[INFO] fetching crate ref-kman 0.0.2...
[INFO] checking ref-kman-0.0.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate ref-kman 0.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ref-kman 0.0.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ref-kman 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ref-kman 0.0.2
[INFO] tweaked toml for crates.io crate ref-kman 0.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ref-kman 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d2bf5133395eafbf8b1715a33fc9e66f7c3a2a068ce251d4392616a5ca8d7a9
[INFO] running `Command { std: "docker" "start" "-a" "0d2bf5133395eafbf8b1715a33fc9e66f7c3a2a068ce251d4392616a5ca8d7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d2bf5133395eafbf8b1715a33fc9e66f7c3a2a068ce251d4392616a5ca8d7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2bf5133395eafbf8b1715a33fc9e66f7c3a2a068ce251d4392616a5ca8d7a9", kill_on_drop: false }`
[INFO] [stdout] 0d2bf5133395eafbf8b1715a33fc9e66f7c3a2a068ce251d4392616a5ca8d7a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d5f3d1cdc5d6aa93ca0bba09c8bdb13766c5026e1c470f2b8340a423211875b
[INFO] running `Command { std: "docker" "start" "-a" "5d5f3d1cdc5d6aa93ca0bba09c8bdb13766c5026e1c470f2b8340a423211875b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking atomic-wait v1.0.1
[INFO] [stderr]     Checking ref-kman v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> examples/with_closure.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |       /// in this scope can be modificated
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 | /     data.mut_scope(|data| {
[INFO] [stdout] 8 | |         *data = 21;
[INFO] [stdout] 9 | |     });
[INFO] [stdout]   | |______- rustdoc does not generate documentation for expressions
[INFO] [stdout]   |
[INFO] [stdout]   = help: use `//` for a plain comment
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/with_closure.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     /// if you want to move a variabile to closure you need to make a other variabile a reference and put that
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     let tmp_a = &a;
[INFO] [stdout]    |     --------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/with_closure.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |       ///move is to move the tmp_a to closure, this is why you dont want to move the original value because will be droped when closure ends!
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | /     data.mut_scope(move |data| {
[INFO] [stdout] 19 | |         let a = tmp_a;
[INFO] [stdout] 20 | |         *data = *a;
[INFO] [stdout] 21 | |     });
[INFO] [stdout]    | |______- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "5d5f3d1cdc5d6aa93ca0bba09c8bdb13766c5026e1c470f2b8340a423211875b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5f3d1cdc5d6aa93ca0bba09c8bdb13766c5026e1c470f2b8340a423211875b", kill_on_drop: false }`
[INFO] [stdout] 5d5f3d1cdc5d6aa93ca0bba09c8bdb13766c5026e1c470f2b8340a423211875b