[INFO] fetching crate civibus 0.2.0...
[INFO] checking civibus-0.2.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate civibus 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate civibus 0.2.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate civibus 0.2.0
[INFO] finished tweaking crates.io crate civibus 0.2.0
[INFO] tweaked toml for crates.io crate civibus 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate civibus 0.2.0 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded filetime v0.2.19
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded which v4.3.0
[INFO] [stderr]   Downloaded tectonic_bridge_flate v0.1.6
[INFO] [stderr]   Downloaded tectonic_docmodel v0.2.0
[INFO] [stderr]   Downloaded pest_generator v2.5.2
[INFO] [stderr]   Downloaded tectonic_bridge_core v0.3.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.85
[INFO] [stderr]   Downloaded tectonic_xdv v0.2.1
[INFO] [stderr]   Downloaded dyn-clone v1.0.10
[INFO] [stderr]   Downloaded tectonic_engine_xdvipdfmx v0.4.0
[INFO] [stderr]   Downloaded tectonic_engine_bibtex v0.1.4
[INFO] [stderr]   Downloaded inquire v0.5.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.85
[INFO] [stderr]   Downloaded object v0.30.1
[INFO] [stderr]   Downloaded pest v2.5.2
[INFO] [stderr]   Downloaded clearscreen v1.0.11
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded cxx-build v1.0.85
[INFO] [stderr]   Downloaded tera v1.17.1
[INFO] [stderr]   Downloaded pest_meta v2.5.2
[INFO] [stderr]   Downloaded tectonic_engine_spx2html v0.2.1
[INFO] [stderr]   Downloaded app_dirs2 v2.5.4
[INFO] [stderr]   Downloaded byte-unit v4.0.18
[INFO] [stderr]   Downloaded tectonic_io_base v0.4.1
[INFO] [stderr]   Downloaded tectonic_xetex_layout v0.2.1
[INFO] [stderr]   Downloaded pest_derive v2.5.2
[INFO] [stderr]   Downloaded tectonic_engine_xetex v0.4.1
[INFO] [stderr]   Downloaded cxx v1.0.85
[INFO] [stderr]   Downloaded tectonic_pdf_io v0.4.0
[INFO] [stderr]   Downloaded tokio v1.24.0
[INFO] [stderr]   Downloaded gimli v0.27.0
[INFO] [stderr]   Downloaded tectonic_bridge_harfbuzz v0.2.7
[INFO] [stderr]   Downloaded tectonic v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6efe9aae9f5bcaee2ee988732744a40d1836437344d21307bccc90e2cf0fcdb8
[INFO] running `Command { std: "docker" "start" "-a" "6efe9aae9f5bcaee2ee988732744a40d1836437344d21307bccc90e2cf0fcdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6efe9aae9f5bcaee2ee988732744a40d1836437344d21307bccc90e2cf0fcdb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efe9aae9f5bcaee2ee988732744a40d1836437344d21307bccc90e2cf0fcdb8", kill_on_drop: false }`
[INFO] [stdout] 6efe9aae9f5bcaee2ee988732744a40d1836437344d21307bccc90e2cf0fcdb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feba400f82e6588a2a09661eba5e12118c347bc2b9de0a9d4473f96d6f8ad178
[INFO] running `Command { std: "docker" "start" "-a" "feba400f82e6588a2a09661eba5e12118c347bc2b9de0a9d4473f96d6f8ad178", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling tectonic_dep_support v0.1.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling tectonic_cfg_support v0.1.4
[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" "feba400f82e6588a2a09661eba5e12118c347bc2b9de0a9d4473f96d6f8ad178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feba400f82e6588a2a09661eba5e12118c347bc2b9de0a9d4473f96d6f8ad178", kill_on_drop: false }`
[INFO] [stdout] feba400f82e6588a2a09661eba5e12118c347bc2b9de0a9d4473f96d6f8ad178
