[INFO] cloning repository https://github.com/arejensen/focus_window
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arejensen/focus_window" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farejensen%2Ffocus_window", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farejensen%2Ffocus_window'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01c157ee3e887e5caffd55f65ea99050eacc6163
[INFO] checking arejensen/focus_window/01c157ee3e887e5caffd55f65ea99050eacc6163 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farejensen%2Ffocus_window" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arejensen/focus_window on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arejensen/focus_window
[INFO] finished tweaking git repo https://github.com/arejensen/focus_window
[INFO] tweaked toml for git repo https://github.com/arejensen/focus_window written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/arejensen/focus_window 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d42d3207fa6947d0ee4412af76972a6a23ed4970cc9d516f299a1d83e42f825a
[INFO] running `Command { std: "docker" "start" "-a" "d42d3207fa6947d0ee4412af76972a6a23ed4970cc9d516f299a1d83e42f825a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d42d3207fa6947d0ee4412af76972a6a23ed4970cc9d516f299a1d83e42f825a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42d3207fa6947d0ee4412af76972a6a23ed4970cc9d516f299a1d83e42f825a", kill_on_drop: false }`
[INFO] [stdout] d42d3207fa6947d0ee4412af76972a6a23ed4970cc9d516f299a1d83e42f825a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4bc00f61785504a14a69f33cbcc388377623ce9ca99c66d5bee5734c746e689
[INFO] running `Command { std: "docker" "start" "-a" "d4bc00f61785504a14a69f33cbcc388377623ce9ca99c66d5bee5734c746e689", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling ahash v0.8.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking windows v0.42.0
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling crossfont v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nom v7.1.1
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d4bc00f61785504a14a69f33cbcc388377623ce9ca99c66d5bee5734c746e689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bc00f61785504a14a69f33cbcc388377623ce9ca99c66d5bee5734c746e689", kill_on_drop: false }`
[INFO] [stdout] d4bc00f61785504a14a69f33cbcc388377623ce9ca99c66d5bee5734c746e689