[INFO] cloning repository https://github.com/Xuanwo/postman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xuanwo/postman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXuanwo%2Fpostman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXuanwo%2Fpostman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80ff3fdbb4e85441b0f02a75dacbf08b61f28453
[INFO] testing Xuanwo/postman against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXuanwo%2Fpostman" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xuanwo/postman on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Xuanwo/postman
[INFO] finished tweaking git repo https://github.com/Xuanwo/postman
[INFO] tweaked toml for git repo https://github.com/Xuanwo/postman written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Xuanwo/postman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed98416b8afc12e3837e6335c825a43b5dd64bcd8681bf20e8bacca3e7a96e39
[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" "ed98416b8afc12e3837e6335c825a43b5dd64bcd8681bf20e8bacca3e7a96e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed98416b8afc12e3837e6335c825a43b5dd64bcd8681bf20e8bacca3e7a96e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed98416b8afc12e3837e6335c825a43b5dd64bcd8681bf20e8bacca3e7a96e39", kill_on_drop: false }`
[INFO] [stdout] ed98416b8afc12e3837e6335c825a43b5dd64bcd8681bf20e8bacca3e7a96e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f963b71902684e862ba6666a494e5e50b74bf75b8405b8e7f63b9dcdf31fe957
[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" "f963b71902684e862ba6666a494e5e50b74bf75b8405b8e7f63b9dcdf31fe957", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling termcolor v1.1.1
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling sled v0.34.6
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling postman-pop3 v0.2.0 (/opt/rustwide/workdir/components/pop3)
[INFO] [stderr]    Compiling postman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `Write`
[INFO] [stdout]   --> src/main.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 | use std::fmt::{Display, Formatter, Write};
[INFO] [stdout]    |                ^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/main.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 | use anyhow::{Error, Result};
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/main.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 | use log::{debug, error, info, warn};
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sled::IVec`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use sled::IVec;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadHalf`, `WriteHalf`
[INFO] [stdout]   --> src/main.rs:42:60
[INFO] [stdout]    |
[INFO] [stdout] 42 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader, ReadHalf, WriteHalf};
[INFO] [stdout]    |                                                            ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::net::tcp::OwnedReadHalf`
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use tokio::net::tcp::OwnedReadHalf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 125 | /         loop {
[INFO] [stdout] 126 | |             self.limit_connections.acquire().await.forget();
[INFO] [stdout] 127 | |
[INFO] [stdout] 128 | |             let socket = self.accept().await?;
[INFO] [stdout] ...   |
[INFO] [stdout] 147 | |             });
[INFO] [stdout] 148 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 149 | 
[INFO] [stdout] 150 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | /         loop {
[INFO] [stdout] 189 | |             let s = read_line(&mut r).await?;
[INFO] [stdout] 190 | |             if s.is_empty() {
[INFO] [stdout] 191 | |                 continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 323 | |             w.write(resp.to_string()?.as_bytes()).await;
[INFO] [stdout] 324 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 325 | 
[INFO] [stdout] 326 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:181:14
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let (mut r, mut w) = self.connection.split();
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:198:31
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 Request::USER(v) => Response::USER("".to_string()),
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `auth`
[INFO] [stdout]    --> src/main.rs:308:26
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     Some(auth) => unimplemented!(),
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_auth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:318:32
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 Request::TOP { id, lines } => unimplemented!(),
[INFO] [stdout]     |                                ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]    --> src/main.rs:318:36
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 Request::TOP { id, lines } => unimplemented!(),
[INFO] [stdout]     |                                    ^^^^^ help: try ignoring the field: `lines: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `username`
[INFO] [stdout]    --> src/main.rs:319:33
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 Request::APOP { username, digest } => unimplemented!(),
[INFO] [stdout]     |                                 ^^^^^^^^ help: try ignoring the field: `username: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `digest`
[INFO] [stdout]    --> src/main.rs:319:43
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 Request::APOP { username, digest } => unimplemented!(),
[INFO] [stdout]     |                                           ^^^^^^ help: try ignoring the field: `digest: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_shutdown`
