[INFO] cloning repository https://github.com/seniv/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seniv/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseniv%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseniv%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 626213f8faa67f9425ffad8cac11eac5455f99f4
[INFO] checking seniv/hello-rust against try#18f0df251aa25bd85bb3d295ad1bd925a64b1ffc for pr-94063
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseniv%2Fhello-rust" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seniv/hello-rust on toolchain 18f0df251aa25bd85bb3d295ad1bd925a64b1ffc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seniv/hello-rust
[INFO] finished tweaking git repo https://github.com/seniv/hello-rust
[INFO] tweaked toml for git repo https://github.com/seniv/hello-rust written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/seniv/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e5b27538323dbdad862dcce13a2a0783836ab4f9006433cbac245620aef74fd
[INFO] running `Command { std: "docker" "start" "-a" "1e5b27538323dbdad862dcce13a2a0783836ab4f9006433cbac245620aef74fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e5b27538323dbdad862dcce13a2a0783836ab4f9006433cbac245620aef74fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5b27538323dbdad862dcce13a2a0783836ab4f9006433cbac245620aef74fd", kill_on_drop: false }`
[INFO] [stdout] 1e5b27538323dbdad862dcce13a2a0783836ab4f9006433cbac245620aef74fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80d6eb83916e0976c54753d9274658c9af539a5a2e94129c095cb12d58087bc6
[INFO] running `Command { std: "docker" "start" "-a" "80d6eb83916e0976c54753d9274658c9af539a5a2e94129c095cb12d58087bc6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]    Compiling v_escape v0.3.2
[INFO] [stderr]    Compiling v_htmlescape v0.3.2
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]    Compiling actix-web v0.7.18
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling nom v4.2.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.29/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=2 --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"' -C metadata=5a1bc121c2b73588 -C extra-filename=-5a1bc121c2b73588 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d586d2e93f3ede76.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1a69ecb534aa712c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_use_thread_id --cfg syn_can_call_macro_by_path` (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" "80d6eb83916e0976c54753d9274658c9af539a5a2e94129c095cb12d58087bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d6eb83916e0976c54753d9274658c9af539a5a2e94129c095cb12d58087bc6", kill_on_drop: false }`
[INFO] [stdout] 80d6eb83916e0976c54753d9274658c9af539a5a2e94129c095cb12d58087bc6