[INFO] fetching crate ringbuf-blocking 0.1.0-rc.6...
[INFO] testing ringbuf-blocking-0.1.0-rc.6 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate ringbuf-blocking 0.1.0-rc.6 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ringbuf-blocking 0.1.0-rc.6
[INFO] finished tweaking crates.io crate ringbuf-blocking 0.1.0-rc.6
[INFO] tweaked toml for crates.io crate ringbuf-blocking 0.1.0-rc.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ringbuf-blocking 0.1.0-rc.6 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ringbuf-blocking 0.1.0-rc.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ringbuf v0.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 235bb1a50dee42cd2e11b4ccefeec6cb84586290f19daf2bc451d000db160b8b
[INFO] running `Command { std: "docker" "start" "-a" "235bb1a50dee42cd2e11b4ccefeec6cb84586290f19daf2bc451d000db160b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "235bb1a50dee42cd2e11b4ccefeec6cb84586290f19daf2bc451d000db160b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235bb1a50dee42cd2e11b4ccefeec6cb84586290f19daf2bc451d000db160b8b", kill_on_drop: false }`
[INFO] [stdout] 235bb1a50dee42cd2e11b4ccefeec6cb84586290f19daf2bc451d000db160b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a998d208638a102050c09d678583b0e2f94267b44bb4011c2d3291878f1b48f8
[INFO] running `Command { std: "docker" "start" "-a" "a998d208638a102050c09d678583b0e2f94267b44bb4011c2d3291878f1b48f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuf v0.4.9
[INFO] [stderr]    Compiling ringbuf-blocking v0.1.0-rc.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "a998d208638a102050c09d678583b0e2f94267b44bb4011c2d3291878f1b48f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a998d208638a102050c09d678583b0e2f94267b44bb4011c2d3291878f1b48f8", kill_on_drop: false }`
[INFO] [stdout] a998d208638a102050c09d678583b0e2f94267b44bb4011c2d3291878f1b48f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4293e406d6830b28d221dd30e2494851a2d3060045c943254a1713bace85948
[INFO] running `Command { std: "docker" "start" "-a" "e4293e406d6830b28d221dd30e2494851a2d3060045c943254a1713bace85948", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuf-blocking v0.1.0-rc.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "e4293e406d6830b28d221dd30e2494851a2d3060045c943254a1713bace85948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4293e406d6830b28d221dd30e2494851a2d3060045c943254a1713bace85948", kill_on_drop: false }`
[INFO] [stdout] e4293e406d6830b28d221dd30e2494851a2d3060045c943254a1713bace85948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 785c481ebabe14fbc77409132494bdaea050b84a53c12f4a7c4d84a249a225c2
[INFO] running `Command { std: "docker" "start" "-a" "785c481ebabe14fbc77409132494bdaea050b84a53c12f4a7c4d84a249a225c2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ringbuf_blocking-ffad1a72b1cb745b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::vec_all ... ok
[INFO] [stdout] test tests::wait ... ok
[INFO] [stdout] test tests::iter_all ... ok
[INFO] [stdout] test tests::write_read ... ok
[INFO] [stdout] test tests::slice_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringbuf_blocking
[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" "785c481ebabe14fbc77409132494bdaea050b84a53c12f4a7c4d84a249a225c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785c481ebabe14fbc77409132494bdaea050b84a53c12f4a7c4d84a249a225c2", kill_on_drop: false }`
[INFO] [stdout] 785c481ebabe14fbc77409132494bdaea050b84a53c12f4a7c4d84a249a225c2