[INFO] cloning repository https://github.com/mattgathu/blog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattgathu/blog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattgathu%2Fblog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattgathu%2Fblog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 976afe704f7210fdd3856c0055d2910db2a6fa24
[INFO] checking mattgathu/blog against master#d1ac43a9b9a8250d858705b0796dfed6186e18db for pr-107891
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattgathu%2Fblog" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattgathu/blog on toolchain d1ac43a9b9a8250d858705b0796dfed6186e18db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1ac43a9b9a8250d858705b0796dfed6186e18db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattgathu/blog
[INFO] finished tweaking git repo https://github.com/mattgathu/blog
[INFO] tweaked toml for git repo https://github.com/mattgathu/blog written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mattgathu/blog 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" "+d1ac43a9b9a8250d858705b0796dfed6186e18db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.9
[INFO] [stderr]   Downloaded comrak v0.9.0
[INFO] [stderr]   Downloaded sass-sys v0.4.18
[INFO] [stderr]   Downloaded sass-rs v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+d1ac43a9b9a8250d858705b0796dfed6186e18db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62ba836b6da1863a9fcaaaab734e7ff38ae6439ff5c4e027798b73f6326723e8
[INFO] running `Command { std: "docker" "start" "-a" "62ba836b6da1863a9fcaaaab734e7ff38ae6439ff5c4e027798b73f6326723e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62ba836b6da1863a9fcaaaab734e7ff38ae6439ff5c4e027798b73f6326723e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ba836b6da1863a9fcaaaab734e7ff38ae6439ff5c4e027798b73f6326723e8", kill_on_drop: false }`
[INFO] [stdout] 62ba836b6da1863a9fcaaaab734e7ff38ae6439ff5c4e027798b73f6326723e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+d1ac43a9b9a8250d858705b0796dfed6186e18db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 516818dcc39de8cc9b99c8997f33a41e9fed0bf0d97d4117ce2ebeec258546e1
[INFO] running `Command { std: "docker" "start" "-a" "516818dcc39de8cc9b99c8997f33a41e9fed0bf0d97d4117ce2ebeec258546e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]    Compiling sass-sys v0.4.18
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.17/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=5cb1314428c2bb32 -C extra-filename=-5cb1314428c2bb32 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4fd63e1f010801db.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-eb1b94ec47e0fe61.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-2f42578938627a97.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" "516818dcc39de8cc9b99c8997f33a41e9fed0bf0d97d4117ce2ebeec258546e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516818dcc39de8cc9b99c8997f33a41e9fed0bf0d97d4117ce2ebeec258546e1", kill_on_drop: false }`
[INFO] [stdout] 516818dcc39de8cc9b99c8997f33a41e9fed0bf0d97d4117ce2ebeec258546e1