[INFO] crate lark-type-check 0.1.0 is already in cache [INFO] testing lark-type-check-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate lark-type-check 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate lark-type-check 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bbca1732b22131133adc452b4714ed45167e178ea796d7c2421c4d0d5717bcde [INFO] running `Command { std: "docker" "start" "-a" "bbca1732b22131133adc452b4714ed45167e178ea796d7c2421c4d0d5717bcde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bbca1732b22131133adc452b4714ed45167e178ea796d7c2421c4d0d5717bcde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbca1732b22131133adc452b4714ed45167e178ea796d7c2421c4d0d5717bcde", kill_on_drop: false }` [INFO] [stdout] bbca1732b22131133adc452b4714ed45167e178ea796d7c2421c4d0d5717bcde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f2bd9aab113da3eb0901252403d5c9baff7dfbe8e94acb0326ba9b8015913e0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4f2bd9aab113da3eb0901252403d5c9baff7dfbe8e94acb0326ba9b8015913e0", kill_on_drop: false }` [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling datafrog v2.0.1 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling generational-arena v0.2.8 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling lark-debug-derive v0.1.0 [INFO] [stderr] Compiling derive-new v0.5.8 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling render-tree v0.1.1 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling language-reporting v0.3.1 [INFO] [stderr] Compiling lark-debug-with v0.1.0 [INFO] [stderr] Compiling lark-collections v0.1.0 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling lark-unify v0.1.0 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling lark-intern v0.1.0 [INFO] [stderr] Compiling salsa v0.9.2 [INFO] [stderr] Compiling lark-string v0.1.0 [INFO] [stderr] Compiling url_serde v0.2.0 [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] [stdout] warning: unused doc comment [INFO] [stdout] --> src/full_inference/perm.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | /// An intern'd permission. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Placeholder` [INFO] [stdout] --> src/full_inference/perm.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | Placeholder(Placeholder), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 55.59s [INFO] running `Command { std: "docker" "inspect" "4f2bd9aab113da3eb0901252403d5c9baff7dfbe8e94acb0326ba9b8015913e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f2bd9aab113da3eb0901252403d5c9baff7dfbe8e94acb0326ba9b8015913e0", kill_on_drop: false }` [INFO] [stdout] 4f2bd9aab113da3eb0901252403d5c9baff7dfbe8e94acb0326ba9b8015913e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3993d74afa62023d5ba231491d3875880d9d945b01c356a2d41cc69244fb8b2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d3993d74afa62023d5ba231491d3875880d9d945b01c356a2d41cc69244fb8b2", kill_on_drop: false }` [INFO] [stderr] Compiling lark-type-check v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/full_inference/perm.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | /// An intern'd permission. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Placeholder` [INFO] [stdout] --> src/full_inference/perm.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | Placeholder(Placeholder), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/full_inference/perm.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | /// An intern'd permission. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Placeholder` [INFO] [stdout] --> src/full_inference/perm.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | Placeholder(Placeholder), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.87s [INFO] running `Command { std: "docker" "inspect" "d3993d74afa62023d5ba231491d3875880d9d945b01c356a2d41cc69244fb8b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3993d74afa62023d5ba231491d3875880d9d945b01c356a2d41cc69244fb8b2", kill_on_drop: false }` [INFO] [stdout] d3993d74afa62023d5ba231491d3875880d9d945b01c356a2d41cc69244fb8b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 559c7624aca2029dc9daf767445b20fc73f80ce3929778ec3832992529124a74 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "559c7624aca2029dc9daf767445b20fc73f80ce3929778ec3832992529124a74", kill_on_drop: false }` [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 macro invocations [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/full_inference/perm.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | /// An intern'd permission. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations [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: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [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: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> src/lib.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lark_type_check-1f58279c11cb296c [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] [stderr] Doc-tests lark-type-check [INFO] [stderr] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(incomplete_features)]` on by default [INFO] [stderr] = note: see issue #31844 for more information [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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 `Command { std: "docker" "inspect" "559c7624aca2029dc9daf767445b20fc73f80ce3929778ec3832992529124a74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "559c7624aca2029dc9daf767445b20fc73f80ce3929778ec3832992529124a74", kill_on_drop: false }` [INFO] [stdout] 559c7624aca2029dc9daf767445b20fc73f80ce3929778ec3832992529124a74