[INFO] cloning repository https://github.com/guppy-rs/guppy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guppy-rs/guppy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguppy-rs%2Fguppy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguppy-rs%2Fguppy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07c17f96f37ebd75d11e30428a1a3bfa4e23cdfa
[INFO] checking guppy-rs/guppy against master#8387315ab3c26a57a1f53a90f188f0bc88514bca for pr-124605
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguppy-rs%2Fguppy" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guppy-rs/guppy on toolchain 8387315ab3c26a57a1f53a90f188f0bc88514bca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/guppy-rs/guppy
[INFO] finished tweaking git repo https://github.com/guppy-rs/guppy
[INFO] tweaked toml for git repo https://github.com/guppy-rs/guppy written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/guppy-rs/guppy 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" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diffus v0.10.0
[INFO] [stderr]   Downloaded nested v0.1.1
[INFO] [stderr]   Downloaded tabular v0.2.0
[INFO] [stderr]   Downloaded bimap v0.6.3
[INFO] [stderr]   Downloaded cfg-expr v0.15.6
[INFO] [stderr]   Downloaded toml_edit v0.17.1
[INFO] [stderr]   Downloaded cargo-platform v0.1.6
[INFO] [stderr]   Downloaded cargo-util v0.2.8
[INFO] [stderr]   Downloaded gix-packetline-blocking v0.16.6
[INFO] [stderr]   Downloaded maybe-async v0.2.9
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[INFO] [stderr]   Downloaded crates-io v0.39.1
[INFO] [stderr]   Downloaded gix-lock v11.0.1
[INFO] [stderr]   Downloaded gix-commitgraph v0.22.1
[INFO] [stderr]   Downloaded gix-actor v0.28.1
[INFO] [stderr]   Downloaded rustfix v0.6.1
[INFO] [stderr]   Downloaded gix-attributes v0.20.1
[INFO] [stderr]   Downloaded cargo-credential-macos-keychain v0.4.1
[INFO] [stderr]   Downloaded cargo-credential v0.4.1
[INFO] [stderr]   Downloaded color-print-proc-macro v0.3.5
[INFO] [stderr]   Downloaded gix-odb v0.54.0
[INFO] [stderr]   Downloaded gix-diff v0.37.0
[INFO] [stderr]   Downloaded gix-negotiate v0.9.0
[INFO] [stderr]   Downloaded gix-pack v0.44.0
[INFO] [stderr]   Downloaded gix-config v0.31.0
[INFO] [stderr]   Downloaded gix-transport v0.38.0
[INFO] [stderr]   Downloaded gix-index v0.26.0
[INFO] [stderr]   Downloaded gix v0.55.2
[INFO] [stderr]   Downloaded winnow v0.5.37
[INFO] [stderr]   Downloaded gix-protocol v0.41.1
[INFO] [stderr]   Downloaded gix-ref v0.38.0
[INFO] [stderr]   Downloaded gix-packetline v0.16.7
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[INFO] [stderr]   Downloaded gix-features v0.35.0
[INFO] [stderr]   Downloaded gix-credentials v0.21.0
[INFO] [stderr]   Downloaded cargo v0.76.0
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[INFO] [stderr]   Downloaded curl-sys v0.4.71+curl-8.6.0
[INFO] [stderr]   Downloaded gix-url v0.25.2
[INFO] [stderr]   Downloaded gix-ignore v0.9.1
[INFO] [stderr]   Downloaded gix-fs v0.8.1
[INFO] [stderr]   Downloaded gix-traverse v0.34.0
[INFO] [stderr]   Downloaded cargo-credential-wincred v0.4.1
[INFO] [stderr]   Downloaded gix-filter v0.6.0
[INFO] [stderr]   Downloaded gix-tempfile v11.0.1
[INFO] [stderr]   Downloaded toml v0.8.9
[INFO] [stderr]   Downloaded atomicwrites v0.4.3
[INFO] [stderr]   Downloaded gix-glob v0.14.1
[INFO] [stderr]   Downloaded erased-serde v0.4.2
[INFO] [stderr]   Downloaded gix-revision v0.23.0
[INFO] [stderr]   Downloaded gix-hashtable v0.4.1
[INFO] [stderr]   Downloaded gix-revwalk v0.9.0
[INFO] [stderr]   Downloaded gix-worktree v0.27.0
[INFO] [stderr]   Downloaded gix-refspec v0.19.0
[INFO] [stderr]   Downloaded gix-command v0.2.10
[INFO] [stderr]   Downloaded gix-prompt v0.7.0
[INFO] [stderr]   Downloaded gix-features v0.36.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d1d8f55b3638e3121ac965ad4a74b36551b94a064b711c8ff1e66cfea6d5cd3
[INFO] running `Command { std: "docker" "start" "-a" "8d1d8f55b3638e3121ac965ad4a74b36551b94a064b711c8ff1e66cfea6d5cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d1d8f55b3638e3121ac965ad4a74b36551b94a064b711c8ff1e66cfea6d5cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1d8f55b3638e3121ac965ad4a74b36551b94a064b711c8ff1e66cfea6d5cd3", kill_on_drop: false }`
[INFO] [stdout] 8d1d8f55b3638e3121ac965ad4a74b36551b94a064b711c8ff1e66cfea6d5cd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c29d82a6bc02343df9a6462f1e3189e15fac185b5a4a93a242e4a2c84d9fa11a
[INFO] running `Command { std: "docker" "start" "-a" "c29d82a6bc02343df9a6462f1e3189e15fac185b5a4a93a242e4a2c84d9fa11a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling camino v1.1.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling target-spec v3.1.0 (/opt/rustwide/workdir/target-spec)
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking supports-color v1.3.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking cfg-expr v0.15.6
[INFO] [stderr]     Checking gix-trace v0.1.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking debug-ignore v1.0.5
[INFO] [stderr]     Checking prodash v26.2.2
[INFO] [stderr]     Checking nested v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking diffus v0.10.0
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking btoi v0.4.3
[INFO] [stderr]     Checking winnow v0.5.37
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.9+1.58.0
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking nom8 v0.2.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking toml_datetime v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.83
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling curl-sys v0.4.71+curl-8.6.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking url v2.5.0
[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/8387315ab3c26a57a1f53a90f188f0bc88514bca/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.48/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=b7a0e971dd5d898a -C extra-filename=-b7a0e971dd5d898a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6b6a52a206917441.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e3e2745b1c1d8733.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.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/8387315ab3c26a57a1f53a90f188f0bc88514bca/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"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=43af4ed2381415c3 -C extra-filename=-43af4ed2381415c3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6b6a52a206917441.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e3e2745b1c1d8733.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c29d82a6bc02343df9a6462f1e3189e15fac185b5a4a93a242e4a2c84d9fa11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29d82a6bc02343df9a6462f1e3189e15fac185b5a4a93a242e4a2c84d9fa11a", kill_on_drop: false }`
[INFO] [stdout] c29d82a6bc02343df9a6462f1e3189e15fac185b5a4a93a242e4a2c84d9fa11a