[INFO] cloning repository https://github.com/Daiki48/conrod_gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Daiki48/conrod_gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaiki48%2Fconrod_gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaiki48%2Fconrod_gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9884f9125621c721915014840d1bd6715ed5c519
[INFO] checking Daiki48/conrod_gui against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaiki48%2Fconrod_gui" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Daiki48/conrod_gui
[INFO] finished tweaking git repo https://github.com/Daiki48/conrod_gui
[INFO] tweaked toml for git repo https://github.com/Daiki48/conrod_gui written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Daiki48/conrod_gui on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Daiki48/conrod_gui 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98c31faed65b1a3a2e85a3fee24a1057e8c9b16cbd68feca4797f035367929c3
[INFO] running `Command { std: "docker" "start" "-a" "98c31faed65b1a3a2e85a3fee24a1057e8c9b16cbd68feca4797f035367929c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98c31faed65b1a3a2e85a3fee24a1057e8c9b16cbd68feca4797f035367929c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c31faed65b1a3a2e85a3fee24a1057e8c9b16cbd68feca4797f035367929c3", kill_on_drop: false }`
[INFO] [stdout] 98c31faed65b1a3a2e85a3fee24a1057e8c9b16cbd68feca4797f035367929c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ee1af4879cfc4d43a11659d52025dd2f8d5626943c8b157fdd404617ebb19b8
[INFO] running `Command { std: "docker" "start" "-a" "7ee1af4879cfc4d43a11659d52025dd2f8d5626943c8b157fdd404617ebb19b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] [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" "7ee1af4879cfc4d43a11659d52025dd2f8d5626943c8b157fdd404617ebb19b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee1af4879cfc4d43a11659d52025dd2f8d5626943c8b157fdd404617ebb19b8", kill_on_drop: false }`
[INFO] [stdout] 7ee1af4879cfc4d43a11659d52025dd2f8d5626943c8b157fdd404617ebb19b8
