) ||
[INFO] [stdout] 23 |             password.chars().nth(low_limit-1) != candidate.chars().nth(0) && password.chars().nth(hi_limit-1) == candidate.chars().nth(0) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day2.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |           if (password.chars().nth(low_limit-1) == candidate.chars().nth(0) && password.chars().nth(hi_limit-1) != candidate.chars().nth(0) ||
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 23 | |             password.chars().nth(low_limit-1) != candidate.chars().nth(0) && password.chars().nth(hi_limit-1) == candidate.chars().nth(0)) {
[INFO] [stdout]    | |__________________________________________________________________________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if password.chars().nth(low_limit-1) == candidate.chars().nth(0) && password.chars().nth(hi_limit-1) != candidate.chars().nth(0) ||
[INFO] [stdout] 23 |             password.chars().nth(low_limit-1) != candidate.chars().nth(0) && password.chars().nth(hi_limit-1) == candidate.chars().nth(0) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "078d608216387208f9f3810627a3dc338232d41105c3b99838b2a6054eeedbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078d608216387208f9f3810627a3dc338232d41105c3b99838b2a6054eeedbf7", kill_on_drop: false }`
[INFO] [stdout] 078d608216387208f9f3810627a3dc338232d41105c3b99838b2a6054eeedbf7