[INFO] fetching crate pre-rfc3243-libtw2-buffer 0.2.0...
[INFO] testing pre-rfc3243-libtw2-buffer-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pre-rfc3243-libtw2-buffer 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate pre-rfc3243-libtw2-buffer 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pre-rfc3243-libtw2-buffer 0.2.0
[INFO] tweaked toml for crates.io crate pre-rfc3243-libtw2-buffer 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pre-rfc3243-libtw2-buffer 0.2.0 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 pre-rfc3243-libtw2-buffer 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4df92e0462ab670d28fa6b7c694ab50cdeeddeef80d67adbff85103ed6b1bc59
[INFO] running `Command { std: "docker" "start" "-a" "4df92e0462ab670d28fa6b7c694ab50cdeeddeef80d67adbff85103ed6b1bc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4df92e0462ab670d28fa6b7c694ab50cdeeddeef80d67adbff85103ed6b1bc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df92e0462ab670d28fa6b7c694ab50cdeeddeef80d67adbff85103ed6b1bc59", kill_on_drop: false }`
[INFO] [stdout] 4df92e0462ab670d28fa6b7c694ab50cdeeddeef80d67adbff85103ed6b1bc59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6d9c6b4754facaf70561cb6859989456765833fc56d5f896caaa5805654b8314
[INFO] running `Command { std: "docker" "start" "-a" "6d9c6b4754facaf70561cb6859989456765833fc56d5f896caaa5805654b8314", kill_on_drop: false }`
[INFO] [stderr]    Compiling mac v0.0.2
[INFO] [stderr]    Compiling pre-rfc3243-libtw2-buffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "6d9c6b4754facaf70561cb6859989456765833fc56d5f896caaa5805654b8314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9c6b4754facaf70561cb6859989456765833fc56d5f896caaa5805654b8314", kill_on_drop: false }`
[INFO] [stdout] 6d9c6b4754facaf70561cb6859989456765833fc56d5f896caaa5805654b8314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7dccb2637ae1a65495b6f2cc4ca4c8b3a12244c7df11663ec3624a7b45cceaf9
[INFO] running `Command { std: "docker" "start" "-a" "7dccb2637ae1a65495b6f2cc4ca4c8b3a12244c7df11663ec3624a7b45cceaf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pre-rfc3243-libtw2-buffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7dccb2637ae1a65495b6f2cc4ca4c8b3a12244c7df11663ec3624a7b45cceaf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dccb2637ae1a65495b6f2cc4ca4c8b3a12244c7df11663ec3624a7b45cceaf9", kill_on_drop: false }`
[INFO] [stdout] 7dccb2637ae1a65495b6f2cc4ca4c8b3a12244c7df11663ec3624a7b45cceaf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b435b3b782ce6dc98f6625b70901ef456e73c8bfbe78bae186d95a3747292fc9
[INFO] running `Command { std: "docker" "start" "-a" "b435b3b782ce6dc98f6625b70901ef456e73c8bfbe78bae186d95a3747292fc9", 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/libtw2_buffer-dd421898bd4761c3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test impls::buffer_ref::test::buffer_ref_remaining ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libtw2_buffer
[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" "b435b3b782ce6dc98f6625b70901ef456e73c8bfbe78bae186d95a3747292fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b435b3b782ce6dc98f6625b70901ef456e73c8bfbe78bae186d95a3747292fc9", kill_on_drop: false }`
[INFO] [stdout] b435b3b782ce6dc98f6625b70901ef456e73c8bfbe78bae186d95a3747292fc9
