[INFO] cloning repository https://github.com/johnward/bft [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnward/bft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c167d9a66aece1c6c434135eb96da1e202ac5bc1 [INFO] checking johnward/bft against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/johnward/bft on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/johnward/bft [INFO] finished tweaking git repo https://github.com/johnward/bft [INFO] tweaked toml for git repo https://github.com/johnward/bft written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/johnward/bft 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8799260fbd40053b7b3c6cf6af838ed3ad8de10a0ef36bab63fb76f1f7584e4f [INFO] running `Command { std: "docker" "start" "-a" "8799260fbd40053b7b3c6cf6af838ed3ad8de10a0ef36bab63fb76f1f7584e4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8799260fbd40053b7b3c6cf6af838ed3ad8de10a0ef36bab63fb76f1f7584e4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8799260fbd40053b7b3c6cf6af838ed3ad8de10a0ef36bab63fb76f1f7584e4f", kill_on_drop: false }` [INFO] [stdout] 8799260fbd40053b7b3c6cf6af838ed3ad8de10a0ef36bab63fb76f1f7584e4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5be890d3c10c276faaba789a42b69d8f67aed43f537a5f1eb8778f0ae49b5186 [INFO] running `Command { std: "docker" "start" "-a" "5be890d3c10c276faaba789a42b69d8f67aed43f537a5f1eb8778f0ae49b5186", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking bft_types v0.1.0 (/opt/rustwide/workdir/bft_types) [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bft_interp v0.1.0 (/opt/rustwide/workdir/bft_interp) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> bft_types/src/lib.rs:188:21 [INFO] [stdout] | [INFO] [stdout] 188 | _ => false, [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> bft_types/src/lib.rs:188:21 [INFO] [stdout] | [INFO] [stdout] 180 | BFCommand::IncrementPointer => true, [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] 181 | BFCommand::DecrementPointer => true, [INFO] [stdout] | --------------------------- matches some of the same values [INFO] [stdout] 182 | BFCommand::IncrementByte => true, [INFO] [stdout] | ------------------------ matches some of the same values [INFO] [stdout] 183 | BFCommand::DecrementByte => true, [INFO] [stdout] | ------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 188 | _ => false, [INFO] [stdout] | ^ ...and 4 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> bft_interp/src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 50 - (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stdout] 50 + number_to_add - ((u8::max_value() - current_number) + 1) // + 1 to take into account the zero [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> bft_interp/src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 59 - (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stdout] 59 + u8::max_value() - ((number_to_sub - current_number) - 1) // - 1 to take into account the zero [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> bft_interp/src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 50 - (number_to_add - ((u8::max_value() - current_number) + 1)) // + 1 to take into account the zero [INFO] [stdout] 50 + number_to_add - ((u8::max_value() - current_number) + 1) // + 1 to take into account the zero [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> bft_interp/src/lib.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 59 - (u8::max_value() - ((number_to_sub - current_number) - 1)) // - 1 to take into account the zero [INFO] [stdout] 59 + u8::max_value() - ((number_to_sub - current_number) - 1) // - 1 to take into account the zero [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `can_grow` is never read [INFO] [stdout] --> bft_interp/src/lib.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 99 | pub struct BFVirtualMachine<'a, T> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 103 | can_grow: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BFVirtualMachine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> bft_interp/src/lib.rs:393:20 [INFO] [stdout] | [INFO] [stdout] 393 | Ok(num) => (), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> bft_interp/src/lib.rs:423:20 [INFO] [stdout] | [INFO] [stdout] 423 | Ok(num) => (), [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> bft_interp/src/lib.rs:433:13 [INFO] [stdout] | [INFO] [stdout] 433 | let result = virtual_machine.move_head_left(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buff` [INFO] [stdout] --> bft_interp/src/lib.rs:496:17 [INFO] [stdout] | [INFO] [stdout] 496 | let mut buff = Cursor::new(vec![15]); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_buff` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> bft_interp/src/lib.rs:496:13 [INFO] [stdout] | [INFO] [stdout] 496 | let mut buff = Cursor::new(vec![15]); [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: unused variable: `s` [INFO] [stdout] --> bft_interp/src/lib.rs:531:16 [INFO] [stdout] | [INFO] [stdout] 531 | Ok(s) => println!("Written Correctly"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `can_grow` is never read [INFO] [stdout] --> bft_interp/src/lib.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 99 | pub struct BFVirtualMachine<'a, T> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 103 | can_grow: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BFVirtualMachine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking bft v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `Command { std: "docker" "inspect" "5be890d3c10c276faaba789a42b69d8f67aed43f537a5f1eb8778f0ae49b5186", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5be890d3c10c276faaba789a42b69d8f67aed43f537a5f1eb8778f0ae49b5186", kill_on_drop: false }` [INFO] [stdout] 5be890d3c10c276faaba789a42b69d8f67aed43f537a5f1eb8778f0ae49b5186