[INFO] fetching crate math-mumu 0.2.0-rc.4...
[INFO] testing math-mumu-0.2.0-rc.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate math-mumu 0.2.0-rc.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate math-mumu 0.2.0-rc.4
[INFO] finished tweaking crates.io crate math-mumu 0.2.0-rc.4
[INFO] tweaked toml for crates.io crate math-mumu 0.2.0-rc.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate math-mumu 0.2.0-rc.4 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] crate crates.io crate math-mumu 0.2.0-rc.4 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c378dc221f050cc4357aba21168b602e5cea8792fa5d659fac81971ffe962300
[INFO] running `Command { std: "docker" "start" "-a" "c378dc221f050cc4357aba21168b602e5cea8792fa5d659fac81971ffe962300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c378dc221f050cc4357aba21168b602e5cea8792fa5d659fac81971ffe962300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c378dc221f050cc4357aba21168b602e5cea8792fa5d659fac81971ffe962300", kill_on_drop: false }`
[INFO] [stdout] c378dc221f050cc4357aba21168b602e5cea8792fa5d659fac81971ffe962300
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d8b551ea42a15585c3b2bfb2b417fbdfa4344589628a68387b8d06ef25159c
[INFO] running `Command { std: "docker" "start" "-a" "c5d8b551ea42a15585c3b2bfb2b417fbdfa4344589628a68387b8d06ef25159c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling bigdecimal v0.4.8
[INFO] [stderr]    Compiling rust_decimal v1.38.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling core-mumu v0.9.0-rc.4
[INFO] [stderr]    Compiling math-mumu v0.2.0-rc.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.54s
[INFO] running `Command { std: "docker" "inspect" "c5d8b551ea42a15585c3b2bfb2b417fbdfa4344589628a68387b8d06ef25159c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d8b551ea42a15585c3b2bfb2b417fbdfa4344589628a68387b8d06ef25159c", kill_on_drop: false }`
[INFO] [stdout] c5d8b551ea42a15585c3b2bfb2b417fbdfa4344589628a68387b8d06ef25159c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b10bf2025b7bd7066aa0eaa90844145421a5eac9f05d39109a1faa7d8368925
[INFO] running `Command { std: "docker" "start" "-a" "5b10bf2025b7bd7066aa0eaa90844145421a5eac9f05d39109a1faa7d8368925", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-mumu v0.2.0-rc.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "5b10bf2025b7bd7066aa0eaa90844145421a5eac9f05d39109a1faa7d8368925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b10bf2025b7bd7066aa0eaa90844145421a5eac9f05d39109a1faa7d8368925", kill_on_drop: false }`
[INFO] [stdout] 5b10bf2025b7bd7066aa0eaa90844145421a5eac9f05d39109a1faa7d8368925
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63b1930917a36676637fdd3b8e6cb8db4e53b706949e7853cb7d00abc7559dbd
[INFO] running `Command { std: "docker" "start" "-a" "63b1930917a36676637fdd3b8e6cb8db4e53b706949e7853cb7d00abc7559dbd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mumumath-88a7c33de4d7de26)
[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] [stderr]    Doc-tests mumumath
[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" "63b1930917a36676637fdd3b8e6cb8db4e53b706949e7853cb7d00abc7559dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b1930917a36676637fdd3b8e6cb8db4e53b706949e7853cb7d00abc7559dbd", kill_on_drop: false }`
[INFO] [stdout] 63b1930917a36676637fdd3b8e6cb8db4e53b706949e7853cb7d00abc7559dbd