[INFO] crate rb 0.3.2 is already in cache
[INFO] testing rb-0.3.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate rb 0.3.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rb 0.3.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rb 0.3.2
[INFO] finished tweaking crates.io crate rb 0.3.2
[INFO] tweaked toml for crates.io crate rb 0.3.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f882949319e60b011a1980b059469c48f44baa47f253e3df79d847de769b96b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f882949319e60b011a1980b059469c48f44baa47f253e3df79d847de769b96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f882949319e60b011a1980b059469c48f44baa47f253e3df79d847de769b96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f882949319e60b011a1980b059469c48f44baa47f253e3df79d847de769b96b", kill_on_drop: false }`
[INFO] [stdout] 9f882949319e60b011a1980b059469c48f44baa47f253e3df79d847de769b96b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d2834c6c14f903afc052e84681909e57c3c5b8bd3fd9dbedeb60f40cd8b7228
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d2834c6c14f903afc052e84681909e57c3c5b8bd3fd9dbedeb60f40cd8b7228", kill_on_drop: false }`
[INFO] [stderr]    Compiling rb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "0d2834c6c14f903afc052e84681909e57c3c5b8bd3fd9dbedeb60f40cd8b7228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2834c6c14f903afc052e84681909e57c3c5b8bd3fd9dbedeb60f40cd8b7228", kill_on_drop: false }`
[INFO] [stdout] 0d2834c6c14f903afc052e84681909e57c3c5b8bd3fd9dbedeb60f40cd8b7228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84592c2d0b3cbd72865918d9a6721c0d22066ddc4338d3963948018886323b64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "84592c2d0b3cbd72865918d9a6721c0d22066ddc4338d3963948018886323b64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.44s
[INFO] running `Command { std: "docker" "inspect" "84592c2d0b3cbd72865918d9a6721c0d22066ddc4338d3963948018886323b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84592c2d0b3cbd72865918d9a6721c0d22066ddc4338d3963948018886323b64", kill_on_drop: false }`
[INFO] [stdout] 84592c2d0b3cbd72865918d9a6721c0d22066ddc4338d3963948018886323b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 987c2f2745d0679021e7b181fea9a93a60e8fc30d562516a46450e6e1eeb2583
[INFO] running `Command { std: "docker" "start" "-a" "987c2f2745d0679021e7b181fea9a93a60e8fc30d562516a46450e6e1eeb2583", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rb-d442e2ff144bb9c2
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::get_from_empty_buffer_returns_error ... ok
[INFO] [stdout] test tests::get_to_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::write_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::write_blocking_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::read_to_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::get_with_wrapping ... ok
[INFO] [stdout] test tests::write_to_full_queue_returns_error ... ok
[INFO] [stdout] test tests::get_with_wrapping_2 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-083b7356ca035e36
[INFO] [stdout] test tests::read_blocking_to_empty_buffer_returns_none ... ok
[INFO] [stdout] test tests::read_from_empty_buffer_returns_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_write ... ok
[INFO] [stdout] test test_clear ... ok
[INFO] [stdout] test test_wrap_around ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_skip ... ok
[INFO] [stdout] test test_read_write_wrap_blocking ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/threads-4cb15232cc00a35e
[INFO] [stdout] test test_read_write_wrap ... ok
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_threads_blocking ... ok
[INFO] [stdout] test test_threads ... ok
[INFO] [stderr]    Doc-tests rb
[INFO] [stdout] test test_threads_count_underflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SpscRb (line 132) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "987c2f2745d0679021e7b181fea9a93a60e8fc30d562516a46450e6e1eeb2583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987c2f2745d0679021e7b181fea9a93a60e8fc30d562516a46450e6e1eeb2583", kill_on_drop: false }`
[INFO] [stdout] 987c2f2745d0679021e7b181fea9a93a60e8fc30d562516a46450e6e1eeb2583