[INFO] cloning repository https://github.com/dragazo/wordle-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dragazo/wordle-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragazo%2Fwordle-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragazo%2Fwordle-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b461e562c3a0a2cb8120e0c868b945c983291c98
[INFO] checking dragazo/wordle-solver against master#3f28fe133475ec5faf3413b556bf3cfb0d51336c for pr-112365-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragazo%2Fwordle-solver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dragazo/wordle-solver on toolchain 3f28fe133475ec5faf3413b556bf3cfb0d51336c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f28fe133475ec5faf3413b556bf3cfb0d51336c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dragazo/wordle-solver
[INFO] finished tweaking git repo https://github.com/dragazo/wordle-solver
[INFO] tweaked toml for git repo https://github.com/dragazo/wordle-solver written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dragazo/wordle-solver 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" "+3f28fe133475ec5faf3413b556bf3cfb0d51336c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking dragazo/wordle-solver against try#2eb702bf20a12c67e5629a5c82890c910c267bd9 for pr-112365-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragazo%2Fwordle-solver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dragazo/wordle-solver on toolchain 2eb702bf20a12c67e5629a5c82890c910c267bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dragazo/wordle-solver
[INFO] finished tweaking git repo https://github.com/dragazo/wordle-solver
[INFO] tweaked toml for git repo https://github.com/dragazo/wordle-solver written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dragazo/wordle-solver 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" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.1.2
[INFO] [stderr]   Downloaded clap v3.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3be4fda6c2e78c2a36794abeb7399a6fe4ed6c0ea2c1bed76025202eb271d77
[INFO] running `Command { std: "docker" "start" "-a" "b3be4fda6c2e78c2a36794abeb7399a6fe4ed6c0ea2c1bed76025202eb271d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3be4fda6c2e78c2a36794abeb7399a6fe4ed6c0ea2c1bed76025202eb271d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3be4fda6c2e78c2a36794abeb7399a6fe4ed6c0ea2c1bed76025202eb271d77", kill_on_drop: false }`
[INFO] [stdout] b3be4fda6c2e78c2a36794abeb7399a6fe4ed6c0ea2c1bed76025202eb271d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2eb702bf20a12c67e5629a5c82890c910c267bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fe3f0b2804e199271e7549b08fa52666e8f8173d53e4b7c19df8b9e771916a7
[INFO] running `Command { std: "docker" "start" "-a" "0fe3f0b2804e199271e7549b08fa52666e8f8173d53e4b7c19df8b9e771916a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling crossbeam-queue v0.3.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.2
[INFO] [stderr]     Checking clap v3.1.2
[INFO] [stderr]     Checking wordle-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |             let mut letter_counts = &mut self.letter_counts[ch as usize];
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:286:17
[INFO] [stdout]     |
[INFO] [stdout] 286 |             let mut letter_counts = &mut self.letter_counts[ch as usize];
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "0fe3f0b2804e199271e7549b08fa52666e8f8173d53e4b7c19df8b9e771916a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe3f0b2804e199271e7549b08fa52666e8f8173d53e4b7c19df8b9e771916a7", kill_on_drop: false }`
[INFO] [stdout] 0fe3f0b2804e199271e7549b08fa52666e8f8173d53e4b7c19df8b9e771916a7