[INFO] updating cached repository feluxe/cnk
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/feluxe/cnk
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/feluxe/cnk" "work/ex/beta-1.38-1/sources/1.37.0/gh/feluxe/cnk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/feluxe/cnk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/feluxe/cnk" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/feluxe/cnk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/feluxe/cnk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3057eec1569b4b2e7db63c82b2cf54e25e3e076
[INFO] sha for GitHub repo feluxe/cnk: d3057eec1569b4b2e7db63c82b2cf54e25e3e076
[INFO] validating manifest of feluxe/cnk on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of feluxe/cnk on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing feluxe/cnk
[INFO] finished frobbing feluxe/cnk
[INFO] frobbed toml for feluxe/cnk written to work/ex/beta-1.38-1/sources/1.37.0/gh/feluxe/cnk/Cargo.toml
[INFO] started frobbing feluxe/cnk
[INFO] finished frobbing feluxe/cnk
[INFO] frobbed toml for feluxe/cnk written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/feluxe/cnk/Cargo.toml
[INFO] crate feluxe/cnk already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing feluxe/cnk against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/feluxe/cnk:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c94bca982d3a02791fbd0ecc787034aff33e1ed91c0ff83ed19ae99fc5dbd4ee
[INFO] running `"docker" "start" "-a" "c94bca982d3a02791fbd0ecc787034aff33e1ed91c0ff83ed19ae99fc5dbd4ee"`
[INFO] [stderr]    Compiling cnk v0.1.0 (/opt/crater/workdir)
[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: consider prefixing 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: consider prefixing with an underscore: `_col_count`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "c94bca982d3a02791fbd0ecc787034aff33e1ed91c0ff83ed19ae99fc5dbd4ee"`
[INFO] running `"docker" "rm" "-f" "c94bca982d3a02791fbd0ecc787034aff33e1ed91c0ff83ed19ae99fc5dbd4ee"`
[INFO] [stdout] c94bca982d3a02791fbd0ecc787034aff33e1ed91c0ff83ed19ae99fc5dbd4ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/feluxe/cnk:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4122a498a5f40bf82e715f885227d08f7e908824aa6ac9d5d2fc99275a79c33b
[INFO] running `"docker" "start" "-a" "4122a498a5f40bf82e715f885227d08f7e908824aa6ac9d5d2fc99275a79c33b"`
[INFO] [stderr]    Compiling cnk v0.1.0 (/opt/crater/workdir)
[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: consider prefixing 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: consider prefixing with an underscore: `_col_count`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "4122a498a5f40bf82e715f885227d08f7e908824aa6ac9d5d2fc99275a79c33b"`
[INFO] running `"docker" "rm" "-f" "4122a498a5f40bf82e715f885227d08f7e908824aa6ac9d5d2fc99275a79c33b"`
[INFO] [stdout] 4122a498a5f40bf82e715f885227d08f7e908824aa6ac9d5d2fc99275a79c33b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/feluxe/cnk:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 25261ee9ae7053042b9af70c5c6e1b2ed500d279d9276d936050a7cb186316bb
[INFO] running `"docker" "start" "-a" "25261ee9ae7053042b9af70c5c6e1b2ed500d279d9276d936050a7cb186316bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cnk-49e78a7cbb42a01d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "25261ee9ae7053042b9af70c5c6e1b2ed500d279d9276d936050a7cb186316bb"`
[INFO] running `"docker" "rm" "-f" "25261ee9ae7053042b9af70c5c6e1b2ed500d279d9276d936050a7cb186316bb"`
[INFO] [stdout] 25261ee9ae7053042b9af70c5c6e1b2ed500d279d9276d936050a7cb186316bb