[INFO] cloning repository https://github.com/DanielBok/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielBok/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielBok%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielBok%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a12fff81958e77fe56e92b2a3636f76e83eb23a
[INFO] checking DanielBok/advent-of-code against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielBok%2Fadvent-of-code" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanielBok/advent-of-code 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/DanielBok/advent-of-code
[INFO] finished tweaking git repo https://github.com/DanielBok/advent-of-code
[INFO] tweaked toml for git repo https://github.com/DanielBok/advent-of-code written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DanielBok/advent-of-code 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon v1.8.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 938b7ed4cb1018b9fe3b39c9b67ef1287d499917a200cdfc6d127efdae501a67
[INFO] running `Command { std: "docker" "start" "-a" "938b7ed4cb1018b9fe3b39c9b67ef1287d499917a200cdfc6d127efdae501a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "938b7ed4cb1018b9fe3b39c9b67ef1287d499917a200cdfc6d127efdae501a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938b7ed4cb1018b9fe3b39c9b67ef1287d499917a200cdfc6d127efdae501a67", kill_on_drop: false }`
[INFO] [stdout] 938b7ed4cb1018b9fe3b39c9b67ef1287d499917a200cdfc6d127efdae501a67
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 048c7c917d735e6fa22336b721e1a49b0e5a193d4277d9950fc8edd35bdf16ce
[INFO] running `Command { std: "docker" "start" "-a" "048c7c917d735e6fa22336b721e1a49b0e5a193d4277d9950fc8edd35bdf16ce", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking aoc_macros v0.1.0 (/opt/rustwide/workdir/aoc_macros)
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking y2019 v0.1.0 (/opt/rustwide/workdir/y2019)
[INFO] [stderr]     Checking y2021 v0.1.0 (/opt/rustwide/workdir/y2021)
[INFO] [stderr]     Checking y2020 v0.1.0 (/opt/rustwide/workdir/y2020)
[INFO] [stderr]     Checking y2017 v0.1.0 (/opt/rustwide/workdir/y2017)
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> y2019/src/d1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> y2019/src/d3.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> y2019/src/d1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> y2019/src/d3.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir/aoc)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.65s
[INFO] running `Command { std: "docker" "inspect" "048c7c917d735e6fa22336b721e1a49b0e5a193d4277d9950fc8edd35bdf16ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048c7c917d735e6fa22336b721e1a49b0e5a193d4277d9950fc8edd35bdf16ce", kill_on_drop: false }`
[INFO] [stdout] 048c7c917d735e6fa22336b721e1a49b0e5a193d4277d9950fc8edd35bdf16ce