[INFO] cloning repository https://github.com/qxzcode/mancala_bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qxzcode/mancala_bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqxzcode%2Fmancala_bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqxzcode%2Fmancala_bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d9e1487b7e5af777b421861e74d94b22bb2d013
[INFO] checking qxzcode/mancala_bot against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqxzcode%2Fmancala_bot" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qxzcode/mancala_bot
[INFO] finished tweaking git repo https://github.com/qxzcode/mancala_bot
[INFO] tweaked toml for git repo https://github.com/qxzcode/mancala_bot written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qxzcode/mancala_bot on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qxzcode/mancala_bot 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] [stderr]   Downloaded ahash v0.8.2
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded calloop v0.10.4
[INFO] [stderr]   Downloaded accesskit v0.8.1
[INFO] [stderr]   Downloaded ordered-float v3.4.0
[INFO] [stderr]   Downloaded crossfont v0.5.1
[INFO] [stderr]   Downloaded windows-implement v0.42.0
[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] [stderr]   Downloaded accesskit_macos v0.2.1
[INFO] [stderr]   Downloaded accesskit_windows v0.10.1
[INFO] [stderr]   Downloaded webbrowser v0.8.2
[INFO] [stderr]   Downloaded glutin v0.30.3
[INFO] [stderr]   Downloaded serde v1.0.150
[INFO] [stderr]   Downloaded serde_derive v1.0.150
[INFO] [stderr]   Downloaded objc2 v0.3.0-beta.3
[INFO] [stderr]   Downloaded accesskit_consumer v0.10.0
[INFO] [stderr]   Downloaded paste v1.0.10
[INFO] [stderr]   Downloaded accesskit_winit v0.7.1
[INFO] [stderr]   Downloaded clipboard-win v4.4.2
[INFO] [stderr]   Downloaded egui-winit v0.20.1
[INFO] [stderr]   Downloaded egui_glow v0.20.1
[INFO] [stderr]   Downloaded glutin_egl_sys v0.3.1
[INFO] [stderr]   Downloaded glutin_glx_sys v0.3.0
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.3.0
[INFO] [stderr]   Downloaded eframe v0.20.1
[INFO] [stderr]   Downloaded cmake v0.1.49
[INFO] [stderr]   Downloaded windows v0.42.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f54e4423e7031cff76a8be62261a2c06701cf4027f562bdd0962b1ea9bc025a8
[INFO] running `Command { std: "docker" "start" "-a" "f54e4423e7031cff76a8be62261a2c06701cf4027f562bdd0962b1ea9bc025a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f54e4423e7031cff76a8be62261a2c06701cf4027f562bdd0962b1ea9bc025a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54e4423e7031cff76a8be62261a2c06701cf4027f562bdd0962b1ea9bc025a8", kill_on_drop: false }`
[INFO] [stdout] f54e4423e7031cff76a8be62261a2c06701cf4027f562bdd0962b1ea9bc025a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbbf89147494fc7c2f8f58c2f10f99e5ce398c93d8bc67db50b565e6707bb535
[INFO] running `Command { std: "docker" "start" "-a" "cbbf89147494fc7c2f8f58c2f10f99e5ce398c93d8bc67db50b565e6707bb535", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling ahash v0.8.2
[INFO] [stderr]     Checking ttf-parser v0.17.1
[INFO] [stderr]     Checking kurbo v0.8.3
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]     Checking raw-window-handle v0.5.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling glutin v0.30.3
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking ordered-float v3.4.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[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] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling x11-dl v2.20.1
[INFO] [stderr]    Compiling crossfont v0.5.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.3.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.3.0
[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" "cbbf89147494fc7c2f8f58c2f10f99e5ce398c93d8bc67db50b565e6707bb535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbf89147494fc7c2f8f58c2f10f99e5ce398c93d8bc67db50b565e6707bb535", kill_on_drop: false }`
[INFO] [stdout] cbbf89147494fc7c2f8f58c2f10f99e5ce398c93d8bc67db50b565e6707bb535