[INFO] cloning repository https://github.com/feluxe/cnk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/feluxe/cnk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeluxe%2Fcnk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeluxe%2Fcnk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb712374542c76909862b997fd9fe046ed775fb9
[INFO] checking feluxe/cnk against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeluxe%2Fcnk" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/feluxe/cnk on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/feluxe/cnk
[INFO] finished tweaking git repo https://github.com/feluxe/cnk
[INFO] tweaked toml for git repo https://github.com/feluxe/cnk written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/feluxe/cnk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.1
[INFO] [stderr]   Downloaded cargo-watch v7.0.7
[INFO] [stderr]   Downloaded watchexec v1.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b026c2af64f440e732096379d591290f3d4521fa35cf9b8f5ced06956c1c06
[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" "28b026c2af64f440e732096379d591290f3d4521fa35cf9b8f5ced06956c1c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b026c2af64f440e732096379d591290f3d4521fa35cf9b8f5ced06956c1c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b026c2af64f440e732096379d591290f3d4521fa35cf9b8f5ced06956c1c06", kill_on_drop: false }`
[INFO] [stdout] 28b026c2af64f440e732096379d591290f3d4521fa35cf9b8f5ced06956c1c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d48570a1a591f32f517eb0c029e38a8bdb06568bb344f2ad96e5209a0336cbe3
[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" "d48570a1a591f32f517eb0c029e38a8bdb06568bb344f2ad96e5209a0336cbe3", kill_on_drop: false }`
[INFO] [stderr]     Checking cnk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `line_count`
[INFO] [stdout]   --> src/main.rs:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn get_confirmation(chunk_count: &usize, line_count: &usize, col_count: &usize) {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_count`
[INFO] [stdout]   --> src/main.rs:56:62
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn get_confirmation(chunk_count: &usize, line_count: &usize, col_count: &usize) {
[INFO] [stdout]    |                                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_count`
[INFO] [stdout]   --> src/main.rs:56:42
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn get_confirmation(chunk_count: &usize, line_count: &usize, col_count: &usize) {
[INFO] [stdout]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_count`
[INFO] [stdout]   --> src/main.rs:56:62
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn get_confirmation(chunk_count: &usize, line_count: &usize, col_count: &usize) {
[INFO] [stdout]    |                                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_count`
[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 0.79s
[INFO] running `Command { std: "docker" "inspect" "d48570a1a591f32f517eb0c029e38a8bdb06568bb344f2ad96e5209a0336cbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48570a1a591f32f517eb0c029e38a8bdb06568bb344f2ad96e5209a0336cbe3", kill_on_drop: false }`
[INFO] [stdout] d48570a1a591f32f517eb0c029e38a8bdb06568bb344f2ad96e5209a0336cbe3