[INFO] cloning repository https://github.com/nthnptt/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nthnptt/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthnptt%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthnptt%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2db222884828b70a546e8b348f462fe52eae3ae
[INFO] checking nthnptt/aoc2021 against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthnptt%2Faoc2021" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nthnptt/aoc2021
[INFO] finished tweaking git repo https://github.com/nthnptt/aoc2021
[INFO] tweaked toml for git repo https://github.com/nthnptt/aoc2021 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nthnptt/aoc2021 on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nthnptt/aoc2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37c1fa10672cc3276ba19e053a00f16f93c097f387ab4bb1a5550eaa23f4ad51
[INFO] running `Command { std: "docker" "start" "-a" "37c1fa10672cc3276ba19e053a00f16f93c097f387ab4bb1a5550eaa23f4ad51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37c1fa10672cc3276ba19e053a00f16f93c097f387ab4bb1a5550eaa23f4ad51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c1fa10672cc3276ba19e053a00f16f93c097f387ab4bb1a5550eaa23f4ad51", kill_on_drop: false }`
[INFO] [stdout] 37c1fa10672cc3276ba19e053a00f16f93c097f387ab4bb1a5550eaa23f4ad51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b18bbef8cd1c2b74607d9799f6be80552d863a052bc53322b07864700aa767f
[INFO] running `Command { std: "docker" "start" "-a" "9b18bbef8cd1c2b74607d9799f6be80552d863a052bc53322b07864700aa767f", kill_on_drop: false }`
[INFO] [stderr] warning: day1 v0.1.0 (/opt/rustwide/workdir/day01) ignoring invalid dependency `aoc2021` which is missing a lib target
[INFO] [stderr] warning: day10 v0.1.0 (/opt/rustwide/workdir/day10) ignoring invalid dependency `aoc2021` which is missing a lib target
[INFO] [stderr] warning: day2 v0.1.0 (/opt/rustwide/workdir/day02) ignoring invalid dependency `aoc2021` which is missing a lib target
[INFO] [stderr] warning: day9 v0.1.0 (/opt/rustwide/workdir/day09) ignoring invalid dependency `aoc2021` which is missing a lib target
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking day9 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]     Checking day1 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> day02/src/parser.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut split = line.split_whitespace().collect::<Vec<&str>>();
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> day10/src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, ops::Add};
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> day10/src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::VecDeque, ops::Add};
[INFO] [stdout]   |                                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> day02/src/parser.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut split = line.split_whitespace().collect::<Vec<&str>>();
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first` is never used
[INFO] [stdout]   --> day09/src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn first() {}
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first` is never used
[INFO] [stdout]   --> day09/src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn first() {}
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `it_should_merge_work` is never used
[INFO] [stdout]   --> day01/tests/depth_analyser_test.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn it_should_merge_work() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "9b18bbef8cd1c2b74607d9799f6be80552d863a052bc53322b07864700aa767f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b18bbef8cd1c2b74607d9799f6be80552d863a052bc53322b07864700aa767f", kill_on_drop: false }`
[INFO] [stdout] 9b18bbef8cd1c2b74607d9799f6be80552d863a052bc53322b07864700aa767f