[INFO] fetching crate target-spec-json 0.2.4...
[INFO] testing target-spec-json-0.2.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate target-spec-json 0.2.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate target-spec-json 0.2.4
[INFO] finished tweaking crates.io crate target-spec-json 0.2.4
[INFO] tweaked toml for crates.io crate target-spec-json 0.2.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate target-spec-json 0.2.4 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 target-spec-json 0.2.4 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0f9dec0af2d0ac6087fecff131ac8c1422bb359acb73aa08c8d2a600a1e4063
[INFO] running `Command { std: "docker" "start" "-a" "b0f9dec0af2d0ac6087fecff131ac8c1422bb359acb73aa08c8d2a600a1e4063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0f9dec0af2d0ac6087fecff131ac8c1422bb359acb73aa08c8d2a600a1e4063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f9dec0af2d0ac6087fecff131ac8c1422bb359acb73aa08c8d2a600a1e4063", kill_on_drop: false }`
[INFO] [stdout] b0f9dec0af2d0ac6087fecff131ac8c1422bb359acb73aa08c8d2a600a1e4063
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69e7a646a35507908b0aafe02a3380b733d7d3a920a18c04cd1d6dedd410e6a3
[INFO] running `Command { std: "docker" "start" "-a" "69e7a646a35507908b0aafe02a3380b733d7d3a920a18c04cd1d6dedd410e6a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling target-spec-json v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.95s
[INFO] running `Command { std: "docker" "inspect" "69e7a646a35507908b0aafe02a3380b733d7d3a920a18c04cd1d6dedd410e6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e7a646a35507908b0aafe02a3380b733d7d3a920a18c04cd1d6dedd410e6a3", kill_on_drop: false }`
[INFO] [stdout] 69e7a646a35507908b0aafe02a3380b733d7d3a920a18c04cd1d6dedd410e6a3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7859b64c58bf6a8350085fb3191467ac4becd0760078316e6a8b44f6875c954a
[INFO] running `Command { std: "docker" "start" "-a" "7859b64c58bf6a8350085fb3191467ac4becd0760078316e6a8b44f6875c954a", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-spec-json v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `test_helper`
[INFO] [stdout]   --> src/gen/tests/track_size.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     test_helper::git::assert_diff(
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `test_helper`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `test_helper`, use `cargo add test_helper` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `target-spec-json` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7859b64c58bf6a8350085fb3191467ac4becd0760078316e6a8b44f6875c954a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7859b64c58bf6a8350085fb3191467ac4becd0760078316e6a8b44f6875c954a", kill_on_drop: false }`
[INFO] [stdout] 7859b64c58bf6a8350085fb3191467ac4becd0760078316e6a8b44f6875c954a