[INFO] crate is 0.6.0 is already in cache
[INFO] extracting crate is 0.6.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/is/0.6.0
[INFO] extracting crate is 0.6.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/is/0.6.0
[INFO] validating manifest of is-0.6.0 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 is-0.6.0 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 is-0.6.0
[INFO] finished frobbing is-0.6.0
[INFO] frobbed toml for is-0.6.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/is/0.6.0/Cargo.toml
[INFO] started frobbing is-0.6.0
[INFO] finished frobbing is-0.6.0
[INFO] frobbed toml for is-0.6.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/is/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing is-0.6.0 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/is/0.6.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e10f6c5cd615d9ccebeffdef195007f482137e9532fab49bd8ddc21a8453d008
[INFO] running `"docker" "start" "-a" "e10f6c5cd615d9ccebeffdef195007f482137e9532fab49bd8ddc21a8453d008"`
[INFO] [stderr]    Compiling is v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "e10f6c5cd615d9ccebeffdef195007f482137e9532fab49bd8ddc21a8453d008"`
[INFO] running `"docker" "rm" "-f" "e10f6c5cd615d9ccebeffdef195007f482137e9532fab49bd8ddc21a8453d008"`
[INFO] [stdout] e10f6c5cd615d9ccebeffdef195007f482137e9532fab49bd8ddc21a8453d008
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/is/0.6.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c37106b90219ec90c3d56e52135fae4d2104adc204e0ef320882f2d763f63a67
[INFO] running `"docker" "start" "-a" "c37106b90219ec90c3d56e52135fae4d2104adc204e0ef320882f2d763f63a67"`
[INFO] [stderr]    Compiling is v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "c37106b90219ec90c3d56e52135fae4d2104adc204e0ef320882f2d763f63a67"`
[INFO] running `"docker" "rm" "-f" "c37106b90219ec90c3d56e52135fae4d2104adc204e0ef320882f2d763f63a67"`
[INFO] [stdout] c37106b90219ec90c3d56e52135fae4d2104adc204e0ef320882f2d763f63a67
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/is/0.6.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8653e0410b4a93d828e0949880c6a80df49f4b17fc4dfa08756c833b696111d2
[INFO] running `"docker" "start" "-a" "8653e0410b4a93d828e0949880c6a80df49f4b17fc4dfa08756c833b696111d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/is-eab77172f383269e
[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 is
[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" "8653e0410b4a93d828e0949880c6a80df49f4b17fc4dfa08756c833b696111d2"`
[INFO] running `"docker" "rm" "-f" "8653e0410b4a93d828e0949880c6a80df49f4b17fc4dfa08756c833b696111d2"`
[INFO] [stdout] 8653e0410b4a93d828e0949880c6a80df49f4b17fc4dfa08756c833b696111d2