[INFO] [stdout]   --> src/shutdown.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub(crate) fn is_shutdown(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]   --> src/shutdown.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub(crate) async fn recv(&mut self) {
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |             w.write(resp.to_string()?.as_bytes()).await;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.59s
[INFO] running `Command { std: "docker" "inspect" "f963b71902684e862ba6666a494e5e50b74bf75b8405b8e7f63b9dcdf31fe957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f963b71902684e862ba6666a494e5e50b74bf75b8405b8e7f63b9dcdf31fe957", kill_on_drop: false }`
[INFO] [stdout] f963b71902684e862ba6666a494e5e50b74bf75b8405b8e7f63b9dcdf31fe957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 270a802c6b528fe9016ad131f625f77c2fe48e8e0e784558561a1b03bafdcb44
[INFO] running `Command { std: "docker" "start" "-a" "270a802c6b528fe9016ad131f625f77c2fe48e8e0e784558561a1b03bafdcb44", kill_on_drop: false }`
[INFO] [stderr]    Compiling postman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `Write`
[INFO] [stdout]   --> src/main.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 | use std::fmt::{Display, Formatter, Write};
[INFO] [stdout]    |                ^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/main.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 | use anyhow::{Error, Result};
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/main.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 40 | use log::{debug, error, info, warn};
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sled::IVec`
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use sled::IVec;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadHalf`, `WriteHalf`
[INFO] [stdout]   --> src/main.rs:42:60
[INFO] [stdout]    |
[INFO] [stdout] 42 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader, ReadHalf, WriteHalf};
[INFO] [stdout]    |                                                            ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::net::tcp::OwnedReadHalf`
[INFO] [stdout]   --> src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use tokio::net::tcp::OwnedReadHalf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]    --> src/main.rs:355:21
[INFO] [stdout]     |
[INFO] [stdout] 355 |     use std::path::{Path, PathBuf};
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 125 | /         loop {
[INFO] [stdout] 126 | |             self.limit_connections.acquire().await.forget();
[INFO] [stdout] 127 | |
[INFO] [stdout] 128 | |             let socket = self.accept().await?;
[INFO] [stdout] ...   |
[INFO] [stdout] 147 | |             });
[INFO] [stdout] 148 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 149 | 
[INFO] [stdout] 150 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 188 | /         loop {
[INFO] [stdout] 189 | |             let s = read_line(&mut r).await?;
[INFO] [stdout] 190 | |             if s.is_empty() {
[INFO] [stdout] 191 | |                 continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 323 | |             w.write(resp.to_string()?.as_bytes()).await;
[INFO] [stdout] 324 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 325 | 
[INFO] [stdout] 326 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:181:14
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let (mut r, mut w) = self.connection.split();
[INFO] [stdout]     |              ----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/main.rs:198:31
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 Request::USER(v) => Response::USER("".to_string()),
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `auth`
[INFO] [stdout]    --> src/main.rs:308:26
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     Some(auth) => unimplemented!(),
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_auth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/main.rs:318:32
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 Request::TOP { id, lines } => unimplemented!(),
[INFO] [stdout]     |                                ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]    --> src/main.rs:318:36
[INFO] [stdout]     |
[INFO] [stdout] 318 |                 Request::TOP { id, lines } => unimplemented!(),
[INFO] [stdout]     |                                    ^^^^^ help: try ignoring the field: `lines: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `username`
[INFO] [stdout]    --> src/main.rs:319:33
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 Request::APOP { username, digest } => unimplemented!(),
[INFO] [stdout]     |                                 ^^^^^^^^ help: try ignoring the field: `username: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `digest`
[INFO] [stdout]    --> src/main.rs:319:43
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 Request::APOP { username, digest } => unimplemented!(),
[INFO] [stdout]     |                                           ^^^^^^ help: try ignoring the field: `digest: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_shutdown`
[INFO] [stdout]   --> src/shutdown.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub(crate) fn is_shutdown(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]   --> src/shutdown.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub(crate) async fn recv(&mut self) {
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |             w.write(resp.to_string()?.as_bytes()).await;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "270a802c6b528fe9016ad131f625f77c2fe48e8e0e784558561a1b03bafdcb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270a802c6b528fe9016ad131f625f77c2fe48e8e0e784558561a1b03bafdcb44", kill_on_drop: false }`
