[INFO] cloning repository https://github.com/malefooo/unit-office-async-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malefooo/unit-office-async-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalefooo%2Funit-office-async-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalefooo%2Funit-office-async-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 038f8a639e61faae6dbfbcc0d7f407840095a2ba
[INFO] checking malefooo/unit-office-async-rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalefooo%2Funit-office-async-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malefooo/unit-office-async-rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/malefooo/unit-office-async-rust
[INFO] finished tweaking git repo https://github.com/malefooo/unit-office-async-rust
[INFO] tweaked toml for git repo https://github.com/malefooo/unit-office-async-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/malefooo/unit-office-async-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-rustls v0.13.1
[INFO] [stderr]   Downloaded serde_with_macros v1.2.2
[INFO] [stderr]   Downloaded rustversion v1.0.3
[INFO] [stderr]   Downloaded serde_with v1.5.1
[INFO] [stderr]   Downloaded futures-intrusive v0.3.1
[INFO] [stderr]   Downloaded polling v2.0.1
[INFO] [stderr]   Downloaded futures-lite v1.11.1
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] [stderr]   Downloaded async-io v1.1.10
[INFO] [stderr]   Downloaded bson v1.1.0
[INFO] [stderr]   Downloaded os_info v2.0.8
[INFO] [stderr]   Downloaded typed-builder v0.3.0
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[INFO] [stderr]   Downloaded serde-value v0.6.0
[INFO] [stderr]   Downloaded actix-web-actors v2.0.0
[INFO] [stderr]   Downloaded async-global-executor v1.3.0
[INFO] [stderr]   Downloaded wepoll-sys v3.0.0
[INFO] [stderr]   Downloaded mongodb v1.1.1
[INFO] [stderr]   Downloaded log4rs v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97c7048e20e99c49e68221e73fc60f056bf854c63dab4173176787840ff556fd
[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" "97c7048e20e99c49e68221e73fc60f056bf854c63dab4173176787840ff556fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c7048e20e99c49e68221e73fc60f056bf854c63dab4173176787840ff556fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c7048e20e99c49e68221e73fc60f056bf854c63dab4173176787840ff556fd", kill_on_drop: false }`
[INFO] [stdout] 97c7048e20e99c49e68221e73fc60f056bf854c63dab4173176787840ff556fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb965fe520ee11a7dfcdde3b746fa5205378377ea44091117dc26a2a7c007f86
[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" "bb965fe520ee11a7dfcdde3b746fa5205378377ea44091117dc26a2a7c007f86", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking once_cell v1.4.1
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[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking same-file v1.0.6
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[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking termcolor v1.1.0
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[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
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[INFO] [stderr]     Checking humantime v1.3.0
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking block-padding v0.1.5
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[INFO] [stderr]     Checking async-channel v1.5.1
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[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking addr2line v0.13.0
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[INFO] [stderr]     Checking hmac v0.7.1
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[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[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 --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"' -C metadata=bc380f53b1af31e5 -C extra-filename=-bc380f53b1af31e5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8115c969f6e9e75a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c8c4589b60ce3921.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.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" "bb965fe520ee11a7dfcdde3b746fa5205378377ea44091117dc26a2a7c007f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb965fe520ee11a7dfcdde3b746fa5205378377ea44091117dc26a2a7c007f86", kill_on_drop: false }`
[INFO] [stdout] bb965fe520ee11a7dfcdde3b746fa5205378377ea44091117dc26a2a7c007f86