[INFO] fetching crate magnetic 2.5.1...
[INFO] testing magnetic-2.5.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate magnetic 2.5.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate magnetic 2.5.1
[INFO] finished tweaking crates.io crate magnetic 2.5.1
[INFO] tweaked toml for crates.io crate magnetic 2.5.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate magnetic 2.5.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate magnetic 2.5.1 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b5045696dfa59c11d7e4b73a60ce73a001ab520a4d34bfe6ebf22da96cad95a
[INFO] running `Command { std: "docker" "start" "-a" "4b5045696dfa59c11d7e4b73a60ce73a001ab520a4d34bfe6ebf22da96cad95a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b5045696dfa59c11d7e4b73a60ce73a001ab520a4d34bfe6ebf22da96cad95a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5045696dfa59c11d7e4b73a60ce73a001ab520a4d34bfe6ebf22da96cad95a", kill_on_drop: false }`
[INFO] [stdout] 4b5045696dfa59c11d7e4b73a60ce73a001ab520a4d34bfe6ebf22da96cad95a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d738370b6a2dfff493159b92dd4614478f0a30a034d9050e88aa1400d6d78c7a
[INFO] running `Command { std: "docker" "start" "-a" "d738370b6a2dfff493159b92dd4614478f0a30a034d9050e88aa1400d6d78c7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnetic v2.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d738370b6a2dfff493159b92dd4614478f0a30a034d9050e88aa1400d6d78c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d738370b6a2dfff493159b92dd4614478f0a30a034d9050e88aa1400d6d78c7a", kill_on_drop: false }`
[INFO] [stdout] d738370b6a2dfff493159b92dd4614478f0a30a034d9050e88aa1400d6d78c7a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3a20b9406aaf569d4fc28fdfbd86145ff53b867e29b2c86f54800c671997cc4
[INFO] running `Command { std: "docker" "start" "-a" "c3a20b9406aaf569d4fc28fdfbd86145ff53b867e29b2c86f54800c671997cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling csv v1.3.1
[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 v2.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.19s
[INFO] running `Command { std: "docker" "inspect" "c3a20b9406aaf569d4fc28fdfbd86145ff53b867e29b2c86f54800c671997cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a20b9406aaf569d4fc28fdfbd86145ff53b867e29b2c86f54800c671997cc4", kill_on_drop: false }`
[INFO] [stdout] c3a20b9406aaf569d4fc28fdfbd86145ff53b867e29b2c86f54800c671997cc4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2d35f359d5ebb212be62dcaaf0a8dbe72d83a4243ffd02bface98dc6ab0b001
[INFO] running `Command { std: "docker" "start" "-a" "e2d35f359d5ebb212be62dcaaf0a8dbe72d83a4243ffd02bface98dc6ab0b001", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/magnetic-d20a04e87b4b0f1b)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test buffer::array::test::array_buf ... ok
[INFO] [stdout] test buffer::array::test::bad_buf ... ok
[INFO] [stdout] test buffer::dynamic::test::dynamic_buf ... ok
[INFO] [stdout] test mpsc::test::disconnect ... ok
[INFO] [stdout] test mpmc::test::one_thread ... ok
[INFO] [stdout] test buffer::dynamic::test::dynamic_buf_p2 ... ok
[INFO] [stdout] test mpmc::test::disconnect ... ok
[INFO] [stdout] test buffer::dynamic::test::bad_buf ... ok
[INFO] [stdout] test spmc::test::disconnect ... ok
[INFO] [stdout] test mpsc::test::one_thread ... ok
[INFO] [stdout] test spmc::test::one_thread ... ok
[INFO] [stdout] test spsc::test::disconnect ... ok
[INFO] [stdout] test spsc::test::one_thread ... ok
[INFO] [stdout] test mpsc::test::two_thread_seq ... ok
[INFO] [stdout] test spsc::test::two_thread_seq ... ok
[INFO] [stdout] test spmc::test::two_thread_seq ... ok
[INFO] [stdout] test mpmc::test::two_thread_seq ... ok
[INFO] [stdout] test buffer::dynamic::test::p2_buf ... 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
[INFO] [stdout] test spsc::test::two_thread_par has been running for over 60 seconds
[INFO] [stdout] test spsc::test::two_thread_par ... ok
[INFO] [stdout] test mpmc::test::four_thread_par ... ok
[INFO] [stdout] test mpsc::test::four_thread_par ... ok
[INFO] [stdout] test spmc::test::four_thread_par ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 364.40s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests magnetic
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/mpmc.rs - mpmc::mpmc_queue (line 64) ... ok
[INFO] [stdout] test src/mpsc.rs - mpsc::mpsc_queue (line 53) ... ok
[INFO] [stdout] test src/spsc.rs - spsc::spsc_queue (line 42) ... ok
[INFO] [stdout] test src/spmc.rs - spmc::spmc_queue (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2d35f359d5ebb212be62dcaaf0a8dbe72d83a4243ffd02bface98dc6ab0b001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d35f359d5ebb212be62dcaaf0a8dbe72d83a4243ffd02bface98dc6ab0b001", kill_on_drop: false }`
[INFO] [stdout] e2d35f359d5ebb212be62dcaaf0a8dbe72d83a4243ffd02bface98dc6ab0b001