[INFO] updating cached repository buntine/rust-smart-pointers-cow
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/buntine/rust-smart-pointers-cow
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/buntine/rust-smart-pointers-cow" "work/ex/beta-1.37-6/sources/1.36.0/gh/buntine/rust-smart-pointers-cow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/buntine/rust-smart-pointers-cow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/buntine/rust-smart-pointers-cow" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/buntine/rust-smart-pointers-cow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/buntine/rust-smart-pointers-cow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17ac1f11b17a1daf1b5d876439845a09acc61ee4
[INFO] sha for GitHub repo buntine/rust-smart-pointers-cow: 17ac1f11b17a1daf1b5d876439845a09acc61ee4
[INFO] validating manifest of buntine/rust-smart-pointers-cow 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 buntine/rust-smart-pointers-cow 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 buntine/rust-smart-pointers-cow
[INFO] finished frobbing buntine/rust-smart-pointers-cow
[INFO] frobbed toml for buntine/rust-smart-pointers-cow written to work/ex/beta-1.37-6/sources/1.36.0/gh/buntine/rust-smart-pointers-cow/Cargo.toml
[INFO] started frobbing buntine/rust-smart-pointers-cow
[INFO] finished frobbing buntine/rust-smart-pointers-cow
[INFO] frobbed toml for buntine/rust-smart-pointers-cow written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/buntine/rust-smart-pointers-cow/Cargo.toml
[INFO] crate buntine/rust-smart-pointers-cow already has a lockfile, it will not be regenerated
[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 buntine/rust-smart-pointers-cow 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/gh/buntine/rust-smart-pointers-cow:/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] 99e0e2f99b1dcb1e1b1c69f8c1c61369298922a8066d4f5661eb6073a8fcada4
[INFO] running `"docker" "start" "-a" "99e0e2f99b1dcb1e1b1c69f8c1c61369298922a8066d4f5661eb6073a8fcada4"`
[INFO] [stderr]    Compiling cow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "99e0e2f99b1dcb1e1b1c69f8c1c61369298922a8066d4f5661eb6073a8fcada4"`
[INFO] running `"docker" "rm" "-f" "99e0e2f99b1dcb1e1b1c69f8c1c61369298922a8066d4f5661eb6073a8fcada4"`
[INFO] [stdout] 99e0e2f99b1dcb1e1b1c69f8c1c61369298922a8066d4f5661eb6073a8fcada4
[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/gh/buntine/rust-smart-pointers-cow:/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] ef96748d30994f3fed00c974c5b5b1f8d923eb62f6b7b68825506fbed3b23d17
[INFO] running `"docker" "start" "-a" "ef96748d30994f3fed00c974c5b5b1f8d923eb62f6b7b68825506fbed3b23d17"`
[INFO] [stderr]    Compiling cow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "ef96748d30994f3fed00c974c5b5b1f8d923eb62f6b7b68825506fbed3b23d17"`
[INFO] running `"docker" "rm" "-f" "ef96748d30994f3fed00c974c5b5b1f8d923eb62f6b7b68825506fbed3b23d17"`
[INFO] [stdout] ef96748d30994f3fed00c974c5b5b1f8d923eb62f6b7b68825506fbed3b23d17
[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/gh/buntine/rust-smart-pointers-cow:/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] 7e0c4f33db708df1ef350e43f8c356154e47f47e30bc090ae5b1713e12c9f6ec
[INFO] running `"docker" "start" "-a" "7e0c4f33db708df1ef350e43f8c356154e47f47e30bc090ae5b1713e12c9f6ec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cow-38214a3eaa309ee2
[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" "7e0c4f33db708df1ef350e43f8c356154e47f47e30bc090ae5b1713e12c9f6ec"`
[INFO] running `"docker" "rm" "-f" "7e0c4f33db708df1ef350e43f8c356154e47f47e30bc090ae5b1713e12c9f6ec"`
[INFO] [stdout] 7e0c4f33db708df1ef350e43f8c356154e47f47e30bc090ae5b1713e12c9f6ec