[INFO] fetching crate rs-smtp 1.0.1... [INFO] checking rs-smtp-1.0.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate rs-smtp 1.0.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate rs-smtp 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 rs-smtp 1.0.1 [INFO] finished tweaking crates.io crate rs-smtp 1.0.1 [INFO] tweaked toml for crates.io crate rs-smtp 1.0.1 written to /workspace/builds/worker-4-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 87 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.21.7 (available: v0.22.1) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding ring v0.16.20 (available: v0.17.8) [INFO] [stderr] Adding rustls v0.20.9 (available: v0.23.13) [INFO] [stderr] Adding spin v0.5.2 (available: v0.9.8) [INFO] [stderr] Adding tokio-rustls v0.23.4 (available: v0.26.0) [INFO] [stderr] Adding untrusted v0.7.1 (available: v0.9.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 320d04fd370c93d98a6ec85a70b7f66a80a244860f9582a7bf906ac1aae2bcec [INFO] running `Command { std: "docker" "start" "-a" "320d04fd370c93d98a6ec85a70b7f66a80a244860f9582a7bf906ac1aae2bcec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "320d04fd370c93d98a6ec85a70b7f66a80a244860f9582a7bf906ac1aae2bcec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "320d04fd370c93d98a6ec85a70b7f66a80a244860f9582a7bf906ac1aae2bcec", kill_on_drop: false }` [INFO] [stdout] 320d04fd370c93d98a6ec85a70b7f66a80a244860f9582a7bf906ac1aae2bcec [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a154f097cc477f2402a7e0f441fa4b84b76b54000833f06c0a0adb3d5d925b56 [INFO] running `Command { std: "docker" "start" "-a" "a154f097cc477f2402a7e0f441fa4b84b76b54000833f06c0a0adb3d5d925b56", kill_on_drop: false }` [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking ring v0.17.8 [INFO] [stderr] Compiling rustls v0.20.9 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking ring v0.16.20 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking sct v0.7.1 [INFO] [stderr] Checking webpki v0.22.4 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-rustls v0.23.4 [INFO] [stderr] Checking rs-smtp v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `future::Future` [INFO] [stdout] --> src/data.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{pin::Pin, future::Future, task::Poll, io::{ErrorKind, Error}}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `future::Future` [INFO] [stdout] --> src/data.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{pin::Pin, future::Future, task::Poll, io::{ErrorKind, Error}}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/data.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::io::{self, AsyncRead, AsyncBufReadExt, AsyncBufRead, BufReader}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/data.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::io::{self, AsyncRead, AsyncBufReadExt, AsyncBufRead, BufReader}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `enhanced_code` is never read [INFO] [stdout] --> src/data.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct SMTPError { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 8 | code: u16, [INFO] [stdout] 9 | enhanced_code: EnhancedCode, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `enhanced_code` is never read [INFO] [stdout] --> src/data.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct SMTPError { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 8 | code: u16, [INFO] [stdout] 9 | enhanced_code: EnhancedCode, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `err_data_too_large`, `err_auth_required`, `err_auth_unsupported`, `error`, and `is_temporary` are never used [INFO] [stdout] --> src/data.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl SMTPError { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 35 | pub fn err_data_too_large() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn err_auth_required() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn err_auth_unsupported() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn error(&self) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn is_temporary(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `err_data_too_large`, `err_auth_required`, `err_auth_unsupported`, `error`, and `is_temporary` are never used [INFO] [stdout] --> src/data.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl SMTPError { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 35 | pub fn err_data_too_large() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn err_auth_required() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn err_auth_unsupported() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn error(&self) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn is_temporary(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ERR_TOO_LONG_LINE` is never used [INFO] [stdout] --> src/lengthlimit_reader.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const ERR_TOO_LONG_LINE: &str = "smtp: too long a line in input stream"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LineLimitReader` is never constructed [INFO] [stdout] --> src/lengthlimit_reader.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct LineLimitReader { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ERR_TOO_LONG_LINE` is never used [INFO] [stdout] --> src/lengthlimit_reader.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | const ERR_TOO_LONG_LINE: &str = "smtp: too long a line in input stream"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LineLimitReader` is never constructed [INFO] [stdout] --> src/lengthlimit_reader.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct LineLimitReader { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `read` are never used [INFO] [stdout] --> src/lengthlimit_reader.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl LineLimitReader { [INFO] [stdout] | --------------------------------------------- associated items in this implementation [INFO] [stdout] 14 | pub fn new(r: R, line_limit: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | async fn read(&mut self, b: &mut [u8]) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `read` are never used [INFO] [stdout] --> src/lengthlimit_reader.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl LineLimitReader { [INFO] [stdout] | --------------------------------------------- associated items in this implementation [INFO] [stdout] 14 | pub fn new(r: R, line_limit: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | async fn read(&mut self, b: &mut [u8]) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.77s [INFO] running `Command { std: "docker" "inspect" "a154f097cc477f2402a7e0f441fa4b84b76b54000833f06c0a0adb3d5d925b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a154f097cc477f2402a7e0f441fa4b84b76b54000833f06c0a0adb3d5d925b56", kill_on_drop: false }` [INFO] [stdout] a154f097cc477f2402a7e0f441fa4b84b76b54000833f06c0a0adb3d5d925b56