[INFO] cloning repository https://github.com/fikgol/stcmint-fight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fikgol/stcmint-fight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffikgol%2Fstcmint-fight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffikgol%2Fstcmint-fight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8fa2c0ad8bba38a9872b369931283c47cefe259
[INFO] documenting fikgol/stcmint-fight against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffikgol%2Fstcmint-fight" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fikgol/stcmint-fight on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/fikgol/stcmint-fight
[INFO] finished tweaking git repo https://github.com/fikgol/stcmint-fight
[INFO] tweaked toml for git repo https://github.com/fikgol/stcmint-fight written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/fikgol/stcmint-fight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d55335da8100069c4425bacd474175c475a5422f69f99eb02c977fd5ba72f5a
[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" "1d55335da8100069c4425bacd474175c475a5422f69f99eb02c977fd5ba72f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d55335da8100069c4425bacd474175c475a5422f69f99eb02c977fd5ba72f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d55335da8100069c4425bacd474175c475a5422f69f99eb02c977fd5ba72f5a", kill_on_drop: false }`
[INFO] [stdout] 1d55335da8100069c4425bacd474175c475a5422f69f99eb02c977fd5ba72f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 0dd2f5bea6c497daa494528434853d6c008fcc8f509c187b79e111580d9ce99e
[INFO] running `Command { std: "docker" "start" "-a" "0dd2f5bea6c497daa494528434853d6c008fcc8f509c187b79e111580d9ce99e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking mirai-annotations v1.10.1
[INFO] [stderr]     Checking cpuid-bool v0.2.0
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[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking arrayref v0.3.6
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[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]     Checking ordered-float v2.1.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rust-argon2 v0.8.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking num-bigint v0.4.0
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking nom v6.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking simple-stopwatch v0.1.4
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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-1.0.71/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="fold"' --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=c9adf7077f6bcd7a -C extra-filename=-c9adf7077f6bcd7a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2e06dda840544704.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fc2d62492cd64160.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-12009cf1a2496f6d.rmeta --cap-lints allow --cfg syn_disable_nightly_tests` (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" "0dd2f5bea6c497daa494528434853d6c008fcc8f509c187b79e111580d9ce99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd2f5bea6c497daa494528434853d6c008fcc8f509c187b79e111580d9ce99e", kill_on_drop: false }`
[INFO] [stdout] 0dd2f5bea6c497daa494528434853d6c008fcc8f509c187b79e111580d9ce99e
