[INFO] cloning repository https://github.com/vooxal/sorting-algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vooxal/sorting-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvooxal%2Fsorting-algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvooxal%2Fsorting-algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a77e8b946430bd4b05140cf67578d7f59b768050 [INFO] checking vooxal/sorting-algorithms against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvooxal%2Fsorting-algorithms" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vooxal/sorting-algorithms on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vooxal/sorting-algorithms [INFO] finished tweaking git repo https://github.com/vooxal/sorting-algorithms [INFO] tweaked toml for git repo https://github.com/vooxal/sorting-algorithms written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vooxal/sorting-algorithms 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27242303c0dfef8fa17b5454ce39013c2fb0225a8821e1d941391be87807359a [INFO] running `Command { std: "docker" "start" "-a" "27242303c0dfef8fa17b5454ce39013c2fb0225a8821e1d941391be87807359a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27242303c0dfef8fa17b5454ce39013c2fb0225a8821e1d941391be87807359a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27242303c0dfef8fa17b5454ce39013c2fb0225a8821e1d941391be87807359a", kill_on_drop: false }` [INFO] [stdout] 27242303c0dfef8fa17b5454ce39013c2fb0225a8821e1d941391be87807359a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b4beaba75173f51a85b50f498c3dda33513bfac59dd929653cf730affe31ddc [INFO] running `Command { std: "docker" "start" "-a" "3b4beaba75173f51a85b50f498c3dda33513bfac59dd929653cf730affe31ddc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking sorting-algorithm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> src/display/bar.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> src/display/bar.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Highlight` is never constructed [INFO] [stdout] --> src/display/bar.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Highlight { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | / execute!( [INFO] [stdout] 21 | | stdout(), [INFO] [stdout] 22 | | cursor::Hide, [INFO] [stdout] 23 | | style::SetForegroundColor(color), [INFO] [stdout] 24 | | cursor::MoveTo(position, terminal_size.1 - slices - 1) [INFO] [stdout] 25 | | ); [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] = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | / execute!( [INFO] [stdout] 30 | | stdout(), [INFO] [stdout] 31 | | style::SetForegroundColor(color), [INFO] [stdout] 32 | | cursor::MoveTo(position, terminal_size.1 - slices + i), [INFO] [stdout] 33 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / execute!( [INFO] [stdout] 45 | | stdout(), [INFO] [stdout] 46 | | terminal::Clear(terminal::ClearType::All), [INFO] [stdout] 47 | | cursor::MoveRight(1) [INFO] [stdout] 48 | | ); [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | create_bar(*i, column, style::Color::Yellow); [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] 53 | let _ = create_bar(*i, column, style::Color::Yellow); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Highlight` is never constructed [INFO] [stdout] --> src/display/bar.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Highlight { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | create_bar(*i, column, style::Color::White); [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] 55 | let _ = create_bar(*i, column, style::Color::White); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | / execute!( [INFO] [stdout] 21 | | stdout(), [INFO] [stdout] 22 | | cursor::Hide, [INFO] [stdout] 23 | | style::SetForegroundColor(color), [INFO] [stdout] 24 | | cursor::MoveTo(position, terminal_size.1 - slices - 1) [INFO] [stdout] 25 | | ); [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] = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | / execute!( [INFO] [stdout] 30 | | stdout(), [INFO] [stdout] 31 | | style::SetForegroundColor(color), [INFO] [stdout] 32 | | cursor::MoveTo(position, terminal_size.1 - slices + i), [INFO] [stdout] 33 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / execute!( [INFO] [stdout] 45 | | stdout(), [INFO] [stdout] 46 | | terminal::Clear(terminal::ClearType::All), [INFO] [stdout] 47 | | cursor::MoveRight(1) [INFO] [stdout] 48 | | ); [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `execute` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | create_bar(*i, column, style::Color::Yellow); [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] 53 | let _ = create_bar(*i, column, style::Color::Yellow); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/display/bar.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | create_bar(*i, column, style::Color::White); [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] 55 | let _ = create_bar(*i, column, style::Color::White); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s [INFO] running `Command { std: "docker" "inspect" "3b4beaba75173f51a85b50f498c3dda33513bfac59dd929653cf730affe31ddc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4beaba75173f51a85b50f498c3dda33513bfac59dd929653cf730affe31ddc", kill_on_drop: false }` [INFO] [stdout] 3b4beaba75173f51a85b50f498c3dda33513bfac59dd929653cf730affe31ddc