[INFO] fetching crate mtnrust 1.0.1...
[INFO] testing mtnrust-1.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mtnrust 1.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mtnrust 1.0.1
[INFO] finished tweaking crates.io crate mtnrust 1.0.1
[INFO] tweaked toml for crates.io crate mtnrust 1.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtnrust 1.0.1 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 mtnrust 1.0.1 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] bd338966b3a898b809d6e61d2c6888b9d2e1c1d39ef6835d0c6044965e6db0a3
[INFO] running `Command { std: "docker" "start" "-a" "bd338966b3a898b809d6e61d2c6888b9d2e1c1d39ef6835d0c6044965e6db0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd338966b3a898b809d6e61d2c6888b9d2e1c1d39ef6835d0c6044965e6db0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd338966b3a898b809d6e61d2c6888b9d2e1c1d39ef6835d0c6044965e6db0a3", kill_on_drop: false }`
[INFO] [stdout] bd338966b3a898b809d6e61d2c6888b9d2e1c1d39ef6835d0c6044965e6db0a3
[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] 21e2e7291a31f0f7d003f428a803eac16b3a4392fdaf154d4e8d4d52a7e2f549
[INFO] running `Command { std: "docker" "start" "-a" "21e2e7291a31f0f7d003f428a803eac16b3a4392fdaf154d4e8d4d52a7e2f549", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtnrust v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "21e2e7291a31f0f7d003f428a803eac16b3a4392fdaf154d4e8d4d52a7e2f549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e2e7291a31f0f7d003f428a803eac16b3a4392fdaf154d4e8d4d52a7e2f549", kill_on_drop: false }`
[INFO] [stdout] 21e2e7291a31f0f7d003f428a803eac16b3a4392fdaf154d4e8d4d52a7e2f549
[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] 133d7fddb1791f9574195415397a919da956f2e4de8e5c8d36a60a633117aea5
[INFO] running `Command { std: "docker" "start" "-a" "133d7fddb1791f9574195415397a919da956f2e4de8e5c8d36a60a633117aea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtnrust v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "133d7fddb1791f9574195415397a919da956f2e4de8e5c8d36a60a633117aea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133d7fddb1791f9574195415397a919da956f2e4de8e5c8d36a60a633117aea5", kill_on_drop: false }`
[INFO] [stdout] 133d7fddb1791f9574195415397a919da956f2e4de8e5c8d36a60a633117aea5
[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] a4b456ec399bb5ce6baeaa94f685ba0928a7e58f2088f9d1ac80523627a6fa8e
[INFO] running `Command { std: "docker" "start" "-a" "a4b456ec399bb5ce6baeaa94f685ba0928a7e58f2088f9d1ac80523627a6fa8e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mtnrust-f79640d5d42c848a)
[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" "a4b456ec399bb5ce6baeaa94f685ba0928a7e58f2088f9d1ac80523627a6fa8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b456ec399bb5ce6baeaa94f685ba0928a7e58f2088f9d1ac80523627a6fa8e", kill_on_drop: false }`
[INFO] [stdout] a4b456ec399bb5ce6baeaa94f685ba0928a7e58f2088f9d1ac80523627a6fa8e