[INFO] cloning repository https://github.com/maksimil/rms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maksimil/rms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaksimil%2Frms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaksimil%2Frms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f586b9f1ab89c96949b2b6f01772b6ac47a5006 [INFO] checking maksimil/rms against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaksimil%2Frms" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/maksimil/rms [INFO] finished tweaking git repo https://github.com/maksimil/rms [INFO] tweaked toml for git repo https://github.com/maksimil/rms written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/maksimil/rms on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/maksimil/rms 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded instant v0.1.8 [INFO] [stderr] Downloaded mio v0.7.6 [INFO] [stderr] Downloaded crossterm v0.18.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f39db2d24bb9cc1ee5a91efed422a981a0ab34ba1d54dd319268c7464bbf0f37 [INFO] running `Command { std: "docker" "start" "-a" "f39db2d24bb9cc1ee5a91efed422a981a0ab34ba1d54dd319268c7464bbf0f37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f39db2d24bb9cc1ee5a91efed422a981a0ab34ba1d54dd319268c7464bbf0f37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f39db2d24bb9cc1ee5a91efed422a981a0ab34ba1d54dd319268c7464bbf0f37", kill_on_drop: false }` [INFO] [stdout] f39db2d24bb9cc1ee5a91efed422a981a0ab34ba1d54dd319268c7464bbf0f37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c37971de605cae21339159173aa077e68bb4ae92cbf496e0b18839a616dbaab4 [INFO] running `Command { std: "docker" "start" "-a" "c37971de605cae21339159173aa077e68bb4ae92cbf496e0b18839a616dbaab4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking instant v0.1.8 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Checking mio v0.7.6 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking rms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | execute!(stdout(), Print(format!("Joining server at {}...\n", port))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = execute!(stdout(), Print(format!("Joining server at {}...\n", port))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | / execute!( [INFO] [stdout] 33 | | stdout(), [INFO] [stdout] 34 | | Clear(ClearType::All), [INFO] [stdout] 35 | | MoveTo(0, 0), [INFO] [stdout] 36 | | Print("Name: ") [INFO] [stdout] 37 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 32 | let _ = execute!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | execute!(stdout(), Clear(ClearType::All), MoveTo(0, 0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 44 | let _ = execute!(stdout(), Clear(ClearType::All), MoveTo(0, 0)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | execute!(stdout(), Clear(ClearType::All), MoveTo(0, 0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = execute!(stdout(), Clear(ClearType::All), MoveTo(0, 0)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | / execute!( [INFO] [stdout] 78 | | stdout(), [INFO] [stdout] 79 | | Print(format!("{} :: {}\n", msg.name.as_str(), msg.text.as_str())) [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = execute!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | execute!(stdout(), Print(format!("{}", message.as_str()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 82 | let _ = execute!(stdout(), Print(format!("{}", message.as_str()))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:93:21 [INFO] [stdout] | [INFO] [stdout] 93 | execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 93 | let _ = execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | execute!(stdout(), Clear(ClearType::All), Print("Closing rms")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 136 | let _ = execute!(stdout(), Clear(ClearType::All), Print("Closing rms")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | execute!(stdout(), Print(format!("Joining server at {}...\n", port))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 22 | let _ = execute!(stdout(), Print(format!("Joining server at {}...\n", port))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | / execute!( [INFO] [stdout] 33 | | stdout(), [INFO] [stdout] 34 | | Clear(ClearType::All), [INFO] [stdout] 35 | | MoveTo(0, 0), [INFO] [stdout] 36 | | Print("Name: ") [INFO] [stdout] 37 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 32 | let _ = execute!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | execute!(stdout(), Clear(ClearType::All), MoveTo(0, 0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 44 | let _ = execute!(stdout(), Clear(ClearType::All), MoveTo(0, 0)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | execute!(stdout(), Clear(ClearType::All), MoveTo(0, 0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = execute!(stdout(), Clear(ClearType::All), MoveTo(0, 0)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | / execute!( [INFO] [stdout] 78 | | stdout(), [INFO] [stdout] 79 | | Print(format!("{} :: {}\n", msg.name.as_str(), msg.text.as_str())) [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = execute!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | execute!(stdout(), Print(format!("{}", message.as_str()))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 82 | let _ = execute!(stdout(), Print(format!("{}", message.as_str()))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:93:21 [INFO] [stdout] | [INFO] [stdout] 93 | execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 93 | let _ = execute!(stdout(), Print("Connection with server was severed")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/join.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | execute!(stdout(), Clear(ClearType::All), Print("Closing rms")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 136 | let _ = execute!(stdout(), Clear(ClearType::All), Print("Closing rms")); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s [INFO] running `Command { std: "docker" "inspect" "c37971de605cae21339159173aa077e68bb4ae92cbf496e0b18839a616dbaab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c37971de605cae21339159173aa077e68bb4ae92cbf496e0b18839a616dbaab4", kill_on_drop: false }` [INFO] [stdout] c37971de605cae21339159173aa077e68bb4ae92cbf496e0b18839a616dbaab4