[INFO] fetching crate matrix-mumu 0.1.3...
[INFO] testing matrix-mumu-0.1.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate matrix-mumu 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate matrix-mumu 0.1.3
[INFO] finished tweaking crates.io crate matrix-mumu 0.1.3
[INFO] tweaked toml for crates.io crate matrix-mumu 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrix-mumu 0.1.3 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 matrix-mumu 0.1.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 84aa1a4edf7f4e1f7bcfef4e12c3c341e011cf87f16049349e18f494859cc4b4
[INFO] running `Command { std: "docker" "start" "-a" "84aa1a4edf7f4e1f7bcfef4e12c3c341e011cf87f16049349e18f494859cc4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84aa1a4edf7f4e1f7bcfef4e12c3c341e011cf87f16049349e18f494859cc4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84aa1a4edf7f4e1f7bcfef4e12c3c341e011cf87f16049349e18f494859cc4b4", kill_on_drop: false }`
[INFO] [stdout] 84aa1a4edf7f4e1f7bcfef4e12c3c341e011cf87f16049349e18f494859cc4b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ec28fa96c69c5a08a530240297c1abd92cbd0d82bf1dc212741ac579ec94df69
[INFO] running `Command { std: "docker" "start" "-a" "ec28fa96c69c5a08a530240297c1abd92cbd0d82bf1dc212741ac579ec94df69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling core-mumu v0.8.1-rc.2
[INFO] [stderr]    Compiling matrix-mumu v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.94s
[INFO] running `Command { std: "docker" "inspect" "ec28fa96c69c5a08a530240297c1abd92cbd0d82bf1dc212741ac579ec94df69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec28fa96c69c5a08a530240297c1abd92cbd0d82bf1dc212741ac579ec94df69", kill_on_drop: false }`
[INFO] [stdout] ec28fa96c69c5a08a530240297c1abd92cbd0d82bf1dc212741ac579ec94df69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d0fe3c3a8b15f70f61d085e7827b00cdacaf8c67dfc0ff5ea4b1c011e08555bc
[INFO] running `Command { std: "docker" "start" "-a" "d0fe3c3a8b15f70f61d085e7827b00cdacaf8c67dfc0ff5ea4b1c011e08555bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-mumu v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "d0fe3c3a8b15f70f61d085e7827b00cdacaf8c67dfc0ff5ea4b1c011e08555bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0fe3c3a8b15f70f61d085e7827b00cdacaf8c67dfc0ff5ea4b1c011e08555bc", kill_on_drop: false }`
[INFO] [stdout] d0fe3c3a8b15f70f61d085e7827b00cdacaf8c67dfc0ff5ea4b1c011e08555bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3cd291147f49c64a13c10ae477d0b6183db685be1134be25028a51a230ee9ccb
[INFO] running `Command { std: "docker" "start" "-a" "3cd291147f49c64a13c10ae477d0b6183db685be1134be25028a51a230ee9ccb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mumumatrix-fb2962c3810e2bc5)
[INFO] [stderr]    Doc-tests mumumatrix
[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] [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" "3cd291147f49c64a13c10ae477d0b6183db685be1134be25028a51a230ee9ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd291147f49c64a13c10ae477d0b6183db685be1134be25028a51a230ee9ccb", kill_on_drop: false }`
[INFO] [stdout] 3cd291147f49c64a13c10ae477d0b6183db685be1134be25028a51a230ee9ccb