[INFO] cloning repository andylokandy/group_by_avg
[INFO] running `"git" "clone" "--bare" "git://github.com/andylokandy/group_by_avg.git" "work/cache/sources/gh/andylokandy/group_by_avg"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/andylokandy/group_by_avg'...
[INFO] running `"git" "clone" "work/cache/sources/gh/andylokandy/group_by_avg" "work/ex/beta-1.37-6/sources/1.36.0/gh/andylokandy/group_by_avg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/andylokandy/group_by_avg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andylokandy/group_by_avg" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andylokandy/group_by_avg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andylokandy/group_by_avg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ee481a4a4b1b28ea2eb5a4b89b48a6e99a87559
[INFO] sha for GitHub repo andylokandy/group_by_avg: 8ee481a4a4b1b28ea2eb5a4b89b48a6e99a87559
[INFO] validating manifest of andylokandy/group_by_avg 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 andylokandy/group_by_avg 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 andylokandy/group_by_avg
[INFO] finished frobbing andylokandy/group_by_avg
[INFO] frobbed toml for andylokandy/group_by_avg written to work/ex/beta-1.37-6/sources/1.36.0/gh/andylokandy/group_by_avg/Cargo.toml
[INFO] started frobbing andylokandy/group_by_avg
[INFO] finished frobbing andylokandy/group_by_avg
[INFO] frobbed toml for andylokandy/group_by_avg written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andylokandy/group_by_avg/Cargo.toml
[INFO] crate andylokandy/group_by_avg 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 andylokandy/group_by_avg 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-3/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/andylokandy/group_by_avg:/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] 6e860fa9a0668cb80d1b7410383ca017b9fba6783721c754dec178c026f06ad4
[INFO] running `"docker" "start" "-a" "6e860fa9a0668cb80d1b7410383ca017b9fba6783721c754dec178c026f06ad4"`
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling group_by_avg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `"docker" "inspect" "6e860fa9a0668cb80d1b7410383ca017b9fba6783721c754dec178c026f06ad4"`
[INFO] running `"docker" "rm" "-f" "6e860fa9a0668cb80d1b7410383ca017b9fba6783721c754dec178c026f06ad4"`
[INFO] [stdout] 6e860fa9a0668cb80d1b7410383ca017b9fba6783721c754dec178c026f06ad4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/andylokandy/group_by_avg:/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] 0014b0098f898bf714b185840a43179e48a294b02e3b4fa1377a4cd8cf01c0f1
[INFO] running `"docker" "start" "-a" "0014b0098f898bf714b185840a43179e48a294b02e3b4fa1377a4cd8cf01c0f1"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling regex-automata v0.1.7
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling bstr v0.2.1
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling group_by_avg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `"docker" "inspect" "0014b0098f898bf714b185840a43179e48a294b02e3b4fa1377a4cd8cf01c0f1"`
[INFO] running `"docker" "rm" "-f" "0014b0098f898bf714b185840a43179e48a294b02e3b4fa1377a4cd8cf01c0f1"`
[INFO] [stdout] 0014b0098f898bf714b185840a43179e48a294b02e3b4fa1377a4cd8cf01c0f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/andylokandy/group_by_avg:/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] 7ff4942a4416f1e7929bfec65060973968dd9488aaa7a9df9947c034e5f3c4f3
[INFO] running `"docker" "start" "-a" "7ff4942a4416f1e7929bfec65060973968dd9488aaa7a9df9947c034e5f3c4f3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/group_by_avg-ddb2b732cd1afcc0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests group_by_avg
[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" "7ff4942a4416f1e7929bfec65060973968dd9488aaa7a9df9947c034e5f3c4f3"`
[INFO] running `"docker" "rm" "-f" "7ff4942a4416f1e7929bfec65060973968dd9488aaa7a9df9947c034e5f3c4f3"`
[INFO] [stdout] 7ff4942a4416f1e7929bfec65060973968dd9488aaa7a9df9947c034e5f3c4f3