[INFO] fetching crate nkowne63-wordle-solver-rs-01 1.0.1...
[INFO] checking nkowne63-wordle-solver-rs-01-1.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate nkowne63-wordle-solver-rs-01 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate nkowne63-wordle-solver-rs-01 1.0.1
[INFO] finished tweaking crates.io crate nkowne63-wordle-solver-rs-01 1.0.1
[INFO] tweaked toml for crates.io crate nkowne63-wordle-solver-rs-01 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nkowne63-wordle-solver-rs-01 1.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nkowne63-wordle-solver-rs-01 1.0.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline-derive v0.4.0
[INFO] [stderr]   Downloaded repl-rs v0.2.6
[INFO] [stderr]   Downloaded nix v0.21.2
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] [stderr]   Downloaded libc v0.2.116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36ff40d7ef43a6ad56d29a9c8ebdfe24c948a2d3488ab304a42c80a65eb8ae40
[INFO] running `Command { std: "docker" "start" "-a" "36ff40d7ef43a6ad56d29a9c8ebdfe24c948a2d3488ab304a42c80a65eb8ae40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36ff40d7ef43a6ad56d29a9c8ebdfe24c948a2d3488ab304a42c80a65eb8ae40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ff40d7ef43a6ad56d29a9c8ebdfe24c948a2d3488ab304a42c80a65eb8ae40", kill_on_drop: false }`
[INFO] [stdout] 36ff40d7ef43a6ad56d29a9c8ebdfe24c948a2d3488ab304a42c80a65eb8ae40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d5b51f4d077bbd82b16be7d473d9774857c13c39386bae0ecfb1463ed66dbb
[INFO] running `Command { std: "docker" "start" "-a" "e7d5b51f4d077bbd82b16be7d473d9774857c13c39386bae0ecfb1463ed66dbb", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking nkowne63-wordle-solver-rs-01 v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tactics/avg_info_max.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let mut board = Board::new(CANDITATES.get_canditates(), CANDITATES.get_all_words());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "e7d5b51f4d077bbd82b16be7d473d9774857c13c39386bae0ecfb1463ed66dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d5b51f4d077bbd82b16be7d473d9774857c13c39386bae0ecfb1463ed66dbb", kill_on_drop: false }`
[INFO] [stdout] e7d5b51f4d077bbd82b16be7d473d9774857c13c39386bae0ecfb1463ed66dbb