[INFO] cloning repository https://github.com/chasent/IronSMTP [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chasent/IronSMTP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasent%2FIronSMTP", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasent%2FIronSMTP'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c2e3c19b848d020ebbe341afcbe2f6d6431adc3 [INFO] checking chasent/IronSMTP against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasent%2FIronSMTP" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chasent/IronSMTP on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chasent/IronSMTP [INFO] finished tweaking git repo https://github.com/chasent/IronSMTP [INFO] tweaked toml for git repo https://github.com/chasent/IronSMTP written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/chasent/IronSMTP already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b2f3254a7d90d77347aca97ddc0328c0777ba5c46f0979bef6d3a26a08d2b95 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8b2f3254a7d90d77347aca97ddc0328c0777ba5c46f0979bef6d3a26a08d2b95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b2f3254a7d90d77347aca97ddc0328c0777ba5c46f0979bef6d3a26a08d2b95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b2f3254a7d90d77347aca97ddc0328c0777ba5c46f0979bef6d3a26a08d2b95", kill_on_drop: false }` [INFO] [stdout] 8b2f3254a7d90d77347aca97ddc0328c0777ba5c46f0979bef6d3a26a08d2b95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9799f562277a0bb98b14625595b602e1417213a0a842deaf93b9c7fbc857822a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9799f562277a0bb98b14625595b602e1417213a0a842deaf93b9c7fbc857822a", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking futures v0.1.24 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking lazycell v1.1.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking lock_api v0.1.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking nom v4.1.1 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-executor v0.1.4 [INFO] [stderr] Checking tokio-io v0.1.8 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-threadpool v0.1.6 [INFO] [stderr] Checking tokio-current-thread v0.1.1 [INFO] [stderr] Checking tokio-timer v0.2.6 [INFO] [stderr] Checking tokio-reactor v0.1.5 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-fs v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.1 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.1 [INFO] [stderr] Checking tokio v0.1.8 [INFO] [stderr] Checking rsmtp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:103:1 [INFO] [stdout] | [INFO] [stdout] 103 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/main.rs:108:18 [INFO] [stdout] | [INFO] [stdout] 108 | use tokio::net::{TcpStream, TcpListener}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude` [INFO] [stdout] --> src/main.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | use tokio::prelude; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Either`, `FutureResult`, `ok`, `self` [INFO] [stdout] --> src/main.rs:112:23 [INFO] [stdout] | [INFO] [stdout] 112 | use futures::future::{self, Either, ok, loop_fn, Future, FutureResult, Loop}; [INFO] [stdout] | ^^^^ ^^^^^^ ^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:116:48 [INFO] [stdout] | [INFO] [stdout] 116 | fn handle_connecting(state: Connecting) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:128:46 [INFO] [stdout] | [INFO] [stdout] 128 | fn handle_connected(state: Connected) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:103:1 [INFO] [stdout] | [INFO] [stdout] 103 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/main.rs:108:18 [INFO] [stdout] | [INFO] [stdout] 108 | use tokio::net::{TcpStream, TcpListener}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude` [INFO] [stdout] --> src/main.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | use tokio::prelude; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Either`, `FutureResult`, `ok`, `self` [INFO] [stdout] --> src/main.rs:112:23 [INFO] [stdout] | [INFO] [stdout] 112 | use futures::future::{self, Either, ok, loop_fn, Future, FutureResult, Loop}; [INFO] [stdout] | ^^^^ ^^^^^^ ^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:116:48 [INFO] [stdout] | [INFO] [stdout] 116 | fn handle_connecting(state: Connecting) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:128:46 [INFO] [stdout] | [INFO] [stdout] 128 | fn handle_connected(state: Connected) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SessionStarted` [INFO] [stdout] --> src/smtp_interface.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | SessionStarted(SessionStarted), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TransactionStarted` [INFO] [stdout] --> src/smtp_interface.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | TransactionStarted(TransactionStarted), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TransactionReady` [INFO] [stdout] --> src/smtp_interface.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | TransactionReady(TransactionReady), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DataMode` [INFO] [stdout] --> src/smtp_interface.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | DataMode(DataMode), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `disconnect` [INFO] [stdout] --> src/main.rs:152:4 [INFO] [stdout] | [INFO] [stdout] 152 | fn disconnect(state: Disconnected) -> impl Future { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `from_hex` [INFO] [stdout] --> src/main.rs:535:4 [INFO] [stdout] | [INFO] [stdout] 535 | fn from_hex(input: &str) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_hex_digit` [INFO] [stdout] --> src/main.rs:539:4 [INFO] [stdout] | [INFO] [stdout] 539 | fn is_hex_digit(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:569:27 [INFO] [stdout] | [INFO] [stdout] 569 | reverse_path: "" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected struct `String`, found `&str` [INFO] [stdout] | help: try using a conversion method: `"".to_string()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rsmtp` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "9799f562277a0bb98b14625595b602e1417213a0a842deaf93b9c7fbc857822a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9799f562277a0bb98b14625595b602e1417213a0a842deaf93b9c7fbc857822a", kill_on_drop: false }` [INFO] [stdout] 9799f562277a0bb98b14625595b602e1417213a0a842deaf93b9c7fbc857822a