[INFO] cloning repository https://github.com/Fr0benius/advent2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fr0benius/advent2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFr0benius%2Fadvent2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFr0benius%2Fadvent2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c4413c4d52a9e5cf6270a2975985fec66c9e768
[INFO] checking Fr0benius/advent2021 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFr0benius%2Fadvent2021" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fr0benius/advent2021 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fr0benius/advent2021
[INFO] finished tweaking git repo https://github.com/Fr0benius/advent2021
[INFO] tweaked toml for git repo https://github.com/Fr0benius/advent2021 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Fr0benius/advent2021 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de9726f0e07a8fbd77f6a5d203e5ed087867cfc9e23c8b5559c1df83361d3b12
[INFO] running `Command { std: "docker" "start" "-a" "de9726f0e07a8fbd77f6a5d203e5ed087867cfc9e23c8b5559c1df83361d3b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9726f0e07a8fbd77f6a5d203e5ed087867cfc9e23c8b5559c1df83361d3b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9726f0e07a8fbd77f6a5d203e5ed087867cfc9e23c8b5559c1df83361d3b12", kill_on_drop: false }`
[INFO] [stdout] de9726f0e07a8fbd77f6a5d203e5ed087867cfc9e23c8b5559c1df83361d3b12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fccdbb1eb1b62c7b0c099d098d9bfa77f9aee68e6487963662fa0d063a0853a
[INFO] running `Command { std: "docker" "start" "-a" "9fccdbb1eb1b62c7b0c099d098d9bfa77f9aee68e6487963662fa0d063a0853a", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking advent2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/util/counter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/util/cellular_auto.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp::Eq, collections::HashSet, hash::Hash};
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/util/counter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]  --> src/util/cellular_auto.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp::Eq, collections::HashSet, hash::Hash};
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "9fccdbb1eb1b62c7b0c099d098d9bfa77f9aee68e6487963662fa0d063a0853a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fccdbb1eb1b62c7b0c099d098d9bfa77f9aee68e6487963662fa0d063a0853a", kill_on_drop: false }`
[INFO] [stdout] 9fccdbb1eb1b62c7b0c099d098d9bfa77f9aee68e6487963662fa0d063a0853a