[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-1.37-6/sources/1.36.0/reg/vec_mut_scan/0.1.0
[INFO] extracting crate vec_mut_scan 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vec_mut_scan/0.1.0
[INFO] validating manifest of vec_mut_scan-0.1.0 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 vec_mut_scan-0.1.0 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 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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/vec_mut_scan/0.1.0/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 vec_mut_scan-0.1.0 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-5/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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5e9497d1782a165deb42627e1ebb2f4808150c31b1528bec4b24bfaf9aba6e21
[INFO] running `"docker" "start" "-a" "5e9497d1782a165deb42627e1ebb2f4808150c31b1528bec4b24bfaf9aba6e21"`
[INFO] [stderr]    Compiling vec_mut_scan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "5e9497d1782a165deb42627e1ebb2f4808150c31b1528bec4b24bfaf9aba6e21"`
[INFO] running `"docker" "rm" "-f" "5e9497d1782a165deb42627e1ebb2f4808150c31b1528bec4b24bfaf9aba6e21"`
[INFO] [stdout] 5e9497d1782a165deb42627e1ebb2f4808150c31b1528bec4b24bfaf9aba6e21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5b2af9efe995078b0beaba30252e490ed266fb4246f8530bb19d3c9823d5b1ba
[INFO] running `"docker" "start" "-a" "5b2af9efe995078b0beaba30252e490ed266fb4246f8530bb19d3c9823d5b1ba"`
[INFO] [stderr]    Compiling rand v0.6.5
[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 21.11s
[INFO] running `"docker" "inspect" "5b2af9efe995078b0beaba30252e490ed266fb4246f8530bb19d3c9823d5b1ba"`
[INFO] running `"docker" "rm" "-f" "5b2af9efe995078b0beaba30252e490ed266fb4246f8530bb19d3c9823d5b1ba"`
[INFO] [stdout] 5b2af9efe995078b0beaba30252e490ed266fb4246f8530bb19d3c9823d5b1ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 63c4a9ff7820c9b8b5de00374d7c337c4a3383fc50cc0ee996efa30ae6a25e61
[INFO] running `"docker" "start" "-a" "63c4a9ff7820c9b8b5de00374d7c337c4a3383fc50cc0ee996efa30ae6a25e61"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vec_mut_scan-755f46d37043aaff
[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" "63c4a9ff7820c9b8b5de00374d7c337c4a3383fc50cc0ee996efa30ae6a25e61"`
[INFO] running `"docker" "rm" "-f" "63c4a9ff7820c9b8b5de00374d7c337c4a3383fc50cc0ee996efa30ae6a25e61"`
[INFO] [stdout] 63c4a9ff7820c9b8b5de00374d7c337c4a3383fc50cc0ee996efa30ae6a25e61