[INFO] cloning repository fdb/rustcarver
[INFO] running `"git" "clone" "--bare" "git://github.com/fdb/rustcarver.git" "work/cache/sources/gh/fdb/rustcarver"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/fdb/rustcarver'...
[INFO] running `"git" "clone" "work/cache/sources/gh/fdb/rustcarver" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fdb/rustcarver"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fdb/rustcarver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fdb/rustcarver" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fdb/rustcarver"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fdb/rustcarver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e231944d03f5507c5ca417de5685bfb826afed3a
[INFO] sha for GitHub repo fdb/rustcarver: e231944d03f5507c5ca417de5685bfb826afed3a
[INFO] validating manifest of fdb/rustcarver on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fdb/rustcarver on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fdb/rustcarver
[INFO] finished frobbing fdb/rustcarver
[INFO] frobbed toml for fdb/rustcarver written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/fdb/rustcarver/Cargo.toml
[INFO] started frobbing fdb/rustcarver
[INFO] finished frobbing fdb/rustcarver
[INFO] frobbed toml for fdb/rustcarver written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fdb/rustcarver/Cargo.toml
[INFO] crate fdb/rustcarver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fdb/rustcarver against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fdb/rustcarver:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 08f3e6721d745282a6eb3e7c60a59f2d43c84186875d6d0907516c22c0cf8be2
[INFO] running `"docker" "start" "-a" "08f3e6721d745282a6eb3e7c60a59f2d43c84186875d6d0907516c22c0cf8be2"`
[INFO] [stderr]    Compiling rustcarver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `home_dir`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let home_dir = dirs::home_dir().unwrap();
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_home_dir`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "08f3e6721d745282a6eb3e7c60a59f2d43c84186875d6d0907516c22c0cf8be2"`
[INFO] running `"docker" "rm" "-f" "08f3e6721d745282a6eb3e7c60a59f2d43c84186875d6d0907516c22c0cf8be2"`
[INFO] [stdout] 08f3e6721d745282a6eb3e7c60a59f2d43c84186875d6d0907516c22c0cf8be2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fdb/rustcarver:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] bb4c077a66020531e6319deb3b3039d6472560ef4c90abb8bd795c7d9a78a1f1
[INFO] running `"docker" "start" "-a" "bb4c077a66020531e6319deb3b3039d6472560ef4c90abb8bd795c7d9a78a1f1"`
[INFO] [stderr]    Compiling rustcarver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `home_dir`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let home_dir = dirs::home_dir().unwrap();
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_home_dir`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "bb4c077a66020531e6319deb3b3039d6472560ef4c90abb8bd795c7d9a78a1f1"`
[INFO] running `"docker" "rm" "-f" "bb4c077a66020531e6319deb3b3039d6472560ef4c90abb8bd795c7d9a78a1f1"`
[INFO] [stdout] bb4c077a66020531e6319deb3b3039d6472560ef4c90abb8bd795c7d9a78a1f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/fdb/rustcarver:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 6e603da8efe911f10de4399d15b0f7bc2e20c3df7d5667c4c10edc30a756851a
[INFO] running `"docker" "start" "-a" "6e603da8efe911f10de4399d15b0f7bc2e20c3df7d5667c4c10edc30a756851a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustcarver-a4e8e3994b3fe173
[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" "6e603da8efe911f10de4399d15b0f7bc2e20c3df7d5667c4c10edc30a756851a"`
[INFO] running `"docker" "rm" "-f" "6e603da8efe911f10de4399d15b0f7bc2e20c3df7d5667c4c10edc30a756851a"`
[INFO] [stdout] 6e603da8efe911f10de4399d15b0f7bc2e20c3df7d5667c4c10edc30a756851a