[INFO] fetching crate mp2c 0.1.2...
[INFO] testing mp2c-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mp2c 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mp2c 0.1.2
[INFO] finished tweaking crates.io crate mp2c 0.1.2
[INFO] tweaked toml for crates.io crate mp2c 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mp2c 0.1.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f9284e1fb27a34710c90f7e7b17e1c01aeb5b64f1fbf1d1718fc329b4980c4d
[INFO] running `Command { std: "docker" "start" "-a" "5f9284e1fb27a34710c90f7e7b17e1c01aeb5b64f1fbf1d1718fc329b4980c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f9284e1fb27a34710c90f7e7b17e1c01aeb5b64f1fbf1d1718fc329b4980c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9284e1fb27a34710c90f7e7b17e1c01aeb5b64f1fbf1d1718fc329b4980c4d", kill_on_drop: false }`
[INFO] [stdout] 5f9284e1fb27a34710c90f7e7b17e1c01aeb5b64f1fbf1d1718fc329b4980c4d
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d0f4f651f7a717c8b7469aa3e7e1469d17cf7d4a254a7de2de71ac7309b3dc
[INFO] running `Command { std: "docker" "start" "-a" "c9d0f4f651f7a717c8b7469aa3e7e1469d17cf7d4a254a7de2de71ac7309b3dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling mp2c v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c9d0f4f651f7a717c8b7469aa3e7e1469d17cf7d4a254a7de2de71ac7309b3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d0f4f651f7a717c8b7469aa3e7e1469d17cf7d4a254a7de2de71ac7309b3dc", kill_on_drop: false }`
[INFO] [stdout] c9d0f4f651f7a717c8b7469aa3e7e1469d17cf7d4a254a7de2de71ac7309b3dc
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bd82c3f9a58126cdec4b150048885a7895e2a92efd448fe8c0cd2103d60ca79
[INFO] running `Command { std: "docker" "start" "-a" "3bd82c3f9a58126cdec4b150048885a7895e2a92efd448fe8c0cd2103d60ca79", kill_on_drop: false }`
[INFO] [stderr]    Compiling mp2c v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "3bd82c3f9a58126cdec4b150048885a7895e2a92efd448fe8c0cd2103d60ca79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd82c3f9a58126cdec4b150048885a7895e2a92efd448fe8c0cd2103d60ca79", kill_on_drop: false }`
[INFO] [stdout] 3bd82c3f9a58126cdec4b150048885a7895e2a92efd448fe8c0cd2103d60ca79
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5adc39d7e26aaf03067d9f619a5148a82315503193e2512f9d48e6c2a52c1c1a
[INFO] running `Command { std: "docker" "start" "-a" "5adc39d7e26aaf03067d9f619a5148a82315503193e2512f9d48e6c2a52c1c1a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mp2c-f4ca726082914901)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test asynch::tests::multi_producer ... ok
[INFO] [stdout] test asynch::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mp2c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/asynch.rs - asynch::Carousel (line 128) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5adc39d7e26aaf03067d9f619a5148a82315503193e2512f9d48e6c2a52c1c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5adc39d7e26aaf03067d9f619a5148a82315503193e2512f9d48e6c2a52c1c1a", kill_on_drop: false }`
[INFO] [stdout] 5adc39d7e26aaf03067d9f619a5148a82315503193e2512f9d48e6c2a52c1c1a