[INFO] cloning repository https://github.com/tyguius/levenshtein
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyguius/levenshtein" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyguius%2Flevenshtein", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyguius%2Flevenshtein'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d8a2dcc76b61d9cab698f21ef8e243320e482ff
[INFO] checking tyguius/levenshtein against master#561b5dea1e7e5c21f0fb550ca579229ceb878297 for pr-124661
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyguius%2Flevenshtein" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyguius/levenshtein on toolchain 561b5dea1e7e5c21f0fb550ca579229ceb878297
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tyguius/levenshtein
[INFO] finished tweaking git repo https://github.com/tyguius/levenshtein
[INFO] tweaked toml for git repo https://github.com/tyguius/levenshtein written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tyguius/levenshtein 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" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83391c5063a5bb6578c49213a374b293a4dd8faceff9446a9d2f7eaa97619782
[INFO] running `Command { std: "docker" "start" "-a" "83391c5063a5bb6578c49213a374b293a4dd8faceff9446a9d2f7eaa97619782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83391c5063a5bb6578c49213a374b293a4dd8faceff9446a9d2f7eaa97619782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83391c5063a5bb6578c49213a374b293a4dd8faceff9446a9d2f7eaa97619782", kill_on_drop: false }`
[INFO] [stdout] 83391c5063a5bb6578c49213a374b293a4dd8faceff9446a9d2f7eaa97619782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6695dc883ae9fd23e255bb21ea09b5f09d2852a91dc5b0799481e319e7ace979
[INFO] running `Command { std: "docker" "start" "-a" "6695dc883ae9fd23e255bb21ea09b5f09d2852a91dc5b0799481e319e7ace979", kill_on_drop: false }`
[INFO] [stderr]     Checking levenshtein v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut table = [[0u8;len_word1 + 1]; len_word2 + 1];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut table = [[0u8;len_word1 + 1]; len_word2 + 1];
[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] error: could not compile `levenshtein` (bin "levenshtein"); 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `levenshtein` (bin "levenshtein" test); 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6695dc883ae9fd23e255bb21ea09b5f09d2852a91dc5b0799481e319e7ace979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6695dc883ae9fd23e255bb21ea09b5f09d2852a91dc5b0799481e319e7ace979", kill_on_drop: false }`
[INFO] [stdout] 6695dc883ae9fd23e255bb21ea09b5f09d2852a91dc5b0799481e319e7ace979