[INFO] [stdout] 270a802c6b528fe9016ad131f625f77c2fe48e8e0e784558561a1b03bafdcb44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cec92a43161e17d9686cedcd9fd483deedeabf50eafa1f0ee6ec7d18657aa42
[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" "6cec92a43161e17d9686cedcd9fd483deedeabf50eafa1f0ee6ec7d18657aa42", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use std::borrow::BorrowMut;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`, `Write`
[INFO] [stderr]   --> src/main.rs:33:16
[INFO] [stderr]    |
[INFO] [stderr] 33 | use std::fmt::{Display, Formatter, Write};
[INFO] [stderr]    |                ^^^^^^^  ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]   --> src/main.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 | use anyhow::{Error, Result};
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `warn`
[INFO] [stderr]   --> src/main.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 | use log::{debug, error, info, warn};
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sled::IVec`
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | use sled::IVec;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ReadHalf`, `WriteHalf`
[INFO] [stderr]   --> src/main.rs:42:60
[INFO] [stderr]    |
[INFO] [stderr] 42 | use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader, ReadHalf, WriteHalf};
[INFO] [stderr]    |                                                            ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::net::tcp::OwnedReadHalf`
[INFO] [stderr]   --> src/main.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | use tokio::net::tcp::OwnedReadHalf;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]    --> src/main.rs:355:21
[INFO] [stderr]     |
[INFO] [stderr] 355 |     use std::path::{Path, PathBuf};
[INFO] [stderr]     |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 125 | /         loop {
[INFO] [stderr] 126 | |             self.limit_connections.acquire().await.forget();
[INFO] [stderr] 127 | |
[INFO] [stderr] 128 | |             let socket = self.accept().await?;
[INFO] [stderr] ...   |
[INFO] [stderr] 147 | |             });
[INFO] [stderr] 148 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 149 | 
[INFO] [stderr] 150 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 188 | /         loop {
[INFO] [stderr] 189 | |             let s = read_line(&mut r).await?;
[INFO] [stderr] 190 | |             if s.is_empty() {
[INFO] [stderr] 191 | |                 continue;
[INFO] [stderr] ...   |
[INFO] [stderr] 323 | |             w.write(resp.to_string()?.as_bytes()).await;
[INFO] [stderr] 324 | |         }
[INFO] [stderr]     | |_________- any code following this expression is unreachable
[INFO] [stderr] 325 | 
[INFO] [stderr] 326 |           Ok(())
[INFO] [stderr]     |           ^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:181:14
[INFO] [stderr]     |
[INFO] [stderr] 181 |         let (mut r, mut w) = self.connection.split();
[INFO] [stderr]     |              ----^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/main.rs:198:31
[INFO] [stderr]     |
[INFO] [stderr] 198 |                 Request::USER(v) => Response::USER("".to_string()),
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `auth`
[INFO] [stderr]    --> src/main.rs:308:26
[INFO] [stderr]     |
[INFO] [stderr] 308 |                     Some(auth) => unimplemented!(),
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_auth`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/main.rs:318:32
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 Request::TOP { id, lines } => unimplemented!(),
[INFO] [stderr]     |                                ^^ help: try ignoring the field: `id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lines`
[INFO] [stderr]    --> src/main.rs:318:36
[INFO] [stderr]     |
[INFO] [stderr] 318 |                 Request::TOP { id, lines } => unimplemented!(),
[INFO] [stderr]     |                                    ^^^^^ help: try ignoring the field: `lines: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `username`
[INFO] [stderr]    --> src/main.rs:319:33
[INFO] [stderr]     |
[INFO] [stderr] 319 |                 Request::APOP { username, digest } => unimplemented!(),
[INFO] [stderr]     |                                 ^^^^^^^^ help: try ignoring the field: `username: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `digest`
[INFO] [stderr]    --> src/main.rs:319:43
[INFO] [stderr]     |
[INFO] [stderr] 319 |                 Request::APOP { username, digest } => unimplemented!(),
[INFO] [stderr]     |                                           ^^^^^^ help: try ignoring the field: `digest: _`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_shutdown`
[INFO] [stderr]   --> src/shutdown.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub(crate) fn is_shutdown(&self) -> bool {
[INFO] [stderr]    |                   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `recv`
[INFO] [stderr]   --> src/shutdown.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub(crate) async fn recv(&mut self) {
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:323:13
[INFO] [stderr]     |
[INFO] [stderr] 323 |             w.write(resp.to_string()?.as_bytes()).await;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/postman-27cc89d467a92bb1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] [2021-08-07T23:38:28Z INFO  postman] postman pop3 server is running
[INFO] [stdout] test test::debug_run has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6cec92a43161e17d9686cedcd9fd483deedeabf50eafa1f0ee6ec7d18657aa42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cec92a43161e17d9686cedcd9fd483deedeabf50eafa1f0ee6ec7d18657aa42", kill_on_drop: false }`
[INFO] [stdout] 6cec92a43161e17d9686cedcd9fd483deedeabf50eafa1f0ee6ec7d18657aa42
