[INFO] cloning repository https://github.com/WataNekko/mailr-nal [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WataNekko/mailr-nal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWataNekko%2Fmailr-nal", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWataNekko%2Fmailr-nal'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 641ea3cbd8910d12b8652a6d2f4b0d4a4031c2b2 [INFO] checking WataNekko/mailr-nal against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWataNekko%2Fmailr-nal" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/WataNekko/mailr-nal on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/WataNekko/mailr-nal [INFO] finished tweaking git repo https://github.com/WataNekko/mailr-nal [INFO] tweaked toml for git repo https://github.com/WataNekko/mailr-nal written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/WataNekko/mailr-nal 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded embedded-nal v0.8.0 [INFO] [stderr] Downloaded std-embedded-nal v0.3.0 [INFO] [stderr] Downloaded no-std-net v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb047fb5d5e1f8084a25d769d82cea078c8da89eef588a305e9ae8d618a7f394 [INFO] running `Command { std: "docker" "start" "-a" "eb047fb5d5e1f8084a25d769d82cea078c8da89eef588a305e9ae8d618a7f394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb047fb5d5e1f8084a25d769d82cea078c8da89eef588a305e9ae8d618a7f394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb047fb5d5e1f8084a25d769d82cea078c8da89eef588a305e9ae8d618a7f394", kill_on_drop: false }` [INFO] [stdout] eb047fb5d5e1f8084a25d769d82cea078c8da89eef588a305e9ae8d618a7f394 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36dc7c4064345454699c5198cb1966b5f0b578bbf716e0b00b19d74ae794e2f8 [INFO] running `Command { std: "docker" "start" "-a" "36dc7c4064345454699c5198cb1966b5f0b578bbf716e0b00b19d74ae794e2f8", kill_on_drop: false }` [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Checking embedded-nal v0.8.0 [INFO] [stderr] Checking std-embedded-nal v0.3.0 [INFO] [stderr] Checking mailr-nal v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `auth` [INFO] [stdout] --> src/smtp/mod.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | auth, [INFO] [stdout] | ^^^^ help: try ignoring the field: `auth: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stream` and `buf` are never read [INFO] [stdout] --> src/smtp/mod.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 126 | pub struct SmtpClientSession<'a, T> [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | stream: TcpStream<'a, T>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 131 | buf: &'a [u8], [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `text` is never read [INFO] [stdout] --> src/smtp/response.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 85 | struct ReplyLine<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 86 | code: &'a [u8], [INFO] [stdout] 87 | text: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `write_to_buffer`, and `write` are never used [INFO] [stdout] --> src/io/write.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 29 | / impl<'a, W> BufWriter<'a, W> [INFO] [stdout] 30 | | where [INFO] [stdout] 31 | | W: Write, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] 32 | { [INFO] [stdout] 33 | pub fn new(writer: &'a mut W, buffer: &'a mut [u8]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn write_to_buffer(&mut self, data: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn write(&mut self, data: &[u8]) -> Result<(), W::Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `close` is never used [INFO] [stdout] --> src/io/stream.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 15 | / impl<'a, T> TcpStream<'a, T> [INFO] [stdout] 16 | | where [INFO] [stdout] 17 | | T: TcpClientStack + 'a, [INFO] [stdout] | |___________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn close(self) -> Result<(), T::Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `poll` and `block` are never used [INFO] [stdout] --> src/nb_fut.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait NbFuture { [INFO] [stdout] | -------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 7 | fn poll(&mut self) -> nb::Result; [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | fn block(mut self) -> Result [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `auth` [INFO] [stdout] --> src/smtp/mod.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | auth, [INFO] [stdout] | ^^^^ help: try ignoring the field: `auth: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stream` and `buf` are never read [INFO] [stdout] --> src/smtp/mod.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 126 | pub struct SmtpClientSession<'a, T> [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | stream: TcpStream<'a, T>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 131 | buf: &'a [u8], [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `text` is never read [INFO] [stdout] --> src/smtp/response.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 85 | struct ReplyLine<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 86 | code: &'a [u8], [INFO] [stdout] 87 | text: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `write_to_buffer`, and `write` are never used [INFO] [stdout] --> src/io/write.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 29 | / impl<'a, W> BufWriter<'a, W> [INFO] [stdout] 30 | | where [INFO] [stdout] 31 | | W: Write, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] 32 | { [INFO] [stdout] 33 | pub fn new(writer: &'a mut W, buffer: &'a mut [u8]) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn write_to_buffer(&mut self, data: &[u8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn write(&mut self, data: &[u8]) -> Result<(), W::Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `close` is never used [INFO] [stdout] --> src/io/stream.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 15 | / impl<'a, T> TcpStream<'a, T> [INFO] [stdout] 16 | | where [INFO] [stdout] 17 | | T: TcpClientStack + 'a, [INFO] [stdout] | |___________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn close(self) -> Result<(), T::Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "36dc7c4064345454699c5198cb1966b5f0b578bbf716e0b00b19d74ae794e2f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36dc7c4064345454699c5198cb1966b5f0b578bbf716e0b00b19d74ae794e2f8", kill_on_drop: false }` [INFO] [stdout] 36dc7c4064345454699c5198cb1966b5f0b578bbf716e0b00b19d74ae794e2f8