[INFO] cloning repository https://github.com/almendar/levenshtein-rust-mr-tadeusz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/almendar/levenshtein-rust-mr-tadeusz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falmendar%2Flevenshtein-rust-mr-tadeusz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falmendar%2Flevenshtein-rust-mr-tadeusz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ace0b84df9692a7f744a453996278304fd8af83
[INFO] checking almendar/levenshtein-rust-mr-tadeusz against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falmendar%2Flevenshtein-rust-mr-tadeusz" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/almendar/levenshtein-rust-mr-tadeusz on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/almendar/levenshtein-rust-mr-tadeusz
[INFO] finished tweaking git repo https://github.com/almendar/levenshtein-rust-mr-tadeusz
[INFO] tweaked toml for git repo https://github.com/almendar/levenshtein-rust-mr-tadeusz written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/almendar/levenshtein-rust-mr-tadeusz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d0853ebe39204462fa14e329f1d51a82e2580dcae6694a3a7081240a08dd9b6
[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" "7d0853ebe39204462fa14e329f1d51a82e2580dcae6694a3a7081240a08dd9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d0853ebe39204462fa14e329f1d51a82e2580dcae6694a3a7081240a08dd9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0853ebe39204462fa14e329f1d51a82e2580dcae6694a3a7081240a08dd9b6", kill_on_drop: false }`
[INFO] [stdout] 7d0853ebe39204462fa14e329f1d51a82e2580dcae6694a3a7081240a08dd9b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 172c9341543396ea71922e2e988a98285e3933bd9407ff787f484cafb69ebf92
[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" "172c9341543396ea71922e2e988a98285e3933bd9407ff787f484cafb69ebf92", kill_on_drop: false }`
[INFO] [stderr]     Checking levenshtein-rust-mr-tadeusz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]  --> src/words.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...                   .into_iter()
[INFO] [stdout]   |                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]  --> src/words.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...                   .into_iter()
[INFO] [stdout]   |                        ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "172c9341543396ea71922e2e988a98285e3933bd9407ff787f484cafb69ebf92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172c9341543396ea71922e2e988a98285e3933bd9407ff787f484cafb69ebf92", kill_on_drop: false }`
[INFO] [stdout] 172c9341543396ea71922e2e988a98285e3933bd9407ff787f484cafb69ebf92