[INFO] cloning repository https://github.com/pcwizz/async-fuzzing-playbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pcwizz/async-fuzzing-playbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcwizz%2Fasync-fuzzing-playbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcwizz%2Fasync-fuzzing-playbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d625ce5f2468133b64e8507f895ef249fc6f8d8f
[INFO] checking pcwizz/async-fuzzing-playbox against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpcwizz%2Fasync-fuzzing-playbox" "/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/pcwizz/async-fuzzing-playbox on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pcwizz/async-fuzzing-playbox
[INFO] finished tweaking git repo https://github.com/pcwizz/async-fuzzing-playbox
[INFO] tweaked toml for git repo https://github.com/pcwizz/async-fuzzing-playbox written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pcwizz/async-fuzzing-playbox 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-7-tc1/source/fuzz/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] [stderr] warning: /workspace/builds/worker-7-tc1/source/fuzz/Cargo.toml: unused manifest key: toolchain
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded afl v0.15.15
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a9d46ad6bd83f0c84233a6a8a8849cf411686f68c57646fafc80f74f6ddb27e
[INFO] running `Command { std: "docker" "start" "-a" "5a9d46ad6bd83f0c84233a6a8a8849cf411686f68c57646fafc80f74f6ddb27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a9d46ad6bd83f0c84233a6a8a8849cf411686f68c57646fafc80f74f6ddb27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9d46ad6bd83f0c84233a6a8a8849cf411686f68c57646fafc80f74f6ddb27e", kill_on_drop: false }`
[INFO] [stdout] 5a9d46ad6bd83f0c84233a6a8a8849cf411686f68c57646fafc80f74f6ddb27e
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea24737f578fcf518151be32c58d337ffcfe8d2d5eb88a9248aa8b4d16a1acd
[INFO] running `Command { std: "docker" "start" "-a" "aea24737f578fcf518151be32c58d337ffcfe8d2d5eb88a9248aa8b4d16a1acd", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/fuzz/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: /opt/rustwide/workdir/fuzz/Cargo.toml: unused manifest key: toolchain
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]    Compiling afl v0.15.15
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking rustc_version v0.4.1
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.9
[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/75530e9f72a1990ed2305e16fd51d02f47048f12/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.99/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="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=515fa7089ee001eb -C extra-filename=-533d5a88c628e332 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-17f2eeaa33d456c5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a83492ab4bfb8759.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "aea24737f578fcf518151be32c58d337ffcfe8d2d5eb88a9248aa8b4d16a1acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea24737f578fcf518151be32c58d337ffcfe8d2d5eb88a9248aa8b4d16a1acd", kill_on_drop: false }`
[INFO] [stdout] aea24737f578fcf518151be32c58d337ffcfe8d2d5eb88a9248aa8b4d16a1acd