[INFO] updating cached repository rchaser53/rust_playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rchaser53/rust_playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rchaser53/rust_playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/rchaser53/rust_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rchaser53/rust_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rchaser53/rust_playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rchaser53/rust_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rchaser53/rust_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65526d9ec11d37c2f24a77328f6ce598afe8c87d
[INFO] sha for GitHub repo rchaser53/rust_playground: 65526d9ec11d37c2f24a77328f6ce598afe8c87d
[INFO] validating manifest of rchaser53/rust_playground 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 rchaser53/rust_playground 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 rchaser53/rust_playground
[INFO] finished frobbing rchaser53/rust_playground
[INFO] frobbed toml for rchaser53/rust_playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/rchaser53/rust_playground/Cargo.toml
[INFO] started frobbing rchaser53/rust_playground
[INFO] finished frobbing rchaser53/rust_playground
[INFO] frobbed toml for rchaser53/rust_playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rchaser53/rust_playground/Cargo.toml
[INFO] crate rchaser53/rust_playground 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 rchaser53/rust_playground 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rchaser53/rust_playground:/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] 80b644d99579ba676b5adc0e24f2c39045f90df6beae87245a0d7d731040bd63
[INFO] running `"docker" "start" "-a" "80b644d99579ba676b5adc0e24f2c39045f90df6beae87245a0d7d731040bd63"`
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling rustfmt v0.10.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling mio v0.6.12
[INFO] [stderr]    Compiling strings v0.1.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling extprim v1.5.1
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling rayon v1.0.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]    Compiling like_cron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `"docker" "inspect" "80b644d99579ba676b5adc0e24f2c39045f90df6beae87245a0d7d731040bd63"`
[INFO] running `"docker" "rm" "-f" "80b644d99579ba676b5adc0e24f2c39045f90df6beae87245a0d7d731040bd63"`
[INFO] [stdout] 80b644d99579ba676b5adc0e24f2c39045f90df6beae87245a0d7d731040bd63
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rchaser53/rust_playground:/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] 2bdad08ec9a65813309a4deed9f9d2e451e1946bd77e34bc57b78ba2d2dbd254
[INFO] running `"docker" "start" "-a" "2bdad08ec9a65813309a4deed9f9d2e451e1946bd77e34bc57b78ba2d2dbd254"`
[INFO] [stderr]    Compiling like_cron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "2bdad08ec9a65813309a4deed9f9d2e451e1946bd77e34bc57b78ba2d2dbd254"`
[INFO] running `"docker" "rm" "-f" "2bdad08ec9a65813309a4deed9f9d2e451e1946bd77e34bc57b78ba2d2dbd254"`
[INFO] [stdout] 2bdad08ec9a65813309a4deed9f9d2e451e1946bd77e34bc57b78ba2d2dbd254
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rchaser53/rust_playground:/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] b34373d29034f4b7e919968c67b531d8c86ac06dda80d34f7cd7c829bbe688eb
[INFO] running `"docker" "start" "-a" "b34373d29034f4b7e919968c67b531d8c86ac06dda80d34f7cd7c829bbe688eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/like_cron-0b28a4538736507b
[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" "b34373d29034f4b7e919968c67b531d8c86ac06dda80d34f7cd7c829bbe688eb"`
[INFO] running `"docker" "rm" "-f" "b34373d29034f4b7e919968c67b531d8c86ac06dda80d34f7cd7c829bbe688eb"`
[INFO] [stdout] b34373d29034f4b7e919968c67b531d8c86ac06dda80d34f7cd7c829bbe688eb