[INFO] fetching crate koto_serialize 0.15.3...
[INFO] checking koto_serialize-0.15.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate koto_serialize 0.15.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate koto_serialize 0.15.3
[INFO] finished tweaking crates.io crate koto_serialize 0.15.3
[INFO] tweaked toml for crates.io crate koto_serialize 0.15.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate koto_serialize 0.15.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate koto_serialize 0.15.3 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c085e66c7aefb428b2241a44b194ed35b30b2e07efdb6a8e8ad510d22c06739d
[INFO] running `Command { std: "docker" "start" "-a" "c085e66c7aefb428b2241a44b194ed35b30b2e07efdb6a8e8ad510d22c06739d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c085e66c7aefb428b2241a44b194ed35b30b2e07efdb6a8e8ad510d22c06739d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c085e66c7aefb428b2241a44b194ed35b30b2e07efdb6a8e8ad510d22c06739d", kill_on_drop: false }`
[INFO] [stdout] c085e66c7aefb428b2241a44b194ed35b30b2e07efdb6a8e8ad510d22c06739d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f173a7cb223029ce8809e20bad3583a4626dcbd196f687cc5c90d729deac20e7
[INFO] running `Command { std: "docker" "start" "-a" "f173a7cb223029ce8809e20bad3583a4626dcbd196f687cc5c90d729deac20e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling thiserror v1.0.68
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking koto_memory v0.15.3
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking circular-buffer v0.1.9
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking dunce v1.0.5
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking saturating_cast v0.1.0
[INFO] [stderr]     Checking koto_lexer v0.15.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling thiserror-impl v1.0.68
[INFO] [stderr]    Compiling derive-name-macros v1.1.1
[INFO] [stderr]    Compiling koto_derive v0.15.3
[INFO] [stderr]     Checking derive-name v1.1.0
[INFO] [stderr]     Checking koto_parser v0.15.3
[INFO] [stderr]     Checking koto_bytecode v0.15.3
[INFO] [stderr]     Checking koto_runtime v0.15.3
[INFO] [stderr]     Checking koto_serialize v0.15.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.85s
[INFO] running `Command { std: "docker" "inspect" "f173a7cb223029ce8809e20bad3583a4626dcbd196f687cc5c90d729deac20e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f173a7cb223029ce8809e20bad3583a4626dcbd196f687cc5c90d729deac20e7", kill_on_drop: false }`
[INFO] [stdout] f173a7cb223029ce8809e20bad3583a4626dcbd196f687cc5c90d729deac20e7