[INFO] cloning repository https://github.com/Dot32IsCool/procedural_walk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dot32IsCool/procedural_walk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDot32IsCool%2Fprocedural_walk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDot32IsCool%2Fprocedural_walk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b08237ceca68f173ed66d4d1364f1e97280c746
[INFO] checking Dot32IsCool/procedural_walk against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDot32IsCool%2Fprocedural_walk" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Dot32IsCool/procedural_walk
[INFO] finished tweaking git repo https://github.com/Dot32IsCool/procedural_walk
[INFO] tweaked toml for git repo https://github.com/Dot32IsCool/procedural_walk written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dot32IsCool/procedural_walk 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/Dot32IsCool/procedural_walk 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded taffy v0.3.8
[INFO] [stderr]   Downloaded bevy_prototype_debug_lines v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2441d38820873bce5a58034c8c6f7c7c5b1d4d7cb32d8c90d165309c03f9a524
[INFO] running `Command { std: "docker" "start" "-a" "2441d38820873bce5a58034c8c6f7c7c5b1d4d7cb32d8c90d165309c03f9a524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2441d38820873bce5a58034c8c6f7c7c5b1d4d7cb32d8c90d165309c03f9a524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2441d38820873bce5a58034c8c6f7c7c5b1d4d7cb32d8c90d165309c03f9a524", kill_on_drop: false }`
[INFO] [stdout] 2441d38820873bce5a58034c8c6f7c7c5b1d4d7cb32d8c90d165309c03f9a524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] aec34869223a6f28327700e0062beed02979449f342705fcec15678cd7fa01a1
[INFO] running `Command { std: "docker" "start" "-a" "aec34869223a6f28327700e0062beed02979449f342705fcec15678cd7fa01a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling winnow v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling erased-serde v0.3.25
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking bevy_ptr v0.10.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking raw-window-handle v0.5.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 ash v0.37.2+1.3.238
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking anyhow v1.0.70
[INFO] [stderr]     Checking wgpu-types v0.15.2
[INFO] [stderr]     Checking glow v0.12.1
[INFO] [stderr]     Checking profiling v1.0.7
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.8
[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" "aec34869223a6f28327700e0062beed02979449f342705fcec15678cd7fa01a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec34869223a6f28327700e0062beed02979449f342705fcec15678cd7fa01a1", kill_on_drop: false }`
[INFO] [stdout] aec34869223a6f28327700e0062beed02979449f342705fcec15678cd7fa01a1
