[INFO] cloning repository https://github.com/dalance/prosafe_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dalance/prosafe_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fprosafe_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fprosafe_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77d946351b991d93329af3c12febddd6391f7262
[INFO] checking dalance/prosafe_exporter against c999cef531ea9059e189e82fe0e82c5daf249bc9 for pr-160904
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fprosafe_exporter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dalance/prosafe_exporter
[INFO] finished tweaking git repo https://github.com/dalance/prosafe_exporter
[INFO] tweaked toml for git repo https://github.com/dalance/prosafe_exporter written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dalance/prosafe_exporter on toolchain c999cef531ea9059e189e82fe0e82c5daf249bc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dalance/prosafe_exporter 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" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.10.0
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded interfaces v0.0.9
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded toml v1.1.6+spec-1.1.0
[INFO] [stderr]   Downloaded rand v0.10.3
[INFO] [stderr]   Downloaded winnow v1.0.0
[INFO] [stderr]   Downloaded syn v3.0.2
[INFO] [stderr]   Downloaded handlebars v3.5.5
[INFO] [stderr]   Downloaded hex-literal v1.1.0
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ca89cb696415fd76ba6c24c976aeb46157c1eab020b70fca967adc8b1873bc3f
[INFO] running `Command { std: "docker" "start" "ca89cb696415fd76ba6c24c976aeb46157c1eab020b70fca967adc8b1873bc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca89cb696415fd76ba6c24c976aeb46157c1eab020b70fca967adc8b1873bc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca89cb696415fd76ba6c24c976aeb46157c1eab020b70fca967adc8b1873bc3f" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca89cb696415fd76ba6c24c976aeb46157c1eab020b70fca967adc8b1873bc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca89cb696415fd76ba6c24c976aeb46157c1eab020b70fca967adc8b1873bc3f" "/opt/rustwide/cargo-home/bin/cargo" "+c999cef531ea9059e189e82fe0e82c5daf249bc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling thiserror v2.0.7
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking litemap v0.7.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling syn v3.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling cc v1.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking winnow v1.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking toml_writer v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]     Checking hex-literal v1.1.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking toml v1.1.6+spec-1.1.0
[INFO] [stderr]     Checking rand v0.10.3
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling synstructure v0.13.1
[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/c999cef531ea9059e189e82fe0e82c5daf249bc9/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=f53e3beb71923e6e -C extra-filename=-1b662dc4d75bc7f2 --out-dir /opt/rustwide/target/debug/build/syn/1b662dc4d75bc7f2/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/442acad4d4e7f208/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/13328ff8d6cc16fd/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/442acad4d4e7f208/out/libproc_macro2-442acad4d4e7f208.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/63a3278dad69ce7b/out/libquote-63a3278dad69ce7b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/13328ff8d6cc16fd/out/libunicode_ident-13328ff8d6cc16fd.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ca89cb696415fd76ba6c24c976aeb46157c1eab020b70fca967adc8b1873bc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca89cb696415fd76ba6c24c976aeb46157c1eab020b70fca967adc8b1873bc3f", kill_on_drop: false }`
[INFO] [stdout] ca89cb696415fd76ba6c24c976aeb46157c1eab020b70fca967adc8b1873bc3f
