[INFO] cloning repository https://github.com/jgeysen/rusty_paint
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgeysen/rusty_paint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgeysen%2Frusty_paint", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgeysen%2Frusty_paint'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ba5b34ab9ca1cc723bb8bdfefccd88301f3ee61
[INFO] checking jgeysen/rusty_paint/6ba5b34ab9ca1cc723bb8bdfefccd88301f3ee61 against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgeysen%2Frusty_paint" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jgeysen/rusty_paint
[INFO] finished tweaking git repo https://github.com/jgeysen/rusty_paint
[INFO] tweaked toml for git repo https://github.com/jgeysen/rusty_paint written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jgeysen/rusty_paint on toolchain ba7e63b63871a429533c189adbfb1d9a6337e000
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jgeysen/rusty_paint 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" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6d35a0ff3a3e31d5098c3f328caffaa05980d96aad2743b0ce4f0d197346bb7
[INFO] running `Command { std: "docker" "start" "-a" "a6d35a0ff3a3e31d5098c3f328caffaa05980d96aad2743b0ce4f0d197346bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d35a0ff3a3e31d5098c3f328caffaa05980d96aad2743b0ce4f0d197346bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d35a0ff3a3e31d5098c3f328caffaa05980d96aad2743b0ce4f0d197346bb7", kill_on_drop: false }`
[INFO] [stdout] a6d35a0ff3a3e31d5098c3f328caffaa05980d96aad2743b0ce4f0d197346bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53490558341abce0729ad41e022700f54c0d1cfb3e5ea03e44e75c335a558df9
[INFO] running `Command { std: "docker" "start" "-a" "53490558341abce0729ad41e022700f54c0d1cfb3e5ea03e44e75c335a558df9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 either v1.8.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling wgpu-core v0.11.3
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking ash v0.33.3+1.2.191
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking wgpu-types v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking weezl v0.1.7
[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" "53490558341abce0729ad41e022700f54c0d1cfb3e5ea03e44e75c335a558df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53490558341abce0729ad41e022700f54c0d1cfb3e5ea03e44e75c335a558df9", kill_on_drop: false }`
[INFO] [stdout] 53490558341abce0729ad41e022700f54c0d1cfb3e5ea03e44e75c335a558df9