[INFO] fetching crate texcore 0.7.1...
[INFO] testing texcore-0.7.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate texcore 0.7.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate texcore 0.7.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate texcore 0.7.1
[INFO] finished tweaking crates.io crate texcore 0.7.1
[INFO] tweaked toml for crates.io crate texcore 0.7.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate texcore 0.7.1 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded tectonic_docmodel v0.2.0
[INFO] [stderr]   Downloaded tectonic_engine_bibtex v0.1.4
[INFO] [stderr]   Downloaded pinot v0.1.5
[INFO] [stderr]   Downloaded tectonic_bundles v0.3.0
[INFO] [stderr]   Downloaded byte-unit v4.0.19
[INFO] [stderr]   Downloaded watchexec v1.17.2
[INFO] [stderr]   Downloaded command-group v1.0.8
[INFO] [stderr]   Downloaded tectonic_bridge_icu v0.2.0
[INFO] [stderr]   Downloaded tectonic_geturl v0.3.1
[INFO] [stderr]   Downloaded tectonic_xdv v0.2.1
[INFO] [stderr]   Downloaded app_dirs2 v2.5.5
[INFO] [stderr]   Downloaded tectonic_engine_spx2html v0.2.1
[INFO] [stderr]   Downloaded tectonic_bridge_flate v0.1.6
[INFO] [stderr]   Downloaded tectonic_engine_xdvipdfmx v0.4.0
[INFO] [stderr]   Downloaded tectonic_engine_xetex v0.4.1
[INFO] [stderr]   Downloaded texcore_traits v0.1.0
[INFO] [stderr]   Downloaded tectonic v0.12.0
[INFO] [stderr]   Downloaded tectonic_pdf_io v0.4.0
[INFO] [stderr]   Downloaded tectonic_bridge_harfbuzz v0.2.7
[INFO] [stderr]   Downloaded tectonic_io_base v0.4.1
[INFO] [stderr]   Downloaded tectonic_status_base v0.2.0
[INFO] [stderr]   Downloaded tectonic_bridge_core v0.3.1
[INFO] [stderr]   Downloaded tectonic_bridge_freetype2 v0.2.0
[INFO] [stderr]   Downloaded tectonic_bridge_graphite2 v0.2.1
[INFO] [stderr]   Downloaded tectonic_cfg_support v0.1.4
[INFO] [stderr]   Downloaded tectonic_dep_support v0.1.0
[INFO] [stderr]   Downloaded tectonic_xetex_layout v0.2.1
[INFO] [stderr]   Downloaded terminfo v0.7.5
[INFO] [stderr]   Downloaded clearscreen v1.0.11
[INFO] [stderr]   Downloaded texcore_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47947bd4787f4488f5a179c6d303761dbb07974a2b22a03fa251465ae0213bb1
[INFO] running `Command { std: "docker" "start" "-a" "47947bd4787f4488f5a179c6d303761dbb07974a2b22a03fa251465ae0213bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47947bd4787f4488f5a179c6d303761dbb07974a2b22a03fa251465ae0213bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47947bd4787f4488f5a179c6d303761dbb07974a2b22a03fa251465ae0213bb1", kill_on_drop: false }`
[INFO] [stdout] 47947bd4787f4488f5a179c6d303761dbb07974a2b22a03fa251465ae0213bb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec5dff3bd4b9161dab5dfc1f6537a05ee4e3f749b35e7fcf4d9a4e4feb66c21d
[INFO] running `Command { std: "docker" "start" "-a" "ec5dff3bd4b9161dab5dfc1f6537a05ee4e3f749b35e7fcf4d9a4e4feb66c21d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling texcore_derive v0.1.0
[INFO] [stderr]    Compiling texcore_traits v0.1.0
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling texcore v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(doc_auto_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `texcore` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ec5dff3bd4b9161dab5dfc1f6537a05ee4e3f749b35e7fcf4d9a4e4feb66c21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5dff3bd4b9161dab5dfc1f6537a05ee4e3f749b35e7fcf4d9a4e4feb66c21d", kill_on_drop: false }`
[INFO] [stdout] ec5dff3bd4b9161dab5dfc1f6537a05ee4e3f749b35e7fcf4d9a4e4feb66c21d
