[INFO] updating cached repository Laastine/tree-search
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Laastine/tree-search
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Laastine/tree-search" "work/ex/beta-1.38-1/sources/1.37.0/gh/Laastine/tree-search"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Laastine/tree-search'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Laastine/tree-search" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Laastine/tree-search"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Laastine/tree-search'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b80143bd3796d77944d20df7d188d15c4382acb9
[INFO] sha for GitHub repo Laastine/tree-search: b80143bd3796d77944d20df7d188d15c4382acb9
[INFO] validating manifest of Laastine/tree-search on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Laastine/tree-search on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Laastine/tree-search
[INFO] finished frobbing Laastine/tree-search
[INFO] frobbed toml for Laastine/tree-search written to work/ex/beta-1.38-1/sources/1.37.0/gh/Laastine/tree-search/Cargo.toml
[INFO] started frobbing Laastine/tree-search
[INFO] finished frobbing Laastine/tree-search
[INFO] frobbed toml for Laastine/tree-search written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Laastine/tree-search/Cargo.toml
[INFO] crate Laastine/tree-search already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Laastine/tree-search against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Laastine/tree-search:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2016f0ea5fcb830c985cfe9fa463561ecd911706f1b719a00817e57ee75d95b1
[INFO] running `"docker" "start" "-a" "2016f0ea5fcb830c985cfe9fa463561ecd911706f1b719a00817e57ee75d95b1"`
[INFO] [stderr]    Compiling tree-search v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "2016f0ea5fcb830c985cfe9fa463561ecd911706f1b719a00817e57ee75d95b1"`
[INFO] running `"docker" "rm" "-f" "2016f0ea5fcb830c985cfe9fa463561ecd911706f1b719a00817e57ee75d95b1"`
[INFO] [stdout] 2016f0ea5fcb830c985cfe9fa463561ecd911706f1b719a00817e57ee75d95b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Laastine/tree-search:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 64538b90e575f07c1713eccb62677f9547807710d6295cdb87ec1c9ba2c1f92b
[INFO] running `"docker" "start" "-a" "64538b90e575f07c1713eccb62677f9547807710d6295cdb87ec1c9ba2c1f92b"`
[INFO] [stderr]    Compiling tree-search v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "64538b90e575f07c1713eccb62677f9547807710d6295cdb87ec1c9ba2c1f92b"`
[INFO] running `"docker" "rm" "-f" "64538b90e575f07c1713eccb62677f9547807710d6295cdb87ec1c9ba2c1f92b"`
[INFO] [stdout] 64538b90e575f07c1713eccb62677f9547807710d6295cdb87ec1c9ba2c1f92b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Laastine/tree-search:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 10f71b163cf9f9bb2a25879bcc7807053d374f6814621866a8ea58eab84d1cf7
[INFO] running `"docker" "start" "-a" "10f71b163cf9f9bb2a25879bcc7807053d374f6814621866a8ea58eab84d1cf7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tree_search-9369d01b7ed63fba
[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" "10f71b163cf9f9bb2a25879bcc7807053d374f6814621866a8ea58eab84d1cf7"`
[INFO] running `"docker" "rm" "-f" "10f71b163cf9f9bb2a25879bcc7807053d374f6814621866a8ea58eab84d1cf7"`
[INFO] [stdout] 10f71b163cf9f9bb2a25879bcc7807053d374f6814621866a8ea58eab84d1cf7