[INFO] updating cached repository veniamin-ilmer/algorithm-efficiency
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/veniamin-ilmer/algorithm-efficiency
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/veniamin-ilmer/algorithm-efficiency" "work/ex/beta-1.37-6/sources/1.36.0/gh/veniamin-ilmer/algorithm-efficiency"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/veniamin-ilmer/algorithm-efficiency'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/veniamin-ilmer/algorithm-efficiency" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/veniamin-ilmer/algorithm-efficiency"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/veniamin-ilmer/algorithm-efficiency'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5836e50f1d139668db1bc0b6f6b07e7b7f20e2d1
[INFO] sha for GitHub repo veniamin-ilmer/algorithm-efficiency: 5836e50f1d139668db1bc0b6f6b07e7b7f20e2d1
[INFO] validating manifest of veniamin-ilmer/algorithm-efficiency 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 veniamin-ilmer/algorithm-efficiency 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 veniamin-ilmer/algorithm-efficiency
[INFO] finished frobbing veniamin-ilmer/algorithm-efficiency
[INFO] frobbed toml for veniamin-ilmer/algorithm-efficiency written to work/ex/beta-1.37-6/sources/1.36.0/gh/veniamin-ilmer/algorithm-efficiency/Cargo.toml
[INFO] started frobbing veniamin-ilmer/algorithm-efficiency
[INFO] finished frobbing veniamin-ilmer/algorithm-efficiency
[INFO] frobbed toml for veniamin-ilmer/algorithm-efficiency written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/veniamin-ilmer/algorithm-efficiency/Cargo.toml
[INFO] crate veniamin-ilmer/algorithm-efficiency 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 veniamin-ilmer/algorithm-efficiency 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/gh/veniamin-ilmer/algorithm-efficiency:/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] 188bfcb10145b24b316ae37714f02fee0ed5e8ffc2bfed33d75e92a1d6c943ef
[INFO] running `"docker" "start" "-a" "188bfcb10145b24b316ae37714f02fee0ed5e8ffc2bfed33d75e92a1d6c943ef"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling algorithms v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.18s
[INFO] running `"docker" "inspect" "188bfcb10145b24b316ae37714f02fee0ed5e8ffc2bfed33d75e92a1d6c943ef"`
[INFO] running `"docker" "rm" "-f" "188bfcb10145b24b316ae37714f02fee0ed5e8ffc2bfed33d75e92a1d6c943ef"`
[INFO] [stdout] 188bfcb10145b24b316ae37714f02fee0ed5e8ffc2bfed33d75e92a1d6c943ef
[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/gh/veniamin-ilmer/algorithm-efficiency:/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] 229621704f7a3b3693bf1bb4f8b806a472cdea670a7b0d0a1f15590789a94fbd
[INFO] running `"docker" "start" "-a" "229621704f7a3b3693bf1bb4f8b806a472cdea670a7b0d0a1f15590789a94fbd"`
[INFO] [stderr]    Compiling algorithms v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "229621704f7a3b3693bf1bb4f8b806a472cdea670a7b0d0a1f15590789a94fbd"`
[INFO] running `"docker" "rm" "-f" "229621704f7a3b3693bf1bb4f8b806a472cdea670a7b0d0a1f15590789a94fbd"`
[INFO] [stdout] 229621704f7a3b3693bf1bb4f8b806a472cdea670a7b0d0a1f15590789a94fbd
[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/gh/veniamin-ilmer/algorithm-efficiency:/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] 1a6e16c5a0e98a7fb8141a799732d04c2c7a8b72971103ef23c16affcb19c1bc
[INFO] running `"docker" "start" "-a" "1a6e16c5a0e98a7fb8141a799732d04c2c7a8b72971103ef23c16affcb19c1bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/algorithms-79a818b253655e13
[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" "1a6e16c5a0e98a7fb8141a799732d04c2c7a8b72971103ef23c16affcb19c1bc"`
[INFO] running `"docker" "rm" "-f" "1a6e16c5a0e98a7fb8141a799732d04c2c7a8b72971103ef23c16affcb19c1bc"`
[INFO] [stdout] 1a6e16c5a0e98a7fb8141a799732d04c2c7a8b72971103ef23c16affcb19c1bc