[INFO] fetching crate puzzle_cube 0.1.3... [INFO] checking puzzle_cube-0.1.3 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate puzzle_cube 0.1.3 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate puzzle_cube 0.1.3 [INFO] finished tweaking crates.io crate puzzle_cube 0.1.3 [INFO] tweaked toml for crates.io crate puzzle_cube 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate puzzle_cube 0.1.3 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate puzzle_cube 0.1.3 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.7 [INFO] [stderr] Downloaded dirs-sys v0.3.4 [INFO] [stderr] Downloaded getch v0.2.1 [INFO] [stderr] Downloaded synstructure v0.12.3 [INFO] [stderr] Downloaded backtrace v0.3.42 [INFO] [stderr] Downloaded syn v1.0.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee538f26b5f377873383528688395004756e93381191362a087fbb2383e84710 [INFO] running `Command { std: "docker" "start" "-a" "ee538f26b5f377873383528688395004756e93381191362a087fbb2383e84710", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee538f26b5f377873383528688395004756e93381191362a087fbb2383e84710", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee538f26b5f377873383528688395004756e93381191362a087fbb2383e84710", kill_on_drop: false }` [INFO] [stdout] ee538f26b5f377873383528688395004756e93381191362a087fbb2383e84710 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7994bfc29acbd6d57bcb12e5df10a33b72344e88a244abae360094602445e9ff [INFO] running `Command { std: "docker" "start" "-a" "7994bfc29acbd6d57bcb12e5df10a33b72344e88a244abae360094602445e9ff", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking getch v0.2.1 [INFO] [stderr] Compiling puzzle_cube v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/cube.rs:435:23 [INFO] [stdout] | [INFO] [stdout] 435 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write` and `self` [INFO] [stdout] --> src/main.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/cube.rs:435:23 [INFO] [stdout] | [INFO] [stdout] 435 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write` and `self` [INFO] [stdout] --> src/main.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/cube.rs:461:13 [INFO] [stdout] | [INFO] [stdout] 461 | _ => (), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/cube.rs:461:13 [INFO] [stdout] | [INFO] [stdout] 440 | Color::White => stdout [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 443 | Color::Green => stdout [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 446 | Color::Red => stdout [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 449 | Color::Blue => stdout [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 461 | _ => (), [INFO] [stdout] | ^ ...and 3 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `selected` is never read [INFO] [stdout] --> src/main.rs:142:21 [INFO] [stdout] | [INFO] [stdout] 142 | selected = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `selected` is never read [INFO] [stdout] --> src/main.rs:146:21 [INFO] [stdout] | [INFO] [stdout] 146 | selected = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:165:13 [INFO] [stdout] | [INFO] [stdout] 165 | let input = str::from_utf8(get).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cube.rs:464:9 [INFO] [stdout] | [INFO] [stdout] 464 | write!(&mut stdout, "\u{25A0} "); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 464 | let _ = write!(&mut stdout, "\u{25A0} "); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/cube.rs:461:13 [INFO] [stdout] | [INFO] [stdout] 461 | _ => (), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/cube.rs:461:13 [INFO] [stdout] | [INFO] [stdout] 440 | Color::White => stdout [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 443 | Color::Green => stdout [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 446 | Color::Red => stdout [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 449 | Color::Blue => stdout [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 461 | _ => (), [INFO] [stdout] | ^ ...and 3 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `selected` is never read [INFO] [stdout] --> src/main.rs:142:21 [INFO] [stdout] | [INFO] [stdout] 142 | selected = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `selected` is never read [INFO] [stdout] --> src/main.rs:146:21 [INFO] [stdout] | [INFO] [stdout] 146 | selected = true; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:165:13 [INFO] [stdout] | [INFO] [stdout] 165 | let input = str::from_utf8(get).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cube.rs:464:9 [INFO] [stdout] | [INFO] [stdout] 464 | write!(&mut stdout, "\u{25A0} "); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 464 | let _ = write!(&mut stdout, "\u{25A0} "); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.70s [INFO] running `Command { std: "docker" "inspect" "7994bfc29acbd6d57bcb12e5df10a33b72344e88a244abae360094602445e9ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7994bfc29acbd6d57bcb12e5df10a33b72344e88a244abae360094602445e9ff", kill_on_drop: false }` [INFO] [stdout] 7994bfc29acbd6d57bcb12e5df10a33b72344e88a244abae360094602445e9ff