[INFO] cloning repository https://github.com/coreyja/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coreyja/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreyja%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreyja%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1658a353fa49caf2eff3589be1131f80c29e8479
[INFO] checking coreyja/advent-of-code-2020 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreyja%2Fadvent-of-code-2020" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coreyja/advent-of-code-2020 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coreyja/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/coreyja/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/coreyja/advent-of-code-2020 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/coreyja/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c90db4ed6e0a2912a625a8a4f93b279f4ac8cedb6d0c445d477ec49e797c769e
[INFO] running `Command { std: "docker" "start" "-a" "c90db4ed6e0a2912a625a8a4f93b279f4ac8cedb6d0c445d477ec49e797c769e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c90db4ed6e0a2912a625a8a4f93b279f4ac8cedb6d0c445d477ec49e797c769e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90db4ed6e0a2912a625a8a4f93b279f4ac8cedb6d0c445d477ec49e797c769e", kill_on_drop: false }`
[INFO] [stdout] c90db4ed6e0a2912a625a8a4f93b279f4ac8cedb6d0c445d477ec49e797c769e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff8e5e78d40e04d7f3664925a92ae7973457a8abc07fcd6179c9ae8cccd0da37
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff8e5e78d40e04d7f3664925a92ae7973457a8abc07fcd6179c9ae8cccd0da37", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking password-philosophy v0.1.0 (/opt/rustwide/workdir/2-password-philosophy)
[INFO] [stderr]     Checking binary-boarding v0.1.0 (/opt/rustwide/workdir/5-binary-boarding)
[INFO] [stderr]     Checking handheld-halting v0.1.0 (/opt/rustwide/workdir/8-handheld-halting)
[INFO] [stderr]     Checking report-repair v0.1.0 (/opt/rustwide/workdir/1-report-repair)
[INFO] [stderr]     Checking custom-customs v0.1.0 (/opt/rustwide/workdir/6-custom-customs)
[INFO] [stderr]     Checking toboggan-trajectory v0.1.0 (/opt/rustwide/workdir/3-toboggan-trajectory)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking handy-haversacks v0.1.0 (/opt/rustwide/workdir/7-handy-haversacks)
[INFO] [stderr]     Checking passport-processing v0.1.0 (/opt/rustwide/workdir/4-passport-processing)
[INFO] [stdout] warning: field is never read: `cid`
[INFO] [stdout]   --> 4-passport-processing/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cid`
[INFO] [stdout]   --> 4-passport-processing/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     cid: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "ff8e5e78d40e04d7f3664925a92ae7973457a8abc07fcd6179c9ae8cccd0da37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8e5e78d40e04d7f3664925a92ae7973457a8abc07fcd6179c9ae8cccd0da37", kill_on_drop: false }`
[INFO] [stdout] ff8e5e78d40e04d7f3664925a92ae7973457a8abc07fcd6179c9ae8cccd0da37