[INFO] fetching crate matgrid 0.0.0...
[INFO] testing matgrid-0.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate matgrid 0.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate matgrid 0.0.0
[INFO] finished tweaking crates.io crate matgrid 0.0.0
[INFO] tweaked toml for crates.io crate matgrid 0.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matgrid 0.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 545fe9ff61a0b246616c3aaa29d33a7d1d5a0df74fe7cd4fc2943695ef4e501a
[INFO] running `Command { std: "docker" "start" "-a" "545fe9ff61a0b246616c3aaa29d33a7d1d5a0df74fe7cd4fc2943695ef4e501a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "545fe9ff61a0b246616c3aaa29d33a7d1d5a0df74fe7cd4fc2943695ef4e501a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545fe9ff61a0b246616c3aaa29d33a7d1d5a0df74fe7cd4fc2943695ef4e501a", kill_on_drop: false }`
[INFO] [stdout] 545fe9ff61a0b246616c3aaa29d33a7d1d5a0df74fe7cd4fc2943695ef4e501a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7791f3d06a7dbfef7cc2373d6ea389563a836ea92394c0655afd5f700c4fd55e
[INFO] running `Command { std: "docker" "start" "-a" "7791f3d06a7dbfef7cc2373d6ea389563a836ea92394c0655afd5f700c4fd55e", kill_on_drop: false }`
[INFO] [stderr]    Compiling matgrid v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "7791f3d06a7dbfef7cc2373d6ea389563a836ea92394c0655afd5f700c4fd55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7791f3d06a7dbfef7cc2373d6ea389563a836ea92394c0655afd5f700c4fd55e", kill_on_drop: false }`
[INFO] [stdout] 7791f3d06a7dbfef7cc2373d6ea389563a836ea92394c0655afd5f700c4fd55e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 146ebafc022fc18f73af85410491e9cdde14219bc5a76f9f65b18717e4ea3b97
[INFO] running `Command { std: "docker" "start" "-a" "146ebafc022fc18f73af85410491e9cdde14219bc5a76f9f65b18717e4ea3b97", kill_on_drop: false }`
[INFO] [stderr]    Compiling matgrid v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "146ebafc022fc18f73af85410491e9cdde14219bc5a76f9f65b18717e4ea3b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146ebafc022fc18f73af85410491e9cdde14219bc5a76f9f65b18717e4ea3b97", kill_on_drop: false }`
[INFO] [stdout] 146ebafc022fc18f73af85410491e9cdde14219bc5a76f9f65b18717e4ea3b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eea7f9a1621fd6a39672532e3c76f54683ae4208a6f0287b433c51c6d28c0a1f
[INFO] running `Command { std: "docker" "start" "-a" "eea7f9a1621fd6a39672532e3c76f54683ae4208a6f0287b433c51c6d28c0a1f", 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/matgrid-1ec3bdde6715acc4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matgrid
[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" "eea7f9a1621fd6a39672532e3c76f54683ae4208a6f0287b433c51c6d28c0a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea7f9a1621fd6a39672532e3c76f54683ae4208a6f0287b433c51c6d28c0a1f", kill_on_drop: false }`
[INFO] [stdout] eea7f9a1621fd6a39672532e3c76f54683ae4208a6f0287b433c51c6d28c0a1f