[INFO] cloning repository https://github.com/jgrazian/AdventOfCode2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgrazian/AdventOfCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgrazian%2FAdventOfCode2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgrazian%2FAdventOfCode2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbcbf09ddeb3699d9031d76d047a5d529d8bc111
[INFO] checking jgrazian/AdventOfCode2021 against try#59a256151e578f525a26127f2c3e3a6c7e2982ca for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgrazian%2FAdventOfCode2021" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jgrazian/AdventOfCode2021
[INFO] finished tweaking git repo https://github.com/jgrazian/AdventOfCode2021
[INFO] tweaked toml for git repo https://github.com/jgrazian/AdventOfCode2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jgrazian/AdventOfCode2021 on toolchain 59a256151e578f525a26127f2c3e3a6c7e2982ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jgrazian/AdventOfCode2021 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" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking jgrazian/AdventOfCode2021 against try#59a256151e578f525a26127f2c3e3a6c7e2982ca for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgrazian%2FAdventOfCode2021" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jgrazian/AdventOfCode2021
[INFO] finished tweaking git repo https://github.com/jgrazian/AdventOfCode2021
[INFO] tweaked toml for git repo https://github.com/jgrazian/AdventOfCode2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jgrazian/AdventOfCode2021 on toolchain 59a256151e578f525a26127f2c3e3a6c7e2982ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jgrazian/AdventOfCode2021 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" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce2c563dea7ae45fe3faa32fbd3ca3803190c3787e870d1c995af7e0f3ca2183
[INFO] running `Command { std: "docker" "start" "-a" "ce2c563dea7ae45fe3faa32fbd3ca3803190c3787e870d1c995af7e0f3ca2183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce2c563dea7ae45fe3faa32fbd3ca3803190c3787e870d1c995af7e0f3ca2183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2c563dea7ae45fe3faa32fbd3ca3803190c3787e870d1c995af7e0f3ca2183", kill_on_drop: false }`
[INFO] [stdout] ce2c563dea7ae45fe3faa32fbd3ca3803190c3787e870d1c995af7e0f3ca2183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c7631511df086688a9c9d8b6da6483b14fbdc6e8a7e012622c829a90376698
[INFO] running `Command { std: "docker" "start" "-a" "48c7631511df086688a9c9d8b6da6483b14fbdc6e8a7e012622c829a90376698", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/day04.rs:39:72
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn rows<'a>(board: &'a [usize]) -> impl Iterator<Item = &'a [usize]> + '_ {
[INFO] [stdout]    |                     --                                   --            ^^ the same lifetime is elided here
[INFO] [stdout]    |                     |                                    |
[INFO] [stdout]    |                     the lifetime is named here           the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 39 - fn rows<'a>(board: &'a [usize]) -> impl Iterator<Item = &'a [usize]> + '_ {
[INFO] [stdout] 39 + fn rows<'a>(board: &'a [usize]) -> impl Iterator<Item = &'a [usize]> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/day04.rs:43:81
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn columns<'a>(board: &'a [usize]) -> impl Iterator<Item = impl Iterator<Item = &usize>> + '_ {
[INFO] [stdout]    |                        --                                                       ^^^^^^     ^^ the same lifetime is elided here
[INFO] [stdout]    |                        |                                                        |
[INFO] [stdout]    |                        the lifetime is named here                               the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 43 - fn columns<'a>(board: &'a [usize]) -> impl Iterator<Item = impl Iterator<Item = &usize>> + '_ {
[INFO] [stdout] 43 + fn columns<'a>(board: &'a [usize]) -> impl Iterator<Item = impl Iterator<Item = &'a usize>> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/day04.rs:39:72
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn rows<'a>(board: &'a [usize]) -> impl Iterator<Item = &'a [usize]> + '_ {
[INFO] [stdout]    |                     --                                   --            ^^ the same lifetime is elided here
[INFO] [stdout]    |                     |                                    |
[INFO] [stdout]    |                     the lifetime is named here           the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 39 - fn rows<'a>(board: &'a [usize]) -> impl Iterator<Item = &'a [usize]> + '_ {
[INFO] [stdout] 39 + fn rows<'a>(board: &'a [usize]) -> impl Iterator<Item = &'a [usize]> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/day04.rs:43:81
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn columns<'a>(board: &'a [usize]) -> impl Iterator<Item = impl Iterator<Item = &usize>> + '_ {
[INFO] [stdout]    |                        --                                                       ^^^^^^     ^^ the same lifetime is elided here
[INFO] [stdout]    |                        |                                                        |
[INFO] [stdout]    |                        the lifetime is named here                               the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 43 - fn columns<'a>(board: &'a [usize]) -> impl Iterator<Item = impl Iterator<Item = &usize>> + '_ {
[INFO] [stdout] 43 + fn columns<'a>(board: &'a [usize]) -> impl Iterator<Item = impl Iterator<Item = &'a usize>> + 'a {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "48c7631511df086688a9c9d8b6da6483b14fbdc6e8a7e012622c829a90376698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c7631511df086688a9c9d8b6da6483b14fbdc6e8a7e012622c829a90376698", kill_on_drop: false }`
[INFO] [stdout] 48c7631511df086688a9c9d8b6da6483b14fbdc6e8a7e012622c829a90376698