[INFO] cloning repository https://github.com/danbruder/vines
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danbruder/vines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fvines", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fvines'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 854532c8991d0f6bf2ed2e1fa0ef408ccdc34e8b
[INFO] testing danbruder/vines against master#67da586efe13aa66eef576ba095e1875ba65fd20 for pr-112849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fvines" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danbruder/vines on toolchain 67da586efe13aa66eef576ba095e1875ba65fd20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danbruder/vines
[INFO] finished tweaking git repo https://github.com/danbruder/vines
[INFO] tweaked toml for git repo https://github.com/danbruder/vines written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/danbruder/vines already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-graphql-value v3.0.29
[INFO] [stderr]   Downloaded crypto-common v0.1.2
[INFO] [stderr]   Downloaded sqlx-rt v0.5.10
[INFO] [stderr]   Downloaded digest v0.10.2
[INFO] [stderr]   Downloaded simple-syrup v0.6.0
[INFO] [stderr]   Downloaded async-graphql-warp v3.0.29
[INFO] [stderr]   Downloaded async-graphql-derive v3.0.29
[INFO] [stderr]   Downloaded flume v0.10.10
[INFO] [stderr]   Downloaded sqlx-macros v0.5.10
[INFO] [stderr]   Downloaded hyper v0.14.17
[INFO] [stderr]   Downloaded sqlx v0.5.10
[INFO] [stderr]   Downloaded sqlx-core v0.5.10
[INFO] [stderr]   Downloaded async-graphql v3.0.29
[INFO] [stderr]   Downloaded tokio v1.16.1
[INFO] [stderr]   Downloaded async-graphql-parser v3.0.29
[INFO] [stderr]   Downloaded multer v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ad04679d14522160041df3db61caa83fdba913e4f4c3682a5bf6a8ad46cadb5
[INFO] running `Command { std: "docker" "start" "-a" "8ad04679d14522160041df3db61caa83fdba913e4f4c3682a5bf6a8ad46cadb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ad04679d14522160041df3db61caa83fdba913e4f4c3682a5bf6a8ad46cadb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad04679d14522160041df3db61caa83fdba913e4f4c3682a5bf6a8ad46cadb5", kill_on_drop: false }`
[INFO] [stdout] 8ad04679d14522160041df3db61caa83fdba913e4f4c3682a5bf6a8ad46cadb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e5af1d4d3a91c7d370e09810d4ba7500d759ce105d1785105dcb8ae9d0810e
[INFO] running `Command { std: "docker" "start" "-a" "f3e5af1d4d3a91c7d370e09810d4ba7500d759ce105d1785105dcb8ae9d0810e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.23.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling tracing v0.1.30
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling digest v0.10.2
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling futures-intrusive v0.4.0
[INFO] [stderr]    Compiling atoi v0.4.0
[INFO] [stderr]    Compiling multer v2.0.2
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hashlink v0.7.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling multipart v0.18.0
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/67da586efe13aa66eef576ba095e1875ba65fd20/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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 --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=267d4935381d9e31 -C extra-filename=-267d4935381d9e31 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-74e84e914292011e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8f9d849f5651dc20.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-afc683de4ca1a6db.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f3e5af1d4d3a91c7d370e09810d4ba7500d759ce105d1785105dcb8ae9d0810e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e5af1d4d3a91c7d370e09810d4ba7500d759ce105d1785105dcb8ae9d0810e", kill_on_drop: false }`
[INFO] [stdout] f3e5af1d4d3a91c7d370e09810d4ba7500d759ce105d1785105dcb8ae9d0810e