[INFO] fetching crate koibumi 0.0.8...
[INFO] checking koibumi-0.0.8 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate koibumi 0.0.8 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate koibumi 0.0.8 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate koibumi 0.0.8
[INFO] finished tweaking crates.io crate koibumi 0.0.8
[INFO] tweaked toml for crates.io crate koibumi 0.0.8 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate koibumi 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-code v2.0.0
[INFO] [stderr]   Downloaded clipboard-win v4.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fd35187c1938583edde936e4cf5d1da0a1e6725fb0f4cba2be2dabfb620b45b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0fd35187c1938583edde936e4cf5d1da0a1e6725fb0f4cba2be2dabfb620b45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd35187c1938583edde936e4cf5d1da0a1e6725fb0f4cba2be2dabfb620b45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd35187c1938583edde936e4cf5d1da0a1e6725fb0f4cba2be2dabfb620b45b", kill_on_drop: false }`
[INFO] [stdout] 0fd35187c1938583edde936e4cf5d1da0a1e6725fb0f4cba2be2dabfb620b45b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c6e62f081079f04ab243dd6120969b37a7134784d912885a57d96068cf6198
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37c6e62f081079f04ab243dd6120969b37a7134784d912885a57d96068cf6198", 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] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling fastrand v1.3.5
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking koibumi-socks-core v0.0.1
[INFO] [stderr]     Checking iced_core v0.2.1
[INFO] [stderr]    Compiling glam v0.8.7
[INFO] [stderr]     Checking svg_fmt v0.2.1
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking koibumi-base32 v0.0.1
[INFO] [stderr]     Checking async-mutex v1.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking iced_style v0.1.0
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking block-modes v0.5.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking atoi v0.3.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.8
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=dfb13c9dc7134ff6 -C extra-filename=-dfb13c9dc7134ff6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ab33b97f38e6e831.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-476d26c939207289.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-e62bdf8dd5704851.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "37c6e62f081079f04ab243dd6120969b37a7134784d912885a57d96068cf6198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c6e62f081079f04ab243dd6120969b37a7134784d912885a57d96068cf6198", kill_on_drop: false }`
[INFO] [stdout] 37c6e62f081079f04ab243dd6120969b37a7134784d912885a57d96068cf6198