[INFO] fetching crate spms_ring 0.1.4...
[INFO] testing spms_ring-0.1.4 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate spms_ring 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate spms_ring 0.1.4 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spms_ring 0.1.4
[INFO] finished tweaking crates.io crate spms_ring 0.1.4
[INFO] tweaked toml for crates.io crate spms_ring 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44020d48d0718407f428da9c7bb58549e368c0f44114ba673c3af95f33d8a849
[INFO] running `Command { std: "docker" "start" "-a" "44020d48d0718407f428da9c7bb58549e368c0f44114ba673c3af95f33d8a849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44020d48d0718407f428da9c7bb58549e368c0f44114ba673c3af95f33d8a849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44020d48d0718407f428da9c7bb58549e368c0f44114ba673c3af95f33d8a849", kill_on_drop: false }`
[INFO] [stdout] 44020d48d0718407f428da9c7bb58549e368c0f44114ba673c3af95f33d8a849
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c00272eb979229bf198d612d82ebb4dc66eaabfa8e2101ae2adf1ae1ecce3ad4
[INFO] running `Command { std: "docker" "start" "-a" "c00272eb979229bf198d612d82ebb4dc66eaabfa8e2101ae2adf1ae1ecce3ad4", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling spms_ring v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "c00272eb979229bf198d612d82ebb4dc66eaabfa8e2101ae2adf1ae1ecce3ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00272eb979229bf198d612d82ebb4dc66eaabfa8e2101ae2adf1ae1ecce3ad4", kill_on_drop: false }`
[INFO] [stdout] c00272eb979229bf198d612d82ebb4dc66eaabfa8e2101ae2adf1ae1ecce3ad4
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 755b834ec550225e60108c0d5690839c8b3f96ab18e800966c687ea618a904e1
[INFO] running `Command { std: "docker" "start" "-a" "755b834ec550225e60108c0d5690839c8b3f96ab18e800966c687ea618a904e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling spms_ring v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "755b834ec550225e60108c0d5690839c8b3f96ab18e800966c687ea618a904e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755b834ec550225e60108c0d5690839c8b3f96ab18e800966c687ea618a904e1", kill_on_drop: false }`
[INFO] [stdout] 755b834ec550225e60108c0d5690839c8b3f96ab18e800966c687ea618a904e1
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bd95793beb04e7eeb94ea590a49ef4d27ede34c92061c6a23b754dce93f3831
[INFO] running `Command { std: "docker" "start" "-a" "4bd95793beb04e7eeb94ea590a49ef4d27ede34c92061c6a23b754dce93f3831", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spms_ring-d0e6041d03adbe25)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::alternating_write_read ... ok
[INFO] [stdout] test tests::buffer_overflow_write_read ... ok
[INFO] [stdout] test tests::generation_overflow_write_read ... ok
[INFO] [stdout] test tests::sequential_write_read ... ok
[INFO] [stdout] test tests::verify_nonblocking ... ok
[INFO] [stdout] test tests::multithreaded_writer_readers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spms_ring
[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" "4bd95793beb04e7eeb94ea590a49ef4d27ede34c92061c6a23b754dce93f3831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd95793beb04e7eeb94ea590a49ef4d27ede34c92061c6a23b754dce93f3831", kill_on_drop: false }`
[INFO] [stdout] 4bd95793beb04e7eeb94ea590a49ef4d27ede34c92061c6a23b754dce93f3831