[INFO] cloning repository https://github.com/danielsyang/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/danielsyang/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielsyang%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielsyang%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d67b9ecdf5f931e714b5d8b540684a8855668022
[INFO] checking danielsyang/advent_of_code against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielsyang%2Fadvent_of_code" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danielsyang/advent_of_code
[INFO] finished tweaking git repo https://github.com/danielsyang/advent_of_code
[INFO] tweaked toml for git repo https://github.com/danielsyang/advent_of_code written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danielsyang/advent_of_code on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danielsyang/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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42b0840deaedc90f367efba86ed0264c8733f816c5d889ee41f1c2cd32313448
[INFO] running `Command { std: "docker" "start" "-a" "42b0840deaedc90f367efba86ed0264c8733f816c5d889ee41f1c2cd32313448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42b0840deaedc90f367efba86ed0264c8733f816c5d889ee41f1c2cd32313448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b0840deaedc90f367efba86ed0264c8733f816c5d889ee41f1c2cd32313448", kill_on_drop: false }`
[INFO] [stdout] 42b0840deaedc90f367efba86ed0264c8733f816c5d889ee41f1c2cd32313448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d8d161337ec8f0a9a93f5501eae8cb73c42d4a2b8ad732c1e153c18194ddc6f
[INFO] running `Command { std: "docker" "start" "-a" "9d8d161337ec8f0a9a93f5501eae8cb73c42d4a2b8ad732c1e153c18194ddc6f", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking fs-err v2.9.0
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking eyre v0.6.8
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/day_five/stack.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `Command { std: "docker" "inspect" "9d8d161337ec8f0a9a93f5501eae8cb73c42d4a2b8ad732c1e153c18194ddc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8d161337ec8f0a9a93f5501eae8cb73c42d4a2b8ad732c1e153c18194ddc6f", kill_on_drop: false }`
[INFO] [stdout] 9d8d161337ec8f0a9a93f5501eae8cb73c42d4a2b8ad732c1e153c18194ddc6f