[INFO] crate lark-ty 0.1.0 is already in cache [INFO] checking lark-ty-0.1.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] extracting crate lark-ty 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate lark-ty 0.1.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate lark-ty 0.1.0 [INFO] finished tweaking crates.io crate lark-ty 0.1.0 [INFO] tweaked toml for crates.io crate lark-ty 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 68d8763b489950f8884a8deb6812ee150c2a2e4bbe227fd6cbc4630b1bb53a68 [INFO] running `"docker" "start" "-a" "68d8763b489950f8884a8deb6812ee150c2a2e4bbe227fd6cbc4630b1bb53a68"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking lark-debug-with v0.1.0 [INFO] [stderr] Checking render-tree v0.1.1 [INFO] [stderr] Compiling lark-debug-derive v0.1.0 [INFO] [stderr] Checking languageserver-types v0.53.1 [INFO] [stderr] Checking lark-collections v0.1.0 [INFO] [stderr] Checking lark-intern v0.1.0 [INFO] [stderr] Checking lark-unify v0.1.0 [INFO] [stderr] Checking language-reporting v0.3.1 [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/rustwide/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] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/declaration.rs:42:34 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn intern_bound_var(db: &AsRef, bv: BoundVar) -> Base { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/declaration.rs:42:34 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn intern_bound_var(db: &AsRef, bv: BoundVar) -> Base { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AsRef` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `never_type` has been stable since 1.41.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(never_type)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `never_type` has been stable since 1.41.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(never_type)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.15s [INFO] running `"docker" "inspect" "68d8763b489950f8884a8deb6812ee150c2a2e4bbe227fd6cbc4630b1bb53a68"` [INFO] running `"docker" "rm" "-f" "68d8763b489950f8884a8deb6812ee150c2a2e4bbe227fd6cbc4630b1bb53a68"` [INFO] [stdout] 68d8763b489950f8884a8deb6812ee150c2a2e4bbe227fd6cbc4630b1bb53a68