[INFO] fetching crate zerobuf 0.0.3...
[INFO] testing zerobuf-0.0.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zerobuf 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zerobuf 0.0.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerobuf 0.0.3
[INFO] finished tweaking crates.io crate zerobuf 0.0.3
[INFO] tweaked toml for crates.io crate zerobuf 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 324ef9693da9d9fe03a62e6045e2813951a9bad1bf8e21d0e8f25b74cb70b4d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "324ef9693da9d9fe03a62e6045e2813951a9bad1bf8e21d0e8f25b74cb70b4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "324ef9693da9d9fe03a62e6045e2813951a9bad1bf8e21d0e8f25b74cb70b4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324ef9693da9d9fe03a62e6045e2813951a9bad1bf8e21d0e8f25b74cb70b4d7", kill_on_drop: false }`
[INFO] [stdout] 324ef9693da9d9fe03a62e6045e2813951a9bad1bf8e21d0e8f25b74cb70b4d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e360340be9ef04483a2593202677e2cc86f69f21bb3ceb6ee3608564b748530
[INFO] running `Command { std: "docker" "start" "-a" "0e360340be9ef04483a2593202677e2cc86f69f21bb3ceb6ee3608564b748530", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerobuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "0e360340be9ef04483a2593202677e2cc86f69f21bb3ceb6ee3608564b748530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e360340be9ef04483a2593202677e2cc86f69f21bb3ceb6ee3608564b748530", kill_on_drop: false }`
[INFO] [stdout] 0e360340be9ef04483a2593202677e2cc86f69f21bb3ceb6ee3608564b748530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb92706f09cb45552a613496ac4a85dfbd23c6fb8630161c1e6d82d392f8fb14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb92706f09cb45552a613496ac4a85dfbd23c6fb8630161c1e6d82d392f8fb14", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerobuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "eb92706f09cb45552a613496ac4a85dfbd23c6fb8630161c1e6d82d392f8fb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb92706f09cb45552a613496ac4a85dfbd23c6fb8630161c1e6d82d392f8fb14", kill_on_drop: false }`
[INFO] [stdout] eb92706f09cb45552a613496ac4a85dfbd23c6fb8630161c1e6d82d392f8fb14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22e898681425dfd4b93b698cae4cacb61cf5e17aec5774dad8e47ca5011440b5
[INFO] running `Command { std: "docker" "start" "-a" "22e898681425dfd4b93b698cae4cacb61cf5e17aec5774dad8e47ca5011440b5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zerobuf-532ab41769f362d3)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::destructor ... ok
[INFO] [stdout] test tests::hash_equal ... ok
[INFO] [stdout] test tests::simulate_push ... ok
[INFO] [stdout] test tests::growth ... ok
[INFO] [stdout] test tests::zero_sized ... ok
[INFO] [stdout] test tests::zero_value_primitives ... ok
[INFO] [stdout] test tests::zero_value_pointers ... ok
[INFO] [stdout] test tests::resize_to_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zerobuf
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - ZeroBuf<T, P>::grow (line 205) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T, P>::default_value (line 292) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T>::with_capacity (line 84) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T, P>::as_slice (line 143) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T, P>::as_slice_mut (line 164) ... ok
[INFO] [stdout] test src/params.rs - params (line 6) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T, P>::with_capacity_and_params (line 105) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22e898681425dfd4b93b698cae4cacb61cf5e17aec5774dad8e47ca5011440b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e898681425dfd4b93b698cae4cacb61cf5e17aec5774dad8e47ca5011440b5", kill_on_drop: false }`
[INFO] [stdout] 22e898681425dfd4b93b698cae4cacb61cf5e17aec5774dad8e47ca5011440b5