[INFO] cloning repository https://github.com/MaartenStaa/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaartenStaa/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6378262c4c6408372371fe3c76c400975f90c168
[INFO] checking MaartenStaa/advent-of-code-2021/6378262c4c6408372371fe3c76c400975f90c168 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaartenStaa%2Fadvent-of-code-2021" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaartenStaa/advent-of-code-2021 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaartenStaa/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/MaartenStaa/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/MaartenStaa/advent-of-code-2021 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MaartenStaa/advent-of-code-2021 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccf1677785ba0d3c86a5499a48d28b135f9121f6b0c95f01054490f232c8ec2a
[INFO] running `Command { std: "docker" "start" "-a" "ccf1677785ba0d3c86a5499a48d28b135f9121f6b0c95f01054490f232c8ec2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf1677785ba0d3c86a5499a48d28b135f9121f6b0c95f01054490f232c8ec2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf1677785ba0d3c86a5499a48d28b135f9121f6b0c95f01054490f232c8ec2a", kill_on_drop: false }`
[INFO] [stdout] ccf1677785ba0d3c86a5499a48d28b135f9121f6b0c95f01054490f232c8ec2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62091a65466f7c0eed780711537866350bd2c4979e6237b41cdb56e64fa9ad0d
[INFO] running `Command { std: "docker" "start" "-a" "62091a65466f7c0eed780711537866350bd2c4979e6237b41cdb56e64fa9ad0d", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking day1-sonar-sweep v0.1.0 (/opt/rustwide/workdir/day1-sonar-sweep)
[INFO] [stderr]     Checking day16-packet-decoder v0.1.0 (/opt/rustwide/workdir/day16-packet-decoder)
[INFO] [stderr]     Checking day8-seven-segment-search v0.1.0 (/opt/rustwide/workdir/day8-seven-segment-search)
[INFO] [stderr]     Checking day10-syntax-scoring v0.1.0 (/opt/rustwide/workdir/day10-syntax-scoring)
[INFO] [stderr]     Checking day21-dirac-dice v0.1.0 (/opt/rustwide/workdir/day21-dirac-dice)
[INFO] [stderr]     Checking day13-transparent-origami v0.1.0 (/opt/rustwide/workdir/day13-transparent-origami)
[INFO] [stdout] warning: field `signal_patterns` is never read
[INFO] [stdout]   --> day8-seven-segment-search/src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Entry<'a> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 11 |     signal_patterns: Vec<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day3-binary-diagnostic v0.1.0 (/opt/rustwide/workdir/day3-binary-diagnostic)
[INFO] [stderr]     Checking day6-lanternfish v0.1.0 (/opt/rustwide/workdir/day6-lanternfish)
[INFO] [stderr]     Checking day9-smoke-basin v0.1.0 (/opt/rustwide/workdir/day9-smoke-basin)
[INFO] [stderr]     Checking day2-dive v0.1.0 (/opt/rustwide/workdir/day2-dive)
[INFO] [stderr]     Checking day25-sea-cucumber v0.1.0 (/opt/rustwide/workdir/day25-sea-cucumber)
[INFO] [stderr]     Checking day11-dumbo-octopus v0.1.0 (/opt/rustwide/workdir/day11-dumbo-octopus)
[INFO] [stderr]     Checking day7-the-treachery-of-whales v0.1.0 (/opt/rustwide/workdir/day7-the-treachery-of-whales)
[INFO] [stderr]     Checking day5-hydrothermal-venture v0.1.0 (/opt/rustwide/workdir/day5-hydrothermal-venture)
[INFO] [stdout] warning: field `signal_patterns` is never read
[INFO] [stdout]   --> day8-seven-segment-search/src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Entry<'a> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 11 |     signal_patterns: Vec<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day4-giant-squid v0.1.0 (/opt/rustwide/workdir/day4-giant-squid)
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking day17-trick-shot v0.1.0 (/opt/rustwide/workdir/day17-trick-shot)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "62091a65466f7c0eed780711537866350bd2c4979e6237b41cdb56e64fa9ad0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62091a65466f7c0eed780711537866350bd2c4979e6237b41cdb56e64fa9ad0d", kill_on_drop: false }`
[INFO] [stdout] 62091a65466f7c0eed780711537866350bd2c4979e6237b41cdb56e64fa9ad0d