[INFO] cloning repository https://github.com/droundy/breaks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/droundy/breaks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroundy%2Fbreaks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroundy%2Fbreaks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02bc8fa12d2bc2dbb6b7edcb57b8873d96db9d9a
[INFO] checking droundy/breaks/02bc8fa12d2bc2dbb6b7edcb57b8873d96db9d9a against master#2ca7bcd03b87b52f7055a59b817443b0ac4a530d for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdroundy%2Fbreaks" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/droundy/breaks
[INFO] finished tweaking git repo https://github.com/droundy/breaks
[INFO] tweaked toml for git repo https://github.com/droundy/breaks written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/droundy/breaks on toolchain 2ca7bcd03b87b52f7055a59b817443b0ac4a530d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2ca7bcd03b87b52f7055a59b817443b0ac4a530d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/droundy/breaks 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" "+2ca7bcd03b87b52f7055a59b817443b0ac4a530d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/linebender/druid`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.1
[INFO] [stderr]   Downloaded tinystr v0.7.0
[INFO] [stderr]   Downloaded piet-web v0.6.0
[INFO] [stderr]   Downloaded unic-langid v0.9.1
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded type-map v0.4.0
[INFO] [stderr]   Downloaded intl-memoizer v0.5.1
[INFO] [stderr]   Downloaded gtk3-macros v0.16.0
[INFO] [stderr]   Downloaded fluent-syntax v0.11.0
[INFO] [stderr]   Downloaded piet-cairo v0.6.0
[INFO] [stderr]   Downloaded piet-direct2d v0.6.0
[INFO] [stderr]   Downloaded tts v0.22.5
[INFO] [stderr]   Downloaded piet-common v0.6.0
[INFO] [stderr]   Downloaded piet-coregraphics v0.6.0
[INFO] [stderr]   Downloaded self_cell v0.10.2
[INFO] [stderr]   Downloaded lock v0.1.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.10
[INFO] [stderr]   Downloaded bindgen v0.63.0
[INFO] [stderr]   Downloaded fluent-bundle v0.15.2
[INFO] [stderr]   Downloaded speech-dispatcher-sys v0.7.0
[INFO] [stderr]   Downloaded piet v0.6.0
[INFO] [stderr]   Downloaded kurbo v0.9.0
[INFO] [stderr]   Downloaded speech-dispatcher v0.13.1
[INFO] [stderr]   Downloaded cstr v0.2.11
[INFO] [stderr]   Downloaded user-idle v0.5.2
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+2ca7bcd03b87b52f7055a59b817443b0ac4a530d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d8035af6bdea2b6ce9f916d5260be02188525b4c45c97457ee53dce3d8ca218
[INFO] running `Command { std: "docker" "start" "-a" "2d8035af6bdea2b6ce9f916d5260be02188525b4c45c97457ee53dce3d8ca218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d8035af6bdea2b6ce9f916d5260be02188525b4c45c97457ee53dce3d8ca218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8035af6bdea2b6ce9f916d5260be02188525b4c45c97457ee53dce3d8ca218", kill_on_drop: false }`
[INFO] [stdout] 2d8035af6bdea2b6ce9f916d5260be02188525b4c45c97457ee53dce3d8ca218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+2ca7bcd03b87b52f7055a59b817443b0ac4a530d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32469c8148d755ded114840eb2d5a665c863228530051d6685d2d9f1473cc77f
[INFO] running `Command { std: "docker" "start" "-a" "32469c8148d755ded114840eb2d5a665c863228530051d6685d2d9f1473cc77f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling toml v0.5.10
[INFO] [stderr]    Compiling gio v0.16.7
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking kurbo v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling gtk v0.16.2
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking type-map v0.4.0
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling druid-shell v0.7.0 (https://github.com/linebender/druid#16e340b6)
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking keyboard-types v0.6.2
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling lock v0.1.0
[INFO] [stderr]     Checking dyn-clone v1.0.10
[INFO] [stderr]    Compiling tts v0.22.5
[INFO] [stderr]     Checking self_cell v0.10.2
[INFO] [stderr]     Checking futures-channel v0.3.25
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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 ryu v1.0.12
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]     Checking unic-bidi v0.9.0
[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" "32469c8148d755ded114840eb2d5a665c863228530051d6685d2d9f1473cc77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32469c8148d755ded114840eb2d5a665c863228530051d6685d2d9f1473cc77f", kill_on_drop: false }`
[INFO] [stdout] 32469c8148d755ded114840eb2d5a665c863228530051d6685d2d9f1473cc77f