[INFO] cloning repository https://github.com/naveedhd/advent-of-code-2021-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naveedhd/advent-of-code-2021-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaveedhd%2Fadvent-of-code-2021-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaveedhd%2Fadvent-of-code-2021-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cfe6f04f52637c3e95174a535312c9ecce61d1d
[INFO] checking naveedhd/advent-of-code-2021-rust against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaveedhd%2Fadvent-of-code-2021-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/naveedhd/advent-of-code-2021-rust
[INFO] finished tweaking git repo https://github.com/naveedhd/advent-of-code-2021-rust
[INFO] tweaked toml for git repo https://github.com/naveedhd/advent-of-code-2021-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/naveedhd/advent-of-code-2021-rust on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/naveedhd/advent-of-code-2021-rust 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded counter v0.5.4
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded syn v1.0.84
[INFO] [stderr]   Downloaded itertools v0.10.3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6446a0050711334f52a696e77ab0ee8bbac1479ff45c4297dacf20ce309b466c
[INFO] running `Command { std: "docker" "start" "-a" "6446a0050711334f52a696e77ab0ee8bbac1479ff45c4297dacf20ce309b466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6446a0050711334f52a696e77ab0ee8bbac1479ff45c4297dacf20ce309b466c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6446a0050711334f52a696e77ab0ee8bbac1479ff45c4297dacf20ce309b466c", kill_on_drop: false }`
[INFO] [stdout] 6446a0050711334f52a696e77ab0ee8bbac1479ff45c4297dacf20ce309b466c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bdcf49cf21930b14e810d2a8efd493f8ceb8f24a65f1483c94d332250d2dd80
[INFO] running `Command { std: "docker" "start" "-a" "2bdcf49cf21930b14e810d2a8efd493f8ceb8f24a65f1483c94d332250d2dd80", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking counter v0.5.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/day08/mod.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |         .filter(|&digit_len| (digit_len == 2 || digit_len == 3 || digit_len == 4 || digit_len == 7))
[INFO] [stdout]    |                              ^                                                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -         .filter(|&digit_len| (digit_len == 2 || digit_len == 3 || digit_len == 4 || digit_len == 7))
[INFO] [stdout] 41 +         .filter(|&digit_len| digit_len == 2 || digit_len == 3 || digit_len == 4 || digit_len == 7)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/day08/mod.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |         .filter(|&digit_len| (digit_len == 2 || digit_len == 3 || digit_len == 4 || digit_len == 7))
[INFO] [stdout]    |                              ^                                                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -         .filter(|&digit_len| (digit_len == 2 || digit_len == 3 || digit_len == 4 || digit_len == 7))
[INFO] [stdout] 41 +         .filter(|&digit_len| digit_len == 2 || digit_len == 3 || digit_len == 4 || digit_len == 7)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "2bdcf49cf21930b14e810d2a8efd493f8ceb8f24a65f1483c94d332250d2dd80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdcf49cf21930b14e810d2a8efd493f8ceb8f24a65f1483c94d332250d2dd80", kill_on_drop: false }`
[INFO] [stdout] 2bdcf49cf21930b14e810d2a8efd493f8ceb8f24a65f1483c94d332250d2dd80