[INFO] updating cached repository Journeycorner/tokio-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Journeycorner/tokio-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Journeycorner/tokio-playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/Journeycorner/tokio-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Journeycorner/tokio-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Journeycorner/tokio-playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Journeycorner/tokio-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Journeycorner/tokio-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75264ade9855b48f7b527a0642dfdb701458b2ac
[INFO] sha for GitHub repo Journeycorner/tokio-playground: 75264ade9855b48f7b527a0642dfdb701458b2ac
[INFO] validating manifest of Journeycorner/tokio-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 Journeycorner/tokio-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 Journeycorner/tokio-playground
[INFO] finished frobbing Journeycorner/tokio-playground
[INFO] frobbed toml for Journeycorner/tokio-playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/Journeycorner/tokio-playground/Cargo.toml
[INFO] started frobbing Journeycorner/tokio-playground
[INFO] finished frobbing Journeycorner/tokio-playground
[INFO] frobbed toml for Journeycorner/tokio-playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Journeycorner/tokio-playground/Cargo.toml
[INFO] crate Journeycorner/tokio-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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Journeycorner/tokio-playground against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Journeycorner/tokio-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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 326cbab319822fa554cf14ebfbf0da7aa35142749232bf607b4fc82502bfb767
[INFO] running `"docker" "start" "-a" "326cbab319822fa554cf14ebfbf0da7aa35142749232bf607b4fc82502bfb767"`
[INFO] [stderr]    Compiling tokio-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "326cbab319822fa554cf14ebfbf0da7aa35142749232bf607b4fc82502bfb767"`
[INFO] running `"docker" "rm" "-f" "326cbab319822fa554cf14ebfbf0da7aa35142749232bf607b4fc82502bfb767"`
[INFO] [stdout] 326cbab319822fa554cf14ebfbf0da7aa35142749232bf607b4fc82502bfb767
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Journeycorner/tokio-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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a9e4d882e136ffb1b66e0c541ab04221020ff6e5d10d4a7ccb38771937d84c5b
[INFO] running `"docker" "start" "-a" "a9e4d882e136ffb1b66e0c541ab04221020ff6e5d10d4a7ccb38771937d84c5b"`
[INFO] [stderr]    Compiling tokio-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "a9e4d882e136ffb1b66e0c541ab04221020ff6e5d10d4a7ccb38771937d84c5b"`
[INFO] running `"docker" "rm" "-f" "a9e4d882e136ffb1b66e0c541ab04221020ff6e5d10d4a7ccb38771937d84c5b"`
[INFO] [stdout] a9e4d882e136ffb1b66e0c541ab04221020ff6e5d10d4a7ccb38771937d84c5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Journeycorner/tokio-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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] a716a512610ece4667f197993a3ec9de444ea24c0812599d6e8b9fdf6961cddd
[INFO] running `"docker" "start" "-a" "a716a512610ece4667f197993a3ec9de444ea24c0812599d6e8b9fdf6961cddd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_playground-93f7ac017a6de15f
[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" "a716a512610ece4667f197993a3ec9de444ea24c0812599d6e8b9fdf6961cddd"`
[INFO] running `"docker" "rm" "-f" "a716a512610ece4667f197993a3ec9de444ea24c0812599d6e8b9fdf6961cddd"`
[INFO] [stdout] a716a512610ece4667f197993a3ec9de444ea24c0812599d6e8b9fdf6961cddd