[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#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeluxe%2Fcnk" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/feluxe/cnk on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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-14/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded fsevent-sys v0.1.6
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded fsevent v0.2.17
[INFO] [stderr]   Downloaded cargo-watch v7.0.7
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded tokio-reactor v0.1.6
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded walkdir v2.2.6
[INFO] [stderr]   Downloaded globset v0.4.2
[INFO] [stderr]   Downloaded humantime v1.1.1
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded tokio-io v0.1.10
[INFO] [stderr]   Downloaded tokio-executor v0.1.5
[INFO] [stderr]   Downloaded lazycell v1.2.0
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded wincolor v1.0.1
[INFO] [stderr]   Downloaded same-file v1.0.4
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded cc v1.0.25
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded notify v4.0.6
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded mio v0.6.16
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded slab v0.4.1
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded filetime v0.2.1
[INFO] [stderr]   Downloaded watchexec v1.9.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded futures v0.1.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 482dad03569accc8a34e6966d7ab53f4827dd3d6fab2b62a004f8793e9ad8ec6
[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" "482dad03569accc8a34e6966d7ab53f4827dd3d6fab2b62a004f8793e9ad8ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "482dad03569accc8a34e6966d7ab53f4827dd3d6fab2b62a004f8793e9ad8ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482dad03569accc8a34e6966d7ab53f4827dd3d6fab2b62a004f8793e9ad8ec6", kill_on_drop: false }`
[INFO] [stdout] 482dad03569accc8a34e6966d7ab53f4827dd3d6fab2b62a004f8793e9ad8ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c51617c553da16e999f42333e6b0b1912b03d763133e6d02e1a4412263dc1a36
[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" "c51617c553da16e999f42333e6b0b1912b03d763133e6d02e1a4412263dc1a36", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[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 1.63s
[INFO] running `Command { std: "docker" "inspect" "c51617c553da16e999f42333e6b0b1912b03d763133e6d02e1a4412263dc1a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51617c553da16e999f42333e6b0b1912b03d763133e6d02e1a4412263dc1a36", kill_on_drop: false }`
[INFO] [stdout] c51617c553da16e999f42333e6b0b1912b03d763133e6d02e1a4412263dc1a36