[INFO] updating cached repository inta/rust-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/inta/rust-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/inta/rust-playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/inta/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/inta/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/inta/rust-playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/inta/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/inta/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c951fc267c5ad5607ee0eece68c09706df39cd0
[INFO] sha for GitHub repo inta/rust-playground: 2c951fc267c5ad5607ee0eece68c09706df39cd0
[INFO] validating manifest of inta/rust-playground 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 inta/rust-playground 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 inta/rust-playground
[INFO] finished frobbing inta/rust-playground
[INFO] frobbed toml for inta/rust-playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/inta/rust-playground/Cargo.toml
[INFO] started frobbing inta/rust-playground
[INFO] finished frobbing inta/rust-playground
[INFO] frobbed toml for inta/rust-playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/inta/rust-playground/Cargo.toml
[INFO] crate inta/rust-playground 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 inta/rust-playground 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/inta/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4591a5e6815d2e90860aae49d8b218e5fab91e49764db8fa6870ed007194b375
[INFO] running `"docker" "start" "-a" "4591a5e6815d2e90860aae49d8b218e5fab91e49764db8fa6870ed007194b375"`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "4591a5e6815d2e90860aae49d8b218e5fab91e49764db8fa6870ed007194b375"`
[INFO] running `"docker" "rm" "-f" "4591a5e6815d2e90860aae49d8b218e5fab91e49764db8fa6870ed007194b375"`
[INFO] [stdout] 4591a5e6815d2e90860aae49d8b218e5fab91e49764db8fa6870ed007194b375
[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/inta/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 60e88bcdfe922891c6e15ad237068e923a5a1064edae438eddc6d679f4c6aeec
[INFO] running `"docker" "start" "-a" "60e88bcdfe922891c6e15ad237068e923a5a1064edae438eddc6d679f4c6aeec"`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "60e88bcdfe922891c6e15ad237068e923a5a1064edae438eddc6d679f4c6aeec"`
[INFO] running `"docker" "rm" "-f" "60e88bcdfe922891c6e15ad237068e923a5a1064edae438eddc6d679f4c6aeec"`
[INFO] [stdout] 60e88bcdfe922891c6e15ad237068e923a5a1064edae438eddc6d679f4c6aeec
[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/inta/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 63813f0f84649da8fc6f9e5315c66134811d19a26f42b0dbf2e595bc74163b1b
[INFO] running `"docker" "start" "-a" "63813f0f84649da8fc6f9e5315c66134811d19a26f42b0dbf2e595bc74163b1b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/playground-7377fbfcbe5e7799
[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" "63813f0f84649da8fc6f9e5315c66134811d19a26f42b0dbf2e595bc74163b1b"`
[INFO] running `"docker" "rm" "-f" "63813f0f84649da8fc6f9e5315c66134811d19a26f42b0dbf2e595bc74163b1b"`
[INFO] [stdout] 63813f0f84649da8fc6f9e5315c66134811d19a26f42b0dbf2e595bc74163b1b