[INFO] cloning repository https://github.com/tdaffin/conrod_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tdaffin/conrod_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdaffin%2Fconrod_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdaffin%2Fconrod_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60b4b365004a8cf5c97edfd16f0e866e0bca5e99
[INFO] building tdaffin/conrod_bug against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdaffin%2Fconrod_bug" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tdaffin/conrod_bug on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tdaffin/conrod_bug
[INFO] finished tweaking git repo https://github.com/tdaffin/conrod_bug
[INFO] tweaked toml for git repo https://github.com/tdaffin/conrod_bug written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/tdaffin/conrod_bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.5
[INFO] [stderr]   Downloaded piston v0.42.0
[INFO] [stderr]   Downloaded gleam v0.6.17
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.54.0
[INFO] [stderr]   Downloaded num-integer v0.1.40
[INFO] [stderr]   Downloaded pistoncore-window v0.37.0
[INFO] [stderr]   Downloaded wayland-scanner v0.21.12
[INFO] [stderr]   Downloaded wayland-protocols v0.21.12
[INFO] [stderr]   Downloaded num-iter v0.1.38
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.42.0
[INFO] [stderr]   Downloaded wayland-commons v0.21.12
[INFO] [stderr]   Downloaded rusttype v0.7.6
[INFO] [stderr]   Downloaded wayland-sys v0.21.12
[INFO] [stderr]   Downloaded num-traits v0.2.7
[INFO] [stderr]   Downloaded nix v0.13.0
[INFO] [stderr]   Downloaded piston_window v0.89.0
[INFO] [stderr]   Downloaded wayland-client v0.21.12
[INFO] [stderr]   Downloaded conrod_piston v0.65.0
[INFO] [stderr]   Downloaded instant v0.1.1
[INFO] [stderr]   Downloaded conrod_derive v0.65.0
[INFO] [stderr]   Downloaded conrod_core v0.65.0
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.60.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54f20a9a5ae52559e4ce9411080531e19121bd3b1c7cb92ac7e9e5b40f3b02a8
[INFO] running `Command { std: "docker" "start" "-a" "54f20a9a5ae52559e4ce9411080531e19121bd3b1c7cb92ac7e9e5b40f3b02a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54f20a9a5ae52559e4ce9411080531e19121bd3b1c7cb92ac7e9e5b40f3b02a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f20a9a5ae52559e4ce9411080531e19121bd3b1c7cb92ac7e9e5b40f3b02a8", kill_on_drop: false }`
[INFO] [stdout] 54f20a9a5ae52559e4ce9411080531e19121bd3b1c7cb92ac7e9e5b40f3b02a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c74689318d3a27b94b5b13ab30fb58ce6822357363392bdd690973752e86dd5
[INFO] running `Command { std: "docker" "start" "-a" "2c74689318d3a27b94b5b13ab30fb58ce6822357363392bdd690973752e86dd5", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling instant v0.1.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling inflate v0.4.5
[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 walkdir v2.2.7
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.38
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling png v0.14.1
[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-0.15.34/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=2f2a64e46562ee46 -C extra-filename=-2f2a64e46562ee46 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-74cf65b213176c4b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8ca32e6da51aef88.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_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" "2c74689318d3a27b94b5b13ab30fb58ce6822357363392bdd690973752e86dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c74689318d3a27b94b5b13ab30fb58ce6822357363392bdd690973752e86dd5", kill_on_drop: false }`
[INFO] [stdout] 2c74689318d3a27b94b5b13ab30fb58ce6822357363392bdd690973752e86dd5