[INFO] crate prefix-tree 0.1.0 is already in cache
[INFO] extracting crate prefix-tree 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/prefix-tree/0.1.0
[INFO] extracting crate prefix-tree 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prefix-tree/0.1.0
[INFO] validating manifest of prefix-tree-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of prefix-tree-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/prefix-tree/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing prefix-tree-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f63a0549e64925ff58b6008ba90b96b7edb3c85eed1510c8ad1e8524a3e9da68
[INFO] running `"docker" "start" "-a" "f63a0549e64925ff58b6008ba90b96b7edb3c85eed1510c8ad1e8524a3e9da68"`
[INFO] [stderr]    Compiling prefix-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "f63a0549e64925ff58b6008ba90b96b7edb3c85eed1510c8ad1e8524a3e9da68"`
[INFO] running `"docker" "rm" "-f" "f63a0549e64925ff58b6008ba90b96b7edb3c85eed1510c8ad1e8524a3e9da68"`
[INFO] [stdout] f63a0549e64925ff58b6008ba90b96b7edb3c85eed1510c8ad1e8524a3e9da68
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ae6c9ff7c2c8c5a23f014627f1a56d96b8a3ab6f8da0294ffc9a3ff25f68b0c
[INFO] running `"docker" "start" "-a" "1ae6c9ff7c2c8c5a23f014627f1a56d96b8a3ab6f8da0294ffc9a3ff25f68b0c"`
[INFO] [stderr]    Compiling prefix-tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "1ae6c9ff7c2c8c5a23f014627f1a56d96b8a3ab6f8da0294ffc9a3ff25f68b0c"`
[INFO] running `"docker" "rm" "-f" "1ae6c9ff7c2c8c5a23f014627f1a56d96b8a3ab6f8da0294ffc9a3ff25f68b0c"`
[INFO] [stdout] 1ae6c9ff7c2c8c5a23f014627f1a56d96b8a3ab6f8da0294ffc9a3ff25f68b0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] ee26323ca00d04ad3b2e6885717fb5b97ef7d149bdb27ec317d10f1174e35d99
[INFO] running `"docker" "start" "-a" "ee26323ca00d04ad3b2e6885717fb5b97ef7d149bdb27ec317d10f1174e35d99"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prefix_tree-f3b00707dece3ccb
[INFO] [stderr]    Doc-tests prefix-tree
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_common_prefix_bytes ... ok
[INFO] [stdout] test tests::test_common_prefix_empty ... ok
[INFO] [stdout] test tests::test_find_child ... ok
[INFO] [stdout] test tests::test_find_empty ... ok
[INFO] [stdout] test tests::test_find_missing ... ok
[INFO] [stdout] test tests::test_find_longer ... ok
[INFO] [stdout] test tests::test_find_simple ... ok
[INFO] [stdout] test tests::test_find_shorter ... ok
[INFO] [stdout] test tests::test_insert_append ... ok
[INFO] [stdout] test tests::test_insert_empty ... ok
[INFO] [stdout] test tests::test_insert_split ... ok
[INFO] [stdout] test tests::test_insert_sibling ... ok
[INFO] [stdout] test tests::test_common_prefix_short ... ok
[INFO] [stdout] test tests::test_find_sibling ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "ee26323ca00d04ad3b2e6885717fb5b97ef7d149bdb27ec317d10f1174e35d99"`
[INFO] running `"docker" "rm" "-f" "ee26323ca00d04ad3b2e6885717fb5b97ef7d149bdb27ec317d10f1174e35d99"`
[INFO] [stdout] ee26323ca00d04ad3b2e6885717fb5b97ef7d149bdb27ec317d10f1174e35d99