[INFO] updating cached repository howeih/Day-45-Binary-Search-Tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/howeih/Day-45-Binary-Search-Tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-45-Binary-Search-Tree" "work/ex/beta-1.37-6/sources/1.36.0/gh/howeih/Day-45-Binary-Search-Tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/howeih/Day-45-Binary-Search-Tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-45-Binary-Search-Tree" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/howeih/Day-45-Binary-Search-Tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/howeih/Day-45-Binary-Search-Tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f4fed83beeee1b54670534893300791354ce433
[INFO] sha for GitHub repo howeih/Day-45-Binary-Search-Tree: 8f4fed83beeee1b54670534893300791354ce433
[INFO] validating manifest of howeih/Day-45-Binary-Search-Tree 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 howeih/Day-45-Binary-Search-Tree 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 howeih/Day-45-Binary-Search-Tree
[INFO] finished frobbing howeih/Day-45-Binary-Search-Tree
[INFO] frobbed toml for howeih/Day-45-Binary-Search-Tree written to work/ex/beta-1.37-6/sources/1.36.0/gh/howeih/Day-45-Binary-Search-Tree/Cargo.toml
[INFO] started frobbing howeih/Day-45-Binary-Search-Tree
[INFO] finished frobbing howeih/Day-45-Binary-Search-Tree
[INFO] frobbed toml for howeih/Day-45-Binary-Search-Tree written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/howeih/Day-45-Binary-Search-Tree/Cargo.toml
[INFO] crate howeih/Day-45-Binary-Search-Tree already has a lockfile, it will not be regenerated
[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 howeih/Day-45-Binary-Search-Tree 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-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/howeih/Day-45-Binary-Search-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=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] 50f2f99d71a6968efb14a9471f079debfdbe535154ba242d1950d5087763c462
[INFO] running `"docker" "start" "-a" "50f2f99d71a6968efb14a9471f079debfdbe535154ba242d1950d5087763c462"`
[INFO] [stderr]    Compiling binary_search_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "50f2f99d71a6968efb14a9471f079debfdbe535154ba242d1950d5087763c462"`
[INFO] running `"docker" "rm" "-f" "50f2f99d71a6968efb14a9471f079debfdbe535154ba242d1950d5087763c462"`
[INFO] [stdout] 50f2f99d71a6968efb14a9471f079debfdbe535154ba242d1950d5087763c462
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/howeih/Day-45-Binary-Search-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=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] cabd2d21a35e03ab0343e5432f426cea05dd9673cf93e55121687e5d72b90e2c
[INFO] running `"docker" "start" "-a" "cabd2d21a35e03ab0343e5432f426cea05dd9673cf93e55121687e5d72b90e2c"`
[INFO] [stderr]    Compiling binary_search_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "cabd2d21a35e03ab0343e5432f426cea05dd9673cf93e55121687e5d72b90e2c"`
[INFO] running `"docker" "rm" "-f" "cabd2d21a35e03ab0343e5432f426cea05dd9673cf93e55121687e5d72b90e2c"`
[INFO] [stdout] cabd2d21a35e03ab0343e5432f426cea05dd9673cf93e55121687e5d72b90e2c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/howeih/Day-45-Binary-Search-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=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] 88cf6064cf517e5443b21f0a88babc0f8ead390a50662dbb1699537e10bc2452
[INFO] running `"docker" "start" "-a" "88cf6064cf517e5443b21f0a88babc0f8ead390a50662dbb1699537e10bc2452"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/binary_search_tree-30eca396fe24c759
[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" "88cf6064cf517e5443b21f0a88babc0f8ead390a50662dbb1699537e10bc2452"`
[INFO] running `"docker" "rm" "-f" "88cf6064cf517e5443b21f0a88babc0f8ead390a50662dbb1699537e10bc2452"`
[INFO] [stdout] 88cf6064cf517e5443b21f0a88babc0f8ead390a50662dbb1699537e10bc2452