[INFO] fetching crate rustc-test-workspace-core 1.0.0...
[INFO] extracting crate rustc-test-workspace-core 1.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-test-workspace-core/1.0.0
[INFO] extracting crate rustc-test-workspace-core 1.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustc-test-workspace-core/1.0.0
[INFO] validating manifest of rustc-test-workspace-core-1.0.0 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 rustc-test-workspace-core-1.0.0 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 rustc-test-workspace-core-1.0.0
[INFO] finished frobbing rustc-test-workspace-core-1.0.0
[INFO] frobbed toml for rustc-test-workspace-core-1.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-test-workspace-core/1.0.0/Cargo.toml
[INFO] started frobbing rustc-test-workspace-core-1.0.0
[INFO] finished frobbing rustc-test-workspace-core-1.0.0
[INFO] frobbed toml for rustc-test-workspace-core-1.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustc-test-workspace-core/1.0.0/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] testing rustc-test-workspace-core-1.0.0 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/rustc-test-workspace-core/1.0.0:/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] c9e2b571ff6fc771e44fe660f001394a87df1c9a1d304a4c807c7fa32bce14d6
[INFO] running `"docker" "start" "-a" "c9e2b571ff6fc771e44fe660f001394a87df1c9a1d304a4c807c7fa32bce14d6"`
[INFO] [stderr]    Compiling rustc-test-workspace-core v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "c9e2b571ff6fc771e44fe660f001394a87df1c9a1d304a4c807c7fa32bce14d6"`
[INFO] running `"docker" "rm" "-f" "c9e2b571ff6fc771e44fe660f001394a87df1c9a1d304a4c807c7fa32bce14d6"`
[INFO] [stdout] c9e2b571ff6fc771e44fe660f001394a87df1c9a1d304a4c807c7fa32bce14d6
[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/rustc-test-workspace-core/1.0.0:/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] dbb9f824a661275ee8f593cd07157e67a594697077bdb386e791272af32a338d
[INFO] running `"docker" "start" "-a" "dbb9f824a661275ee8f593cd07157e67a594697077bdb386e791272af32a338d"`
[INFO] [stderr]    Compiling rustc-test-workspace-core v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "dbb9f824a661275ee8f593cd07157e67a594697077bdb386e791272af32a338d"`
[INFO] running `"docker" "rm" "-f" "dbb9f824a661275ee8f593cd07157e67a594697077bdb386e791272af32a338d"`
[INFO] [stdout] dbb9f824a661275ee8f593cd07157e67a594697077bdb386e791272af32a338d
[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/rustc-test-workspace-core/1.0.0:/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] 2c9341cef4509092a4b6bb85f73a6bb6ab0c0b147a4cb553e03c6f6dfdb50b81
[INFO] running `"docker" "start" "-a" "2c9341cef4509092a4b6bb85f73a6bb6ab0c0b147a4cb553e03c6f6dfdb50b81"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustc_test_workspace_core-a0fde10ec53a6cb1
[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] [stderr]    Doc-tests rustc-test-workspace-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" "2c9341cef4509092a4b6bb85f73a6bb6ab0c0b147a4cb553e03c6f6dfdb50b81"`
[INFO] running `"docker" "rm" "-f" "2c9341cef4509092a4b6bb85f73a6bb6ab0c0b147a4cb553e03c6f6dfdb50b81"`
[INFO] [stdout] 2c9341cef4509092a4b6bb85f73a6bb6ab0c0b147a4cb553e03c6f6dfdb50b81