[INFO] updating cached repository Akavall/FileParsingTools
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Akavall/FileParsingTools
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Akavall/FileParsingTools" "work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/FileParsingTools"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/FileParsingTools'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Akavall/FileParsingTools" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Akavall/FileParsingTools"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Akavall/FileParsingTools'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2313b051de3864577c4dd128f97daa28f06760bd
[INFO] sha for GitHub repo Akavall/FileParsingTools: 2313b051de3864577c4dd128f97daa28f06760bd
[INFO] validating manifest of Akavall/FileParsingTools on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Akavall/FileParsingTools on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Akavall/FileParsingTools
[INFO] finished frobbing Akavall/FileParsingTools
[INFO] frobbed toml for Akavall/FileParsingTools written to work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/FileParsingTools/Cargo.toml
[INFO] started frobbing Akavall/FileParsingTools
[INFO] finished frobbing Akavall/FileParsingTools
[INFO] frobbed toml for Akavall/FileParsingTools written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Akavall/FileParsingTools/Cargo.toml
[INFO] crate Akavall/FileParsingTools already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Akavall/FileParsingTools against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/FileParsingTools:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2b5850123cc44664c9cc7b1703589ddbdf1df3efbe8a13380bd6229b4c56a269
[INFO] running `"docker" "start" "-a" "2b5850123cc44664c9cc7b1703589ddbdf1df3efbe8a13380bd6229b4c56a269"`
[INFO] [stderr]    Compiling temp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/n_rows/bin/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for line in reader.lines() {
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "2b5850123cc44664c9cc7b1703589ddbdf1df3efbe8a13380bd6229b4c56a269"`
[INFO] running `"docker" "rm" "-f" "2b5850123cc44664c9cc7b1703589ddbdf1df3efbe8a13380bd6229b4c56a269"`
[INFO] [stdout] 2b5850123cc44664c9cc7b1703589ddbdf1df3efbe8a13380bd6229b4c56a269
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/FileParsingTools:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 40f447866dee3e520c2a913ca9d21f130f8863b72c91d32113398bab3c22a68d
[INFO] running `"docker" "start" "-a" "40f447866dee3e520c2a913ca9d21f130f8863b72c91d32113398bab3c22a68d"`
[INFO] [stderr]    Compiling temp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/n_rows/bin/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for line in reader.lines() {
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "40f447866dee3e520c2a913ca9d21f130f8863b72c91d32113398bab3c22a68d"`
[INFO] running `"docker" "rm" "-f" "40f447866dee3e520c2a913ca9d21f130f8863b72c91d32113398bab3c22a68d"`
[INFO] [stdout] 40f447866dee3e520c2a913ca9d21f130f8863b72c91d32113398bab3c22a68d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Akavall/FileParsingTools:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 3d19248abaa63c20af8f9ee2035c412bdd263e60fabcd0d8328f05e1e97bc7bb
[INFO] running `"docker" "start" "-a" "3d19248abaa63c20af8f9ee2035c412bdd263e60fabcd0d8328f05e1e97bc7bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/col_counter-c2a97b3051c2fab3
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/head_color-3642e2d09f910146
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/n_rows-57ebc178af9ba0fa
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/set_func-db08882bbc987050
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "3d19248abaa63c20af8f9ee2035c412bdd263e60fabcd0d8328f05e1e97bc7bb"`
[INFO] running `"docker" "rm" "-f" "3d19248abaa63c20af8f9ee2035c412bdd263e60fabcd0d8328f05e1e97bc7bb"`
[INFO] [stdout] 3d19248abaa63c20af8f9ee2035c412bdd263e60fabcd0d8328f05e1e97bc7bb