[INFO] fetching crate crossterm_cursor 0.2.6... [INFO] checking crossterm_cursor-0.2.6 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] extracting crate crossterm_cursor 0.2.6 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate crossterm_cursor 0.2.6 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate crossterm_cursor 0.2.6 [INFO] finished tweaking crates.io crate crossterm_cursor 0.2.6 [INFO] tweaked toml for crates.io crate crossterm_cursor 0.2.6 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ae78630b454db9711ddd189e235af5693797ad30aa2fbdb8b75f386adb4def69 [INFO] running `"docker" "start" "-a" "ae78630b454db9711ddd189e235af5693797ad30aa2fbdb8b75f386adb4def69"` [INFO] [stderr] Checking crossterm_cursor v0.2.6 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cursor/test.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 44 | cursor.save_position(); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/cursor/test.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | cursor.goto(5, 5); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cursor/test.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | cursor.reset_position(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cursor/test.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | cursor.goto(5, 5); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BlinkOff`, `BlinkOn`, `Down`, `ExecutableCommand`, `Left`, `ResetPos`, `Right`, `SavePos`, `Show`, `Up`, `execute` [INFO] [stderr] --> examples/cursor.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | execute, queue, BlinkOff, BlinkOn, Command, Down, ExecutableCommand, Goto, Hide, Left, Output, [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ ^^^^^^^ ^^^^ ^^^^^^^^^^^^^^^^^ ^^^^ [INFO] [stderr] 91 | QueueableCommand, ResetPos, Right, SavePos, Show, Up, [INFO] [stderr] | ^^^^^^^^ ^^^^^ ^^^^^^^ ^^^^ ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> examples/cursor.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `stdout` [INFO] [stderr] --> examples/cursor.rs:94:15 [INFO] [stderr] | [INFO] [stderr] 94 | use std::io::{stdout, Write}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> examples/cursor.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> examples/cursor.rs:96:17 [INFO] [stderr] | [INFO] [stderr] 96 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Command` [INFO] [stderr] --> examples/cursor.rs:90:40 [INFO] [stderr] | [INFO] [stderr] 90 | execute, queue, BlinkOff, BlinkOn, Command, Down, ExecutableCommand, Goto, Hide, Left, Output, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> examples/cursor.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | for i in 0..10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> examples/cursor.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | for i in 0..10 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stdout` [INFO] [stderr] --> examples/cursor.rs:131:13 [INFO] [stderr] | [INFO] [stderr] 131 | let mut stdout = ::std::io::stdout(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_stdout` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> examples/cursor.rs:134:9 [INFO] [stderr] | [INFO] [stderr] 134 | for i in 1..=20 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/cursor.rs:131:9 [INFO] [stderr] | [INFO] [stderr] 131 | let mut stdout = ::std::io::stdout(); [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] --> examples/cursor.rs:145:9 [INFO] [stderr] | [INFO] [stderr] 145 | let mut stdout = ::std::io::stdout(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `benchmark_cursor_goto` [INFO] [stderr] --> examples/cursor.rs:98:1 [INFO] [stderr] | [INFO] [stderr] 98 | fn benchmark_cursor_goto() -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `start_goto_benchmark` [INFO] [stderr] --> examples/cursor.rs:130:1 [INFO] [stderr] | [INFO] [stderr] 130 | fn start_goto_benchmark() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | cursor.goto(10, 5); [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 `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | cursor.goto(5, 5); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | cursor.save_position(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | cursor.goto(5, 20); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | cursor.reset_position(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | cursor.hide(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | cursor.show(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | cursor.blink(false); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | cursor.blink(false); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:105:17 [INFO] [stderr] | [INFO] [stderr] 105 | queue!(stdout, Goto(x, y), Hide, Output(y.to_string())); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:116:17 [INFO] [stderr] | [INFO] [stderr] 116 | cursor.goto(x, y); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> examples/cursor.rs:147:5 [INFO] [stderr] | [INFO] [stderr] 147 | / stdout [INFO] [stderr] 148 | | .queue(Goto(5, 5)) [INFO] [stderr] 149 | | .queue(Output("#".to_string())) [INFO] [stderr] 150 | | .flush(); [INFO] [stderr] | |_________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `"docker" "inspect" "ae78630b454db9711ddd189e235af5693797ad30aa2fbdb8b75f386adb4def69"` [INFO] running `"docker" "rm" "-f" "ae78630b454db9711ddd189e235af5693797ad30aa2fbdb8b75f386adb4def69"` [INFO] [stdout] ae78630b454db9711ddd189e235af5693797ad30aa2fbdb8b75f386adb4def69