[INFO] fetching crate zerobuf 0.0.3...
[INFO] testing zerobuf-0.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate zerobuf 0.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate zerobuf 0.0.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee8f9fed6e95b9098ace6b18b0d98179b0c90400949cd3bf9987bccee91fabf3
[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" "ee8f9fed6e95b9098ace6b18b0d98179b0c90400949cd3bf9987bccee91fabf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee8f9fed6e95b9098ace6b18b0d98179b0c90400949cd3bf9987bccee91fabf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8f9fed6e95b9098ace6b18b0d98179b0c90400949cd3bf9987bccee91fabf3", kill_on_drop: false }`
[INFO] [stdout] ee8f9fed6e95b9098ace6b18b0d98179b0c90400949cd3bf9987bccee91fabf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f3e79e5296bf5cf0daf4979c00177c7faf7ed79ff697b8b64fe06a900c71b734
[INFO] running `Command { std: "docker" "start" "-a" "f3e79e5296bf5cf0daf4979c00177c7faf7ed79ff697b8b64fe06a900c71b734", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerobuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "f3e79e5296bf5cf0daf4979c00177c7faf7ed79ff697b8b64fe06a900c71b734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e79e5296bf5cf0daf4979c00177c7faf7ed79ff697b8b64fe06a900c71b734", kill_on_drop: false }`
[INFO] [stdout] f3e79e5296bf5cf0daf4979c00177c7faf7ed79ff697b8b64fe06a900c71b734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 66b1b99ce1cd810fb8a050c0e76642aac991f89b59b775ec86effc8f433feb18
[INFO] running `Command { std: "docker" "start" "-a" "66b1b99ce1cd810fb8a050c0e76642aac991f89b59b775ec86effc8f433feb18", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerobuf v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "66b1b99ce1cd810fb8a050c0e76642aac991f89b59b775ec86effc8f433feb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b1b99ce1cd810fb8a050c0e76642aac991f89b59b775ec86effc8f433feb18", kill_on_drop: false }`
[INFO] [stdout] 66b1b99ce1cd810fb8a050c0e76642aac991f89b59b775ec86effc8f433feb18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24a40e70f5309d7b68fc8c77e5d1ccca8dc0d3b3a76daebc3b2b2e04e20de13c
[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" "24a40e70f5309d7b68fc8c77e5d1ccca8dc0d3b3a76daebc3b2b2e04e20de13c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zerobuf-15c4590c0ec99147
[INFO] [stdout] test tests::destructor ... ok
[INFO] [stderr]    Doc-tests zerobuf
[INFO] [stdout] test tests::growth ... ok
[INFO] [stdout] test tests::resize_to_zero ... ok
[INFO] [stdout] test tests::hash_equal ... ok
[INFO] [stdout] test tests::zero_value_primitives ... ok
[INFO] [stdout] test tests::zero_value_pointers ... ok
[INFO] [stdout] test tests::simulate_push ... ok
[INFO] [stdout] test tests::zero_sized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - ZeroBuf<T, P>::default_value (line 292) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T, P>::grow (line 205) ... ok
[INFO] [stdout] test src/params.rs - params (line 6) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T, P>::as_slice_mut (line 164) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T, P>::as_slice (line 143) ... ok
[INFO] [stdout] test src/lib.rs - ZeroBuf<T>::with_capacity (line 84) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24a40e70f5309d7b68fc8c77e5d1ccca8dc0d3b3a76daebc3b2b2e04e20de13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a40e70f5309d7b68fc8c77e5d1ccca8dc0d3b3a76daebc3b2b2e04e20de13c", kill_on_drop: false }`
[INFO] [stdout] 24a40e70f5309d7b68fc8c77e5d1ccca8dc0d3b3a76daebc3b2b2e04e20de13c