[INFO] cloning repository https://github.com/timstr/ringbuffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timstr/ringbuffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimstr%2Fringbuffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimstr%2Fringbuffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8092a6c259aaaf6dcbbbf1b979bf85575adf5ef7
[INFO] testing timstr/ringbuffer against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimstr%2Fringbuffer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timstr/ringbuffer
[INFO] finished tweaking git repo https://github.com/timstr/ringbuffer
[INFO] tweaked toml for git repo https://github.com/timstr/ringbuffer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timstr/ringbuffer 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] crate git repo https://github.com/timstr/ringbuffer 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 7858cb06b730fa88452c63ddd7959654d166ce7e3a0ec019a5f450e058f9cacb
[INFO] running `Command { std: "docker" "start" "-a" "7858cb06b730fa88452c63ddd7959654d166ce7e3a0ec019a5f450e058f9cacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7858cb06b730fa88452c63ddd7959654d166ce7e3a0ec019a5f450e058f9cacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7858cb06b730fa88452c63ddd7959654d166ce7e3a0ec019a5f450e058f9cacb", kill_on_drop: false }`
[INFO] [stdout] 7858cb06b730fa88452c63ddd7959654d166ce7e3a0ec019a5f450e058f9cacb
[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] 2daa9f9879aea0b2d05cb6840adfa26335ae94b46199662f25b7e6ec2f4cd736
[INFO] running `Command { std: "docker" "start" "-a" "2daa9f9879aea0b2d05cb6840adfa26335ae94b46199662f25b7e6ec2f4cd736", kill_on_drop: false }`
[INFO] [stderr]    Compiling spmcq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "2daa9f9879aea0b2d05cb6840adfa26335ae94b46199662f25b7e6ec2f4cd736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2daa9f9879aea0b2d05cb6840adfa26335ae94b46199662f25b7e6ec2f4cd736", kill_on_drop: false }`
[INFO] [stdout] 2daa9f9879aea0b2d05cb6840adfa26335ae94b46199662f25b7e6ec2f4cd736
[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] 98cd2da46a0683409985e2a29956c3c63ff7d77bb127aabeec30a2cbee6b1e22
[INFO] running `Command { std: "docker" "start" "-a" "98cd2da46a0683409985e2a29956c3c63ff7d77bb127aabeec30a2cbee6b1e22", kill_on_drop: false }`
[INFO] [stderr]    Compiling spmcq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "98cd2da46a0683409985e2a29956c3c63ff7d77bb127aabeec30a2cbee6b1e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98cd2da46a0683409985e2a29956c3c63ff7d77bb127aabeec30a2cbee6b1e22", kill_on_drop: false }`
[INFO] [stdout] 98cd2da46a0683409985e2a29956c3c63ff7d77bb127aabeec30a2cbee6b1e22
[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] 85f7176e13e6f5692d5f7ee934aaac7d1713c587e280ced398a090943307cb64
[INFO] running `Command { std: "docker" "start" "-a" "85f7176e13e6f5692d5f7ee934aaac7d1713c587e280ced398a090943307cb64", 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/spmcq-f6955c671d93b631)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test test::test_custom_data_type_one_thread ... ok
[INFO] [stdout] test test::test_two_readers_one_thread ... ok
[INFO] [stdout] test test::test_basic_use_one_thread ... ok
[INFO] [stdout] test test::test_skip_ahead_basic_one_thread ... ok
[INFO] [stdout] test test::test_dropouts_lapped_once_one_thread ... ok
[INFO] [stdout] test test::test_wraparound_keeping_pace_one_thread ... ok
[INFO] [stdout] test test::test_dropouts_lapped_twice_one_thread ... ok
[INFO] [stdout] test test::test_skip_ahead_lapped_one_thread ... ok
[INFO] [stdout] test test::test_two_readers_three_threads ... ok
[INFO] [stdout] test test::test_one_reader_two_threads ... ok
[INFO] [stdout] test test::test_one_reader_two_threads_high_throughput ... ok
[INFO] [stdout] test test::test_two_readers_three_threads_high_throughput ... ok
[INFO] [stdout] test test::test_custom_data_type_one_reader_two_threads_high_throughput ... ok
[INFO] [stdout] test test::test_custom_data_type_two_readers_three_threads_high_throughput ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 45.82s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spmcq
[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" "85f7176e13e6f5692d5f7ee934aaac7d1713c587e280ced398a090943307cb64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f7176e13e6f5692d5f7ee934aaac7d1713c587e280ced398a090943307cb64", kill_on_drop: false }`
[INFO] [stdout] 85f7176e13e6f5692d5f7ee934aaac7d1713c587e280ced398a090943307cb64