[INFO] cloning repository https://github.com/whichxjy/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whichxjy/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhichxjy%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhichxjy%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a76ea99cf8356dc74343893e5e2fbac3ac2313f
[INFO] checking whichxjy/aoc-2020 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhichxjy%2Faoc-2020" "/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/whichxjy/aoc-2020 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/whichxjy/aoc-2020
[INFO] finished tweaking git repo https://github.com/whichxjy/aoc-2020
[INFO] tweaked toml for git repo https://github.com/whichxjy/aoc-2020 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/whichxjy/aoc-2020 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b9b976d5568ac7c3f07e78afec9ff44af25eb60abf515f446b756394b6538f4
[INFO] running `Command { std: "docker" "start" "-a" "4b9b976d5568ac7c3f07e78afec9ff44af25eb60abf515f446b756394b6538f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9b976d5568ac7c3f07e78afec9ff44af25eb60abf515f446b756394b6538f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9b976d5568ac7c3f07e78afec9ff44af25eb60abf515f446b756394b6538f4", kill_on_drop: false }`
[INFO] [stdout] 4b9b976d5568ac7c3f07e78afec9ff44af25eb60abf515f446b756394b6538f4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aafd4b7cda08f4b1caf7684286aca033235b5be21b3ef53d97dbc9a91338aad
[INFO] running `Command { std: "docker" "start" "-a" "9aafd4b7cda08f4b1caf7684286aca033235b5be21b3ef53d97dbc9a91338aad", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking day-08 v0.1.0 (/opt/rustwide/workdir/day-08)
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]     Checking day-11 v0.1.0 (/opt/rustwide/workdir/day-11)
[INFO] [stderr]     Checking day-12 v0.1.0 (/opt/rustwide/workdir/day-12)
[INFO] [stderr]     Checking day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]     Checking day-09 v0.1.0 (/opt/rustwide/workdir/day-09)
[INFO] [stderr]     Checking day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]     Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]     Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]     Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "9aafd4b7cda08f4b1caf7684286aca033235b5be21b3ef53d97dbc9a91338aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aafd4b7cda08f4b1caf7684286aca033235b5be21b3ef53d97dbc9a91338aad", kill_on_drop: false }`
[INFO] [stdout] 9aafd4b7cda08f4b1caf7684286aca033235b5be21b3ef53d97dbc9a91338aad