[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 beta-2021-09-08 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-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/feluxe/cnk on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-7/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded tokio-io v0.1.10
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded fsevent v0.2.17
[INFO] [stderr]   Downloaded fsevent-sys v0.1.6
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded slab v0.4.1
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded tokio-executor v0.1.5
[INFO] [stderr]   Downloaded filetime v0.2.1
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded lazycell v1.2.0
[INFO] [stderr]   Downloaded cargo-watch v7.0.7
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded notify v4.0.6
[INFO] [stderr]   Downloaded watchexec v1.9.2
[INFO] [stderr]   Downloaded globset v0.4.2
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded walkdir v2.2.6
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded tokio-reactor v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "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] ec520303bdf745791242a3fe980dc8767d7233d28111c860d7f11a58ba8de8ff
[INFO] running `Command { std: "docker" "start" "-a" "ec520303bdf745791242a3fe980dc8767d7233d28111c860d7f11a58ba8de8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec520303bdf745791242a3fe980dc8767d7233d28111c860d7f11a58ba8de8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec520303bdf745791242a3fe980dc8767d7233d28111c860d7f11a58ba8de8ff", kill_on_drop: false }`
[INFO] [stdout] ec520303bdf745791242a3fe980dc8767d7233d28111c860d7f11a58ba8de8ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49f8b7bd800de84bf316feb18d1e22d6bcd1467d62e926f684a39e85282e0c62
[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" "49f8b7bd800de84bf316feb18d1e22d6bcd1467d62e926f684a39e85282e0c62", 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 dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "49f8b7bd800de84bf316feb18d1e22d6bcd1467d62e926f684a39e85282e0c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f8b7bd800de84bf316feb18d1e22d6bcd1467d62e926f684a39e85282e0c62", kill_on_drop: false }`
[INFO] [stdout] 49f8b7bd800de84bf316feb18d1e22d6bcd1467d62e926f684a39e85282e0c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "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] 6153fefc69b5d9aae79ef616e670bf3bcd60eb6f2a9a0902f804baac2a23b450
[INFO] running `Command { std: "docker" "start" "-a" "6153fefc69b5d9aae79ef616e670bf3bcd60eb6f2a9a0902f804baac2a23b450", kill_on_drop: false }`
[INFO] [stderr] warning: cnk v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[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 1.24s
[INFO] running `Command { std: "docker" "inspect" "6153fefc69b5d9aae79ef616e670bf3bcd60eb6f2a9a0902f804baac2a23b450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6153fefc69b5d9aae79ef616e670bf3bcd60eb6f2a9a0902f804baac2a23b450", kill_on_drop: false }`
[INFO] [stdout] 6153fefc69b5d9aae79ef616e670bf3bcd60eb6f2a9a0902f804baac2a23b450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a08016760210ec92b45359fd928480b33f85f5f8ae67a621b7c76fc3e5b2210
[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" "3a08016760210ec92b45359fd928480b33f85f5f8ae67a621b7c76fc3e5b2210", kill_on_drop: false }`
[INFO] [stderr] warning: cnk v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr] warning: unused variable: `line_count`
[INFO] [stderr]   --> src/main.rs:56:42
[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: `_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 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cnk-54ad1094539131c7)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a08016760210ec92b45359fd928480b33f85f5f8ae67a621b7c76fc3e5b2210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a08016760210ec92b45359fd928480b33f85f5f8ae67a621b7c76fc3e5b2210", kill_on_drop: false }`
[INFO] [stdout] 3a08016760210ec92b45359fd928480b33f85f5f8ae67a621b7c76fc3e5b2210