[INFO] fetching crate rb 0.4.1...
[INFO] testing rb-0.4.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rb 0.4.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rb 0.4.1
[INFO] finished tweaking crates.io crate rb 0.4.1
[INFO] tweaked toml for crates.io crate rb 0.4.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rb 0.4.1 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 crates.io crate rb 0.4.1 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] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] da767eb07290b0ec877897df72e98d028aa048f618ef9382804e59c6506c44e5
[INFO] running `Command { std: "docker" "start" "-a" "da767eb07290b0ec877897df72e98d028aa048f618ef9382804e59c6506c44e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da767eb07290b0ec877897df72e98d028aa048f618ef9382804e59c6506c44e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da767eb07290b0ec877897df72e98d028aa048f618ef9382804e59c6506c44e5", kill_on_drop: false }`
[INFO] [stdout] da767eb07290b0ec877897df72e98d028aa048f618ef9382804e59c6506c44e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d34ce1d8179b50bc80e8f52cc5c120c92304d600ac8be6fb55a36566346e204b
[INFO] running `Command { std: "docker" "start" "-a" "d34ce1d8179b50bc80e8f52cc5c120c92304d600ac8be6fb55a36566346e204b", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rb v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "d34ce1d8179b50bc80e8f52cc5c120c92304d600ac8be6fb55a36566346e204b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34ce1d8179b50bc80e8f52cc5c120c92304d600ac8be6fb55a36566346e204b", kill_on_drop: false }`
[INFO] [stdout] d34ce1d8179b50bc80e8f52cc5c120c92304d600ac8be6fb55a36566346e204b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] eb5afad2a0b44adbba437341abe8f119e42cd1f72dbeed4bb3ddeb202cb51fee
[INFO] running `Command { std: "docker" "start" "-a" "eb5afad2a0b44adbba437341abe8f119e42cd1f72dbeed4bb3ddeb202cb51fee", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rb v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "eb5afad2a0b44adbba437341abe8f119e42cd1f72dbeed4bb3ddeb202cb51fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5afad2a0b44adbba437341abe8f119e42cd1f72dbeed4bb3ddeb202cb51fee", kill_on_drop: false }`
[INFO] [stdout] eb5afad2a0b44adbba437341abe8f119e42cd1f72dbeed4bb3ddeb202cb51fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4a1f99553d92e50f10b81dacfd4c942313e8f4499dd37b8bd629c09e7dc320a9
[INFO] running `Command { std: "docker" "start" "-a" "4a1f99553d92e50f10b81dacfd4c942313e8f4499dd37b8bd629c09e7dc320a9", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rb-086b52647819c264)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::get_to_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::get_with_wrapping_2 ... ok
[INFO] [stdout] test tests::read_blocking_timeout_to_empty_buffer_returns_none ... ok
[INFO] [stdout] test tests::read_blocking_to_empty_buffer_returns_none ... ok
[INFO] [stdout] test tests::get_from_empty_buffer_returns_error ... ok
[INFO] [stdout] test tests::read_equals_get_and_skip ... ok
[INFO] [stdout] test tests::read_from_empty_buffer_returns_error ... ok
[INFO] [stdout] test tests::write_blocking_timeout_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::read_to_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::write_blocking_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::write_empty_buffer_returns_zero ... ok
[INFO] [stdout] test tests::write_to_full_queue_returns_error ... ok
[INFO] [stdout] test tests::get_with_wrapping ... ok
[INFO] [stdout] test tests::read_blocking_timeout_times_out ... ok
[INFO] [stdout] test tests::write_blocking_timeout_times_out ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-ca2c1dfd3e5bf7bb)
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_read_write_timeout_wrap_blocking ... ok
[INFO] [stdout] test test_get ... ok
[INFO] [stdout] test test_read_write_wrap_blocking ... ok
[INFO] [stdout] test test_skip ... ok
[INFO] [stdout] test test_wrap_around ... ok
[INFO] [stdout] test test_clear ... ok
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] test test_read_write_wrap ... ok
[INFO] [stdout] test test_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/threads.rs (/opt/rustwide/target/debug/deps/threads-2829261c57747f32)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_threads_blocking ... ok
[INFO] [stdout] test test_threads_blocking_timeout ... ok
[INFO] [stdout] test test_threads ... ok
[INFO] [stdout] test test_threads_count_underflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SpscRb (line 153) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a1f99553d92e50f10b81dacfd4c942313e8f4499dd37b8bd629c09e7dc320a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1f99553d92e50f10b81dacfd4c942313e8f4499dd37b8bd629c09e7dc320a9", kill_on_drop: false }`
[INFO] [stdout] 4a1f99553d92e50f10b81dacfd4c942313e8f4499dd37b8bd629c09e7dc320a9