[INFO] fetching crate spsc-ringbuf-core 0.1.0...
[INFO] testing spsc-ringbuf-core-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate spsc-ringbuf-core 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate spsc-ringbuf-core 0.1.0
[INFO] finished tweaking crates.io crate spsc-ringbuf-core 0.1.0
[INFO] tweaked toml for crates.io crate spsc-ringbuf-core 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spsc-ringbuf-core 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7df648fa11a37856a57f44577cb0f5e8004819af57cb16144acd8072c83a0c18
[INFO] running `Command { std: "docker" "start" "-a" "7df648fa11a37856a57f44577cb0f5e8004819af57cb16144acd8072c83a0c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7df648fa11a37856a57f44577cb0f5e8004819af57cb16144acd8072c83a0c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df648fa11a37856a57f44577cb0f5e8004819af57cb16144acd8072c83a0c18", kill_on_drop: false }`
[INFO] [stdout] 7df648fa11a37856a57f44577cb0f5e8004819af57cb16144acd8072c83a0c18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3f13f8bc487e1c4236827d9c8f4af18d690ce3e654c7477eeb79b78dbe253f9
[INFO] running `Command { std: "docker" "start" "-a" "e3f13f8bc487e1c4236827d9c8f4af18d690ce3e654c7477eeb79b78dbe253f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling spsc-ringbuf-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "e3f13f8bc487e1c4236827d9c8f4af18d690ce3e654c7477eeb79b78dbe253f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f13f8bc487e1c4236827d9c8f4af18d690ce3e654c7477eeb79b78dbe253f9", kill_on_drop: false }`
[INFO] [stdout] e3f13f8bc487e1c4236827d9c8f4af18d690ce3e654c7477eeb79b78dbe253f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fbca89fe4f2fc6d149e7cebece9fa6dbe52962524cad5e0e4d2769f4e98ab4d
[INFO] running `Command { std: "docker" "start" "-a" "6fbca89fe4f2fc6d149e7cebece9fa6dbe52962524cad5e0e4d2769f4e98ab4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling spsc-ringbuf-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "6fbca89fe4f2fc6d149e7cebece9fa6dbe52962524cad5e0e4d2769f4e98ab4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbca89fe4f2fc6d149e7cebece9fa6dbe52962524cad5e0e4d2769f4e98ab4d", kill_on_drop: false }`
[INFO] [stdout] 6fbca89fe4f2fc6d149e7cebece9fa6dbe52962524cad5e0e4d2769f4e98ab4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90553d62f359f51cb739919b22bdced3ed042b97b9991cc1a4233d84b71beabb
[INFO] running `Command { std: "docker" "start" "-a" "90553d62f359f51cb739919b22bdced3ed042b97b9991cc1a4233d84b71beabb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test ringbuf_ref::tests::ping_pong ... ok
[INFO] [stdout] test ringbuf::tests::test_mut_split ... ok
[INFO] [stdout] test ringbuf_ref::tests::power_of_two_len ... ok
[INFO] [stdout] test ringbuf_ref::tests::non_power_of_two_len ... ok
[INFO] [stdout] test ringbuf_ref::tests::validate_size ... ok
[INFO] [stdout] test shared_singleton::tests::ownership_changes ... ok
[INFO] [stdout] test ringbuf_ref::tests::single ... ok
[INFO] [stdout] test shared_pool::tests::test_basic ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spsc_ringbuf_core-736db688dc3816c0)
[INFO] [stdout] test ringbuf_ref::tests::power_of_two_len_wrap ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-415dd1c0e3aa1f76)
[INFO] [stdout] test ringbuf_ref::tests::static_instance_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_errors ... ok
[INFO] [stderr]    Doc-tests spsc_ringbuf_core
[INFO] [stdout] test test_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.87s
[INFO] [stdout] 
[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" "90553d62f359f51cb739919b22bdced3ed042b97b9991cc1a4233d84b71beabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90553d62f359f51cb739919b22bdced3ed042b97b9991cc1a4233d84b71beabb", kill_on_drop: false }`
[INFO] [stdout] 90553d62f359f51cb739919b22bdced3ed042b97b9991cc1a4233d84b71beabb