[INFO] cloning repository https://github.com/Keats/gutenberg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Keats/gutenberg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeats%2Fgutenberg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeats%2Fgutenberg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d979bfd4e31d4e3c3951c8ac52f7d9919ac1320
[INFO] testing Keats/gutenberg against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeats%2Fgutenberg" "/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/Keats/gutenberg on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Keats/gutenberg
[INFO] finished tweaking git repo https://github.com/Keats/gutenberg
[INFO] tweaked toml for git repo https://github.com/Keats/gutenberg written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Keats/gutenberg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] e70cdbb870de85a99631e76fadf6f98f5abc8391170b52d80b519bd36814f2c0
[INFO] running `Command { std: "docker" "start" "-a" "e70cdbb870de85a99631e76fadf6f98f5abc8391170b52d80b519bd36814f2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e70cdbb870de85a99631e76fadf6f98f5abc8391170b52d80b519bd36814f2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70cdbb870de85a99631e76fadf6f98f5abc8391170b52d80b519bd36814f2c0", kill_on_drop: false }`
[INFO] [stdout] e70cdbb870de85a99631e76fadf6f98f5abc8391170b52d80b519bd36814f2c0
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] a9cfa7dcec00c4b2a364d824a5d8913dca3885e8cbe17f7d00c3759dfe537735
[INFO] running `Command { std: "docker" "start" "-a" "a9cfa7dcec00c4b2a364d824a5d8913dca3885e8cbe17f7d00c3759dfe537735", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling num_threads v0.1.2
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tinystr v0.3.4
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling any_ascii v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling relative-path v1.6.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lexical-sort v0.3.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling open v2.0.2
[INFO] [stderr]    Compiling roxmltree v0.13.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling tendril v0.4.2
[INFO] [stderr]    Compiling unic-langid v0.9.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling time v0.3.6
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling socket2 v0.4.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling minify-html v0.6.10
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling sass-sys v0.4.22
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.86/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=0 --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"' -C metadata=d539aa8aef0a73f3 -C extra-filename=-d539aa8aef0a73f3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a96df92df46aef33.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-43c2ce611f0ecf2c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-92f6f069fa386dad.rmeta --cap-lints allow --cap-lints=warn --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" "a9cfa7dcec00c4b2a364d824a5d8913dca3885e8cbe17f7d00c3759dfe537735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cfa7dcec00c4b2a364d824a5d8913dca3885e8cbe17f7d00c3759dfe537735", kill_on_drop: false }`
[INFO] [stdout] a9cfa7dcec00c4b2a364d824a5d8913dca3885e8cbe17f7d00c3759dfe537735