[INFO] fetching crate vsmtp-mail-parser 2.2.1...
[INFO] checking vsmtp-mail-parser-2.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate vsmtp-mail-parser 2.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate vsmtp-mail-parser 2.2.1 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 vsmtp-mail-parser 2.2.1
[INFO] finished tweaking crates.io crate vsmtp-mail-parser 2.2.1
[INFO] tweaked toml for crates.io crate vsmtp-mail-parser 2.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 90e49bc553853d043e8164910e66dee15a342d85e5d4fcb9b019870b2f7373da
[INFO] running `Command { std: "docker" "start" "-a" "90e49bc553853d043e8164910e66dee15a342d85e5d4fcb9b019870b2f7373da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e49bc553853d043e8164910e66dee15a342d85e5d4fcb9b019870b2f7373da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e49bc553853d043e8164910e66dee15a342d85e5d4fcb9b019870b2f7373da", kill_on_drop: false }`
[INFO] [stdout] 90e49bc553853d043e8164910e66dee15a342d85e5d4fcb9b019870b2f7373da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 76532bb471339f00c7a8a1366fa88bca8d51646f6637b031d9796ce32ff48ab3
[INFO] running `Command { std: "docker" "start" "-a" "76532bb471339f00c7a8a1366fa88bca8d51646f6637b031d9796ce32ff48ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking vsmtp-mail-parser v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub mod tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![deny(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 `vsmtp-mail-parser` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "76532bb471339f00c7a8a1366fa88bca8d51646f6637b031d9796ce32ff48ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76532bb471339f00c7a8a1366fa88bca8d51646f6637b031d9796ce32ff48ab3", kill_on_drop: false }`
[INFO] [stdout] 76532bb471339f00c7a8a1366fa88bca8d51646f6637b031d9796ce32ff48ab3