[INFO] cloning repository https://github.com/wildcommunist/YARRL
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wildcommunist/YARRL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildcommunist%2FYARRL", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildcommunist%2FYARRL'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 582d407d474643d637b622991c4b6b736b8d8257
[INFO] checking wildcommunist/YARRL against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildcommunist%2FYARRL" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wildcommunist/YARRL
[INFO] finished tweaking git repo https://github.com/wildcommunist/YARRL
[INFO] tweaked toml for git repo https://github.com/wildcommunist/YARRL written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wildcommunist/YARRL on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wildcommunist/YARRL 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking wildcommunist/YARRL against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildcommunist%2FYARRL" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wildcommunist/YARRL
[INFO] finished tweaking git repo https://github.com/wildcommunist/YARRL
[INFO] tweaked toml for git repo https://github.com/wildcommunist/YARRL written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wildcommunist/YARRL on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wildcommunist/YARRL 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shred v0.13.0
[INFO] [stderr]   Downloaded tuple_utils v0.4.0
[INFO] [stderr]   Downloaded xdg v2.4.1
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.7
[INFO] [stderr]   Downloaded shrev v1.1.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded rltk v0.8.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.46
[INFO] [stderr]   Downloaded specs v0.18.0
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ddde28c8893b39fea3a5242c003250f73be93f890a42ed318e490a93e204c05
[INFO] running `Command { std: "docker" "start" "-a" "6ddde28c8893b39fea3a5242c003250f73be93f890a42ed318e490a93e204c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ddde28c8893b39fea3a5242c003250f73be93f890a42ed318e490a93e204c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddde28c8893b39fea3a5242c003250f73be93f890a42ed318e490a93e204c05", kill_on_drop: false }`
[INFO] [stdout] 6ddde28c8893b39fea3a5242c003250f73be93f890a42ed318e490a93e204c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9196731fa816a6b98a7c5abc19df38070ec5dbe47e9f3ee0aca73d9b9a67f1bd
[INFO] running `Command { std: "docker" "start" "-a" "9196731fa816a6b98a7c5abc19df38070ec5dbe47e9f3ee0aca73d9b9a67f1bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]    Compiling x11-dl v2.20.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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 num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.7
[INFO] [stderr]     Checking wide v0.6.5
[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" "9196731fa816a6b98a7c5abc19df38070ec5dbe47e9f3ee0aca73d9b9a67f1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9196731fa816a6b98a7c5abc19df38070ec5dbe47e9f3ee0aca73d9b9a67f1bd", kill_on_drop: false }`
[INFO] [stdout] 9196731fa816a6b98a7c5abc19df38070ec5dbe47e9f3ee0aca73d9b9a67f1bd
