[INFO] cloning repository kolybasov/fm_tree
[INFO] running `"git" "clone" "--bare" "git://github.com/kolybasov/fm_tree.git" "work/cache/sources/gh/kolybasov/fm_tree"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kolybasov/fm_tree'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kolybasov/fm_tree" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kolybasov/fm_tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kolybasov/fm_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kolybasov/fm_tree" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kolybasov/fm_tree"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kolybasov/fm_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a26f097d080e912075c4862e1c669373c4098f9f
[INFO] sha for GitHub repo kolybasov/fm_tree: a26f097d080e912075c4862e1c669373c4098f9f
[INFO] validating manifest of kolybasov/fm_tree 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 kolybasov/fm_tree 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 kolybasov/fm_tree
[INFO] finished frobbing kolybasov/fm_tree
[INFO] frobbed toml for kolybasov/fm_tree written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/kolybasov/fm_tree/Cargo.toml
[INFO] started frobbing kolybasov/fm_tree
[INFO] finished frobbing kolybasov/fm_tree
[INFO] frobbed toml for kolybasov/fm_tree written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kolybasov/fm_tree/Cargo.toml
[INFO] crate kolybasov/fm_tree 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 kolybasov/fm_tree against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kolybasov/fm_tree:/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] 4483f8060da81515ef7f94d8dbe1432b64d42305a365753ea41b7eb522c3b8cc
[INFO] running `"docker" "start" "-a" "4483f8060da81515ef7f94d8dbe1432b64d42305a365753ea41b7eb522c3b8cc"`
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling fm_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `"docker" "inspect" "4483f8060da81515ef7f94d8dbe1432b64d42305a365753ea41b7eb522c3b8cc"`
[INFO] running `"docker" "rm" "-f" "4483f8060da81515ef7f94d8dbe1432b64d42305a365753ea41b7eb522c3b8cc"`
[INFO] [stdout] 4483f8060da81515ef7f94d8dbe1432b64d42305a365753ea41b7eb522c3b8cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kolybasov/fm_tree:/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] c1fd26bbcfa1291c7d7560c6a051de302d0da841b98c204fdcc13751984f2c3e
[INFO] running `"docker" "start" "-a" "c1fd26bbcfa1291c7d7560c6a051de302d0da841b98c204fdcc13751984f2c3e"`
[INFO] [stderr]    Compiling fm_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "c1fd26bbcfa1291c7d7560c6a051de302d0da841b98c204fdcc13751984f2c3e"`
[INFO] running `"docker" "rm" "-f" "c1fd26bbcfa1291c7d7560c6a051de302d0da841b98c204fdcc13751984f2c3e"`
[INFO] [stdout] c1fd26bbcfa1291c7d7560c6a051de302d0da841b98c204fdcc13751984f2c3e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/kolybasov/fm_tree:/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] 14f11590be647421de40520aeb98885777dc66a333f229f20a04e6428f7c3fe7
[INFO] running `"docker" "start" "-a" "14f11590be647421de40520aeb98885777dc66a333f229f20a04e6428f7c3fe7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fm_tree-863694df51a526e9
[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" "14f11590be647421de40520aeb98885777dc66a333f229f20a04e6428f7c3fe7"`
[INFO] running `"docker" "rm" "-f" "14f11590be647421de40520aeb98885777dc66a333f229f20a04e6428f7c3fe7"`
[INFO] [stdout] 14f11590be647421de40520aeb98885777dc66a333f229f20a04e6428f7c3fe7