[INFO] fetching crate unic-bidi 0.9.0...
[INFO] checking unic-bidi-0.9.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate unic-bidi 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate unic-bidi 0.9.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unic-bidi 0.9.0
[INFO] finished tweaking crates.io crate unic-bidi 0.9.0
[INFO] tweaked toml for crates.io crate unic-bidi 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c98bd9a095d0cd82b37c1c4324b0b56d79514b5b939be86303783de816b0bfe
[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" "1c98bd9a095d0cd82b37c1c4324b0b56d79514b5b939be86303783de816b0bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c98bd9a095d0cd82b37c1c4324b0b56d79514b5b939be86303783de816b0bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c98bd9a095d0cd82b37c1c4324b0b56d79514b5b939be86303783de816b0bfe", kill_on_drop: false }`
[INFO] [stdout] 1c98bd9a095d0cd82b37c1c4324b0b56d79514b5b939be86303783de816b0bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 711d9ebb9b70bbb01fb29049af830e6fb9b3c1f0426bba04ef142f2cfc18f0f2
[INFO] running `Command { std: "docker" "start" "-a" "711d9ebb9b70bbb01fb29049af830e6fb9b3c1f0426bba04ef142f2cfc18f0f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.121
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking unic-bidi v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.121
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/bidi_info.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         /// Bidi_Class: L L L B L L L B L L L
[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: unused doc comment
[INFO] [stdout]    --> src/bidi_info.rs:626:9
[INFO] [stdout]     |
[INFO] [stdout] 626 |         /// Bidi_Class: L L EN B L L EN B L L EN
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[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: unused doc comment
[INFO] [stdout]    --> src/bidi_info.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 632 |         /// Bidi_Class: L L L B AL AL AL
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[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: unused doc comment
[INFO] [stdout]    --> src/bidi_info.rs:635:9
[INFO] [stdout]     |
[INFO] [stdout] 635 |         /// Bidi_Class: AL AL AL B L L L
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "711d9ebb9b70bbb01fb29049af830e6fb9b3c1f0426bba04ef142f2cfc18f0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711d9ebb9b70bbb01fb29049af830e6fb9b3c1f0426bba04ef142f2cfc18f0f2", kill_on_drop: false }`
[INFO] [stdout] 711d9ebb9b70bbb01fb29049af830e6fb9b3c1f0426bba04ef142f2cfc18f0f2