[INFO] fetching crate flowmium 0.0.6...
[INFO] checking flowmium-0.0.6 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] extracting crate flowmium 0.0.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate flowmium 0.0.6 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowmium 0.0.6
[INFO] finished tweaking crates.io crate flowmium 0.0.6
[INFO] tweaked toml for crates.io crate flowmium 0.0.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate flowmium 0.0.6 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v1.0.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9641957870adcb2a0f6a79dad92724a39a98a936bca1f21f69185c74cd8e1eb
[INFO] running `Command { std: "docker" "start" "-a" "c9641957870adcb2a0f6a79dad92724a39a98a936bca1f21f69185c74cd8e1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9641957870adcb2a0f6a79dad92724a39a98a936bca1f21f69185c74cd8e1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9641957870adcb2a0f6a79dad92724a39a98a936bca1f21f69185c74cd8e1eb", kill_on_drop: false }`
[INFO] [stdout] c9641957870adcb2a0f6a79dad92724a39a98a936bca1f21f69185c74cd8e1eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e44e0cbb74fd17641296472c558bcc8764e8049a090381a77f61114cf09f20
[INFO] running `Command { std: "docker" "start" "-a" "b5e44e0cbb74fd17641296472c558bcc8764e8049a090381a77f61114cf09f20", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "b5e44e0cbb74fd17641296472c558bcc8764e8049a090381a77f61114cf09f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e44e0cbb74fd17641296472c558bcc8764e8049a090381a77f61114cf09f20", kill_on_drop: false }`
[INFO] [stdout] b5e44e0cbb74fd17641296472c558bcc8764e8049a090381a77f61114cf09f20
[INFO] checking flowmium-0.0.6 against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] extracting crate flowmium 0.0.6 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate flowmium 0.0.6 on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowmium 0.0.6
[INFO] finished tweaking crates.io crate flowmium 0.0.6
[INFO] tweaked toml for crates.io crate flowmium 0.0.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate flowmium 0.0.6 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7b9382a243ad8515bf215eebe0f9f4fe18366e17193d6d3363728ae954507a1
[INFO] running `Command { std: "docker" "start" "-a" "d7b9382a243ad8515bf215eebe0f9f4fe18366e17193d6d3363728ae954507a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b9382a243ad8515bf215eebe0f9f4fe18366e17193d6d3363728ae954507a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b9382a243ad8515bf215eebe0f9f4fe18366e17193d6d3363728ae954507a1", kill_on_drop: false }`
[INFO] [stdout] d7b9382a243ad8515bf215eebe0f9f4fe18366e17193d6d3363728ae954507a1
[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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a5dfd4e76bffc64e755b85f4cba48eeb7f715c83875cc7a44926e6189ec1453
[INFO] running `Command { std: "docker" "start" "-a" "7a5dfd4e76bffc64e755b85f4cba48eeb7f715c83875cc7a44926e6189ec1453", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling syn v2.0.36
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling openssl-src v300.1.3+3.1.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling k8s-openapi v0.17.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling time-macros v0.2.14
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]    Compiling aho-corasick v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling schemars v0.8.13
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling hyper-openssl v0.9.2
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking dyn-clone v1.0.13
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling regex-automata v0.3.8
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking brotli-decompressor v2.3.4
[INFO] [stderr]     Checking actix-utils v3.0.1
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]    Compiling bytestring v1.3.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling finl_unicode v1.2.0
[INFO] [stderr]    Compiling crc-catalog v2.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling sqlformat v0.2.2
[INFO] [stderr]    Compiling stringprep v0.1.4
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]    Compiling atoi v1.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling futures-intrusive v0.4.2
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]     Checking flate2 v1.0.27
[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/047472f299946caf090d1b5608ae4bd9f0416256/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=10f9d94eccb6501a -C extra-filename=-10f9d94eccb6501a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0cefa4e6e2816f1a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1d0d88fcf2b35c9e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f8d62a079c79a15a.rmeta --cap-lints allow --cap-lints=forbid -Ddereferencing_mut_binding` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7a5dfd4e76bffc64e755b85f4cba48eeb7f715c83875cc7a44926e6189ec1453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5dfd4e76bffc64e755b85f4cba48eeb7f715c83875cc7a44926e6189ec1453", kill_on_drop: false }`
[INFO] [stdout] 7a5dfd4e76bffc64e755b85f4cba48eeb7f715c83875cc7a44926e6189ec1453