[INFO] cloning repository https://github.com/EduRenesto/ufabc-gd2-gauss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EduRenesto/ufabc-gd2-gauss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEduRenesto%2Fufabc-gd2-gauss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEduRenesto%2Fufabc-gd2-gauss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1397559e184da29aaea115c2c3265c64e83d75f1
[INFO] checking EduRenesto/ufabc-gd2-gauss against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEduRenesto%2Fufabc-gd2-gauss" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EduRenesto/ufabc-gd2-gauss
[INFO] finished tweaking git repo https://github.com/EduRenesto/ufabc-gd2-gauss
[INFO] tweaked toml for git repo https://github.com/EduRenesto/ufabc-gd2-gauss written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EduRenesto/ufabc-gd2-gauss on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EduRenesto/ufabc-gd2-gauss 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ultraviolet v0.9.0
[INFO] [stderr]   Downloaded tobj v3.2.3
[INFO] [stderr]   Downloaded wide v0.7.5
[INFO] [stderr]   Downloaded obj-rs v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbaa1630fcba9dcaaeea284b5d559e39ade7c9ad81654756954a5cbd8fc73849
[INFO] running `Command { std: "docker" "start" "-a" "bbaa1630fcba9dcaaeea284b5d559e39ade7c9ad81654756954a5cbd8fc73849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbaa1630fcba9dcaaeea284b5d559e39ade7c9ad81654756954a5cbd8fc73849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbaa1630fcba9dcaaeea284b5d559e39ade7c9ad81654756954a5cbd8fc73849", kill_on_drop: false }`
[INFO] [stdout] bbaa1630fcba9dcaaeea284b5d559e39ade7c9ad81654756954a5cbd8fc73849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f048756a0a02fa3ec0f40877a00eb3787c50c84b11d4781212416475d3a79407
[INFO] running `Command { std: "docker" "start" "-a" "f048756a0a02fa3ec0f40877a00eb3787c50c84b11d4781212416475d3a79407", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling gauss v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[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]     Checking getrandom v0.2.8
[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" "f048756a0a02fa3ec0f40877a00eb3787c50c84b11d4781212416475d3a79407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f048756a0a02fa3ec0f40877a00eb3787c50c84b11d4781212416475d3a79407", kill_on_drop: false }`
[INFO] [stdout] f048756a0a02fa3ec0f40877a00eb3787c50c84b11d4781212416475d3a79407
