[INFO] fetching crate prefix-tree 0.1.0...
[INFO] extracting crate prefix-tree 0.1.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/prefix-tree/0.1.0
[INFO] extracting crate prefix-tree 0.1.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/prefix-tree/0.1.0
[INFO] validating manifest of prefix-tree-0.1.0 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 prefix-tree-0.1.0 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 prefix-tree-0.1.0
[INFO] finished frobbing prefix-tree-0.1.0
[INFO] frobbed toml for prefix-tree-0.1.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/prefix-tree/0.1.0/Cargo.toml
[INFO] started frobbing prefix-tree-0.1.0
[INFO] finished frobbing prefix-tree-0.1.0
[INFO] frobbed toml for prefix-tree-0.1.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/prefix-tree/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 prefix-tree-0.1.0 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/reg/prefix-tree/0.1.0:/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] 2641dfcfdec42ad649a35307583991e71a9624f4a1938c3da38b97f31afef9cd
[INFO] running `"docker" "start" "-a" "2641dfcfdec42ad649a35307583991e71a9624f4a1938c3da38b97f31afef9cd"`
[INFO] [stderr]    Compiling prefix-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `"docker" "inspect" "2641dfcfdec42ad649a35307583991e71a9624f4a1938c3da38b97f31afef9cd"`
[INFO] running `"docker" "rm" "-f" "2641dfcfdec42ad649a35307583991e71a9624f4a1938c3da38b97f31afef9cd"`
[INFO] [stdout] 2641dfcfdec42ad649a35307583991e71a9624f4a1938c3da38b97f31afef9cd
[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/reg/prefix-tree/0.1.0:/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] c1c882a5dc97dfa3b9563909deeafcfff1974cc4bd5b1d76cedd006a38b364b8
[INFO] running `"docker" "start" "-a" "c1c882a5dc97dfa3b9563909deeafcfff1974cc4bd5b1d76cedd006a38b364b8"`
[INFO] [stderr]    Compiling prefix-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "c1c882a5dc97dfa3b9563909deeafcfff1974cc4bd5b1d76cedd006a38b364b8"`
[INFO] running `"docker" "rm" "-f" "c1c882a5dc97dfa3b9563909deeafcfff1974cc4bd5b1d76cedd006a38b364b8"`
[INFO] [stdout] c1c882a5dc97dfa3b9563909deeafcfff1974cc4bd5b1d76cedd006a38b364b8
[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/reg/prefix-tree/0.1.0:/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] 194582a49c69ddbac984d9d2da6f22b7683c6addab7d1c720d4a36c340e59ee7
[INFO] running `"docker" "start" "-a" "194582a49c69ddbac984d9d2da6f22b7683c6addab7d1c720d4a36c340e59ee7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prefix_tree-ca99c654516b1757
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_common_prefix_bytes ... ok
[INFO] [stdout] test tests::test_find_shorter ... ok
[INFO] [stdout] test tests::test_find_longer ... ok
[INFO] [stdout] test tests::test_find_empty ... ok
[INFO] [stdout] test tests::test_common_prefix_short ... ok
[INFO] [stdout] test tests::test_common_prefix_empty ... ok
[INFO] [stdout] test tests::test_find_sibling ... ok
[INFO] [stdout] test tests::test_find_child ... ok
[INFO] [stdout] test tests::test_insert_append ... ok
[INFO] [stdout] test tests::test_find_simple ... ok
[INFO] [stdout] test tests::test_insert_empty ... ok
[INFO] [stdout] test tests::test_find_missing ... ok
[INFO] [stdout] test tests::test_insert_split ... ok
[INFO] [stdout] test tests::test_insert_sibling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefix-tree
[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" "194582a49c69ddbac984d9d2da6f22b7683c6addab7d1c720d4a36c340e59ee7"`
[INFO] running `"docker" "rm" "-f" "194582a49c69ddbac984d9d2da6f22b7683c6addab7d1c720d4a36c340e59ee7"`
[INFO] [stdout] 194582a49c69ddbac984d9d2da6f22b7683c6addab7d1c720d4a36c340e59ee7