[INFO] cloning repository https://github.com/dustlang/blog.rust-lang.org
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustlang/blog.rust-lang.org" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fblog.rust-lang.org", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fblog.rust-lang.org'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ceb4b057bef4caa864d99aa708ef9f3ea66857f
[INFO] checking dustlang/blog.rust-lang.org against master#b1719530f44e3c8ec903f76020a52bd8764d5d10 for pr-108691
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fblog.rust-lang.org" "/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/dustlang/blog.rust-lang.org on toolchain b1719530f44e3c8ec903f76020a52bd8764d5d10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1719530f44e3c8ec903f76020a52bd8764d5d10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dustlang/blog.rust-lang.org
[INFO] finished tweaking git repo https://github.com/dustlang/blog.rust-lang.org
[INFO] tweaked toml for git repo https://github.com/dustlang/blog.rust-lang.org written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dustlang/blog.rust-lang.org 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" "+b1719530f44e3c8ec903f76020a52bd8764d5d10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded comrak v0.8.2
[INFO] [stderr]   Downloaded handlebars v3.4.0
[INFO] [stderr]   Downloaded sass-rs v0.2.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.9
[INFO] [stderr]   Downloaded sass-sys v0.4.18
[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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+b1719530f44e3c8ec903f76020a52bd8764d5d10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 463d6924a9a57d91506f283f3a80acfee6ca66fe867d3ae22dd04113ec7b713e
[INFO] running `Command { std: "docker" "start" "-a" "463d6924a9a57d91506f283f3a80acfee6ca66fe867d3ae22dd04113ec7b713e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "463d6924a9a57d91506f283f3a80acfee6ca66fe867d3ae22dd04113ec7b713e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463d6924a9a57d91506f283f3a80acfee6ca66fe867d3ae22dd04113ec7b713e", kill_on_drop: false }`
[INFO] [stdout] 463d6924a9a57d91506f283f3a80acfee6ca66fe867d3ae22dd04113ec7b713e
[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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+b1719530f44e3c8ec903f76020a52bd8764d5d10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6fadc76fd5546e70c1c2763650768dbdd318390dc207e6cd9aaa6043f53e9ec
[INFO] running `Command { std: "docker" "start" "-a" "c6fadc76fd5546e70c1c2763650768dbdd318390dc207e6cd9aaa6043f53e9ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling sass-sys v0.4.18
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking handlebars v3.4.0
[INFO] [stderr]     Checking comrak v0.8.2
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.116/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' -C metadata=3cfed3cf70ce0bb8 -C extra-filename=-3cfed3cf70ce0bb8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4f7b56415521883.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-cd74f773ee0d5701.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-9065aee363164c32.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c6fadc76fd5546e70c1c2763650768dbdd318390dc207e6cd9aaa6043f53e9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fadc76fd5546e70c1c2763650768dbdd318390dc207e6cd9aaa6043f53e9ec", kill_on_drop: false }`
[INFO] [stdout] c6fadc76fd5546e70c1c2763650768dbdd318390dc207e6cd9aaa6043f53e9ec