[INFO] updating cached repository https://github.com/buntine/rust-smart-pointers-cow
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17ac1f11b17a1daf1b5d876439845a09acc61ee4
[INFO] testing buntine/rust-smart-pointers-cow against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuntine%2Frust-smart-pointers-cow" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buntine/rust-smart-pointers-cow on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/buntine/rust-smart-pointers-cow
[INFO] finished tweaking git repo https://github.com/buntine/rust-smart-pointers-cow
[INFO] tweaked toml for git repo https://github.com/buntine/rust-smart-pointers-cow written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/buntine/rust-smart-pointers-cow already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] fbef8f7865867c4173ef660f6ac2e75f46aabc7d2a0b3635f8bc96cfa06d8166
[INFO] running `"docker" "start" "-a" "fbef8f7865867c4173ef660f6ac2e75f46aabc7d2a0b3635f8bc96cfa06d8166"`
[INFO] [stderr]    Compiling cow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "fbef8f7865867c4173ef660f6ac2e75f46aabc7d2a0b3635f8bc96cfa06d8166"`
[INFO] running `"docker" "rm" "-f" "fbef8f7865867c4173ef660f6ac2e75f46aabc7d2a0b3635f8bc96cfa06d8166"`
[INFO] [stdout] fbef8f7865867c4173ef660f6ac2e75f46aabc7d2a0b3635f8bc96cfa06d8166
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 11121fd2454bb44bb740ec302d8329bb3f45e55ab2f4de4a9039008fa377aee5
[INFO] running `"docker" "start" "-a" "11121fd2454bb44bb740ec302d8329bb3f45e55ab2f4de4a9039008fa377aee5"`
[INFO] [stderr]    Compiling cow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "11121fd2454bb44bb740ec302d8329bb3f45e55ab2f4de4a9039008fa377aee5"`
[INFO] running `"docker" "rm" "-f" "11121fd2454bb44bb740ec302d8329bb3f45e55ab2f4de4a9039008fa377aee5"`
[INFO] [stdout] 11121fd2454bb44bb740ec302d8329bb3f45e55ab2f4de4a9039008fa377aee5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 53bc568ff215a58bcab96f4bddac4c9fa4059022afcdce6ad3104640b2b2b2cd
[INFO] running `"docker" "start" "-a" "53bc568ff215a58bcab96f4bddac4c9fa4059022afcdce6ad3104640b2b2b2cd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cow-777b3273c16380ad
[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" "53bc568ff215a58bcab96f4bddac4c9fa4059022afcdce6ad3104640b2b2b2cd"`
[INFO] running `"docker" "rm" "-f" "53bc568ff215a58bcab96f4bddac4c9fa4059022afcdce6ad3104640b2b2b2cd"`
[INFO] [stdout] 53bc568ff215a58bcab96f4bddac4c9fa4059022afcdce6ad3104640b2b2b2cd