[INFO] cloning repository https://github.com/AlexanderARodin/learn-egui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexanderARodin/learn-egui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderARodin%2Flearn-egui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderARodin%2Flearn-egui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bc1e566b5ce1c00cf3d99ed69958aceea1bb7b0
[INFO] checking AlexanderARodin/learn-egui against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderARodin%2Flearn-egui" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AlexanderARodin/learn-egui
[INFO] finished tweaking git repo https://github.com/AlexanderARodin/learn-egui
[INFO] tweaked toml for git repo https://github.com/AlexanderARodin/learn-egui written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlexanderARodin/learn-egui on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlexanderARodin/learn-egui 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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dddb62aa78bfd725b1a9ab52249ea3b7595ff01a33339aaf9a8d10abf6870221
[INFO] running `Command { std: "docker" "start" "-a" "dddb62aa78bfd725b1a9ab52249ea3b7595ff01a33339aaf9a8d10abf6870221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dddb62aa78bfd725b1a9ab52249ea3b7595ff01a33339aaf9a8d10abf6870221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dddb62aa78bfd725b1a9ab52249ea3b7595ff01a33339aaf9a8d10abf6870221", kill_on_drop: false }`
[INFO] [stdout] dddb62aa78bfd725b1a9ab52249ea3b7595ff01a33339aaf9a8d10abf6870221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25c88e21efcd61592d5af6e11688a6a51e84ebe4c5ac9517b7532dc843861a2c
[INFO] running `Command { std: "docker" "start" "-a" "25c88e21efcd61592d5af6e11688a6a51e84ebe4c5ac9517b7532dc843861a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling xml-rs v0.8.13
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking ttf-parser v0.19.0
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]     Checking png v0.17.8
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling glutin v0.30.8
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling glutin-winit v0.3.0
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking wayland-sys v0.29.5
[INFO] [stderr]     Checking glow v0.12.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/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]     Checking webbrowser v0.8.10
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling gl_generator v0.14.0
[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" "25c88e21efcd61592d5af6e11688a6a51e84ebe4c5ac9517b7532dc843861a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c88e21efcd61592d5af6e11688a6a51e84ebe4c5ac9517b7532dc843861a2c", kill_on_drop: false }`
[INFO] [stdout] 25c88e21efcd61592d5af6e11688a6a51e84ebe4c5ac9517b7532dc843861a2c
