[INFO] updating cached repository nao-kobayashi/rtail
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nao-kobayashi/rtail
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nao-kobayashi/rtail" "work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/rtail"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/rtail'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nao-kobayashi/rtail" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/rtail"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/rtail'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3dbebf0ed512d7ada4754cd324bfca2d3440ed6b
[INFO] sha for GitHub repo nao-kobayashi/rtail: 3dbebf0ed512d7ada4754cd324bfca2d3440ed6b
[INFO] validating manifest of nao-kobayashi/rtail 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 nao-kobayashi/rtail 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 nao-kobayashi/rtail
[INFO] finished frobbing nao-kobayashi/rtail
[INFO] frobbed toml for nao-kobayashi/rtail written to work/ex/beta-1.37-6/sources/1.36.0/gh/nao-kobayashi/rtail/Cargo.toml
[INFO] started frobbing nao-kobayashi/rtail
[INFO] finished frobbing nao-kobayashi/rtail
[INFO] frobbed toml for nao-kobayashi/rtail written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nao-kobayashi/rtail/Cargo.toml
[INFO] crate nao-kobayashi/rtail 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 nao-kobayashi/rtail 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/nao-kobayashi/rtail:/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] daf5ec78cb145fedf9e45c07d34b4dcbfc969a9d384b73c7f6ffe02c277e4936
[INFO] running `"docker" "start" "-a" "daf5ec78cb145fedf9e45c07d34b4dcbfc969a9d384b73c7f6ffe02c277e4936"`
[INFO] [stderr]    Compiling rtail v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "daf5ec78cb145fedf9e45c07d34b4dcbfc969a9d384b73c7f6ffe02c277e4936"`
[INFO] running `"docker" "rm" "-f" "daf5ec78cb145fedf9e45c07d34b4dcbfc969a9d384b73c7f6ffe02c277e4936"`
[INFO] [stdout] daf5ec78cb145fedf9e45c07d34b4dcbfc969a9d384b73c7f6ffe02c277e4936
[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/nao-kobayashi/rtail:/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] c372e02e009dde2901b435d55ab85eb44ad923efc0364d57c0a6245717402369
[INFO] running `"docker" "start" "-a" "c372e02e009dde2901b435d55ab85eb44ad923efc0364d57c0a6245717402369"`
[INFO] [stderr]    Compiling rtail v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "c372e02e009dde2901b435d55ab85eb44ad923efc0364d57c0a6245717402369"`
[INFO] running `"docker" "rm" "-f" "c372e02e009dde2901b435d55ab85eb44ad923efc0364d57c0a6245717402369"`
[INFO] [stdout] c372e02e009dde2901b435d55ab85eb44ad923efc0364d57c0a6245717402369
[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/nao-kobayashi/rtail:/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] 3efdb90f0f7b6397c865a268621c5baf182d9dfa4b6cc3a391fc8055499ca4e3
[INFO] running `"docker" "start" "-a" "3efdb90f0f7b6397c865a268621c5baf182d9dfa4b6cc3a391fc8055499ca4e3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rtail-996d05ba1f444687
[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" "3efdb90f0f7b6397c865a268621c5baf182d9dfa4b6cc3a391fc8055499ca4e3"`
[INFO] running `"docker" "rm" "-f" "3efdb90f0f7b6397c865a268621c5baf182d9dfa4b6cc3a391fc8055499ca4e3"`
[INFO] [stdout] 3efdb90f0f7b6397c865a268621c5baf182d9dfa4b6cc3a391fc8055499ca4e3