[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#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[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 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c72172cf39e4c1af85199ad89cea085c37237fcdcacc097ec374c5e5bf3c9bff
[INFO] running `Command { std: "docker" "start" "-a" "c72172cf39e4c1af85199ad89cea085c37237fcdcacc097ec374c5e5bf3c9bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c72172cf39e4c1af85199ad89cea085c37237fcdcacc097ec374c5e5bf3c9bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72172cf39e4c1af85199ad89cea085c37237fcdcacc097ec374c5e5bf3c9bff", kill_on_drop: false }`
[INFO] [stdout] c72172cf39e4c1af85199ad89cea085c37237fcdcacc097ec374c5e5bf3c9bff
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1d8a25f950d3a5da67e6dae932b4bb3918b1c423d15b24d035fd55f6c2fee9b
[INFO] running `Command { std: "docker" "start" "-a" "c1d8a25f950d3a5da67e6dae932b4bb3918b1c423d15b24d035fd55f6c2fee9b", 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 0.40s
[INFO] running `Command { std: "docker" "inspect" "c1d8a25f950d3a5da67e6dae932b4bb3918b1c423d15b24d035fd55f6c2fee9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d8a25f950d3a5da67e6dae932b4bb3918b1c423d15b24d035fd55f6c2fee9b", kill_on_drop: false }`
[INFO] [stdout] c1d8a25f950d3a5da67e6dae932b4bb3918b1c423d15b24d035fd55f6c2fee9b