[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] f23670620617fdbbaedd8530670f7a663d5c801c
[INFO] testing feluxe/cnk against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeluxe%2Fcnk" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/feluxe/cnk on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] ffd520f0180d1fb7fba497a6b9cee9b7a7a7c9af9bdd58a8cda9bf905a88c0ee
[INFO] running `Command { std: "docker" "start" "-a" "ffd520f0180d1fb7fba497a6b9cee9b7a7a7c9af9bdd58a8cda9bf905a88c0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd520f0180d1fb7fba497a6b9cee9b7a7a7c9af9bdd58a8cda9bf905a88c0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd520f0180d1fb7fba497a6b9cee9b7a7a7c9af9bdd58a8cda9bf905a88c0ee", kill_on_drop: false }`
[INFO] [stdout] ffd520f0180d1fb7fba497a6b9cee9b7a7a7c9af9bdd58a8cda9bf905a88c0ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318284debe94e39310f8f90d2550956ad4fa0c4a37013d3311d78654f765ee3d
[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" "318284debe94e39310f8f90d2550956ad4fa0c4a37013d3311d78654f765ee3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "318284debe94e39310f8f90d2550956ad4fa0c4a37013d3311d78654f765ee3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318284debe94e39310f8f90d2550956ad4fa0c4a37013d3311d78654f765ee3d", kill_on_drop: false }`
[INFO] [stdout] 318284debe94e39310f8f90d2550956ad4fa0c4a37013d3311d78654f765ee3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 420c51d491e2cdd2b6329b2a47e6b4039b636f94c4b608e6e269b1a6bde14c38
[INFO] running `Command { std: "docker" "start" "-a" "420c51d491e2cdd2b6329b2a47e6b4039b636f94c4b608e6e269b1a6bde14c38", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "420c51d491e2cdd2b6329b2a47e6b4039b636f94c4b608e6e269b1a6bde14c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420c51d491e2cdd2b6329b2a47e6b4039b636f94c4b608e6e269b1a6bde14c38", kill_on_drop: false }`
[INFO] [stdout] 420c51d491e2cdd2b6329b2a47e6b4039b636f94c4b608e6e269b1a6bde14c38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d995bcd292044f76762a500ce35afc79864b66fea8d0264b59b652defc4c2ccd
[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" "d995bcd292044f76762a500ce35afc79864b66fea8d0264b59b652defc4c2ccd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `line_count`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:56:42
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 56 | fn get_confirmation(chunk_count: &usize, line_count: &usize, col_count: &usize) {
[INFO] [stdout] 
[INFO] [stderr]    |                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_count`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col_count`
[INFO] [stderr]   --> src/main.rs:56:62
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn get_confirmation(chunk_count: &usize, line_count: &usize, col_count: &usize) {
[INFO] [stderr]    |                                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_count`
[INFO] [stderr] 
[INFO] [stderr] warning: `cnk` (bin "cnk" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cnk-b2ee0a0aab018ef0)
[INFO] running `Command { std: "docker" "inspect" "d995bcd292044f76762a500ce35afc79864b66fea8d0264b59b652defc4c2ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d995bcd292044f76762a500ce35afc79864b66fea8d0264b59b652defc4c2ccd", kill_on_drop: false }`
[INFO] [stdout] d995bcd292044f76762a500ce35afc79864b66fea8d0264b59b652defc4c2ccd