[INFO] cloning repository https://github.com/valo/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/valo/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalo%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalo%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36ec33406c12ba96266e57ab9d8cb04ab1ea9b11
[INFO] checking valo/advent_of_code against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalo%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] validating manifest of git repo https://github.com/valo/advent_of_code on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/valo/advent_of_code
[INFO] finished tweaking git repo https://github.com/valo/advent_of_code
[INFO] tweaked toml for git repo https://github.com/valo/advent_of_code written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/valo/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" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cd5eb1d25b82ee3d513c89aba024da4aa3b1cc5d442b8f5d6bf13b2b00ce438
[INFO] running `Command { std: "docker" "start" "-a" "8cd5eb1d25b82ee3d513c89aba024da4aa3b1cc5d442b8f5d6bf13b2b00ce438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cd5eb1d25b82ee3d513c89aba024da4aa3b1cc5d442b8f5d6bf13b2b00ce438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd5eb1d25b82ee3d513c89aba024da4aa3b1cc5d442b8f5d6bf13b2b00ce438", kill_on_drop: false }`
[INFO] [stdout] 8cd5eb1d25b82ee3d513c89aba024da4aa3b1cc5d442b8f5d6bf13b2b00ce438
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 324b33c4624d1e04b142ca6c50de8cfb4e34ba8f58a4d30c8e65de74783de7da
[INFO] running `Command { std: "docker" "start" "-a" "324b33c4624d1e04b142ca6c50de8cfb4e34ba8f58a4d30c8e65de74783de7da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/bin/day14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/bin/day14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> src/bin/day14.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn print_grid(grid: &Vec<Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> src/bin/day14.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn print_grid(grid: &Vec<Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.57s
[INFO] running `Command { std: "docker" "inspect" "324b33c4624d1e04b142ca6c50de8cfb4e34ba8f58a4d30c8e65de74783de7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324b33c4624d1e04b142ca6c50de8cfb4e34ba8f58a4d30c8e65de74783de7da", kill_on_drop: false }`
[INFO] [stdout] 324b33c4624d1e04b142ca6c50de8cfb4e34ba8f58a4d30c8e65de74783de7da