[INFO] cloning repository https://github.com/dyens/textdistance
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dyens/textdistance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyens%2Ftextdistance", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyens%2Ftextdistance'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec654918fcc6af41cc9c7d0bf20de7ba68d07aa2
[INFO] checking dyens/textdistance against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyens%2Ftextdistance" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dyens/textdistance on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dyens/textdistance
[INFO] finished tweaking git repo https://github.com/dyens/textdistance
[INFO] tweaked toml for git repo https://github.com/dyens/textdistance written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dyens/textdistance already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db901dbb06541b8520800cb4272b392097d07460266a7f3479c509b66e011f7a
[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" "db901dbb06541b8520800cb4272b392097d07460266a7f3479c509b66e011f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db901dbb06541b8520800cb4272b392097d07460266a7f3479c509b66e011f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db901dbb06541b8520800cb4272b392097d07460266a7f3479c509b66e011f7a", kill_on_drop: false }`
[INFO] [stdout] db901dbb06541b8520800cb4272b392097d07460266a7f3479c509b66e011f7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e397dbe41e920f43d09c3021d937eeb5c6133f61014bf6fcce20c8cf2a96c34f
[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" "e397dbe41e920f43d09c3021d937eeb5c6133f61014bf6fcce20c8cf2a96c34f", kill_on_drop: false }`
[INFO] [stderr]     Checking textdistance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TextDistanceError`, `ValueError`
[INFO] [stdout]   --> src/edit_based/hamming.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::error::{TextDistanceError, ValueError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TextDistanceError`, `ValueError`
[INFO] [stdout]   --> src/edit_based/hamming.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::error::{TextDistanceError, ValueError};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/edit_based/hamming.rs:104:43
[INFO] [stdout]     |
[INFO] [stdout] 104 |     extern "rust-call" fn call_once(self, args: (u32, u32)) -> Self::Output {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/edit_based/hamming.rs:104:43
[INFO] [stdout]     |
[INFO] [stdout] 104 |     extern "rust-call" fn call_once(self, args: (u32, u32)) -> Self::Output {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "e397dbe41e920f43d09c3021d937eeb5c6133f61014bf6fcce20c8cf2a96c34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e397dbe41e920f43d09c3021d937eeb5c6133f61014bf6fcce20c8cf2a96c34f", kill_on_drop: false }`
[INFO] [stdout] e397dbe41e920f43d09c3021d937eeb5c6133f61014bf6fcce20c8cf2a96c34f