[INFO] fetching crate but 0.0.0...
[INFO] checking but-0.0.0 against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-3
[INFO] extracting crate but 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate but 0.0.0
[INFO] finished tweaking crates.io crate but 0.0.0
[INFO] tweaked toml for crates.io crate but 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate but 0.0.0 on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate but 0.0.0 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmcp-macros v0.1.5
[INFO] [stderr]   Downloaded rmcp v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd9b5b3d5083feeecdeac5f89e87151c2a577249ff69b78651a442f374cf5925
[INFO] running `Command { std: "docker" "start" "-a" "fd9b5b3d5083feeecdeac5f89e87151c2a577249ff69b78651a442f374cf5925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9b5b3d5083feeecdeac5f89e87151c2a577249ff69b78651a442f374cf5925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9b5b3d5083feeecdeac5f89e87151c2a577249ff69b78651a442f374cf5925", kill_on_drop: false }`
[INFO] [stdout] fd9b5b3d5083feeecdeac5f89e87151c2a577249ff69b78651a442f374cf5925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04be11c36c084f45806ad9edbbf6cbb60ffbea26b7c3f7b27a3c5d1e529cd042
[INFO] running `Command { std: "docker" "start" "-a" "04be11c36c084f45806ad9edbbf6cbb60ffbea26b7c3f7b27a3c5d1e529cd042", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking clap_builder v4.5.38
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling rmcp-macros v0.1.5
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]     Checking tokio v1.45.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking clap v4.5.38
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking rmcp v0.1.5
[INFO] [stderr]     Checking but v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.07s
[INFO] running `Command { std: "docker" "inspect" "04be11c36c084f45806ad9edbbf6cbb60ffbea26b7c3f7b27a3c5d1e529cd042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04be11c36c084f45806ad9edbbf6cbb60ffbea26b7c3f7b27a3c5d1e529cd042", kill_on_drop: false }`
[INFO] [stdout] 04be11c36c084f45806ad9edbbf6cbb60ffbea26b7c3f7b27a3c5d1e529cd042