[INFO] fetching crate trip 0.1.12...
[INFO] testing trip-0.1.12 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate trip 0.1.12 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate trip 0.1.12
[INFO] finished tweaking crates.io crate trip 0.1.12
[INFO] tweaked toml for crates.io crate trip 0.1.12 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trip 0.1.12 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d01d97db5df4d2e13466bbad1137d3ed72ac7ebd48ed9bea77d67d3c04260c37
[INFO] running `Command { std: "docker" "start" "-a" "d01d97db5df4d2e13466bbad1137d3ed72ac7ebd48ed9bea77d67d3c04260c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d01d97db5df4d2e13466bbad1137d3ed72ac7ebd48ed9bea77d67d3c04260c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01d97db5df4d2e13466bbad1137d3ed72ac7ebd48ed9bea77d67d3c04260c37", kill_on_drop: false }`
[INFO] [stdout] d01d97db5df4d2e13466bbad1137d3ed72ac7ebd48ed9bea77d67d3c04260c37
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1499429bffab6ef11281ed52194205c92278c699dc49f1b16a292eb5585451b4
[INFO] running `Command { std: "docker" "start" "-a" "1499429bffab6ef11281ed52194205c92278c699dc49f1b16a292eb5585451b4", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling trip v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "1499429bffab6ef11281ed52194205c92278c699dc49f1b16a292eb5585451b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1499429bffab6ef11281ed52194205c92278c699dc49f1b16a292eb5585451b4", kill_on_drop: false }`
[INFO] [stdout] 1499429bffab6ef11281ed52194205c92278c699dc49f1b16a292eb5585451b4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 699abe1d97f9ce1aadcd7b4b4ca45202d7f5a0cc79ea204c698f92bc5d73002e
[INFO] running `Command { std: "docker" "start" "-a" "699abe1d97f9ce1aadcd7b4b4ca45202d7f5a0cc79ea204c698f92bc5d73002e", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling trip v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]     --> src/trip.rs:1755:7
[INFO] [stdout]      |
[INFO] [stdout] 1755 |     #[bench]
[INFO] [stdout]      |       ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test`
[INFO] [stdout]     --> src/trip.rs:1743:9
[INFO] [stdout]      |
[INFO] [stdout] 1743 |     use test::Bencher;
[INFO] [stdout]      |         ^^^^ use of unresolved module or unlinked crate `test`
[INFO] [stdout]      |
[INFO] [stdout] help: if you wanted to use a crate named `test`, use `cargo add test` to add it to your `Cargo.toml` and import it in your code
[INFO] [stdout]     -->  src/main.rs:1:1
[INFO] [stdout]      |
[INFO] [stdout]    1 + extern crate test;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trip` (bin "trip" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "699abe1d97f9ce1aadcd7b4b4ca45202d7f5a0cc79ea204c698f92bc5d73002e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699abe1d97f9ce1aadcd7b4b4ca45202d7f5a0cc79ea204c698f92bc5d73002e", kill_on_drop: false }`
[INFO] [stdout] 699abe1d97f9ce1aadcd7b4b4ca45202d7f5a0cc79ea204c698f92bc5d73002e
