[INFO] fetching crate etag 4.0.0...
[INFO] testing etag-4.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate etag 4.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate etag 4.0.0
[INFO] finished tweaking crates.io crate etag 4.0.0
[INFO] tweaked toml for crates.io crate etag 4.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate etag 4.0.0 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] 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 2 packages to latest compatible versions
[INFO] [stderr]       Adding str-buf v3.0.3 (available: v4.0.0)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 067ec3068f14369ed79b49c25eaff0cd947715024b188ed038ef4315171c21d7
[INFO] running `Command { std: "docker" "start" "-a" "067ec3068f14369ed79b49c25eaff0cd947715024b188ed038ef4315171c21d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "067ec3068f14369ed79b49c25eaff0cd947715024b188ed038ef4315171c21d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067ec3068f14369ed79b49c25eaff0cd947715024b188ed038ef4315171c21d7", kill_on_drop: false }`
[INFO] [stdout] 067ec3068f14369ed79b49c25eaff0cd947715024b188ed038ef4315171c21d7
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a46e7aed73310e5d48b6acf8bfdee3b19848bf3ae12cf811421c4daa29b7862c
[INFO] running `Command { std: "docker" "start" "-a" "a46e7aed73310e5d48b6acf8bfdee3b19848bf3ae12cf811421c4daa29b7862c", kill_on_drop: false }`
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling str-buf v3.0.3
[INFO] [stderr]    Compiling etag v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "a46e7aed73310e5d48b6acf8bfdee3b19848bf3ae12cf811421c4daa29b7862c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46e7aed73310e5d48b6acf8bfdee3b19848bf3ae12cf811421c4daa29b7862c", kill_on_drop: false }`
[INFO] [stdout] a46e7aed73310e5d48b6acf8bfdee3b19848bf3ae12cf811421c4daa29b7862c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c97ba96074d1c26db9e030ac4322d95b1de974b97f3e193a3b33bfed22d290bb
[INFO] running `Command { std: "docker" "start" "-a" "c97ba96074d1c26db9e030ac4322d95b1de974b97f3e193a3b33bfed22d290bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling etag v4.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> src/lib.rs:338:24
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let expected = std::format!("{0}-{1}", u64::max_value(), u128::max_value());
[INFO] [stdout]     |                        ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:25:14
[INFO] [stdout]     |
[INFO] [stdout]  24 | #[cfg(feature = "std")]
[INFO] [stdout]     |       --------------- the item is gated behind the `std` feature
[INFO] [stdout]  25 | extern crate std;
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]    --> src/lib.rs:335:24
[INFO] [stdout]     |
[INFO] [stdout] 335 |         let expected = std::format!("{0}.{0}-{0}", u64::max_value());
[INFO] [stdout]     |                        ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:25:14
[INFO] [stdout]     |
[INFO] [stdout]  24 | #[cfg(feature = "std")]
[INFO] [stdout]     |       --------------- the item is gated behind the `std` feature
[INFO] [stdout]  25 | extern crate std;
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `etag` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c97ba96074d1c26db9e030ac4322d95b1de974b97f3e193a3b33bfed22d290bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97ba96074d1c26db9e030ac4322d95b1de974b97f3e193a3b33bfed22d290bb", kill_on_drop: false }`
[INFO] [stdout] c97ba96074d1c26db9e030ac4322d95b1de974b97f3e193a3b33bfed22d290bb