[INFO] cloning repository https://github.com/Jerboas86/CodeOfAdvent2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jerboas86/CodeOfAdvent2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJerboas86%2FCodeOfAdvent2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJerboas86%2FCodeOfAdvent2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eb5308d733004e629a047421ad4c84dc888cc29
[INFO] checking Jerboas86/CodeOfAdvent2021 against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJerboas86%2FCodeOfAdvent2021" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jerboas86/CodeOfAdvent2021
[INFO] finished tweaking git repo https://github.com/Jerboas86/CodeOfAdvent2021
[INFO] tweaked toml for git repo https://github.com/Jerboas86/CodeOfAdvent2021 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jerboas86/CodeOfAdvent2021 on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jerboas86/CodeOfAdvent2021 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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "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]   |
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.5
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded memoffset v0.6.5
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.5
[INFO] [stderr]   Downloaded rayon v1.5.1
[INFO] [stderr]   Downloaded rayon-core v1.9.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.1
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29560fef34b8718ae0ecf8e2a12fff871dbc656b4433642eaf8e0f10adcf43a4
[INFO] running `Command { std: "docker" "start" "-a" "29560fef34b8718ae0ecf8e2a12fff871dbc656b4433642eaf8e0f10adcf43a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29560fef34b8718ae0ecf8e2a12fff871dbc656b4433642eaf8e0f10adcf43a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29560fef34b8718ae0ecf8e2a12fff871dbc656b4433642eaf8e0f10adcf43a4", kill_on_drop: false }`
[INFO] [stdout] 29560fef34b8718ae0ecf8e2a12fff871dbc656b4433642eaf8e0f10adcf43a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60dc25938db322bb5882f1198fdbde5962d17a30af9cc756c315ca6589dc109d
[INFO] running `Command { std: "docker" "start" "-a" "60dc25938db322bb5882f1198fdbde5962d17a30af9cc756c315ca6589dc109d", 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]   |
[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 autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking day5b v0.1.0 (/opt/rustwide/workdir/day5b)
[INFO] [stderr]     Checking day4b v0.1.0 (/opt/rustwide/workdir/day4b)
[INFO] [stderr]     Checking day6b v0.1.0 (/opt/rustwide/workdir/day6b)
[INFO] [stderr]     Checking day8b v0.1.0 (/opt/rustwide/workdir/day8b)
[INFO] [stderr]     Checking day2a v0.1.0 (/opt/rustwide/workdir/day2a)
[INFO] [stderr]     Checking day2b v0.1.0 (/opt/rustwide/workdir/day2b)
[INFO] [stderr]     Checking day7b v0.1.0 (/opt/rustwide/workdir/day7b)
[INFO] [stderr]     Checking day1a v0.1.0 (/opt/rustwide/workdir/day1a)
[INFO] [stderr]     Checking day5a v0.1.0 (/opt/rustwide/workdir/day5a)
[INFO] [stderr]     Checking day3b v0.1.0 (/opt/rustwide/workdir/day3b)
[INFO] [stderr]     Checking day8a v0.1.0 (/opt/rustwide/workdir/day8a)
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking day7a v0.1.0 (/opt/rustwide/workdir/day7a)
[INFO] [stderr]     Checking day3a v0.1.0 (/opt/rustwide/workdir/day3a)
[INFO] [stderr]     Checking day4a v0.1.0 (/opt/rustwide/workdir/day4a)
[INFO] [stdout] warning: function `mean` is never used
[INFO] [stdout]   --> day7a/src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn mean(positions: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day1b v0.1.0 (/opt/rustwide/workdir/day1b)
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stdout] warning: function `mean` is never used
[INFO] [stdout]   --> day7a/src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn mean(positions: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking day6a v0.1.0 (/opt/rustwide/workdir/day6a)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "60dc25938db322bb5882f1198fdbde5962d17a30af9cc756c315ca6589dc109d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60dc25938db322bb5882f1198fdbde5962d17a30af9cc756c315ca6589dc109d", kill_on_drop: false }`
[INFO] [stdout] 60dc25938db322bb5882f1198fdbde5962d17a30af9cc756c315ca6589dc109d