[INFO] fetching crate mtx 0.1.0...
[INFO] testing mtx-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mtx 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mtx 0.1.0
[INFO] finished tweaking crates.io crate mtx 0.1.0
[INFO] tweaked toml for crates.io crate mtx 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtx 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 289b45c687ee1355fcf2d52a7a7ffd9192ed10b777a3e6cbd62a36fe0deb11ed
[INFO] running `Command { std: "docker" "start" "-a" "289b45c687ee1355fcf2d52a7a7ffd9192ed10b777a3e6cbd62a36fe0deb11ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "289b45c687ee1355fcf2d52a7a7ffd9192ed10b777a3e6cbd62a36fe0deb11ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289b45c687ee1355fcf2d52a7a7ffd9192ed10b777a3e6cbd62a36fe0deb11ed", kill_on_drop: false }`
[INFO] [stdout] 289b45c687ee1355fcf2d52a7a7ffd9192ed10b777a3e6cbd62a36fe0deb11ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f7b49c917a5c0235a7d76eaf639d903209850f51128198d0222bc7339210c6ef
[INFO] running `Command { std: "docker" "start" "-a" "f7b49c917a5c0235a7d76eaf639d903209850f51128198d0222bc7339210c6ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f7b49c917a5c0235a7d76eaf639d903209850f51128198d0222bc7339210c6ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b49c917a5c0235a7d76eaf639d903209850f51128198d0222bc7339210c6ef", kill_on_drop: false }`
[INFO] [stdout] f7b49c917a5c0235a7d76eaf639d903209850f51128198d0222bc7339210c6ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cc387fdb31e42c7ccdbf04956b529bce0eac5d5211bf91fbc681ef7302b19c4b
[INFO] running `Command { std: "docker" "start" "-a" "cc387fdb31e42c7ccdbf04956b529bce0eac5d5211bf91fbc681ef7302b19c4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "cc387fdb31e42c7ccdbf04956b529bce0eac5d5211bf91fbc681ef7302b19c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc387fdb31e42c7ccdbf04956b529bce0eac5d5211bf91fbc681ef7302b19c4b", kill_on_drop: false }`
[INFO] [stdout] cc387fdb31e42c7ccdbf04956b529bce0eac5d5211bf91fbc681ef7302b19c4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] effe32d6c44722caaebd1caf038d104d6703b1e7f90d51a8920c8cbcc37acf43
[INFO] running `Command { std: "docker" "start" "-a" "effe32d6c44722caaebd1caf038d104d6703b1e7f90d51a8920c8cbcc37acf43", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mtx-6d401375ae776f4e)
[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 mtx
[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" "effe32d6c44722caaebd1caf038d104d6703b1e7f90d51a8920c8cbcc37acf43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effe32d6c44722caaebd1caf038d104d6703b1e7f90d51a8920c8cbcc37acf43", kill_on_drop: false }`
[INFO] [stdout] effe32d6c44722caaebd1caf038d104d6703b1e7f90d51a8920c8cbcc37acf43