[INFO] fetching crate mcptest 1.3.0...
[INFO] checking mcptest-1.3.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate mcptest 1.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mcptest 1.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcptest 1.3.0
[INFO] tweaked toml for crates.io crate mcptest 1.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcptest 1.3.0 on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcptest 1.3.0 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:192:1
[INFO] [stderr]     |
[INFO] [stderr] 192 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mcptest` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fe468664b1209fce207b3d56975cca0c5b0210081fde2a710f99e27b024ce72d
[INFO] running `Command { std: "docker" "start" "fe468664b1209fce207b3d56975cca0c5b0210081fde2a710f99e27b024ce72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe468664b1209fce207b3d56975cca0c5b0210081fde2a710f99e27b024ce72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fe468664b1209fce207b3d56975cca0c5b0210081fde2a710f99e27b024ce72d" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe468664b1209fce207b3d56975cca0c5b0210081fde2a710f99e27b024ce72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fe468664b1209fce207b3d56975cca0c5b0210081fde2a710f99e27b024ce72d" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:192:1
[INFO] [stderr]     |
[INFO] [stderr] 192 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `mcptest` (manifest) generated 1 warning
[INFO] [stderr]     Checking typenum v1.20.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking spin v0.9.9
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]    Compiling der_derive v0.7.3
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking ring v0.17.14
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]    Compiling rustls v0.23.40
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stderr]     Checking bytes-utils v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking compression-core v0.4.32
[INFO] [stderr]     Checking cmov v0.5.3
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]     Checking ctutils v0.4.2
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]    Compiling aws-smithy-runtime-api-macros v1.0.0
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]    Compiling stacker v0.1.24
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking ref-cast v1.0.25
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking compression-codecs v0.4.38
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]     Checking jaq-core v3.0.0
[INFO] [stderr]     Checking async-compression v0.4.42
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking fluent-uri v0.3.2
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking h2 v0.4.14
[INFO] [stderr]    Compiling recursive-proc-macro-impl v0.1.1
[INFO] [stderr]     Checking hybrid-array v0.4.12
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking regex-bites v0.1.6
[INFO] [stderr]     Checking better_any v0.2.1
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking jiff v0.2.24
[INFO] [stderr]     Checking antlr4rust v0.5.2
[INFO] [stderr]     Checking rustls-webpki v0.103.13
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking axum-core v0.5.6
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking fraction v0.15.4
[INFO] [stderr]     Checking referencing v0.30.0
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking crypto-common v0.2.2
[INFO] [stderr]     Checking block-buffer v0.12.0
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking fancy-regex v0.13.0
[INFO] [stderr]     Checking uuid-simd v0.8.0
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/40527f3e444fde1deb361751bdef9b9e11d1b971/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.32/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-macro"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "libc", "memchr", "portable-atomic", "sink", "slab", "spin", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=7739077f57e8d4a2 -C extra-filename=-efd293c0c4862198 --out-dir /opt/rustwide/target/debug/build/futures-util/efd293c0c4862198/out -L dependency=/opt/rustwide/target/debug/build/futures-core/fc564ec41b384c78/out -L dependency=/opt/rustwide/target/debug/build/futures-sink/692b785dabb8648f/out --extern futures_channel=/opt/rustwide/target/debug/build/futures-channel/0bb1271983ce8dcf/out/libfutures_channel-0bb1271983ce8dcf.rmeta --extern futures_core=/opt/rustwide/target/debug/build/futures-core/fc564ec41b384c78/out/libfutures_core-fc564ec41b384c78.rmeta --extern futures_io=/opt/rustwide/target/debug/build/futures-io/5edb3458eb363b6d/out/libfutures_io-5edb3458eb363b6d.rmeta --extern futures_macro=/opt/rustwide/target/debug/build/futures-macro/7d25b95e750ece78/out/libfutures_macro-7d25b95e750ece78.so --extern futures_sink=/opt/rustwide/target/debug/build/futures-sink/692b785dabb8648f/out/libfutures_sink-692b785dabb8648f.rmeta --extern futures_task=/opt/rustwide/target/debug/build/futures-task/4eabcfee88cdf0e8/out/libfutures_task-4eabcfee88cdf0e8.rmeta --extern memchr=/opt/rustwide/target/debug/build/memchr/71f172ffa8787e18/out/libmemchr-71f172ffa8787e18.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/build/pin-project-lite/939ff28c23f518de/out/libpin_project_lite-939ff28c23f518de.rmeta --extern slab=/opt/rustwide/target/debug/build/slab/a01d05c41b89a3e8/out/libslab-a01d05c41b89a3e8.rmeta --cap-lints allow --cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fe468664b1209fce207b3d56975cca0c5b0210081fde2a710f99e27b024ce72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe468664b1209fce207b3d56975cca0c5b0210081fde2a710f99e27b024ce72d", kill_on_drop: false }`
[INFO] [stdout] fe468664b1209fce207b3d56975cca0c5b0210081fde2a710f99e27b024ce72d
