[INFO] crate cargo-x 0.3.6 is already in cache
[INFO] extracting crate cargo-x 0.3.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-x/0.3.6
[INFO] extracting crate cargo-x 0.3.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-x/0.3.6
[INFO] validating manifest of cargo-x-0.3.6 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 cargo-x-0.3.6 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 cargo-x-0.3.6
[INFO] finished frobbing cargo-x-0.3.6
[INFO] frobbed toml for cargo-x-0.3.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cargo-x/0.3.6/Cargo.toml
[INFO] started frobbing cargo-x-0.3.6
[INFO] finished frobbing cargo-x-0.3.6
[INFO] frobbed toml for cargo-x-0.3.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cargo-x/0.3.6/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 cargo-x-0.3.6 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/cargo-x/0.3.6:/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] e40edd5cb7109f7e495b4604de72b355b62160e56363db7a3a041f46c193c21a
[INFO] running `"docker" "start" "-a" "e40edd5cb7109f7e495b4604de72b355b62160e56363db7a3a041f46c193c21a"`
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling cargo-x v0.3.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.65s
[INFO] running `"docker" "inspect" "e40edd5cb7109f7e495b4604de72b355b62160e56363db7a3a041f46c193c21a"`
[INFO] running `"docker" "rm" "-f" "e40edd5cb7109f7e495b4604de72b355b62160e56363db7a3a041f46c193c21a"`
[INFO] [stdout] e40edd5cb7109f7e495b4604de72b355b62160e56363db7a3a041f46c193c21a
[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/cargo-x/0.3.6:/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] c93c05f797af2519b1886164e45b9e1306143b5c758d96b6272aa97ebb67ecac
[INFO] running `"docker" "start" "-a" "c93c05f797af2519b1886164e45b9e1306143b5c758d96b6272aa97ebb67ecac"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-x v0.3.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "c93c05f797af2519b1886164e45b9e1306143b5c758d96b6272aa97ebb67ecac"`
[INFO] running `"docker" "rm" "-f" "c93c05f797af2519b1886164e45b9e1306143b5c758d96b6272aa97ebb67ecac"`
[INFO] [stdout] c93c05f797af2519b1886164e45b9e1306143b5c758d96b6272aa97ebb67ecac
[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/cargo-x/0.3.6:/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] 57bb3529a0ff291354e54dbb4c92fad5f62c9bb1da0a6c03c45b03c82516d9a2
[INFO] running `"docker" "start" "-a" "57bb3529a0ff291354e54dbb4c92fad5f62c9bb1da0a6c03c45b03c82516d9a2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_x-e6ee4213dfd1059d
[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]      Running /opt/crater/target/debug/deps/cargo_x-b2cfebeaa2d3205c
[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]      Running /opt/crater/target/debug/deps/x-c7548b003f68065e
[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 cargo_x
[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" "57bb3529a0ff291354e54dbb4c92fad5f62c9bb1da0a6c03c45b03c82516d9a2"`
[INFO] running `"docker" "rm" "-f" "57bb3529a0ff291354e54dbb4c92fad5f62c9bb1da0a6c03c45b03c82516d9a2"`
[INFO] [stdout] 57bb3529a0ff291354e54dbb4c92fad5f62c9bb1da0a6c03c45b03c82516d9a2