[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-1.38-1/sources/1.37.0/gh/Akavall/FileParsingTools"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Akavall/FileParsingTools'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Akavall/FileParsingTools" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Akavall/FileParsingTools"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Akavall/FileParsingTools 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 Akavall/FileParsingTools
[INFO] finished frobbing Akavall/FileParsingTools
[INFO] frobbed toml for Akavall/FileParsingTools written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 Akavall/FileParsingTools 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f3aa9bb909a570828e15cfea73253b6ba816391dde225379d073808afede6122
[INFO] running `"docker" "start" "-a" "f3aa9bb909a570828e15cfea73253b6ba816391dde225379d073808afede6122"`
[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 3.32s
[INFO] running `"docker" "inspect" "f3aa9bb909a570828e15cfea73253b6ba816391dde225379d073808afede6122"`
[INFO] running `"docker" "rm" "-f" "f3aa9bb909a570828e15cfea73253b6ba816391dde225379d073808afede6122"`
[INFO] [stdout] f3aa9bb909a570828e15cfea73253b6ba816391dde225379d073808afede6122
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4435e960a436c390e5232d674dd68df599eae73d785ff110990b07697668dcb8
[INFO] running `"docker" "start" "-a" "4435e960a436c390e5232d674dd68df599eae73d785ff110990b07697668dcb8"`
[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 1.95s
[INFO] running `"docker" "inspect" "4435e960a436c390e5232d674dd68df599eae73d785ff110990b07697668dcb8"`
[INFO] running `"docker" "rm" "-f" "4435e960a436c390e5232d674dd68df599eae73d785ff110990b07697668dcb8"`
[INFO] [stdout] 4435e960a436c390e5232d674dd68df599eae73d785ff110990b07697668dcb8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] bb0b1449bb58adb642863c0150636797e45c4a55552a4a5cd727c4e778039de1
[INFO] running `"docker" "start" "-a" "bb0b1449bb58adb642863c0150636797e45c4a55552a4a5cd727c4e778039de1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/col_counter-9677e7aac4361a1a
[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] [stderr]      Running /opt/crater/target/debug/deps/head_color-5f01385d9c20b757
[INFO] [stderr]      Running /opt/crater/target/debug/deps/n_rows-8d6aa8fc8c5d1132
[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] [stderr]      Running /opt/crater/target/debug/deps/set_func-1668665ea6d01615
[INFO] running `"docker" "inspect" "bb0b1449bb58adb642863c0150636797e45c4a55552a4a5cd727c4e778039de1"`
[INFO] running `"docker" "rm" "-f" "bb0b1449bb58adb642863c0150636797e45c4a55552a4a5cd727c4e778039de1"`
[INFO] [stdout] bb0b1449bb58adb642863c0150636797e45c4a55552a4a5cd727c4e778039de1