[INFO] cloning repository https://github.com/jeremybobbin/jer-ft [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremybobbin/jer-ft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fjer-ft", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fjer-ft'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6aa978c97e8432067217861c62929a5950bce82 [INFO] testing jeremybobbin/jer-ft against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fjer-ft" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeremybobbin/jer-ft on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jeremybobbin/jer-ft [INFO] finished tweaking git repo https://github.com/jeremybobbin/jer-ft [INFO] tweaked toml for git repo https://github.com/jeremybobbin/jer-ft written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/jeremybobbin/jer-ft already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 687dc09648559a8fa3601b312e87c42fddd65968b5fca2795724b18ef6f9f8aa [INFO] running `Command { std: "docker" "start" "-a" "687dc09648559a8fa3601b312e87c42fddd65968b5fca2795724b18ef6f9f8aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "687dc09648559a8fa3601b312e87c42fddd65968b5fca2795724b18ef6f9f8aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "687dc09648559a8fa3601b312e87c42fddd65968b5fca2795724b18ef6f9f8aa", kill_on_drop: false }` [INFO] [stdout] 687dc09648559a8fa3601b312e87c42fddd65968b5fca2795724b18ef6f9f8aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2f48e0eee044ee549642c8441470f1c4800154c9118c0efbb33e89a16a4bb48 [INFO] running `Command { std: "docker" "start" "-a" "c2f48e0eee044ee549642c8441470f1c4800154c9118c0efbb33e89a16a4bb48", kill_on_drop: false }` [INFO] [stderr] Compiling jerft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufReader`, `JoinHandle`, `TcpListener`, `mpsc`, `self` [INFO] [stdout] --> src/bin/recv.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | TcpListener, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | BufReader [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | mpsc, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JoinHandle`, `TcpStream`, `self` [INFO] [stdout] --> src/bin/listen.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | TcpStream [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut file1 = Arc::new(Mutex::new(file)); [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let mut file2 = Arc::clone(&file1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t1` [INFO] [stdout] --> src/bin/listen.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let t1 = thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t2` [INFO] [stdout] --> src/bin/listen.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let t2 = thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | file.write(&mut buf); [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: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | t1.join(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | t2.join(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "c2f48e0eee044ee549642c8441470f1c4800154c9118c0efbb33e89a16a4bb48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2f48e0eee044ee549642c8441470f1c4800154c9118c0efbb33e89a16a4bb48", kill_on_drop: false }` [INFO] [stdout] c2f48e0eee044ee549642c8441470f1c4800154c9118c0efbb33e89a16a4bb48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d51dfd61d6a8b50227e4a8e089c2577ed73fe0b3696b4a5d63f9c7cc76dcfc3 [INFO] running `Command { std: "docker" "start" "-a" "5d51dfd61d6a8b50227e4a8e089c2577ed73fe0b3696b4a5d63f9c7cc76dcfc3", kill_on_drop: false }` [INFO] [stderr] Compiling jerft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufReader`, `JoinHandle`, `TcpListener`, `mpsc`, `self` [INFO] [stdout] --> src/bin/recv.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | TcpListener, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | BufReader [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | mpsc, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JoinHandle`, `TcpStream`, `self` [INFO] [stdout] --> src/bin/listen.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | TcpStream [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut file1 = Arc::new(Mutex::new(file)); [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let mut file2 = Arc::clone(&file1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | file.write(&mut buf); [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: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | t1.join(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | t2.join(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t1` [INFO] [stdout] --> src/bin/listen.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let t1 = thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t2` [INFO] [stdout] --> src/bin/listen.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let t2 = thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "5d51dfd61d6a8b50227e4a8e089c2577ed73fe0b3696b4a5d63f9c7cc76dcfc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d51dfd61d6a8b50227e4a8e089c2577ed73fe0b3696b4a5d63f9c7cc76dcfc3", kill_on_drop: false }` [INFO] [stdout] 5d51dfd61d6a8b50227e4a8e089c2577ed73fe0b3696b4a5d63f9c7cc76dcfc3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 12f138e9d5ee4fdabd9da5c0cb0ec15b96ccaaaa962b793651542d5a6474f0bf [INFO] running `Command { std: "docker" "start" "-a" "12f138e9d5ee4fdabd9da5c0cb0ec15b96ccaaaa962b793651542d5a6474f0bf", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `JoinHandle`, `TcpStream`, `self` [INFO] [stderr] --> src/bin/listen.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 8 | TcpStream [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 23 | JoinHandle [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t1` [INFO] [stderr] --> src/bin/listen.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let t1 = thread::spawn(move || { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_t1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t2` [INFO] [stderr] --> src/bin/listen.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | let t2 = thread::spawn(move || { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_t2` [INFO] [stderr] [INFO] [stderr] warning: `jerft` (bin "listen" test) generated 3 warnings [INFO] [stderr] warning: unused imports: `BufReader`, `JoinHandle`, `TcpListener`, `mpsc`, `self` [INFO] [stderr] --> src/bin/recv.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | self, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 7 | TcpListener, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 14 | BufReader [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 17 | mpsc, [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 23 | JoinHandle [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/recv.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | let mut file1 = Arc::new(Mutex::new(file)); [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: variable does not need to be mutable [INFO] [stderr] --> src/bin/recv.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let mut file2 = Arc::clone(&file1); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | file.write(&mut buf); [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: unused `Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | file.write(&mut buf); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:65:5 [INFO] [stderr] | [INFO] [stderr] 65 | t1.join(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/recv.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | t2.join(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `jerft` (bin "recv" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/listen-045b9572f5ed6907) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/recv-87bebf31b75a3fe5) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "12f138e9d5ee4fdabd9da5c0cb0ec15b96ccaaaa962b793651542d5a6474f0bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12f138e9d5ee4fdabd9da5c0cb0ec15b96ccaaaa962b793651542d5a6474f0bf", kill_on_drop: false }` [INFO] [stdout] 12f138e9d5ee4fdabd9da5c0cb0ec15b96ccaaaa962b793651542d5a6474f0bf