[INFO] crate vec_mut_scan 0.1.0 is already in cache
[INFO] extracting crate vec_mut_scan 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/vec_mut_scan/0.1.0
[INFO] extracting crate vec_mut_scan 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vec_mut_scan/0.1.0
[INFO] validating manifest of vec_mut_scan-0.1.0 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 vec_mut_scan-0.1.0 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 vec_mut_scan-0.1.0
[INFO] finished frobbing vec_mut_scan-0.1.0
[INFO] frobbed toml for vec_mut_scan-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vec_mut_scan/0.1.0/Cargo.toml
[INFO] started frobbing vec_mut_scan-0.1.0
[INFO] finished frobbing vec_mut_scan-0.1.0
[INFO] frobbed toml for vec_mut_scan-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vec_mut_scan/0.1.0/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 vec_mut_scan-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vec_mut_scan/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 09be5a3aa565d3a3302c8b6bda8e6da03c7dc33fa08dcb283e08aa0b06edd3c3
[INFO] running `"docker" "start" "-a" "09be5a3aa565d3a3302c8b6bda8e6da03c7dc33fa08dcb283e08aa0b06edd3c3"`
[INFO] [stderr]    Compiling vec_mut_scan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "09be5a3aa565d3a3302c8b6bda8e6da03c7dc33fa08dcb283e08aa0b06edd3c3"`
[INFO] running `"docker" "rm" "-f" "09be5a3aa565d3a3302c8b6bda8e6da03c7dc33fa08dcb283e08aa0b06edd3c3"`
[INFO] [stdout] 09be5a3aa565d3a3302c8b6bda8e6da03c7dc33fa08dcb283e08aa0b06edd3c3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vec_mut_scan/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 424e30626e7dec7de7bb747c3e4fa44e081f3b6f2b19412cb4f9a06e4e1537a3
[INFO] running `"docker" "start" "-a" "424e30626e7dec7de7bb747c3e4fa44e081f3b6f2b19412cb4f9a06e4e1537a3"`
[INFO] [stderr]    Compiling proptest v0.9.4
[INFO] [stderr]    Compiling vec_mut_scan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.11s
[INFO] running `"docker" "inspect" "424e30626e7dec7de7bb747c3e4fa44e081f3b6f2b19412cb4f9a06e4e1537a3"`
[INFO] running `"docker" "rm" "-f" "424e30626e7dec7de7bb747c3e4fa44e081f3b6f2b19412cb4f9a06e4e1537a3"`
[INFO] [stdout] 424e30626e7dec7de7bb747c3e4fa44e081f3b6f2b19412cb4f9a06e4e1537a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vec_mut_scan/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7ca6627ab4188cac6f0e49014f2a2270fefb3edbb5a0df27cb1b471b8c6d8faf
[INFO] running `"docker" "start" "-a" "7ca6627ab4188cac6f0e49014f2a2270fefb3edbb5a0df27cb1b471b8c6d8faf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vec_mut_scan-bb1cf8266730eae1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::check_item_drops ... ok
[INFO] [stdout] test tests::mutate_and_remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec_mut_scan
[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" "7ca6627ab4188cac6f0e49014f2a2270fefb3edbb5a0df27cb1b471b8c6d8faf"`
[INFO] running `"docker" "rm" "-f" "7ca6627ab4188cac6f0e49014f2a2270fefb3edbb5a0df27cb1b471b8c6d8faf"`
[INFO] [stdout] 7ca6627ab4188cac6f0e49014f2a2270fefb3edbb5a0df27cb1b471b8c6d8faf