[INFO] cloning repository https://github.com/pruu-networking/betterfield4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pruu-networking/betterfield4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpruu-networking%2Fbetterfield4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpruu-networking%2Fbetterfield4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bb91a0e6069979d618c47893443dfafca30c749
[INFO] checking pruu-networking/betterfield4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpruu-networking%2Fbetterfield4" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pruu-networking/betterfield4
[INFO] finished tweaking git repo https://github.com/pruu-networking/betterfield4
[INFO] tweaked toml for git repo https://github.com/pruu-networking/betterfield4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pruu-networking/betterfield4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pruu-networking/betterfield4 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 596a17168e1360acca972dcf41185122b70bbb0da355135e600c2680f319ad7a
[INFO] running `Command { std: "docker" "start" "-a" "596a17168e1360acca972dcf41185122b70bbb0da355135e600c2680f319ad7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "596a17168e1360acca972dcf41185122b70bbb0da355135e600c2680f319ad7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596a17168e1360acca972dcf41185122b70bbb0da355135e600c2680f319ad7a", kill_on_drop: false }`
[INFO] [stdout] 596a17168e1360acca972dcf41185122b70bbb0da355135e600c2680f319ad7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb8d9802040606eebff6dc7690db25e8c348a4b54aa2563a306a2f008ac3e548
[INFO] running `Command { std: "docker" "start" "-a" "bb8d9802040606eebff6dc7690db25e8c348a4b54aa2563a306a2f008ac3e548", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking wgpu-types v0.15.2
[INFO] [stderr]     Checking glow v0.12.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/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 profiling v1.0.7
[INFO] [stderr]     Checking symphonia-core v0.5.2
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking raw-window-handle v0.5.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling cpal v0.15.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stderr]     Checking claxon v0.4.3
[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" "bb8d9802040606eebff6dc7690db25e8c348a4b54aa2563a306a2f008ac3e548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8d9802040606eebff6dc7690db25e8c348a4b54aa2563a306a2f008ac3e548", kill_on_drop: false }`
[INFO] [stdout] bb8d9802040606eebff6dc7690db25e8c348a4b54aa2563a306a2f008ac3e548