[INFO] cloning repository https://github.com/larsmoil/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/larsmoil/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarsmoil%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarsmoil%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f42d5c9837fefc72109163cea3275b857eaf3e36
[INFO] checking larsmoil/adventofcode2020 against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarsmoil%2Fadventofcode2020" "/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/larsmoil/adventofcode2020
[INFO] finished tweaking git repo https://github.com/larsmoil/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/larsmoil/adventofcode2020 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/larsmoil/adventofcode2020 on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/larsmoil/adventofcode2020 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "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 array_tool v1.0.3
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eedaf53fb8bd43b6933b8f46e7f8302d0ca1a358dd12b113a371de6aa0c39b0f
[INFO] running `Command { std: "docker" "start" "-a" "eedaf53fb8bd43b6933b8f46e7f8302d0ca1a358dd12b113a371de6aa0c39b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eedaf53fb8bd43b6933b8f46e7f8302d0ca1a358dd12b113a371de6aa0c39b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eedaf53fb8bd43b6933b8f46e7f8302d0ca1a358dd12b113a371de6aa0c39b0f", kill_on_drop: false }`
[INFO] [stdout] eedaf53fb8bd43b6933b8f46e7f8302d0ca1a358dd12b113a371de6aa0c39b0f
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5117e060e4e1acadc01e3a7cb004b9577e717d18640033086802b775ab1f42fc
[INFO] running `Command { std: "docker" "start" "-a" "5117e060e4e1acadc01e3a7cb004b9577e717d18640033086802b775ab1f42fc", kill_on_drop: false }`
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]     Checking adventofcode-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `example_input`
[INFO] [stdout]  --> src/day01.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use crate::expenses::{example_input, input, sums_to};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day04.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut entries = passport
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day04.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut entries = passport
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "5117e060e4e1acadc01e3a7cb004b9577e717d18640033086802b775ab1f42fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5117e060e4e1acadc01e3a7cb004b9577e717d18640033086802b775ab1f42fc", kill_on_drop: false }`
[INFO] [stdout] 5117e060e4e1acadc01e3a7cb004b9577e717d18640033086802b775ab1f42fc
