[INFO] fetching crate magnetic 2.5.2...
[INFO] testing magnetic-2.5.2 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate magnetic 2.5.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate magnetic 2.5.2
[INFO] finished tweaking crates.io crate magnetic 2.5.2
[INFO] tweaked toml for crates.io crate magnetic 2.5.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate magnetic 2.5.2 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate magnetic 2.5.2 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c16f9c3b7e8360bb32bf4b9cb719089feeaaebf04cf7227440782c163f36f1ae
[INFO] running `Command { std: "docker" "start" "-a" "c16f9c3b7e8360bb32bf4b9cb719089feeaaebf04cf7227440782c163f36f1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c16f9c3b7e8360bb32bf4b9cb719089feeaaebf04cf7227440782c163f36f1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16f9c3b7e8360bb32bf4b9cb719089feeaaebf04cf7227440782c163f36f1ae", kill_on_drop: false }`
[INFO] [stdout] c16f9c3b7e8360bb32bf4b9cb719089feeaaebf04cf7227440782c163f36f1ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94a485ea6fcbf88e2873413f68469637440ca827856abb33843c7dece08cee38
[INFO] running `Command { std: "docker" "start" "-a" "94a485ea6fcbf88e2873413f68469637440ca827856abb33843c7dece08cee38", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnetic v2.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "94a485ea6fcbf88e2873413f68469637440ca827856abb33843c7dece08cee38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a485ea6fcbf88e2873413f68469637440ca827856abb33843c7dece08cee38", kill_on_drop: false }`
[INFO] [stdout] 94a485ea6fcbf88e2873413f68469637440ca827856abb33843c7dece08cee38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee60708c3fdecf8f2c4c56b6cec5d65d3bb792b88e91e069546c17c69331bb17
[INFO] running `Command { std: "docker" "start" "-a" "ee60708c3fdecf8f2c4c56b6cec5d65d3bb792b88e91e069546c17c69331bb17", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling magnetic v2.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.22s
[INFO] running `Command { std: "docker" "inspect" "ee60708c3fdecf8f2c4c56b6cec5d65d3bb792b88e91e069546c17c69331bb17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee60708c3fdecf8f2c4c56b6cec5d65d3bb792b88e91e069546c17c69331bb17", kill_on_drop: false }`
[INFO] [stdout] ee60708c3fdecf8f2c4c56b6cec5d65d3bb792b88e91e069546c17c69331bb17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbeb940ca882e4a3f51186ed6914106373fea63d4bbda255d83a9794860e40a4
[INFO] running `Command { std: "docker" "start" "-a" "dbeb940ca882e4a3f51186ed6914106373fea63d4bbda255d83a9794860e40a4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/magnetic-c515d8e11b71ba6e)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test buffer::array::test::bad_buf ... ok
[INFO] [stdout] test buffer::dynamic::test::bad_buf ... ok
[INFO] [stdout] test mpmc::test::disconnect ... ok
[INFO] [stdout] test mpsc::test::one_thread ... ok
[INFO] [stdout] test buffer::dynamic::test::p2_buf ... ok
[INFO] [stdout] test spmc::test::disconnect ... ok
[INFO] [stdout] test spmc::test::one_thread ... ok
[INFO] [stdout] test mpsc::test::disconnect ... ok
[INFO] [stdout] test spmc::test::two_thread_seq ... ok
[INFO] [stdout] test mpsc::test::two_thread_seq ... ok
[INFO] [stdout] test spsc::test::disconnect ... ok
[INFO] [stdout] test spsc::test::one_thread ... ok
[INFO] [stdout] test buffer::dynamic::test::dynamic_buf ... ok
[INFO] [stdout] test buffer::dynamic::test::dynamic_buf_p2 ... ok
[INFO] [stdout] test spsc::test::two_thread_seq ... ok
[INFO] [stdout] test spsc::test::producer_and_consumer_implement_send ... ok
[INFO] [stdout] test mpmc::test::one_thread ... ok
[INFO] [stdout] test buffer::array::test::array_buf ... ok
[INFO] [stdout] test mpmc::test::two_thread_seq ... ok
[INFO] [stdout] test spsc::test::two_thread_par ... ok
[INFO] [stdout] test mpmc::test::four_thread_par has been running for over 60 seconds
[INFO] [stdout] test mpsc::test::four_thread_par has been running for over 60 seconds
[INFO] [stdout] test spmc::test::four_thread_par has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "dbeb940ca882e4a3f51186ed6914106373fea63d4bbda255d83a9794860e40a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbeb940ca882e4a3f51186ed6914106373fea63d4bbda255d83a9794860e40a4", kill_on_drop: false }`
[INFO] [stdout] dbeb940ca882e4a3f51186ed6914106373fea63d4bbda255d83a9794860e40a4
