[INFO] fetching crate zwohash 0.1.2...
[INFO] testing zwohash-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zwohash 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zwohash 0.1.2 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 zwohash 0.1.2
[INFO] finished tweaking crates.io crate zwohash 0.1.2
[INFO] tweaked toml for crates.io crate zwohash 0.1.2 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fddbe0bfd064f4a4e64efd97dec9a79967115ae400e4b12af15240f9d992c1f4
[INFO] running `Command { std: "docker" "start" "-a" "fddbe0bfd064f4a4e64efd97dec9a79967115ae400e4b12af15240f9d992c1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fddbe0bfd064f4a4e64efd97dec9a79967115ae400e4b12af15240f9d992c1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fddbe0bfd064f4a4e64efd97dec9a79967115ae400e4b12af15240f9d992c1f4", kill_on_drop: false }`
[INFO] [stdout] fddbe0bfd064f4a4e64efd97dec9a79967115ae400e4b12af15240f9d992c1f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 357fd67a0c85603f77ce318ca4a5504765cf8ef666c5c469d98cd07e5c77b5ad
[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" "357fd67a0c85603f77ce318ca4a5504765cf8ef666c5c469d98cd07e5c77b5ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling zwohash v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "357fd67a0c85603f77ce318ca4a5504765cf8ef666c5c469d98cd07e5c77b5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357fd67a0c85603f77ce318ca4a5504765cf8ef666c5c469d98cd07e5c77b5ad", kill_on_drop: false }`
[INFO] [stdout] 357fd67a0c85603f77ce318ca4a5504765cf8ef666c5c469d98cd07e5c77b5ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f4213505c4af7f984f2223d1d8fbfd43b23b08bade5075c5b8e6df5b130b6b4c
[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" "f4213505c4af7f984f2223d1d8fbfd43b23b08bade5075c5b8e6df5b130b6b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling zwohash v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "f4213505c4af7f984f2223d1d8fbfd43b23b08bade5075c5b8e6df5b130b6b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4213505c4af7f984f2223d1d8fbfd43b23b08bade5075c5b8e6df5b130b6b4c", kill_on_drop: false }`
[INFO] [stdout] f4213505c4af7f984f2223d1d8fbfd43b23b08bade5075c5b8e6df5b130b6b4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2168657a6a94e863cc63255b604866d23224fda4599eedd6e9e1a0780c9fcdd0
[INFO] running `Command { std: "docker" "start" "-a" "2168657a6a94e863cc63255b604866d23224fda4599eedd6e9e1a0780c9fcdd0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zwohash-be9c056808a3340f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::usize_byte_subbword_collision_rate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zwohash
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2168657a6a94e863cc63255b604866d23224fda4599eedd6e9e1a0780c9fcdd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2168657a6a94e863cc63255b604866d23224fda4599eedd6e9e1a0780c9fcdd0", kill_on_drop: false }`
[INFO] [stdout] 2168657a6a94e863cc63255b604866d23224fda4599eedd6e9e1a0780c9fcdd0