[INFO] cloning repository https://github.com/Flimster/r_text [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Flimster/r_text" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlimster%2Fr_text", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlimster%2Fr_text'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6bb5a2a9a98e5999a0354fc9d1c77de8238fff51 [INFO] checking Flimster/r_text against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlimster%2Fr_text" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Flimster/r_text on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Flimster/r_text [INFO] finished tweaking git repo https://github.com/Flimster/r_text [INFO] tweaked toml for git repo https://github.com/Flimster/r_text written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/Flimster/r_text already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 990143d479dc078f96ddbefd36dcf5389cee334eca010ca63d37301d13e10d67 [INFO] running `Command { std: "docker" "start" "-a" "990143d479dc078f96ddbefd36dcf5389cee334eca010ca63d37301d13e10d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "990143d479dc078f96ddbefd36dcf5389cee334eca010ca63d37301d13e10d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "990143d479dc078f96ddbefd36dcf5389cee334eca010ca63d37301d13e10d67", kill_on_drop: false }` [INFO] [stdout] 990143d479dc078f96ddbefd36dcf5389cee334eca010ca63d37301d13e10d67 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 117d6575f346704fede2441e8126519ec68e70cbcd57265a2c7e3e88b6c8c59f [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" "117d6575f346704fede2441e8126519ec68e70cbcd57265a2c7e3e88b6c8c59f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking r_text v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `horizontal` [INFO] [stdout] --> src/main.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | let (horizontal, vertical) = terminal_size().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vertical` [INFO] [stdout] --> src/main.rs:38:22 [INFO] [stdout] | [INFO] [stdout] 38 | let (horizontal, vertical) = terminal_size().unwrap(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut stdout = stdout().into_raw_mode().unwrap(); [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/main.rs:122:19 [INFO] [stdout] | [INFO] [stdout] 122 | fn draw_to_screen(mut screen: &mut AlternateScreen>, lines: Vec>, x: usize, y: usize) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let mut b = String::from_utf8(item.clone()).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `horizontal` [INFO] [stdout] --> src/main.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | let (horizontal, vertical) = terminal_size().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_horizontal` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vertical` [INFO] [stdout] --> src/main.rs:38:22 [INFO] [stdout] | [INFO] [stdout] 38 | let (horizontal, vertical) = terminal_size().unwrap(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vertical` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut stdout = stdout().into_raw_mode().unwrap(); [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/main.rs:122:19 [INFO] [stdout] | [INFO] [stdout] 122 | fn draw_to_screen(mut screen: &mut AlternateScreen>, lines: Vec>, x: usize, y: usize) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let mut b = String::from_utf8(item.clone()).unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.00s [INFO] running `Command { std: "docker" "inspect" "117d6575f346704fede2441e8126519ec68e70cbcd57265a2c7e3e88b6c8c59f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "117d6575f346704fede2441e8126519ec68e70cbcd57265a2c7e3e88b6c8c59f", kill_on_drop: false }` [INFO] [stdout] 117d6575f346704fede2441e8126519ec68e70cbcd57265a2c7e3e88b6c8c59f