[INFO] fetching crate but 0.0.0...
[INFO] checking but-0.0.0 against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] extracting crate but 0.0.0 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate but 0.0.0 on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bd473be633c9a7ed6b30d813d497b600d85f71d95802c98245d5816fc2d5ef8
[INFO] running `Command { std: "docker" "start" "-a" "2bd473be633c9a7ed6b30d813d497b600d85f71d95802c98245d5816fc2d5ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bd473be633c9a7ed6b30d813d497b600d85f71d95802c98245d5816fc2d5ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd473be633c9a7ed6b30d813d497b600d85f71d95802c98245d5816fc2d5ef8", kill_on_drop: false }`
[INFO] [stdout] 2bd473be633c9a7ed6b30d813d497b600d85f71d95802c98245d5816fc2d5ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 921ce47e27427a0f1bb3f470a5c3da9385263df00a65858a9ff0e7b2a4b0e007
[INFO] running `Command { std: "docker" "start" "-a" "921ce47e27427a0f1bb3f470a5c3da9385263df00a65858a9ff0e7b2a4b0e007", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking clap_builder v4.5.38
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[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 clap v4.5.38
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[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 27.24s
[INFO] running `Command { std: "docker" "inspect" "921ce47e27427a0f1bb3f470a5c3da9385263df00a65858a9ff0e7b2a4b0e007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921ce47e27427a0f1bb3f470a5c3da9385263df00a65858a9ff0e7b2a4b0e007", kill_on_drop: false }`
[INFO] [stdout] 921ce47e27427a0f1bb3f470a5c3da9385263df00a65858a9ff0e7b2a4b0e007