[INFO] updating cached repository mchlstckl/wordcount
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mchlstckl/wordcount
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mchlstckl/wordcount" "work/ex/beta-1.38-1/sources/1.37.0/gh/mchlstckl/wordcount"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mchlstckl/wordcount'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mchlstckl/wordcount" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchlstckl/wordcount"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchlstckl/wordcount'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67f6d335c8943f24ccf6b4926dbc9a0b3aaaf951
[INFO] sha for GitHub repo mchlstckl/wordcount: 67f6d335c8943f24ccf6b4926dbc9a0b3aaaf951
[INFO] validating manifest of mchlstckl/wordcount 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 mchlstckl/wordcount 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 mchlstckl/wordcount
[INFO] finished frobbing mchlstckl/wordcount
[INFO] frobbed toml for mchlstckl/wordcount written to work/ex/beta-1.38-1/sources/1.37.0/gh/mchlstckl/wordcount/Cargo.toml
[INFO] started frobbing mchlstckl/wordcount
[INFO] finished frobbing mchlstckl/wordcount
[INFO] frobbed toml for mchlstckl/wordcount written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mchlstckl/wordcount/Cargo.toml
[INFO] crate mchlstckl/wordcount 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mchlstckl/wordcount against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mchlstckl/wordcount:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8619920601b8406287d90304c3fea8f62c5608f446753ed945dfa15d1ddce44e
[INFO] running `"docker" "start" "-a" "8619920601b8406287d90304c3fea8f62c5608f446753ed945dfa15d1ddce44e"`
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tokio-current-thread v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.12
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.16
[INFO] [stderr]    Compiling wordcount v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.55s
[INFO] running `"docker" "inspect" "8619920601b8406287d90304c3fea8f62c5608f446753ed945dfa15d1ddce44e"`
[INFO] running `"docker" "rm" "-f" "8619920601b8406287d90304c3fea8f62c5608f446753ed945dfa15d1ddce44e"`
[INFO] [stdout] 8619920601b8406287d90304c3fea8f62c5608f446753ed945dfa15d1ddce44e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mchlstckl/wordcount:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5d3b2f370c66d2054990f550e4cfe9fd7c66c01ca5994b43bc226774af0eb7bd
[INFO] running `"docker" "start" "-a" "5d3b2f370c66d2054990f550e4cfe9fd7c66c01ca5994b43bc226774af0eb7bd"`
[INFO] [stderr]    Compiling csv v1.0.5
[INFO] [stderr]    Compiling criterion v0.2.10
[INFO] [stderr]    Compiling wordcount v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.73s
[INFO] running `"docker" "inspect" "5d3b2f370c66d2054990f550e4cfe9fd7c66c01ca5994b43bc226774af0eb7bd"`
[INFO] running `"docker" "rm" "-f" "5d3b2f370c66d2054990f550e4cfe9fd7c66c01ca5994b43bc226774af0eb7bd"`
[INFO] [stdout] 5d3b2f370c66d2054990f550e4cfe9fd7c66c01ca5994b43bc226774af0eb7bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mchlstckl/wordcount:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e7887f46cf78f48bf1e29b9304c09156e3cc1e32f9c1929f47fa4178ce8edff5
[INFO] running `"docker" "start" "-a" "e7887f46cf78f48bf1e29b9304c09156e3cc1e32f9c1929f47fa4178ce8edff5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wordcount-4d602429ce2639cf
[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] [stderr]      Running /opt/crater/target/debug/deps/wc-4adddc348aece586
[INFO] [stderr]    Doc-tests wordcount
[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] [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" "e7887f46cf78f48bf1e29b9304c09156e3cc1e32f9c1929f47fa4178ce8edff5"`
[INFO] running `"docker" "rm" "-f" "e7887f46cf78f48bf1e29b9304c09156e3cc1e32f9c1929f47fa4178ce8edff5"`
[INFO] [stdout] e7887f46cf78f48bf1e29b9304c09156e3cc1e32f9c1929f47fa4178ce8edff5