[INFO] cloning repository https://github.com/matias-gonz/rusty-conway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matias-gonz/rusty-conway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatias-gonz%2Frusty-conway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatias-gonz%2Frusty-conway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bd1f8f7abedbe76d1d8ce675b7f757cd1d509fe
[INFO] checking matias-gonz/rusty-conway/5bd1f8f7abedbe76d1d8ce675b7f757cd1d509fe against master#cb06d12710575a0d7ff71d6fe108f3bcff4f9195 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatias-gonz%2Frusty-conway" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matias-gonz/rusty-conway on toolchain cb06d12710575a0d7ff71d6fe108f3bcff4f9195
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matias-gonz/rusty-conway
[INFO] finished tweaking git repo https://github.com/matias-gonz/rusty-conway
[INFO] tweaked toml for git repo https://github.com/matias-gonz/rusty-conway written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matias-gonz/rusty-conway 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" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is_sorted v0.1.1
[INFO] [stderr]   Downloaded sparse-bin-mat v0.7.0
[INFO] [stderr]   Downloaded fontdue v0.7.2
[INFO] [stderr]   Downloaded miniquad v0.3.14
[INFO] [stderr]   Downloaded macroquad v0.3.25
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff455ec34882984fdbbef2f24977f37afcef1ff5c04324e629c8b97cf0292eac
[INFO] running `Command { std: "docker" "start" "-a" "ff455ec34882984fdbbef2f24977f37afcef1ff5c04324e629c8b97cf0292eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff455ec34882984fdbbef2f24977f37afcef1ff5c04324e629c8b97cf0292eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff455ec34882984fdbbef2f24977f37afcef1ff5c04324e629c8b97cf0292eac", kill_on_drop: false }`
[INFO] [stdout] ff455ec34882984fdbbef2f24977f37afcef1ff5c04324e629c8b97cf0292eac
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d80ff428f12d4127945e667fd8b401747121f726557a5c99ef23e8884080d162
[INFO] running `Command { std: "docker" "start" "-a" "d80ff428f12d4127945e667fd8b401747121f726557a5c99ef23e8884080d162", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling miniquad v0.3.14
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stderr]    Compiling quad-snd v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bytemuck v1.13.0
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking bumpalo v3.12.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling macroquad_macro v0.1.7
[INFO] [stderr]     Checking is_sorted v0.1.1
[INFO] [stderr]     Checking quad-rand v0.2.1
[INFO] [stderr]     Checking glam v0.21.3
[INFO] [stderr]     Checking itertools v0.10.5
[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]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking audrey 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" "d80ff428f12d4127945e667fd8b401747121f726557a5c99ef23e8884080d162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80ff428f12d4127945e667fd8b401747121f726557a5c99ef23e8884080d162", kill_on_drop: false }`
[INFO] [stdout] d80ff428f12d4127945e667fd8b401747121f726557a5c99ef23e8884080d162