[INFO] crate lark-ty 0.1.0 is already in cache
[INFO] extracting crate lark-ty 0.1.0 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/lark-ty/0.1.0
[INFO] extracting crate lark-ty 0.1.0 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/lark-ty/0.1.0
[INFO] validating manifest of lark-ty-0.1.0 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lark-ty-0.1.0 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lark-ty-0.1.0
[INFO] finished frobbing lark-ty-0.1.0
[INFO] frobbed toml for lark-ty-0.1.0 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/lark-ty/0.1.0/Cargo.toml
[INFO] started frobbing lark-ty-0.1.0
[INFO] finished frobbing lark-ty-0.1.0
[INFO] frobbed toml for lark-ty-0.1.0 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/lark-ty/0.1.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lark-ty-0.1.0 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/lark-ty/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 41f56cce5dd7e52ecd9662cc0e45b1b102d88c86747d521ecafbb53b3d04ab4f
[INFO] running `"docker" "start" "-a" "41f56cce5dd7e52ecd9662cc0e45b1b102d88c86747d521ecafbb53b3d04ab4f"`
[INFO] [stderr]     Checking lark-debug-with v0.1.0
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]    Compiling lark-debug-derive v0.1.0
[INFO] [stderr]     Checking lark-collections v0.1.0
[INFO] [stderr]     Checking languageserver-types v0.53.1
[INFO] [stderr]     Checking lark-intern v0.1.0
[INFO] [stderr]     Checking lark-unify v0.1.0
[INFO] [stderr]     Checking language-reporting v0.3.0
[INFO] [stderr]     Checking lark-string v0.1.0
[INFO] [stderr]     Checking lark-span v0.1.0
[INFO] [stderr]     Checking lark-error v0.1.0
[INFO] [stderr]     Checking lark-entity v0.1.0
[INFO] [stderr]     Checking lark-ty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:147:1
[INFO] [stderr]     |
[INFO] [stderr] 147 | / /// A "universe" is a set of names -- the root universe (U(0)) contains all
[INFO] [stderr] 148 | | /// the "global names"; each time we traverse into a binder, we instantiate a
[INFO] [stderr] 149 | | /// new universe (e.g., U(1)) that can see all things from lower universes
[INFO] [stderr] 150 | | /// as well as some new placeholders.
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 151 | / lark_collections::index_type! {
[INFO] [stderr] 152 | |     pub struct Universe {
[INFO] [stderr] 153 | |         debug_name["U"],
[INFO] [stderr] 154 | |         ..
[INFO] [stderr] 155 | |     }
[INFO] [stderr] 156 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/lib.rs:147:1
[INFO] [stderr]     |
[INFO] [stderr] 147 | / /// A "universe" is a set of names -- the root universe (U(0)) contains all
[INFO] [stderr] 148 | | /// the "global names"; each time we traverse into a binder, we instantiate a
[INFO] [stderr] 149 | | /// new universe (e.g., U(1)) that can see all things from lower universes
[INFO] [stderr] 150 | | /// as well as some new placeholders.
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr] 151 | / lark_collections::index_type! {
[INFO] [stderr] 152 | |     pub struct Universe {
[INFO] [stderr] 153 | |         debug_name["U"],
[INFO] [stderr] 154 | |         ..
[INFO] [stderr] 155 | |     }
[INFO] [stderr] 156 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.30s
[INFO] running `"docker" "inspect" "41f56cce5dd7e52ecd9662cc0e45b1b102d88c86747d521ecafbb53b3d04ab4f"`
[INFO] running `"docker" "rm" "-f" "41f56cce5dd7e52ecd9662cc0e45b1b102d88c86747d521ecafbb53b3d04ab4f"`
[INFO] [stdout] 41f56cce5dd7e52ecd9662cc0e45b1b102d88c86747d521ecafbb53b3d04ab4f