[INFO] cloning repository https://github.com/uptonm/cch-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uptonm/cch-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuptonm%2Fcch-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuptonm%2Fcch-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56977ed0e9c909bb84e1ef29f01c81cde8eaf1e3
[INFO] checking uptonm/cch-2024 against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuptonm%2Fcch-2024" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uptonm/cch-2024
[INFO] finished tweaking git repo https://github.com/uptonm/cch-2024
[INFO] tweaked toml for git repo https://github.com/uptonm/cch-2024 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uptonm/cch-2024 on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uptonm/cch-2024 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" "+b66808126f24f2f30898306a881e1676824ea80c" "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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c8a07d0546fda60e364015250f3d6a63755327d8cb015d50ab6e1c3a6cc3e160
[INFO] running `Command { std: "docker" "start" "c8a07d0546fda60e364015250f3d6a63755327d8cb015d50ab6e1c3a6cc3e160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8a07d0546fda60e364015250f3d6a63755327d8cb015d50ab6e1c3a6cc3e160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c8a07d0546fda60e364015250f3d6a63755327d8cb015d50ab6e1c3a6cc3e160" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8a07d0546fda60e364015250f3d6a63755327d8cb015d50ab6e1c3a6cc3e160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c8a07d0546fda60e364015250f3d6a63755327d8cb015d50ab6e1c3a6cc3e160" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: value assigned to `lockfile` is never read
[INFO] [stdout]    --> src/modules/day_twenty_three.rs:251:42
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut lockfile: Option<Lockfile> = None;
[INFO] [stdout]     |                                          ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 254 |             lockfile = Some(parsed);
[INFO] [stdout]     |             -------- `lockfile` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `lockfile` is never read
[INFO] [stdout]    --> src/modules/day_twenty_three.rs:251:42
[INFO] [stdout]     |
[INFO] [stdout] 251 |     let mut lockfile: Option<Lockfile> = None;
[INFO] [stdout]     |                                          ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 254 |             lockfile = Some(parsed);
[INFO] [stdout]     |             -------- `lockfile` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils/connect_four.rs:273:13
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let mut game = Connect4::new();
[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 2m 35s
[INFO] running `Command { std: "docker" "inspect" "c8a07d0546fda60e364015250f3d6a63755327d8cb015d50ab6e1c3a6cc3e160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a07d0546fda60e364015250f3d6a63755327d8cb015d50ab6e1c3a6cc3e160", kill_on_drop: false }`
[INFO] [stdout] c8a07d0546fda60e364015250f3d6a63755327d8cb015d50ab6e1c3a6cc3e160
