[INFO] fetching crate async-smtp 0.9.1...
[INFO] checking async-smtp-0.9.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate async-smtp 0.9.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate async-smtp 0.9.1 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 async-smtp 0.9.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-smtp 0.9.1
[INFO] tweaked toml for crates.io crate async-smtp 0.9.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate async-smtp 0.9.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 86e981fd88d2a9b4483adbb2d3c9d06e808420f07850b582ad3cfb8f3eed3c20
[INFO] running `Command { std: "docker" "start" "-a" "86e981fd88d2a9b4483adbb2d3c9d06e808420f07850b582ad3cfb8f3eed3c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e981fd88d2a9b4483adbb2d3c9d06e808420f07850b582ad3cfb8f3eed3c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e981fd88d2a9b4483adbb2d3c9d06e808420f07850b582ad3cfb8f3eed3c20", kill_on_drop: false }`
[INFO] [stdout] 86e981fd88d2a9b4483adbb2d3c9d06e808420f07850b582ad3cfb8f3eed3c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b6818da1ebbb14bbb95f2aade828567c16a7d903c2ac781f92755a51145794d1
[INFO] running `Command { std: "docker" "start" "-a" "b6818da1ebbb14bbb95f2aade828567c16a7d903c2ac781f92755a51145794d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
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[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v1.8.1
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[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking async-smtp v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing documentation for a macro
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | macro_rules! async_test {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     missing_docs,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-smtp` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b6818da1ebbb14bbb95f2aade828567c16a7d903c2ac781f92755a51145794d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6818da1ebbb14bbb95f2aade828567c16a7d903c2ac781f92755a51145794d1", kill_on_drop: false }`
[INFO] [stdout] b6818da1ebbb14bbb95f2aade828567c16a7d903c2ac781f92755a51145794d1