[INFO] cloning repository https://github.com/ToferC/epifront
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ToferC/epifront" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToferC%2Fepifront", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToferC%2Fepifront'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc53516f767ca4ce1db2d05c62a38bc035dee8ab
[INFO] checking ToferC/epifront against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToferC%2Fepifront" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ToferC/epifront
[INFO] finished tweaking git repo https://github.com/ToferC/epifront
[INFO] tweaked toml for git repo https://github.com/ToferC/epifront written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ToferC/epifront on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ToferC/epifront 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e612d43cccab21ffc913f3ac0c098b2a7d9d93780514efc7207f505627a77cd
[INFO] running `Command { std: "docker" "start" "-a" "3e612d43cccab21ffc913f3ac0c098b2a7d9d93780514efc7207f505627a77cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e612d43cccab21ffc913f3ac0c098b2a7d9d93780514efc7207f505627a77cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e612d43cccab21ffc913f3ac0c098b2a7d9d93780514efc7207f505627a77cd", kill_on_drop: false }`
[INFO] [stdout] 3e612d43cccab21ffc913f3ac0c098b2a7d9d93780514efc7207f505627a77cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd647e80f29f43e835eed384942815245fc1132d85b32a89fb54cd358ba0c97e
[INFO] running `Command { std: "docker" "start" "-a" "cd647e80f29f43e835eed384942815245fc1132d85b32a89fb54cd358ba0c97e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking brotli-decompressor v2.3.4
[INFO] [stderr]    Compiling bytestring v1.3.0
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking bstr v1.6.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling path-slash v0.1.5
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]     Checking type-map v0.4.0
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking deunicode v0.4.4
[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/438eb4c1a1c3841523d7f672601e8adbe04cff28/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=62f46c976b669201 -C extra-filename=-82da237450ac0390 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-544f6200401c19e4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-647eba43daed7286.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-35fb19b3987835f7.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" "cd647e80f29f43e835eed384942815245fc1132d85b32a89fb54cd358ba0c97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd647e80f29f43e835eed384942815245fc1132d85b32a89fb54cd358ba0c97e", kill_on_drop: false }`
[INFO] [stdout] cd647e80f29f43e835eed384942815245fc1132d85b32a89fb54cd358ba0c97e