[INFO] cloning repository Frozen/hierarchy
[INFO] running `"git" "clone" "--bare" "git://github.com/Frozen/hierarchy.git" "work/cache/sources/gh/Frozen/hierarchy"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Frozen/hierarchy'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Frozen/hierarchy" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Frozen/hierarchy"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Frozen/hierarchy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Frozen/hierarchy" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Frozen/hierarchy"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Frozen/hierarchy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e43b6ec362026353024196540157938f151785de
[INFO] sha for GitHub repo Frozen/hierarchy: e43b6ec362026353024196540157938f151785de
[INFO] validating manifest of Frozen/hierarchy 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 Frozen/hierarchy 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 Frozen/hierarchy
[INFO] finished frobbing Frozen/hierarchy
[INFO] frobbed toml for Frozen/hierarchy written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Frozen/hierarchy/Cargo.toml
[INFO] started frobbing Frozen/hierarchy
[INFO] finished frobbing Frozen/hierarchy
[INFO] frobbed toml for Frozen/hierarchy written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Frozen/hierarchy/Cargo.toml
[INFO] crate Frozen/hierarchy 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]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Frozen/hierarchy against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Frozen/hierarchy:/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] 2ebcb7cc15a68a44b42c06b6cfc3c1d8b534a635e6b06e6812c93ab08c8cd7d7
[INFO] running `"docker" "start" "-a" "2ebcb7cc15a68a44b42c06b6cfc3c1d8b534a635e6b06e6812c93ab08c8cd7d7"`
[INFO] [stderr]    Compiling hierarchy v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "2ebcb7cc15a68a44b42c06b6cfc3c1d8b534a635e6b06e6812c93ab08c8cd7d7"`
[INFO] running `"docker" "rm" "-f" "2ebcb7cc15a68a44b42c06b6cfc3c1d8b534a635e6b06e6812c93ab08c8cd7d7"`
[INFO] [stdout] 2ebcb7cc15a68a44b42c06b6cfc3c1d8b534a635e6b06e6812c93ab08c8cd7d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Frozen/hierarchy:/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] 90c4d96c844b2a16e01bed2419a7ac5af87d4bb0b917c9a6614e467305b56019
[INFO] running `"docker" "start" "-a" "90c4d96c844b2a16e01bed2419a7ac5af87d4bb0b917c9a6614e467305b56019"`
[INFO] [stderr]    Compiling hierarchy v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "90c4d96c844b2a16e01bed2419a7ac5af87d4bb0b917c9a6614e467305b56019"`
[INFO] running `"docker" "rm" "-f" "90c4d96c844b2a16e01bed2419a7ac5af87d4bb0b917c9a6614e467305b56019"`
[INFO] [stdout] 90c4d96c844b2a16e01bed2419a7ac5af87d4bb0b917c9a6614e467305b56019
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Frozen/hierarchy:/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] ae386e55ab7edc38602b87a828c4504e232944a50b3b22dd49ac5fa53f9cb36b
[INFO] running `"docker" "start" "-a" "ae386e55ab7edc38602b87a828c4504e232944a50b3b22dd49ac5fa53f9cb36b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hierarchy-4de288b5f10c4f5f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_hierarchy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hierarchy
[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" "ae386e55ab7edc38602b87a828c4504e232944a50b3b22dd49ac5fa53f9cb36b"`
[INFO] running `"docker" "rm" "-f" "ae386e55ab7edc38602b87a828c4504e232944a50b3b22dd49ac5fa53f9cb36b"`
[INFO] [stdout] ae386e55ab7edc38602b87a828c4504e232944a50b3b22dd49ac5fa53f9cb36b