[INFO] cloning repository https://github.com/SimpleControllers/rpn-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SimpleControllers/rpn-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimpleControllers%2Frpn-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimpleControllers%2Frpn-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e83c14d2041c03d368edfdd13a09b0c9b3bd92b0 [INFO] checking SimpleControllers/rpn-rs against try#342ed2e8608ee307743c341962b427652cdb06e9 for pr-146562 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimpleControllers%2Frpn-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/SimpleControllers/rpn-rs [INFO] finished tweaking git repo https://github.com/SimpleControllers/rpn-rs [INFO] tweaked toml for git repo https://github.com/SimpleControllers/rpn-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/SimpleControllers/rpn-rs on toolchain 342ed2e8608ee307743c341962b427652cdb06e9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/SimpleControllers/rpn-rs 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" "+342ed2e8608ee307743c341962b427652cdb06e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3847a0d9471376b2006456d6331321f1d9d5ee5e001c9d879f3baa3cf126fde [INFO] running `Command { std: "docker" "start" "-a" "a3847a0d9471376b2006456d6331321f1d9d5ee5e001c9d879f3baa3cf126fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3847a0d9471376b2006456d6331321f1d9d5ee5e001c9d879f3baa3cf126fde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3847a0d9471376b2006456d6331321f1d9d5ee5e001c9d879f3baa3cf126fde", kill_on_drop: false }` [INFO] [stdout] a3847a0d9471376b2006456d6331321f1d9d5ee5e001c9d879f3baa3cf126fde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b7839d8057164a3f0acb0df8949a654459401566c3778b518253c864960e2a8 [INFO] running `Command { std: "docker" "start" "-a" "8b7839d8057164a3f0acb0df8949a654459401566c3778b518253c864960e2a8", kill_on_drop: false }` [INFO] [stderr] Compiling signal-hook v0.3.18 [INFO] [stderr] Compiling rustix v1.0.7 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Compiling document-features v0.2.11 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking signal-hook-mio v0.2.4 [INFO] [stderr] Compiling derive_more-impl v2.0.1 [INFO] [stderr] Checking derive_more v2.0.1 [INFO] [stderr] Checking crossterm v0.29.0 [INFO] [stderr] Checking rpn-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/main.rs:366:10 [INFO] [stdout] | [INFO] [stdout] 366 | let (cols, rows) = size().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/main.rs:366:10 [INFO] [stdout] | [INFO] [stdout] 366 | let (cols, rows) = size().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:391:5 [INFO] [stdout] | [INFO] [stdout] 391 | write!(out, "T: {:>30}\r\n", format!("{:.1$}", stack[3], show_decimals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 391 | let _ = write!(out, "T: {:>30}\r\n", format!("{:.1$}", stack[3], show_decimals)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:392:5 [INFO] [stdout] | [INFO] [stdout] 392 | write!(out, "Z: {:>30}\r\n", format!("{:.1$}", stack[2], show_decimals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 392 | let _ = write!(out, "Z: {:>30}\r\n", format!("{:.1$}", stack[2], show_decimals)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:393:5 [INFO] [stdout] | [INFO] [stdout] 393 | write!(out, "Y: {:>30}\r\n", format!("{:.1$}", stack[1], show_decimals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 393 | let _ = write!(out, "Y: {:>30}\r\n", format!("{:.1$}", stack[1], show_decimals)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:394:5 [INFO] [stdout] | [INFO] [stdout] 394 | write!(out, "X: {:>30}\r\n", format!("{:.1$}", stack[0], show_decimals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 394 | let _ = write!(out, "X: {:>30}\r\n", format!("{:.1$}", stack[0], show_decimals)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:391:5 [INFO] [stdout] | [INFO] [stdout] 391 | write!(out, "T: {:>30}\r\n", format!("{:.1$}", stack[3], show_decimals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 391 | let _ = write!(out, "T: {:>30}\r\n", format!("{:.1$}", stack[3], show_decimals)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:392:5 [INFO] [stdout] | [INFO] [stdout] 392 | write!(out, "Z: {:>30}\r\n", format!("{:.1$}", stack[2], show_decimals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 392 | let _ = write!(out, "Z: {:>30}\r\n", format!("{:.1$}", stack[2], show_decimals)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:393:5 [INFO] [stdout] | [INFO] [stdout] 393 | write!(out, "Y: {:>30}\r\n", format!("{:.1$}", stack[1], show_decimals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 393 | let _ = write!(out, "Y: {:>30}\r\n", format!("{:.1$}", stack[1], show_decimals)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:394:5 [INFO] [stdout] | [INFO] [stdout] 394 | write!(out, "X: {:>30}\r\n", format!("{:.1$}", stack[0], show_decimals)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 394 | let _ = write!(out, "X: {:>30}\r\n", format!("{:.1$}", stack[0], show_decimals)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.92s [INFO] running `Command { std: "docker" "inspect" "8b7839d8057164a3f0acb0df8949a654459401566c3778b518253c864960e2a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7839d8057164a3f0acb0df8949a654459401566c3778b518253c864960e2a8", kill_on_drop: false }` [INFO] [stdout] 8b7839d8057164a3f0acb0df8949a654459401566c3778b518253c864960e2a8