[INFO] updating cached repository roller/ackreport
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/roller/ackreport
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/roller/ackreport" "work/ex/beta-1.38-1/sources/1.37.0/gh/roller/ackreport"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/roller/ackreport'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/roller/ackreport" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/roller/ackreport"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/roller/ackreport'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6759e825c2760208ec3e53e23967ed6d69ea21da
[INFO] sha for GitHub repo roller/ackreport: 6759e825c2760208ec3e53e23967ed6d69ea21da
[INFO] validating manifest of roller/ackreport 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 roller/ackreport 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 roller/ackreport
[INFO] finished frobbing roller/ackreport
[INFO] frobbed toml for roller/ackreport written to work/ex/beta-1.38-1/sources/1.37.0/gh/roller/ackreport/Cargo.toml
[INFO] started frobbing roller/ackreport
[INFO] finished frobbing roller/ackreport
[INFO] frobbed toml for roller/ackreport written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/roller/ackreport/Cargo.toml
[INFO] crate roller/ackreport 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing roller/ackreport 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/roller/ackreport:/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] 97232cc5693109272e0c28ab8693b73673fa88d33723365584cad17a24b49573
[INFO] running `"docker" "start" "-a" "97232cc5693109272e0c28ab8693b73673fa88d33723365584cad17a24b49573"`
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling termcolor v1.0.1
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling tabwriter v1.1.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling env_logger v0.5.11
[INFO] [stderr]    Compiling ackreport v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.25s
[INFO] running `"docker" "inspect" "97232cc5693109272e0c28ab8693b73673fa88d33723365584cad17a24b49573"`
[INFO] running `"docker" "rm" "-f" "97232cc5693109272e0c28ab8693b73673fa88d33723365584cad17a24b49573"`
[INFO] [stdout] 97232cc5693109272e0c28ab8693b73673fa88d33723365584cad17a24b49573
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/roller/ackreport:/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] 4b3ff845bcf08fa33fa44bf4f38446ee20944366771e00ace437d36573037311
[INFO] running `"docker" "start" "-a" "4b3ff845bcf08fa33fa44bf4f38446ee20944366771e00ace437d36573037311"`
[INFO] [stderr]    Compiling ackreport v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "4b3ff845bcf08fa33fa44bf4f38446ee20944366771e00ace437d36573037311"`
[INFO] running `"docker" "rm" "-f" "4b3ff845bcf08fa33fa44bf4f38446ee20944366771e00ace437d36573037311"`
[INFO] [stdout] 4b3ff845bcf08fa33fa44bf4f38446ee20944366771e00ace437d36573037311
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/roller/ackreport:/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] 98097a98f52fc798cc315bd3ffcfc13eb5ac0adc24bd6ca348331c86a76afcbf
[INFO] running `"docker" "start" "-a" "98097a98f52fc798cc315bd3ffcfc13eb5ac0adc24bd6ca348331c86a76afcbf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ackreport-32f2e314a10c5b39
[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" "98097a98f52fc798cc315bd3ffcfc13eb5ac0adc24bd6ca348331c86a76afcbf"`
[INFO] running `"docker" "rm" "-f" "98097a98f52fc798cc315bd3ffcfc13eb5ac0adc24bd6ca348331c86a76afcbf"`
[INFO] [stdout] 98097a98f52fc798cc315bd3ffcfc13eb5ac0adc24bd6ca348331c86a76afcbf