[INFO] cloning repository https://github.com/AetherBreaker/rustexperiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AetherBreaker/rustexperiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAetherBreaker%2Frustexperiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAetherBreaker%2Frustexperiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7246a5c0cc0bda7cc6090a37f8f786097f4ec689
[INFO] checking AetherBreaker/rustexperiment against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAetherBreaker%2Frustexperiment" "/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/AetherBreaker/rustexperiment
[INFO] finished tweaking git repo https://github.com/AetherBreaker/rustexperiment
[INFO] tweaked toml for git repo https://github.com/AetherBreaker/rustexperiment written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AetherBreaker/rustexperiment on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AetherBreaker/rustexperiment 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.1
[INFO] [stderr]   Downloaded bumpalo v3.12.1
[INFO] [stderr]   Downloaded encase_derive_impl v0.3.0
[INFO] [stderr]   Downloaded iced_futures v0.6.0
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded iced_style v0.8.0
[INFO] [stderr]   Downloaded clipboard_macos v0.1.0
[INFO] [stderr]   Downloaded encase_derive v0.3.0
[INFO] [stderr]   Downloaded serde v1.0.161
[INFO] [stderr]   Downloaded encase v0.3.0
[INFO] [stderr]   Downloaded gpu-alloc v0.5.3
[INFO] [stderr]   Downloaded glyph_brush_draw_cache v0.1.5
[INFO] [stderr]   Downloaded widestring v0.5.1
[INFO] [stderr]   Downloaded wgpu_glyph v0.19.0
[INFO] [stderr]   Downloaded iced_native v0.10.3
[INFO] [stderr]   Downloaded iced_graphics v0.8.0
[INFO] [stderr]   Downloaded ttf-parser v0.19.0
[INFO] [stderr]   Downloaded glow v0.12.1
[INFO] [stderr]   Downloaded wgpu v0.15.1
[INFO] [stderr]   Downloaded wgpu-core v0.15.1
[INFO] [stderr]   Downloaded winnow v0.4.6
[INFO] [stderr]   Downloaded png v0.17.8
[INFO] [stderr]   Downloaded wgpu-hal v0.15.4
[INFO] [stderr]   Downloaded wgpu-types v0.15.2
[INFO] [stderr]   Downloaded xml-rs v0.8.5
[INFO] [stderr]   Downloaded glyph_brush v0.7.7
[INFO] [stderr]   Downloaded serde_derive v1.0.161
[INFO] [stderr]   Downloaded calloop v0.10.5
[INFO] [stderr]   Downloaded iced_winit v0.9.1
[INFO] [stderr]   Downloaded iced v0.9.0
[INFO] [stderr]   Downloaded hassle-rs v0.9.0
[INFO] [stderr]   Downloaded ash v0.37.2+1.3.238
[INFO] [stderr]   Downloaded iced_wgpu v0.10.0
[INFO] [stderr]   Downloaded naga v0.11.0
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.6
[INFO] [stderr]   Downloaded iced_core v0.9.0
[INFO] [stderr]   Downloaded clipboard_x11 v0.4.0
[INFO] [stderr]   Downloaded clipboard_wayland v0.2.0
[INFO] [stderr]   Downloaded window_clipboard v0.2.4
[INFO] [stderr]   Downloaded x11rb v0.9.0
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0727a247906f0d5b13c3c881495f0351de45cc87606e60aaa1410aad19ec3b5
[INFO] running `Command { std: "docker" "start" "-a" "f0727a247906f0d5b13c3c881495f0351de45cc87606e60aaa1410aad19ec3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0727a247906f0d5b13c3c881495f0351de45cc87606e60aaa1410aad19ec3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0727a247906f0d5b13c3c881495f0351de45cc87606e60aaa1410aad19ec3b5", kill_on_drop: false }`
[INFO] [stdout] f0727a247906f0d5b13c3c881495f0351de45cc87606e60aaa1410aad19ec3b5
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3fa94b0cadc96ad0f975f1d12ef6cccfab62fc1907c5e91c6a892e9becfae8e
[INFO] running `Command { std: "docker" "start" "-a" "d3fa94b0cadc96ad0f975f1d12ef6cccfab62fc1907c5e91c6a892e9becfae8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling xml-rs v0.8.5
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.161
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking nom v7.1.3
[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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking memoffset v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling palette v0.6.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[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" "d3fa94b0cadc96ad0f975f1d12ef6cccfab62fc1907c5e91c6a892e9becfae8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fa94b0cadc96ad0f975f1d12ef6cccfab62fc1907c5e91c6a892e9becfae8e", kill_on_drop: false }`
[INFO] [stdout] d3fa94b0cadc96ad0f975f1d12ef6cccfab62fc1907c5e91c6a892e9becfae8e
