[INFO] fetching crate printnanny-nats-client 0.33.1...
[INFO] checking printnanny-nats-client-0.33.1 against master#aec4741d42e10673e7d5fe0f1c96d407801884e8 for pr-116891
[INFO] extracting crate printnanny-nats-client 0.33.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate printnanny-nats-client 0.33.1 on toolchain aec4741d42e10673e7d5fe0f1c96d407801884e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate printnanny-nats-client 0.33.1
[INFO] finished tweaking crates.io crate printnanny-nats-client 0.33.1
[INFO] tweaked toml for crates.io crate printnanny-nats-client 0.33.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f335036c547f964c56b953a4ebd0b07154095158dcd89d0efe47ecacbbe0910
[INFO] running `Command { std: "docker" "start" "-a" "0f335036c547f964c56b953a4ebd0b07154095158dcd89d0efe47ecacbbe0910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f335036c547f964c56b953a4ebd0b07154095158dcd89d0efe47ecacbbe0910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f335036c547f964c56b953a4ebd0b07154095158dcd89d0efe47ecacbbe0910", kill_on_drop: false }`
[INFO] [stdout] 0f335036c547f964c56b953a4ebd0b07154095158dcd89d0efe47ecacbbe0910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+aec4741d42e10673e7d5fe0f1c96d407801884e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d06a225bc8534d578b9d3bafa715711a8018a35e5955091b8da96a2a92f95ed
[INFO] running `Command { std: "docker" "start" "-a" "9d06a225bc8534d578b9d3bafa715711a8018a35e5955091b8da96a2a92f95ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling enumflags2_derive v0.7.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling cfg-expr v0.15.5
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]    Compiling yansi v1.0.0-rc.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking enumflags2 v0.7.8
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]     Checking der v0.4.5
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]     Checking async-broadcast v0.5.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling async-recursion v1.0.5
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[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/aec4741d42e10673e7d5fe0f1c96d407801884e8/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=ad25035fd0fa1e28 -C extra-filename=-ad25035fd0fa1e28 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-73ed9049f17b3685.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5de6a6c0f5debac9.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" "9d06a225bc8534d578b9d3bafa715711a8018a35e5955091b8da96a2a92f95ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d06a225bc8534d578b9d3bafa715711a8018a35e5955091b8da96a2a92f95ed", kill_on_drop: false }`
[INFO] [stdout] 9d06a225bc8534d578b9d3bafa715711a8018a35e5955091b8da96a2a92f95ed