[INFO] cloning repository https://github.com/CroxxN/pulsar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CroxxN/pulsar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCroxxN%2Fpulsar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCroxxN%2Fpulsar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e44a6292a57e6d491d1bbcaeedb0ff41df7b7bc
[INFO] checking CroxxN/pulsar against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCroxxN%2Fpulsar" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CroxxN/pulsar on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CroxxN/pulsar
[INFO] finished tweaking git repo https://github.com/CroxxN/pulsar
[INFO] tweaked toml for git repo https://github.com/CroxxN/pulsar written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CroxxN/pulsar 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "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 windows-implement v0.42.0
[INFO] [stderr]   Downloaded glutin_glx_sys v0.3.0
[INFO] [stderr]   Downloaded serde v1.0.151
[INFO] [stderr]   Downloaded sctk-adwaita v0.4.3
[INFO] [stderr]   Downloaded block-sys v0.1.0-beta.2
[INFO] [stderr]   Downloaded accesskit_macos v0.3.0
[INFO] [stderr]   Downloaded accesskit_winit v0.7.2
[INFO] [stderr]   Downloaded ecolor v0.20.0
[INFO] [stderr]   Downloaded objc-sys v0.2.0-beta.3
[INFO] [stderr]   Downloaded objc2-encode v2.0.0-pre.3
[INFO] [stderr]   Downloaded accesskit_windows v0.10.2
[INFO] [stderr]   Downloaded webbrowser v0.8.2
[INFO] [stderr]   Downloaded glutin v0.30.3
[INFO] [stderr]   Downloaded objc2 v0.3.0-beta.4
[INFO] [stderr]   Downloaded kurbo v0.8.3
[INFO] [stderr]   Downloaded serde_derive v1.0.151
[INFO] [stderr]   Downloaded libpulse-binding v2.26.0
[INFO] [stderr]   Downloaded crossfont v0.5.1
[INFO] [stderr]   Downloaded calloop v0.10.4
[INFO] [stderr]   Downloaded libpulse-sys v1.19.3
[INFO] [stderr]   Downloaded egui_glow v0.20.1
[INFO] [stderr]   Downloaded egui v0.20.1
[INFO] [stderr]   Downloaded eframe v0.20.1
[INFO] [stderr]   Downloaded accesskit_consumer v0.11.0
[INFO] [stderr]   Downloaded accesskit v0.8.1
[INFO] [stderr]   Downloaded emath v0.20.0
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.3.0
[INFO] [stderr]   Downloaded block2 v0.2.0-alpha.7
[INFO] [stderr]   Downloaded egui-winit v0.20.1
[INFO] [stderr]   Downloaded glutin_egl_sys v0.3.1
[INFO] [stderr]   Downloaded epaint v0.20.0
[INFO] [stderr]   Downloaded windows v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84e00e057ffe163162bef6e7318b73d24156a4a36c36d5662c183d891a06d411
[INFO] running `Command { std: "docker" "start" "-a" "84e00e057ffe163162bef6e7318b73d24156a4a36c36d5662c183d891a06d411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84e00e057ffe163162bef6e7318b73d24156a4a36c36d5662c183d891a06d411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e00e057ffe163162bef6e7318b73d24156a4a36c36d5662c183d891a06d411", kill_on_drop: false }`
[INFO] [stdout] 84e00e057ffe163162bef6e7318b73d24156a4a36c36d5662c183d891a06d411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6afa512daf8db882d8d41c0d6cb7aed7fd93b1cfff98dc8af191f7fef6db1c7d
[INFO] running `Command { std: "docker" "start" "-a" "6afa512daf8db882d8d41c0d6cb7aed7fd93b1cfff98dc8af191f7fef6db1c7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling x11-dl v2.20.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling crossfont v0.5.1
[INFO] [stderr]    Compiling ahash v0.8.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking ttf-parser v0.17.1
[INFO] [stderr]     Checking kurbo v0.8.3
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6afa512daf8db882d8d41c0d6cb7aed7fd93b1cfff98dc8af191f7fef6db1c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6afa512daf8db882d8d41c0d6cb7aed7fd93b1cfff98dc8af191f7fef6db1c7d", kill_on_drop: false }`
[INFO] [stdout] 6afa512daf8db882d8d41c0d6cb7aed7fd93b1cfff98dc8af191f7fef6db1c7d
