[INFO] fetching crate mcp_rust_schema 0.1.4...
[INFO] checking mcp_rust_schema-0.1.4 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate mcp_rust_schema 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mcp_rust_schema 0.1.4
[INFO] finished tweaking crates.io crate mcp_rust_schema 0.1.4
[INFO] tweaked toml for crates.io crate mcp_rust_schema 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp_rust_schema 0.1.4 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--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]      Locking 149 packages to latest compatible versions
[INFO] [stderr]       Adding jsonschema v0.28.3 (available: v0.33.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca8204aaf9acba84eb160d4dec039c0848c09f4feeeb4155c5b9606b7980f7e
[INFO] running `Command { std: "docker" "start" "-a" "7ca8204aaf9acba84eb160d4dec039c0848c09f4feeeb4155c5b9606b7980f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca8204aaf9acba84eb160d4dec039c0848c09f4feeeb4155c5b9606b7980f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca8204aaf9acba84eb160d4dec039c0848c09f4feeeb4155c5b9606b7980f7e", kill_on_drop: false }`
[INFO] [stdout] 7ca8204aaf9acba84eb160d4dec039c0848c09f4feeeb4155c5b9606b7980f7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1785fc78f5f230105db1f9d7d32cb0f17108487dd4c568b2bd90cf7508e5d180
[INFO] running `Command { std: "docker" "start" "-a" "1785fc78f5f230105db1f9d7d32cb0f17108487dd4c568b2bd90cf7508e5d180", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr] error: could not compile `num-bigint` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/bin/rustc --crate-name num_bigint --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.4.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "quickcheck", "rand", "serde", "std"))' -C metadata=e192f7c44b893b53 -C extra-filename=-b5d3556601375e45 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-b3a9527937a8b0d2.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-a7791b2f298fde65.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1785fc78f5f230105db1f9d7d32cb0f17108487dd4c568b2bd90cf7508e5d180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1785fc78f5f230105db1f9d7d32cb0f17108487dd4c568b2bd90cf7508e5d180", kill_on_drop: false }`
[INFO] [stdout] 1785fc78f5f230105db1f9d7d32cb0f17108487dd4c568b2bd90cf7508e5d180