[INFO] cloning repository https://github.com/arctic-alpaca/plotters_backend_iced
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arctic-alpaca/plotters_backend_iced" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farctic-alpaca%2Fplotters_backend_iced", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farctic-alpaca%2Fplotters_backend_iced'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0753bdd501a19391807138066378b31d0c722a5e
[INFO] testing arctic-alpaca/plotters_backend_iced against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farctic-alpaca%2Fplotters_backend_iced" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arctic-alpaca/plotters_backend_iced on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arctic-alpaca/plotters_backend_iced
[INFO] finished tweaking git repo https://github.com/arctic-alpaca/plotters_backend_iced
[INFO] tweaked toml for git repo https://github.com/arctic-alpaca/plotters_backend_iced written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/arctic-alpaca/plotters_backend_iced already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded font-kit v0.6.0
[INFO] [stderr]   Downloaded dwrote v0.10.0
[INFO] [stderr]   Downloaded guillotiere v0.5.2
[INFO] [stderr]   Downloaded str-buf v1.0.2
[INFO] [stderr]   Downloaded smithay-clipboard v0.5.2
[INFO] [stderr]   Downloaded glam v0.9.4
[INFO] [stderr]   Downloaded xcursor v0.3.2
[INFO] [stderr]   Downloaded error-code v2.0.1
[INFO] [stderr]   Downloaded clipboard_wayland v0.1.1
[INFO] [stderr]   Downloaded window_clipboard v0.1.2
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e79f79785131d6f8d41e1706fed5114c200f3cc1ba84a84171f110f22f81c254
[INFO] running `Command { std: "docker" "start" "-a" "e79f79785131d6f8d41e1706fed5114c200f3cc1ba84a84171f110f22f81c254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e79f79785131d6f8d41e1706fed5114c200f3cc1ba84a84171f110f22f81c254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79f79785131d6f8d41e1706fed5114c200f3cc1ba84a84171f110f22f81c254", kill_on_drop: false }`
[INFO] [stdout] e79f79785131d6f8d41e1706fed5114c200f3cc1ba84a84171f110f22f81c254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e999436e9b93c98ad00c6428878d77c69fad37f74951f725f7b5f2e89409ba
[INFO] running `Command { std: "docker" "start" "-a" "27e999436e9b93c98ad00c6428878d77c69fad37f74951f725f7b5f2e89409ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling ttf-parser v0.8.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.3
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling glam v0.9.4
[INFO] [stderr]    Compiling iced_core v0.2.1 (/opt/rustwide/workdir/iced/core)
[INFO] [stderr]    Compiling inplace_it v0.3.2
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling svg_fmt v0.4.1
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling wgpu-types v0.6.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr] error: could not compile `proc-macro-nested`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-nested-0.1.6/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=52f2a2f14065bb5b -C extra-filename=-52f2a2f14065bb5b --out-dir /opt/rustwide/target/debug/build/proc-macro-nested-52f2a2f14065bb5b -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "27e999436e9b93c98ad00c6428878d77c69fad37f74951f725f7b5f2e89409ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e999436e9b93c98ad00c6428878d77c69fad37f74951f725f7b5f2e89409ba", kill_on_drop: false }`
[INFO] [stdout] 27e999436e9b93c98ad00c6428878d77c69fad37f74951f725f7b5f2e89409ba