[INFO] crate helper 1.0.0 is already in cache
[INFO] extracting crate helper 1.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/helper/1.0.0
[INFO] extracting crate helper 1.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/helper/1.0.0
[INFO] validating manifest of helper-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 helper-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 helper-1.0.0
[INFO] finished frobbing helper-1.0.0
[INFO] frobbed toml for helper-1.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/helper/1.0.0/Cargo.toml
[INFO] started frobbing helper-1.0.0
[INFO] finished frobbing helper-1.0.0
[INFO] frobbed toml for helper-1.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/helper/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] [stderr]     Blocking waiting for file lock on package cache lock
[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 helper-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-0/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/helper/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] 6931b5224f34c9e8803ccefb351a699f3ce5a804e5238888faeeb80401e9bf80
[INFO] running `"docker" "start" "-a" "6931b5224f34c9e8803ccefb351a699f3ce5a804e5238888faeeb80401e9bf80"`
[INFO] [stderr]    Compiling helper v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "6931b5224f34c9e8803ccefb351a699f3ce5a804e5238888faeeb80401e9bf80"`
[INFO] running `"docker" "rm" "-f" "6931b5224f34c9e8803ccefb351a699f3ce5a804e5238888faeeb80401e9bf80"`
[INFO] [stdout] 6931b5224f34c9e8803ccefb351a699f3ce5a804e5238888faeeb80401e9bf80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/helper/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] 488ee99e41923136c7f1d8773f2d5f5dbf607ec46fdda3498d5b8c7ac7bc67b9
[INFO] running `"docker" "start" "-a" "488ee99e41923136c7f1d8773f2d5f5dbf607ec46fdda3498d5b8c7ac7bc67b9"`
[INFO] [stderr]    Compiling helper v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "488ee99e41923136c7f1d8773f2d5f5dbf607ec46fdda3498d5b8c7ac7bc67b9"`
[INFO] running `"docker" "rm" "-f" "488ee99e41923136c7f1d8773f2d5f5dbf607ec46fdda3498d5b8c7ac7bc67b9"`
[INFO] [stdout] 488ee99e41923136c7f1d8773f2d5f5dbf607ec46fdda3498d5b8c7ac7bc67b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/helper/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] a6d0926c1c7e05a963d5775cb0dd91afae78841b940dec9c882a203cd8e5b0db
[INFO] running `"docker" "start" "-a" "a6d0926c1c7e05a963d5775cb0dd91afae78841b940dec9c882a203cd8e5b0db"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/helper-54d932864e342fba
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_if ... 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 helper
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - if (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a6d0926c1c7e05a963d5775cb0dd91afae78841b940dec9c882a203cd8e5b0db"`
[INFO] running `"docker" "rm" "-f" "a6d0926c1c7e05a963d5775cb0dd91afae78841b940dec9c882a203cd8e5b0db"`
[INFO] [stdout] a6d0926c1c7e05a963d5775cb0dd91afae78841b940dec9c882a203cd8e5b0db