[INFO] fetching crate crates-mcp 0.1.0...
[INFO] checking crates-mcp-0.1.0 against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657-1
[INFO] extracting crate crates-mcp 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate crates-mcp 0.1.0
[INFO] finished tweaking crates.io crate crates-mcp 0.1.0
[INFO] tweaked toml for crates.io crate crates-mcp 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crates-mcp 0.1.0 on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crates-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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9cda8079a9545b213897a7617ba2f9d95ac9100353a99b1b63c515237c93602
[INFO] running `Command { std: "docker" "start" "-a" "d9cda8079a9545b213897a7617ba2f9d95ac9100353a99b1b63c515237c93602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9cda8079a9545b213897a7617ba2f9d95ac9100353a99b1b63c515237c93602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cda8079a9545b213897a7617ba2f9d95ac9100353a99b1b63c515237c93602", kill_on_drop: false }`
[INFO] [stdout] d9cda8079a9545b213897a7617ba2f9d95ac9100353a99b1b63c515237c93602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2796fe8447fa54e73af76d28914e1ba7b06d804f2a141971ef9604a286bb68fc
[INFO] running `Command { std: "docker" "start" "-a" "2796fe8447fa54e73af76d28914e1ba7b06d804f2a141971ef9604a286bb68fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking zlib-rs v0.5.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking gix-utils v0.3.0
[INFO] [stderr]     Checking heapless v0.8.0
[INFO] [stderr]     Checking winnow v0.7.11
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking digest v0.10.7
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[INFO] [stderr]     Checking sync_wrapper v1.0.2
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[INFO] [stderr]    Compiling openssl v0.10.73
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[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking futures-util v0.3.31
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[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking h2 v0.4.10
[INFO] [stderr]     Checking faster-hex v0.10.0
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking smol_str v0.3.2
[INFO] [stderr]     Checking gix-hash v0.18.0
[INFO] [stderr]     Checking gix-packetline v0.19.0
[INFO] [stderr]     Checking gix-packetline-blocking v0.19.0
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking gix-hashtable v0.8.1
[INFO] [stderr]     Checking gix-commitgraph v0.28.0
[INFO] [stderr]     Checking gix-shallow v0.4.0
[INFO] [stderr]     Checking gix-object v0.49.1
[INFO] [stderr]     Checking gix-url v0.31.0
[INFO] [stderr]     Checking gix-credentials v0.29.0
[INFO] [stderr]     Checking gix-transport v0.47.0
[INFO] [stdout] error[E0277]: the trait bound `(): std::error::Error` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gix-transport-0.47.0/src/client/blocking_io/connect.rs:32:38
[INFO] [stdout]    |
[INFO] [stdout] 32 |                         .map_err(|e| Box::new(e) as Box<dyn std::error::Error + Send + Sync>)?,
[INFO] [stdout]    |                                      ^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast from `Box<()>` to `Box<dyn std::error::Error + Send + Sync>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mcp-core v0.1.50
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gix-transport` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2796fe8447fa54e73af76d28914e1ba7b06d804f2a141971ef9604a286bb68fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2796fe8447fa54e73af76d28914e1ba7b06d804f2a141971ef9604a286bb68fc", kill_on_drop: false }`
[INFO] [stdout] 2796fe8447fa54e73af76d28914e1ba7b06d804f2a141971ef9604a286bb68fc