[INFO] fetching crate fernwright-mcp 0.1.0...
[INFO] checking fernwright-mcp-0.1.0 against master#cb40c25f6aebb637163d26bf76a680ed6e5d1eda for pr-156157
[INFO] extracting crate fernwright-mcp 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fernwright-mcp 0.1.0
[INFO] finished tweaking crates.io crate fernwright-mcp 0.1.0
[INFO] tweaked toml for crates.io crate fernwright-mcp 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fernwright-mcp 0.1.0 on toolchain cb40c25f6aebb637163d26bf76a680ed6e5d1eda
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fernwright-mcp 0.1.0 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" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88c902db804a3212f6418509143f1fb3d878fe1aeb574c66426efd6225697b04
[INFO] running `Command { std: "docker" "start" "-a" "88c902db804a3212f6418509143f1fb3d878fe1aeb574c66426efd6225697b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88c902db804a3212f6418509143f1fb3d878fe1aeb574c66426efd6225697b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c902db804a3212f6418509143f1fb3d878fe1aeb574c66426efd6225697b04", kill_on_drop: false }`
[INFO] [stdout] 88c902db804a3212f6418509143f1fb3d878fe1aeb574c66426efd6225697b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cb40c25f6aebb637163d26bf76a680ed6e5d1eda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dc2fe8ae19056eaaf09da0672ff2f833b11a391204fae557f8200e227f46884
[INFO] running `Command { std: "docker" "start" "-a" "1dc2fe8ae19056eaaf09da0672ff2f833b11a391204fae557f8200e227f46884", kill_on_drop: false }`
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[INFO] [stdout] warning: function `icon_candidates` is never used
[INFO] [stdout]    --> src/main.rs:647:4
[INFO] [stdout]     |
[INFO] [stdout] 647 | fn icon_candidates() -> Vec<PathBuf> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `icon_candidates` is never used
[INFO] [stdout]    --> src/main.rs:647:4
[INFO] [stdout]     |
[INFO] [stdout] 647 | fn icon_candidates() -> Vec<PathBuf> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "1dc2fe8ae19056eaaf09da0672ff2f833b11a391204fae557f8200e227f46884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc2fe8ae19056eaaf09da0672ff2f833b11a391204fae557f8200e227f46884", kill_on_drop: false }`
[INFO] [stdout] 1dc2fe8ae19056eaaf09da0672ff2f833b11a391204fae557f8200e227f46884
