[INFO] fetching crate poki-launcher 0.1.1...
[INFO] documenting poki-launcher-0.1.1 against try#958246c3cfeb0a72f9a664bc7c584741fa1a805b for pr-107291
[INFO] extracting crate poki-launcher 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate poki-launcher 0.1.1 on toolchain 958246c3cfeb0a72f9a664bc7c584741fa1a805b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poki-launcher 0.1.1
[INFO] finished tweaking crates.io crate poki-launcher 0.1.1
[INFO] tweaked toml for crates.io crate poki-launcher 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate poki-launcher 0.1.1 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" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9ac51309b292409e60edc4af217d2df183bd5c49494610d834f78578f62d41c
[INFO] running `Command { std: "docker" "start" "-a" "a9ac51309b292409e60edc4af217d2df183bd5c49494610d834f78578f62d41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9ac51309b292409e60edc4af217d2df183bd5c49494610d834f78578f62d41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ac51309b292409e60edc4af217d2df183bd5c49494610d834f78578f62d41c", kill_on_drop: false }`
[INFO] [stdout] a9ac51309b292409e60edc4af217d2df183bd5c49494610d834f78578f62d41c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c395ad87c66f8123a5d06c7ce0f41e3a61ad8dd46d210b9225f8df296345f6
[INFO] running `Command { std: "docker" "start" "-a" "66c395ad87c66f8123a5d06c7ce0f41e3a61ad8dd46d210b9225f8df296345f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]     Checking glib v0.8.2
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking rmp v0.8.8
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rmp-serde v0.14.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling serde-xml-rs v0.2.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking fuzzy-matcher v0.2.1
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking shellexpand v1.0.0
[INFO] [stderr]     Checking poki-launcher-x11 v0.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[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-1.0.5/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 -C debuginfo=2 --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"' -C metadata=a9a8b65b0d4b081a -C extra-filename=-a9a8b65b0d4b081a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bd6e8e81ab7378d5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5a4cffc873d2b583.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1256a373de2a2211.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" "66c395ad87c66f8123a5d06c7ce0f41e3a61ad8dd46d210b9225f8df296345f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c395ad87c66f8123a5d06c7ce0f41e3a61ad8dd46d210b9225f8df296345f6", kill_on_drop: false }`
[INFO] [stdout] 66c395ad87c66f8123a5d06c7ce0f41e3a61ad8dd46d210b9225f8df296345f6