[INFO] crate lark-type-check 0.1.0 is already in cache [INFO] testing lark-type-check-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate lark-type-check 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate lark-type-check 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate lark-type-check 0.1.0 [INFO] finished tweaking crates.io crate lark-type-check 0.1.0 [INFO] tweaked toml for crates.io crate lark-type-check 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stdout] 29423415b54def2807a4e69e2d6bd4572859c166ccc5ca2a9c53e58e4290a807 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "29423415b54def2807a4e69e2d6bd4572859c166ccc5ca2a9c53e58e4290a807"` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling datafrog v2.0.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling generational-arena v0.2.7 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling render-tree v0.1.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling lark-debug-with v0.1.0 [INFO] [stderr] Compiling lark-collections v0.1.0 [INFO] [stderr] Compiling lark-unify v0.1.0 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling lark-intern v0.1.0 [INFO] [stderr] Compiling lark-string v0.1.0 [INFO] [stderr] Compiling lark-debug-derive v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling derive-new v0.5.8 [INFO] [stderr] Compiling salsa v0.9.2 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Compiling url_serde v0.2.0 [INFO] [stderr] Compiling language-reporting v0.3.1 [INFO] [stderr] Compiling languageserver-types v0.53.1 [INFO] [stderr] Compiling lark-span v0.1.0 [INFO] [stderr] Compiling lark-error v0.1.0 [INFO] [stderr] Compiling lark-entity v0.1.0 [INFO] [stderr] Compiling lark-ty v0.1.0 [INFO] [stderr] Compiling lark-hir v0.1.0 [INFO] [stderr] Compiling lark-parser v0.1.0 [INFO] [stderr] Compiling lark-pretty-print v0.1.0 [INFO] [stderr] Compiling lark-type-check v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/full_inference/perm.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | /// An intern'd permission. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros [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: variant is never constructed: `Placeholder` [INFO] [stderr] --> src/full_inference/perm.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Placeholder(Placeholder), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 44s [INFO] running `"docker" "inspect" "29423415b54def2807a4e69e2d6bd4572859c166ccc5ca2a9c53e58e4290a807"` [INFO] running `"docker" "rm" "-f" "29423415b54def2807a4e69e2d6bd4572859c166ccc5ca2a9c53e58e4290a807"` [INFO] [stdout] 29423415b54def2807a4e69e2d6bd4572859c166ccc5ca2a9c53e58e4290a807 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 732806918c8b9fdb6cbed9c84cd2952970ff1013abef697590938ca4e3750ced [INFO] running `"docker" "start" "-a" "732806918c8b9fdb6cbed9c84cd2952970ff1013abef697590938ca4e3750ced"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling lark-type-check v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/full_inference/perm.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | /// An intern'd permission. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros [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: variant is never constructed: `Placeholder` [INFO] [stderr] --> src/full_inference/perm.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Placeholder(Placeholder), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/full_inference/perm.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | /// An intern'd permission. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros [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: variant is never constructed: `Placeholder` [INFO] [stderr] --> src/full_inference/perm.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Placeholder(Placeholder), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.65s [INFO] running `"docker" "inspect" "732806918c8b9fdb6cbed9c84cd2952970ff1013abef697590938ca4e3750ced"` [INFO] running `"docker" "rm" "-f" "732806918c8b9fdb6cbed9c84cd2952970ff1013abef697590938ca4e3750ced"` [INFO] [stdout] 732806918c8b9fdb6cbed9c84cd2952970ff1013abef697590938ca4e3750ced [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8358c33edd2787f71731184aec53472ea88e276a32830150da53f7038de9bef8 [INFO] running `"docker" "start" "-a" "8358c33edd2787f71731184aec53472ea88e276a32830150da53f7038de9bef8"` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/full_inference/perm.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | /// An intern'd permission. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros [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: variant is never constructed: `Placeholder` [INFO] [stderr] --> src/full_inference/perm.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Placeholder(Placeholder), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/full_inference/perm.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | /// An intern'd permission. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros [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: variant is never constructed: `Placeholder` [INFO] [stderr] --> src/full_inference/perm.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Placeholder(Placeholder), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lark_type_check-920f4f1e62e79189 [INFO] [stderr] Doc-tests lark-type-check [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/full_inference/analysis.rs - full_inference::analysis::PathData::Temporary (line 219) ... ignored [INFO] [stdout] test src/lib.rs - TypeCheckerFamilyDependentExt::record_max_expression_ty (line 162) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "8358c33edd2787f71731184aec53472ea88e276a32830150da53f7038de9bef8"` [INFO] running `"docker" "rm" "-f" "8358c33edd2787f71731184aec53472ea88e276a32830150da53f7038de9bef8"` [INFO] [stdout] 8358c33edd2787f71731184aec53472ea88e276a32830150da53f7038de9bef8