[INFO] fetching crate simpleml 1.0.1...
[INFO] checking simpleml-1.0.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate simpleml 1.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate simpleml 1.0.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simpleml 1.0.1
[INFO] finished tweaking crates.io crate simpleml 1.0.1
[INFO] tweaked toml for crates.io crate simpleml 1.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b4a1673dd5fca8e5bea5798b6ec00b84242e123b86afb90ddd5c3d87c2289e2
[INFO] running `Command { std: "docker" "start" "-a" "5b4a1673dd5fca8e5bea5798b6ec00b84242e123b86afb90ddd5c3d87c2289e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4a1673dd5fca8e5bea5798b6ec00b84242e123b86afb90ddd5c3d87c2289e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4a1673dd5fca8e5bea5798b6ec00b84242e123b86afb90ddd5c3d87c2289e2", kill_on_drop: false }`
[INFO] [stdout] 5b4a1673dd5fca8e5bea5798b6ec00b84242e123b86afb90ddd5c3d87c2289e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d4a72607cda7dcb51c686e28ae012798a16a041037f42e278d3bef0243c55fb
[INFO] running `Command { std: "docker" "start" "-a" "1d4a72607cda7dcb51c686e28ae012798a16a041037f42e278d3bef0243c55fb", kill_on_drop: false }`
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking whitespacesv v1.0.2
[INFO] [stderr]     Checking tree_iterators_rs v1.2.1
[INFO] [stderr]     Checking simpleml v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:870:9
[INFO] [stdout]     |
[INFO] [stdout] 870 | /         /// Result:
[INFO] [stdout] 871 | |         /// Configuration
[INFO] [stdout] 872 | |         ///         Video
[INFO] [stdout] 873 | |         ///                  Resolution 1280 720
[INFO] [stdout] ...   |
[INFO] [stdout] 883 | |         ///         my_custom_end_keyword
[INFO] [stdout] 884 | |         /// my_custom_end_keyword
[INFO] [stdout]     | |_________------------------------^
[INFO] [stdout]     |           |
[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]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "1d4a72607cda7dcb51c686e28ae012798a16a041037f42e278d3bef0243c55fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4a72607cda7dcb51c686e28ae012798a16a041037f42e278d3bef0243c55fb", kill_on_drop: false }`
[INFO] [stdout] 1d4a72607cda7dcb51c686e28ae012798a16a041037f42e278d3bef0243c55fb