[INFO] fetching crate async-core 0.1.0...
[INFO] extracting crate async-core 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/async-core/0.1.0
[INFO] extracting crate async-core 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-core/0.1.0
[INFO] validating manifest of async-core-0.1.0 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 async-core-0.1.0 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 async-core-0.1.0
[INFO] finished frobbing async-core-0.1.0
[INFO] frobbed toml for async-core-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/async-core/0.1.0/Cargo.toml
[INFO] started frobbing async-core-0.1.0
[INFO] finished frobbing async-core-0.1.0
[INFO] frobbed toml for async-core-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/async-core/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing async-core-0.1.0 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/reg/async-core/0.1.0:/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] 051ddcf9ae5587c7c6ccba189c60fe8f69b149fe3498c11547674005529713cd
[INFO] running `"docker" "start" "-a" "051ddcf9ae5587c7c6ccba189c60fe8f69b149fe3498c11547674005529713cd"`
[INFO] [stderr]    Compiling async-core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `"docker" "inspect" "051ddcf9ae5587c7c6ccba189c60fe8f69b149fe3498c11547674005529713cd"`
[INFO] running `"docker" "rm" "-f" "051ddcf9ae5587c7c6ccba189c60fe8f69b149fe3498c11547674005529713cd"`
[INFO] [stdout] 051ddcf9ae5587c7c6ccba189c60fe8f69b149fe3498c11547674005529713cd
[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/reg/async-core/0.1.0:/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] affb6c213da1531a4a9dcfadf85f9b688ed5ef5216e966b1d22ea2b4b79602c8
[INFO] running `"docker" "start" "-a" "affb6c213da1531a4a9dcfadf85f9b688ed5ef5216e966b1d22ea2b4b79602c8"`
[INFO] [stderr]    Compiling async-core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "affb6c213da1531a4a9dcfadf85f9b688ed5ef5216e966b1d22ea2b4b79602c8"`
[INFO] running `"docker" "rm" "-f" "affb6c213da1531a4a9dcfadf85f9b688ed5ef5216e966b1d22ea2b4b79602c8"`
[INFO] [stdout] affb6c213da1531a4a9dcfadf85f9b688ed5ef5216e966b1d22ea2b4b79602c8
[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/reg/async-core/0.1.0:/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] b587ceadcf70aee7bc2e7650d9856ed667017c26cd1318d9650efcca44addf59
[INFO] running `"docker" "start" "-a" "b587ceadcf70aee7bc2e7650d9856ed667017c26cd1318d9650efcca44addf59"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_core-c2a2844e1b482c01
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-core
[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" "b587ceadcf70aee7bc2e7650d9856ed667017c26cd1318d9650efcca44addf59"`
[INFO] running `"docker" "rm" "-f" "b587ceadcf70aee7bc2e7650d9856ed667017c26cd1318d9650efcca44addf59"`
[INFO] [stdout] b587ceadcf70aee7bc2e7650d9856ed667017c26cd1318d9650efcca44addf59