[INFO] cloning repository yarrow/slightly-smaller-setop-for-question
[INFO] running `"git" "clone" "--bare" "git://github.com/yarrow/slightly-smaller-setop-for-question.git" "work/cache/sources/gh/yarrow/slightly-smaller-setop-for-question"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/yarrow/slightly-smaller-setop-for-question'...
[INFO] running `"git" "clone" "work/cache/sources/gh/yarrow/slightly-smaller-setop-for-question" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yarrow/slightly-smaller-setop-for-question"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yarrow/slightly-smaller-setop-for-question'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yarrow/slightly-smaller-setop-for-question" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yarrow/slightly-smaller-setop-for-question"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yarrow/slightly-smaller-setop-for-question'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4230686b714bd32da42d35f6af8d140c7ab8bcf
[INFO] sha for GitHub repo yarrow/slightly-smaller-setop-for-question: c4230686b714bd32da42d35f6af8d140c7ab8bcf
[INFO] validating manifest of yarrow/slightly-smaller-setop-for-question 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 yarrow/slightly-smaller-setop-for-question 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 yarrow/slightly-smaller-setop-for-question
[INFO] finished frobbing yarrow/slightly-smaller-setop-for-question
[INFO] frobbed toml for yarrow/slightly-smaller-setop-for-question written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yarrow/slightly-smaller-setop-for-question/Cargo.toml
[INFO] started frobbing yarrow/slightly-smaller-setop-for-question
[INFO] finished frobbing yarrow/slightly-smaller-setop-for-question
[INFO] frobbed toml for yarrow/slightly-smaller-setop-for-question written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yarrow/slightly-smaller-setop-for-question/Cargo.toml
[INFO] crate yarrow/slightly-smaller-setop-for-question 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rental v0.5.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing yarrow/slightly-smaller-setop-for-question against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yarrow/slightly-smaller-setop-for-question:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] d06ea3164d760bb994a490765a98bed909dfd0e54a8256896c78faa1fc1ce6e4
[INFO] running `"docker" "start" "-a" "d06ea3164d760bb994a490765a98bed909dfd0e54a8256896c78faa1fc1ce6e4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling syn v0.15.11
[INFO] [stderr]    Compiling rental-impl v0.5.2
[INFO] [stderr]    Compiling rental v0.5.2
[INFO] [stderr]    Compiling minimal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.09s
[INFO] running `"docker" "inspect" "d06ea3164d760bb994a490765a98bed909dfd0e54a8256896c78faa1fc1ce6e4"`
[INFO] running `"docker" "rm" "-f" "d06ea3164d760bb994a490765a98bed909dfd0e54a8256896c78faa1fc1ce6e4"`
[INFO] [stdout] d06ea3164d760bb994a490765a98bed909dfd0e54a8256896c78faa1fc1ce6e4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yarrow/slightly-smaller-setop-for-question:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] b72b73c59c1608e9826f52eb9f414034e66e65fab6bef9e48272dac40936a32d
[INFO] running `"docker" "start" "-a" "b72b73c59c1608e9826f52eb9f414034e66e65fab6bef9e48272dac40936a32d"`
[INFO] [stderr]    Compiling minimal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "b72b73c59c1608e9826f52eb9f414034e66e65fab6bef9e48272dac40936a32d"`
[INFO] running `"docker" "rm" "-f" "b72b73c59c1608e9826f52eb9f414034e66e65fab6bef9e48272dac40936a32d"`
[INFO] [stdout] b72b73c59c1608e9826f52eb9f414034e66e65fab6bef9e48272dac40936a32d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yarrow/slightly-smaller-setop-for-question:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] e77db190baa7a8d55ad47c3dd836b67ad94f6757b284cd13f507aba7f8b65711
[INFO] running `"docker" "start" "-a" "e77db190baa7a8d55ad47c3dd836b67ad94f6757b284cd13f507aba7f8b65711"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/minimal-c9844ecd4ca371ae
[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" "e77db190baa7a8d55ad47c3dd836b67ad94f6757b284cd13f507aba7f8b65711"`
[INFO] running `"docker" "rm" "-f" "e77db190baa7a8d55ad47c3dd836b67ad94f6757b284cd13f507aba7f8b65711"`
[INFO] [stdout] e77db190baa7a8d55ad47c3dd836b67ad94f6757b284cd13f507aba7f8b65711