[INFO] fetching crate prometheus-client 0.24.1...
[INFO] checking prometheus-client-0.24.1 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate prometheus-client 0.24.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate prometheus-client 0.24.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate prometheus-client 0.24.1
[INFO] tweaked toml for crates.io crate prometheus-client 0.24.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-client 0.24.1 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prometheus-client 0.24.1 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a20ec0a09ae6e07d134536d50519be3bdbfc27f415351dd804a895163ac32ff
[INFO] running `Command { std: "docker" "start" "-a" "6a20ec0a09ae6e07d134536d50519be3bdbfc27f415351dd804a895163ac32ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a20ec0a09ae6e07d134536d50519be3bdbfc27f415351dd804a895163ac32ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a20ec0a09ae6e07d134536d50519be3bdbfc27f415351dd804a895163ac32ff", kill_on_drop: false }`
[INFO] [stdout] 6a20ec0a09ae6e07d134536d50519be3bdbfc27f415351dd804a895163ac32ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 609f1d091394cb541cb06d5189287232698e79878672e6d2346c4683e009ee91
[INFO] running `Command { std: "docker" "start" "-a" "609f1d091394cb541cb06d5189287232698e79878672e6d2346c4683e009ee91", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling cc v1.2.14
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling serde_json v1.0.138
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]     Checking event-listener-strategy v0.5.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking aes-soft v0.6.4
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[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking blocking v1.6.1
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[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking fastrand v1.9.0
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[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling pyo3-build-config v0.27.2
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.86
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]     Checking miniz_oxide v0.8.4
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]     Checking brotli-decompressor v4.0.2
[INFO] [stderr]     Checking actix-utils v3.0.1
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling bytestring v1.4.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.29
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.27.2
[INFO] [stderr]    Compiling pyo3-ffi v0.27.2
[INFO] [stderr]    Compiling derive_more v0.99.19
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]    Compiling pyo3 v0.27.2
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking brotli v6.0.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking local-channel v0.1.5
[INFO] [stderr]     Checking async-dup v1.2.4
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking language-tags v0.3.2
[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/012cd62c9add58ab3910e44c137d87db3ab70f61/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/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 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="channel"' --cfg 'feature="default"' --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", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=d72b983183fc41f6 -C extra-filename=-400fe343bc544674 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-e576ddda93472a3b.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-c825ae5183b465a3.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-22213700d03a3054.rmeta --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-3adf6dbc4af1934c.so --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-28e5d92fe899e1fc.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-1bc581a20d952255.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-f9fa5fa889059a31.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-5cecbae01b8c8dea.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-b0f739f431539d89.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-1ad5c3c360947f07.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/012cd62c9add58ab3910e44c137d87db3ab70f61/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=e7cd39f28e2de402 -C extra-filename=-ce57f536599e4967 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f3255f2321f0c2d6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2be5818c73ceeb46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-71ecf41e7fbd099f.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "609f1d091394cb541cb06d5189287232698e79878672e6d2346c4683e009ee91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609f1d091394cb541cb06d5189287232698e79878672e6d2346c4683e009ee91", kill_on_drop: false }`
[INFO] [stdout] 609f1d091394cb541cb06d5189287232698e79878672e6d2346c4683e009ee91
