[INFO] updating cached repository https://github.com/jamespettigrew/rstext
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66ec592ee5637783e8a7911748d8cabbb1f9c72a
[INFO] checking jamespettigrew/rstext against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamespettigrew%2Frstext" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamespettigrew/rstext on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jamespettigrew/rstext
[INFO] finished tweaking git repo https://github.com/jamespettigrew/rstext
[INFO] tweaked toml for git repo https://github.com/jamespettigrew/rstext written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jamespettigrew/rstext already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] ea6c7e951ca1c76dbd75b7161d5f07097faa83900ae89f85815f6ed9d0f4b534
[INFO] running `"docker" "start" "-a" "ea6c7e951ca1c76dbd75b7161d5f07097faa83900ae89f85815f6ed9d0f4b534"`
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking rstext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `vertical_offset`
[INFO] [stderr]    --> src/main.rs:151:37
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn new(height: u16, width: u16, vertical_offset: usize, horizontal_offset: usize) -> Window {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_vertical_offset`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `horizontal_offset`
[INFO] [stderr]    --> src/main.rs:151:61
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn new(height: u16, width: u16, vertical_offset: usize, horizontal_offset: usize) -> Window {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_horizontal_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 |     queue!(screen, Clear(ClearType::All));
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 | /         queue!(
[INFO] [stderr] 404 | |             screen,
[INFO] [stderr] 405 | |             MoveTo(0, row_count as u16),
[INFO] [stderr] 406 | |             style::SetForegroundColor(Color::Blue),
[INFO] [stderr] ...   |
[INFO] [stderr] 413 | |             MoveTo(line_number_columns, row_count as u16)
[INFO] [stderr] 414 | |         );
[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 (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:422:13
[INFO] [stderr]     |
[INFO] [stderr] 422 |             queue!(screen, style::Print(character));
[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 (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:431:5
[INFO] [stderr]     |
[INFO] [stderr] 431 | /     queue!(
[INFO] [stderr] 432 | |         screen,
[INFO] [stderr] 433 | |         MoveTo(virtual_cursor_column, virtual_cursor_row as u16)
[INFO] [stderr] 434 | |     );
[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 (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vertical_offset`
[INFO] [stderr]    --> src/main.rs:151:37
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn new(height: u16, width: u16, vertical_offset: usize, horizontal_offset: usize) -> Window {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_vertical_offset`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `horizontal_offset`
[INFO] [stderr]    --> src/main.rs:151:61
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn new(height: u16, width: u16, vertical_offset: usize, horizontal_offset: usize) -> Window {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_horizontal_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 |     queue!(screen, Clear(ClearType::All));
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:403:9
[INFO] [stderr]     |
[INFO] [stderr] 403 | /         queue!(
[INFO] [stderr] 404 | |             screen,
[INFO] [stderr] 405 | |             MoveTo(0, row_count as u16),
[INFO] [stderr] 406 | |             style::SetForegroundColor(Color::Blue),
[INFO] [stderr] ...   |
[INFO] [stderr] 413 | |             MoveTo(line_number_columns, row_count as u16)
[INFO] [stderr] 414 | |         );
[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 (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:422:13
[INFO] [stderr]     |
[INFO] [stderr] 422 |             queue!(screen, style::Print(character));
[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 (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:431:5
[INFO] [stderr]     |
[INFO] [stderr] 431 | /     queue!(
[INFO] [stderr] 432 | |         screen,
[INFO] [stderr] 433 | |         MoveTo(virtual_cursor_column, virtual_cursor_row as u16)
[INFO] [stderr] 434 | |     );
[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 (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `"docker" "inspect" "ea6c7e951ca1c76dbd75b7161d5f07097faa83900ae89f85815f6ed9d0f4b534"`
[INFO] running `"docker" "rm" "-f" "ea6c7e951ca1c76dbd75b7161d5f07097faa83900ae89f85815f6ed9d0f4b534"`
[INFO] [stdout] ea6c7e951ca1c76dbd75b7161d5f07097faa83900ae89f85815f6ed9d0f4b534