[INFO] cloning repository https://github.com/DitherWither/icy-kanban
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DitherWither/icy-kanban" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDitherWither%2Ficy-kanban", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDitherWither%2Ficy-kanban'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11484daaac4ded7b4162749bfd05a0e949fb297a
[INFO] checking DitherWither/icy-kanban against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDitherWither%2Ficy-kanban" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DitherWither/icy-kanban
[INFO] finished tweaking git repo https://github.com/DitherWither/icy-kanban
[INFO] tweaked toml for git repo https://github.com/DitherWither/icy-kanban written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DitherWither/icy-kanban on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DitherWither/icy-kanban 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60c4bfeef12efab81cedcc1b3f1bb33a457768dba36b748bd85d997c316b9316
[INFO] running `Command { std: "docker" "start" "-a" "60c4bfeef12efab81cedcc1b3f1bb33a457768dba36b748bd85d997c316b9316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60c4bfeef12efab81cedcc1b3f1bb33a457768dba36b748bd85d997c316b9316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c4bfeef12efab81cedcc1b3f1bb33a457768dba36b748bd85d997c316b9316", kill_on_drop: false }`
[INFO] [stdout] 60c4bfeef12efab81cedcc1b3f1bb33a457768dba36b748bd85d997c316b9316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 387fb9a3cf811e7e5d569a316ff17cc5827baaa56dbe2b5da34f75fa29c6aadb
[INFO] running `Command { std: "docker" "start" "-a" "387fb9a3cf811e7e5d569a316ff17cc5827baaa56dbe2b5da34f75fa29c6aadb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 expat-sys v2.1.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling palette v0.6.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling wgpu-core v0.14.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling crossfont v0.5.1
[INFO] [stderr]     Checking wgpu-types v0.14.1
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "387fb9a3cf811e7e5d569a316ff17cc5827baaa56dbe2b5da34f75fa29c6aadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387fb9a3cf811e7e5d569a316ff17cc5827baaa56dbe2b5da34f75fa29c6aadb", kill_on_drop: false }`
[INFO] [stdout] 387fb9a3cf811e7e5d569a316ff17cc5827baaa56dbe2b5da34f75fa29c6aadb
