[INFO] fetching crate scroll-ring 0.1.3...
[INFO] testing scroll-ring-0.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate scroll-ring 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate scroll-ring 0.1.3
[INFO] finished tweaking crates.io crate scroll-ring 0.1.3
[INFO] tweaked toml for crates.io crate scroll-ring 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scroll-ring 0.1.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scroll-ring 0.1.3 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" "+beta-2026-04-21" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f0b3e6b53500dcc3f469f352e392beab10ef4670a041042b91c443c6ee340a2
[INFO] running `Command { std: "docker" "start" "-a" "4f0b3e6b53500dcc3f469f352e392beab10ef4670a041042b91c443c6ee340a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f0b3e6b53500dcc3f469f352e392beab10ef4670a041042b91c443c6ee340a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0b3e6b53500dcc3f469f352e392beab10ef4670a041042b91c443c6ee340a2", kill_on_drop: false }`
[INFO] [stdout] 4f0b3e6b53500dcc3f469f352e392beab10ef4670a041042b91c443c6ee340a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efe274da9dda3b18089d981d8a00f26119499a0530b4e6aabbf1099dee5b15c0
[INFO] running `Command { std: "docker" "start" "-a" "efe274da9dda3b18089d981d8a00f26119499a0530b4e6aabbf1099dee5b15c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling ringbuf v0.3.3
[INFO] [stderr]    Compiling try-lock-portable-atomic v0.2.5-patch0
[INFO] [stderr]    Compiling scroll-ring v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "efe274da9dda3b18089d981d8a00f26119499a0530b4e6aabbf1099dee5b15c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe274da9dda3b18089d981d8a00f26119499a0530b4e6aabbf1099dee5b15c0", kill_on_drop: false }`
[INFO] [stdout] efe274da9dda3b18089d981d8a00f26119499a0530b4e6aabbf1099dee5b15c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90ce9264b0acb9c7dc4419f3a41df027f57f636cdd30bd5f64ea57f68b34f5d
[INFO] running `Command { std: "docker" "start" "-a" "f90ce9264b0acb9c7dc4419f3a41df027f57f636cdd30bd5f64ea57f68b34f5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll-ring v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "f90ce9264b0acb9c7dc4419f3a41df027f57f636cdd30bd5f64ea57f68b34f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90ce9264b0acb9c7dc4419f3a41df027f57f636cdd30bd5f64ea57f68b34f5d", kill_on_drop: false }`
[INFO] [stdout] f90ce9264b0acb9c7dc4419f3a41df027f57f636cdd30bd5f64ea57f68b34f5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f76a39671306bc650d18ece7bd93caba7cf1a363441af286a3dcbde4b42c917
[INFO] running `Command { std: "docker" "start" "-a" "5f76a39671306bc650d18ece7bd93caba7cf1a363441af286a3dcbde4b42c917", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scroll_ring-466a87fde95927df)
[INFO] [stdout] test util::test_write_from_slices ... ok
[INFO] [stderr]    Doc-tests scroll_ring
[INFO] [stdout] test minimal::test_buffer_collisions ... ok
[INFO] [stdout] test minimal::test_buffer_readwrite ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "5f76a39671306bc650d18ece7bd93caba7cf1a363441af286a3dcbde4b42c917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f76a39671306bc650d18ece7bd93caba7cf1a363441af286a3dcbde4b42c917", kill_on_drop: false }`
[INFO] [stdout] 5f76a39671306bc650d18ece7bd93caba7cf1a363441af286a3dcbde4b42c917
