[INFO] cloning repository https://github.com/redirectdog/dalmatian
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redirectdog/dalmatian" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredirectdog%2Fdalmatian", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredirectdog%2Fdalmatian'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 658b8bd6f1124de348406427f0e038968f9fedd9
[INFO] building redirectdog/dalmatian against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredirectdog%2Fdalmatian" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/redirectdog/dalmatian
[INFO] finished tweaking git repo https://github.com/redirectdog/dalmatian
[INFO] tweaked toml for git repo https://github.com/redirectdog/dalmatian written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/redirectdog/dalmatian on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/redirectdog/dalmatian 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8edfe3b99b36b798f7bed9a2958e71bb09ed2745677e65eaaa25ea8b826d65e
[INFO] running `Command { std: "docker" "start" "-a" "a8edfe3b99b36b798f7bed9a2958e71bb09ed2745677e65eaaa25ea8b826d65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8edfe3b99b36b798f7bed9a2958e71bb09ed2745677e65eaaa25ea8b826d65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8edfe3b99b36b798f7bed9a2958e71bb09ed2745677e65eaaa25ea8b826d65e", kill_on_drop: false }`
[INFO] [stdout] a8edfe3b99b36b798f7bed9a2958e71bb09ed2745677e65eaaa25ea8b826d65e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef3e74e00d5830becd30919bf866f30ab069d78562b8c81faba461160278ab0
[INFO] running `Command { std: "docker" "start" "-a" "bef3e74e00d5830becd30919bf866f30ab069d78562b8c81faba461160278ab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling rent_to_own v0.1.0
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling bb8 v0.3.1
[INFO] [stderr]    Compiling blowfish v0.9.1
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[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/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name syn --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-0.15.44/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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "visit", "visit-mut"))' -C metadata=34875df2d5ff3ede -C extra-filename=-df3dd794a40a139d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a31d07f6233458cb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ed4b39275464f609.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-c15504178e575201.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] running `Command { std: "docker" "inspect" "bef3e74e00d5830becd30919bf866f30ab069d78562b8c81faba461160278ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef3e74e00d5830becd30919bf866f30ab069d78562b8c81faba461160278ab0", kill_on_drop: false }`
[INFO] [stdout] bef3e74e00d5830becd30919bf866f30ab069d78562b8c81faba461160278ab0