[INFO] fetching crate spsc-ringbuf-core 0.1.0...
[INFO] testing spsc-ringbuf-core-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate spsc-ringbuf-core 0.1.0 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spsc-ringbuf-core 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 272e16d7d7a151008cfa49b05a920822b3659da701f2aaa35baa163e55020e3d
[INFO] running `Command { std: "docker" "start" "-a" "272e16d7d7a151008cfa49b05a920822b3659da701f2aaa35baa163e55020e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "272e16d7d7a151008cfa49b05a920822b3659da701f2aaa35baa163e55020e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272e16d7d7a151008cfa49b05a920822b3659da701f2aaa35baa163e55020e3d", kill_on_drop: false }`
[INFO] [stdout] 272e16d7d7a151008cfa49b05a920822b3659da701f2aaa35baa163e55020e3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7dbf739ab0ae3e1d547e16287a0beb3d7dc87156b44d06cd3e10c3b5164ae16
[INFO] running `Command { std: "docker" "start" "-a" "a7dbf739ab0ae3e1d547e16287a0beb3d7dc87156b44d06cd3e10c3b5164ae16", 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 0.14s
[INFO] running `Command { std: "docker" "inspect" "a7dbf739ab0ae3e1d547e16287a0beb3d7dc87156b44d06cd3e10c3b5164ae16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7dbf739ab0ae3e1d547e16287a0beb3d7dc87156b44d06cd3e10c3b5164ae16", kill_on_drop: false }`
[INFO] [stdout] a7dbf739ab0ae3e1d547e16287a0beb3d7dc87156b44d06cd3e10c3b5164ae16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed442a5a3ed2f338c53987d6583288b1095caf242a5233090c2da9e4163d0d67
[INFO] running `Command { std: "docker" "start" "-a" "ed442a5a3ed2f338c53987d6583288b1095caf242a5233090c2da9e4163d0d67", 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 0.41s
[INFO] running `Command { std: "docker" "inspect" "ed442a5a3ed2f338c53987d6583288b1095caf242a5233090c2da9e4163d0d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed442a5a3ed2f338c53987d6583288b1095caf242a5233090c2da9e4163d0d67", kill_on_drop: false }`
[INFO] [stdout] ed442a5a3ed2f338c53987d6583288b1095caf242a5233090c2da9e4163d0d67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b511ca8031f1dbabf1dea49b2290cc4ff649d6a20e7ecee89441b8765f2e4e22
[INFO] running `Command { std: "docker" "start" "-a" "b511ca8031f1dbabf1dea49b2290cc4ff649d6a20e7ecee89441b8765f2e4e22", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spsc_ringbuf_core-736db688dc3816c0)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test ringbuf_ref::tests::single ... ok
[INFO] [stdout] test ringbuf_ref::tests::ping_pong ... ok
[INFO] [stdout] test ringbuf::tests::test_mut_split ... ok
[INFO] [stdout] test ringbuf_ref::tests::static_instance_example ... 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 shared_pool::tests::test_basic ... ok
[INFO] [stdout] test shared_singleton::tests::ownership_changes ... ok
[INFO] [stdout] test ringbuf_ref::tests::validate_size ... ok
[INFO] [stdout] test ringbuf_ref::tests::power_of_two_len_wrap ... 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] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-dedd0b48029ad08d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_errors ... ok
[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 2.81s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spsc_ringbuf_core
[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" "b511ca8031f1dbabf1dea49b2290cc4ff649d6a20e7ecee89441b8765f2e4e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b511ca8031f1dbabf1dea49b2290cc4ff649d6a20e7ecee89441b8765f2e4e22", kill_on_drop: false }`
[INFO] [stdout] b511ca8031f1dbabf1dea49b2290cc4ff649d6a20e7ecee89441b8765f2e4e22