[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] 633220234371d61745e740b8b7dd8f04a80c86fb
[INFO] checking guppy-rs/guppy against try#5f19a76e461cf77b2134117fdb950227589d6a08 for pr-116935
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguppy-rs%2Fguppy" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guppy-rs/guppy on toolchain 5f19a76e461cf77b2134117fdb950227589d6a08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5f19a76e461cf77b2134117fdb950227589d6a08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/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-2-tc2/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" "+5f19a76e461cf77b2134117fdb950227589d6a08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+5f19a76e461cf77b2134117fdb950227589d6a08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c1a9db5e27f030dc1ec3b1f77a00ddfcf98e944db537df90a9acaee839f0de1
[INFO] running `Command { std: "docker" "start" "-a" "3c1a9db5e27f030dc1ec3b1f77a00ddfcf98e944db537df90a9acaee839f0de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c1a9db5e27f030dc1ec3b1f77a00ddfcf98e944db537df90a9acaee839f0de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1a9db5e27f030dc1ec3b1f77a00ddfcf98e944db537df90a9acaee839f0de1", kill_on_drop: false }`
[INFO] [stdout] 3c1a9db5e27f030dc1ec3b1f77a00ddfcf98e944db537df90a9acaee839f0de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+5f19a76e461cf77b2134117fdb950227589d6a08" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fdb48b31cc7ee61ec2cca18134ee80db051cb030cf9f1c735f35980940d7ef1
[INFO] running `Command { std: "docker" "start" "-a" "8fdb48b31cc7ee61ec2cca18134ee80db051cb030cf9f1c735f35980940d7ef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking supports-color v1.3.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling target-spec v3.0.1 (/opt/rustwide/workdir/target-spec)
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking nested v0.1.1
[INFO] [stderr]     Checking debug-ignore v1.0.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking cfg-expr v0.15.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking regex-automata v0.3.4
[INFO] [stderr]     Checking btoi v0.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking prodash v25.0.2
[INFO] [stderr]    Compiling time-macros v0.2.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking diffus v0.10.0
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking terminal_size v0.2.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking gix-trace v0.1.3
[INFO] [stderr]     Checking const-oid v0.9.4
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking proptest v1.2.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking nom8 v0.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking toml_datetime v0.5.1
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling curl-sys v0.4.65+curl-8.2.1
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[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/5f19a76e461cf77b2134117fdb950227589d6a08/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=4c4ab71694eda91a -C extra-filename=-4c4ab71694eda91a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d175d2fa84ca884e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-da4952173ba07cbd.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-62f822500da935ba.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8fdb48b31cc7ee61ec2cca18134ee80db051cb030cf9f1c735f35980940d7ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdb48b31cc7ee61ec2cca18134ee80db051cb030cf9f1c735f35980940d7ef1", kill_on_drop: false }`
[INFO] [stdout] 8fdb48b31cc7ee61ec2cca18134ee80db051cb030cf9f1c735f35980940d7ef1