[INFO] fetching crate reverseproxy 0.3.0...
[INFO] building reverseproxy-0.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate reverseproxy 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate reverseproxy 0.3.0
[INFO] finished tweaking crates.io crate reverseproxy 0.3.0
[INFO] tweaked toml for crates.io crate reverseproxy 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reverseproxy 0.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate reverseproxy 0.3.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a201dc8f4f59bbc4266c7f72dbfa33e976b2321c2a45363cc394310bc5c6a9dd
[INFO] running `Command { std: "docker" "start" "-a" "a201dc8f4f59bbc4266c7f72dbfa33e976b2321c2a45363cc394310bc5c6a9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a201dc8f4f59bbc4266c7f72dbfa33e976b2321c2a45363cc394310bc5c6a9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a201dc8f4f59bbc4266c7f72dbfa33e976b2321c2a45363cc394310bc5c6a9dd", kill_on_drop: false }`
[INFO] [stdout] a201dc8f4f59bbc4266c7f72dbfa33e976b2321c2a45363cc394310bc5c6a9dd
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61b25830726868b0df6da0e8e7d84faeb46751d26d1e1920b451b7f4c1ec4fc6
[INFO] running `Command { std: "docker" "start" "-a" "61b25830726868b0df6da0e8e7d84faeb46751d26d1e1920b451b7f4c1ec4fc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling const-oid v0.9.5
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling memchr v2.6.2
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling object v0.32.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr] error: could not compile `cc` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.0.83/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="jobserver"' --cfg 'feature="parallel"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("jobserver", "parallel"))' -C metadata=ed4752df92e369c0 -C extra-filename=-924e29d4969f0ab3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-3b6fe816808d2a56.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-87ba8c2d9747b2c7.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" "61b25830726868b0df6da0e8e7d84faeb46751d26d1e1920b451b7f4c1ec4fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b25830726868b0df6da0e8e7d84faeb46751d26d1e1920b451b7f4c1ec4fc6", kill_on_drop: false }`
[INFO] [stdout] 61b25830726868b0df6da0e8e7d84faeb46751d26d1e1920b451b7f4c1ec4fc6