[INFO] cloning repository https://github.com/dbosomworth/rust-piston-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbosomworth/rust-piston-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbosomworth%2Frust-piston-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbosomworth%2Frust-piston-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46c09c0c8f0e109ce299ddd6d053eebefa077910
[INFO] building dbosomworth/rust-piston-snake against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbosomworth%2Frust-piston-snake" "/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/dbosomworth/rust-piston-snake
[INFO] finished tweaking git repo https://github.com/dbosomworth/rust-piston-snake
[INFO] tweaked toml for git repo https://github.com/dbosomworth/rust-piston-snake written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dbosomworth/rust-piston-snake on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dbosomworth/rust-piston-snake 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3b6ef07947f8357fc2fcacd438d90688eb646021885f472d52379023228030f
[INFO] running `Command { std: "docker" "start" "-a" "f3b6ef07947f8357fc2fcacd438d90688eb646021885f472d52379023228030f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3b6ef07947f8357fc2fcacd438d90688eb646021885f472d52379023228030f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b6ef07947f8357fc2fcacd438d90688eb646021885f472d52379023228030f", kill_on_drop: false }`
[INFO] [stdout] f3b6ef07947f8357fc2fcacd438d90688eb646021885f472d52379023228030f
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a062bb327afdf3e7b96e3dfdeafdad59176da58d5e4946fcb3c6020c0b48b5a
[INFO] running `Command { std: "docker" "start" "-a" "8a062bb327afdf3e7b96e3dfdeafdad59176da58d5e4946fcb3c6020c0b48b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling piston-graphics_api_version v0.2.0
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling stb_truetype v0.3.0
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rusttype v0.8.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --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=c624afbda8c68cdb -C extra-filename=-2a7afd2d09102477 --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" "8a062bb327afdf3e7b96e3dfdeafdad59176da58d5e4946fcb3c6020c0b48b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a062bb327afdf3e7b96e3dfdeafdad59176da58d5e4946fcb3c6020c0b48b5a", kill_on_drop: false }`
[INFO] [stdout] 8a062bb327afdf3e7b96e3dfdeafdad59176da58d5e4946fcb3c6020c0b48b5a