[INFO] cloning repository https://github.com/Headwiki/hub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Headwiki/hub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeadwiki%2Fhub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeadwiki%2Fhub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 333568af0158d4a3fc4f4c0f3c6576764b8a5c72
[INFO] checking Headwiki/hub against try#279ba2cff36a3029611d32ee1b5c82559c565f69 for pr-87316
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeadwiki%2Fhub" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Headwiki/hub on toolchain 279ba2cff36a3029611d32ee1b5c82559c565f69
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Headwiki/hub
[INFO] finished tweaking git repo https://github.com/Headwiki/hub
[INFO] tweaked toml for git repo https://github.com/Headwiki/hub written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Headwiki/hub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.9.4
[INFO] [stderr]   Downloaded cpufeatures v0.1.1
[INFO] [stderr]   Downloaded config v0.11.0
[INFO] [stderr]   Downloaded serde-hjson v0.9.1
[INFO] [stderr]   Downloaded actix-web v4.0.0-beta.6
[INFO] [stderr]   Downloaded sqlx-macros v0.5.2
[INFO] [stderr]   Downloaded actix-http v3.0.0-beta.6
[INFO] [stderr]   Downloaded sqlx-core v0.5.2
[INFO] [stderr]   Downloaded tokio-stream v0.1.5
[INFO] [stderr]   Downloaded sqlx v0.5.2
[INFO] [stderr]   Downloaded hashlink v0.6.0
[INFO] [stderr]   Downloaded sha-1 v0.9.5
[INFO] [stderr]   Downloaded sqlx-rt v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] edc11d08a9f2c898ddf404d9c0489568e90fcec7a2770a4bb8eff85a0e01490c
[INFO] running `Command { std: "docker" "start" "-a" "edc11d08a9f2c898ddf404d9c0489568e90fcec7a2770a4bb8eff85a0e01490c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edc11d08a9f2c898ddf404d9c0489568e90fcec7a2770a4bb8eff85a0e01490c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc11d08a9f2c898ddf404d9c0489568e90fcec7a2770a4bb8eff85a0e01490c", kill_on_drop: false }`
[INFO] [stdout] edc11d08a9f2c898ddf404d9c0489568e90fcec7a2770a4bb8eff85a0e01490c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+279ba2cff36a3029611d32ee1b5c82559c565f69" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 748eb9b5a58943a471f6415758e966c00aa7b02e5c9ed94e44dc2bb4bc18b8b9
[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" "748eb9b5a58943a471f6415758e966c00aa7b02e5c9ed94e44dc2bb4bc18b8b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling cpufeatures v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking actix-utils v3.0.0
[INFO] [stderr]     Checking actix-service v2.0.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking sha-1 v0.9.5
[INFO] [stderr]     Checking sha2 v0.9.4
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking atoi v0.4.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking chrono v0.4.19
[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-1.0.72/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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"' --cfg 'feature="visit-mut"' -C metadata=81c0d72343730470 -C extra-filename=-81c0d72343730470 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-23608f24c3a1574e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6d7a5e7a3e5f505c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-38987aa89d2b0d41.rmeta --cap-lints allow --cap-lints=forbid` (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" "748eb9b5a58943a471f6415758e966c00aa7b02e5c9ed94e44dc2bb4bc18b8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748eb9b5a58943a471f6415758e966c00aa7b02e5c9ed94e44dc2bb4bc18b8b9", kill_on_drop: false }`
[INFO] [stdout] 748eb9b5a58943a471f6415758e966c00aa7b02e5c9ed94e44dc2bb4bc18b8b9