[INFO] fetching crate monomo 0.1.3...
[INFO] testing monomo-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate monomo 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate monomo 0.1.3
[INFO] finished tweaking crates.io crate monomo 0.1.3
[INFO] tweaked toml for crates.io crate monomo 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate monomo 0.1.3 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[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] 5cac754e69b797341eee6103e3612aac5e02a95d0e4facdf4db314b6ff1d591a
[INFO] running `Command { std: "docker" "start" "-a" "5cac754e69b797341eee6103e3612aac5e02a95d0e4facdf4db314b6ff1d591a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cac754e69b797341eee6103e3612aac5e02a95d0e4facdf4db314b6ff1d591a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cac754e69b797341eee6103e3612aac5e02a95d0e4facdf4db314b6ff1d591a", kill_on_drop: false }`
[INFO] [stdout] 5cac754e69b797341eee6103e3612aac5e02a95d0e4facdf4db314b6ff1d591a
[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] 8c6780b2d143d2feb6091bdfb86ab5b3b250a08c6032ee82d6fc2dbcb1b26435
[INFO] running `Command { std: "docker" "start" "-a" "8c6780b2d143d2feb6091bdfb86ab5b3b250a08c6032ee82d6fc2dbcb1b26435", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling monomo_macros v0.1.1
[INFO] [stderr]    Compiling monomo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "8c6780b2d143d2feb6091bdfb86ab5b3b250a08c6032ee82d6fc2dbcb1b26435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6780b2d143d2feb6091bdfb86ab5b3b250a08c6032ee82d6fc2dbcb1b26435", kill_on_drop: false }`
[INFO] [stdout] 8c6780b2d143d2feb6091bdfb86ab5b3b250a08c6032ee82d6fc2dbcb1b26435
[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] 7942c04c4c6ad358caf8c39a9acfdd49ffbc58baa94437bb706889af058997f9
[INFO] running `Command { std: "docker" "start" "-a" "7942c04c4c6ad358caf8c39a9acfdd49ffbc58baa94437bb706889af058997f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling monomo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Foo` is never used
[INFO] [stdout]  --> src/lib.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     trait Foo<T> {}
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     struct B;
[INFO] [stdout]   |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "7942c04c4c6ad358caf8c39a9acfdd49ffbc58baa94437bb706889af058997f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7942c04c4c6ad358caf8c39a9acfdd49ffbc58baa94437bb706889af058997f9", kill_on_drop: false }`
[INFO] [stdout] 7942c04c4c6ad358caf8c39a9acfdd49ffbc58baa94437bb706889af058997f9
[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] 86e63638d581c97d63d17dfee4b01abc1e69bcd5f70138f93634d098c358732e
[INFO] running `Command { std: "docker" "start" "-a" "86e63638d581c97d63d17dfee4b01abc1e69bcd5f70138f93634d098c358732e", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Foo` is never used
[INFO] [stderr]  --> src/lib.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 |     trait Foo<T> {}
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `B` is never constructed
[INFO] [stderr]  --> src/lib.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     struct B;
[INFO] [stderr]   |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: `monomo` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/monomo-921c9e26bdc68b8e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests monomo
[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" "86e63638d581c97d63d17dfee4b01abc1e69bcd5f70138f93634d098c358732e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e63638d581c97d63d17dfee4b01abc1e69bcd5f70138f93634d098c358732e", kill_on_drop: false }`
[INFO] [stdout] 86e63638d581c97d63d17dfee4b01abc1e69bcd5f70138f93634d098c358732e