[INFO] cloning repository https://github.com/Eraden/rider
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eraden/rider" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEraden%2Frider", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEraden%2Frider'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c01076cc1c31c5d47d0f210069cf497136ad9e5
[INFO] testing Eraden/rider against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEraden%2Frider" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eraden/rider on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eraden/rider
[INFO] finished tweaking git repo https://github.com/Eraden/rider
[INFO] tweaked toml for git repo https://github.com/Eraden/rider written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/Eraden/rider already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded redfa v0.0.2
[INFO] [stderr]   Downloaded lalr v0.0.2
[INFO] [stderr]   Downloaded plex v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2947e16078133b43fb70fd79a7eadfbc6115a28c504b7f8d7a2d3924da1a953f
[INFO] running `Command { std: "docker" "start" "-a" "2947e16078133b43fb70fd79a7eadfbc6115a28c504b7f8d7a2d3924da1a953f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2947e16078133b43fb70fd79a7eadfbc6115a28c504b7f8d7a2d3924da1a953f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2947e16078133b43fb70fd79a7eadfbc6115a28c504b7f8d7a2d3924da1a953f", kill_on_drop: false }`
[INFO] [stdout] 2947e16078133b43fb70fd79a7eadfbc6115a28c504b7f8d7a2d3924da1a953f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 037bc57c841309e868817bb30e1b88448920a08fca2dd2e244c04fe453892b92
[INFO] running `Command { std: "docker" "start" "-a" "037bc57c841309e868817bb30e1b88448920a08fca2dd2e244c04fe453892b92", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling c_vec v1.3.2
[INFO] [stderr]    Compiling lalr v0.0.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling redfa v0.0.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[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-1.0.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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"' -C metadata=45731cc160fb84f2 -C extra-filename=-45731cc160fb84f2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f749ead4c488b32b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9e4f06421d6e6993.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1256a373de2a2211.rmeta --cap-lints allow --cap-lints=forbid` (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" "037bc57c841309e868817bb30e1b88448920a08fca2dd2e244c04fe453892b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037bc57c841309e868817bb30e1b88448920a08fca2dd2e244c04fe453892b92", kill_on_drop: false }`
[INFO] [stdout] 037bc57c841309e868817bb30e1b88448920a08fca2dd2e244c04fe453892b92