[INFO] updating cached repository derivmug/binary_tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/derivmug/binary_tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/derivmug/binary_tree" "work/ex/beta-1.37-6/sources/1.36.0/gh/derivmug/binary_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/derivmug/binary_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/derivmug/binary_tree" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/derivmug/binary_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/derivmug/binary_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6e8a2994058cd99c86152d46e3b1ee5092b80bc
[INFO] sha for GitHub repo derivmug/binary_tree: c6e8a2994058cd99c86152d46e3b1ee5092b80bc
[INFO] validating manifest of derivmug/binary_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 derivmug/binary_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 derivmug/binary_tree
[INFO] finished frobbing derivmug/binary_tree
[INFO] frobbed toml for derivmug/binary_tree written to work/ex/beta-1.37-6/sources/1.36.0/gh/derivmug/binary_tree/Cargo.toml
[INFO] started frobbing derivmug/binary_tree
[INFO] finished frobbing derivmug/binary_tree
[INFO] frobbed toml for derivmug/binary_tree written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/derivmug/binary_tree/Cargo.toml
[INFO] crate derivmug/binary_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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing derivmug/binary_tree against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/derivmug/binary_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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 94d5cfac995ce942f8e1a05f2478f5186cb88cc27ef433f523559f79aa7890b2
[INFO] running `"docker" "start" "-a" "94d5cfac995ce942f8e1a05f2478f5186cb88cc27ef433f523559f79aa7890b2"`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "94d5cfac995ce942f8e1a05f2478f5186cb88cc27ef433f523559f79aa7890b2"`
[INFO] running `"docker" "rm" "-f" "94d5cfac995ce942f8e1a05f2478f5186cb88cc27ef433f523559f79aa7890b2"`
[INFO] [stdout] 94d5cfac995ce942f8e1a05f2478f5186cb88cc27ef433f523559f79aa7890b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/derivmug/binary_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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d8183b68b95b56b8b284fb5188e48212d2ca3d195eacb82d1780fcc21c245437
[INFO] running `"docker" "start" "-a" "d8183b68b95b56b8b284fb5188e48212d2ca3d195eacb82d1780fcc21c245437"`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "d8183b68b95b56b8b284fb5188e48212d2ca3d195eacb82d1780fcc21c245437"`
[INFO] running `"docker" "rm" "-f" "d8183b68b95b56b8b284fb5188e48212d2ca3d195eacb82d1780fcc21c245437"`
[INFO] [stdout] d8183b68b95b56b8b284fb5188e48212d2ca3d195eacb82d1780fcc21c245437
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/derivmug/binary_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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 79b4aef218d168595be16b700c498b6197c04b604d4e84c99468ccce0c0c2ccd
[INFO] running `"docker" "start" "-a" "79b4aef218d168595be16b700c498b6197c04b604d4e84c99468ccce0c0c2ccd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/binary_tree-949bac641ecb989b
[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" "79b4aef218d168595be16b700c498b6197c04b604d4e84c99468ccce0c0c2ccd"`
[INFO] running `"docker" "rm" "-f" "79b4aef218d168595be16b700c498b6197c04b604d4e84c99468ccce0c0c2ccd"`
[INFO] [stdout] 79b4aef218d168595be16b700c498b6197c04b604d4e84c99468ccce0c0c2ccd