[INFO] fetching crate junkbox 0.1.0...
[INFO] testing junkbox-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate junkbox 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate junkbox 0.1.0
[INFO] finished tweaking crates.io crate junkbox 0.1.0
[INFO] tweaked toml for crates.io crate junkbox 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate junkbox 0.1.0 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] crate crates.io crate junkbox 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] 96b2053809ca8ba089bcea369939591165c60e0812fddcab06f48733f6eae734
[INFO] running `Command { std: "docker" "start" "-a" "96b2053809ca8ba089bcea369939591165c60e0812fddcab06f48733f6eae734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96b2053809ca8ba089bcea369939591165c60e0812fddcab06f48733f6eae734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b2053809ca8ba089bcea369939591165c60e0812fddcab06f48733f6eae734", kill_on_drop: false }`
[INFO] [stdout] 96b2053809ca8ba089bcea369939591165c60e0812fddcab06f48733f6eae734
[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] 599608741b0d0f3d575af6c3bb114c2478a90d2c83ed2d0c51f8d57a3efe908e
[INFO] running `Command { std: "docker" "start" "-a" "599608741b0d0f3d575af6c3bb114c2478a90d2c83ed2d0c51f8d57a3efe908e", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]    Compiling ron v0.8.0
[INFO] [stderr]    Compiling junkbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Child`, `Output`, and `self`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{self, Error},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 3 |     process::{Child, ExitStatus, Output},
[INFO] [stdout]   |               ^^^^^              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.03s
[INFO] running `Command { std: "docker" "inspect" "599608741b0d0f3d575af6c3bb114c2478a90d2c83ed2d0c51f8d57a3efe908e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599608741b0d0f3d575af6c3bb114c2478a90d2c83ed2d0c51f8d57a3efe908e", kill_on_drop: false }`
[INFO] [stdout] 599608741b0d0f3d575af6c3bb114c2478a90d2c83ed2d0c51f8d57a3efe908e
[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] 9c0be7ab9abb95298fcc4f320280748370c677664cb3cb9605d69dbe20171ae2
[INFO] running `Command { std: "docker" "start" "-a" "9c0be7ab9abb95298fcc4f320280748370c677664cb3cb9605d69dbe20171ae2", kill_on_drop: false }`
[INFO] [stderr]    Compiling junkbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Child`, `Output`, and `self`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{self, Error},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 3 |     process::{Child, ExitStatus, Output},
[INFO] [stdout]   |               ^^^^^              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "9c0be7ab9abb95298fcc4f320280748370c677664cb3cb9605d69dbe20171ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0be7ab9abb95298fcc4f320280748370c677664cb3cb9605d69dbe20171ae2", kill_on_drop: false }`
[INFO] [stdout] 9c0be7ab9abb95298fcc4f320280748370c677664cb3cb9605d69dbe20171ae2
[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] bb663947e6c0ea8730a45388d940beb943e0c629d6d9c970bf2e519827f68c38
[INFO] running `Command { std: "docker" "start" "-a" "bb663947e6c0ea8730a45388d940beb943e0c629d6d9c970bf2e519827f68c38", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Child`, `Output`, and `self`
[INFO] [stderr]  --> src/main.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 |     io::{self, Error},
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 3 |     process::{Child, ExitStatus, Output},
[INFO] [stderr]   |               ^^^^^              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `junkbox` (bin "junkbox" test) generated 1 warning (run `cargo fix --bin "junkbox" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/junkbox-778c5e9afd97ffe5)
[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" "bb663947e6c0ea8730a45388d940beb943e0c629d6d9c970bf2e519827f68c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb663947e6c0ea8730a45388d940beb943e0c629d6d9c970bf2e519827f68c38", kill_on_drop: false }`
[INFO] [stdout] bb663947e6c0ea8730a45388d940beb943e0c629d6d9c970bf2e519827f68c38