[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#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnward%2Fbft" "/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/johnward/bft on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-0/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: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4f956bed064b79cce58561329de0b804211c7345ae529910611e14601ab3f683 [INFO] running `Command { std: "docker" "start" "-a" "4f956bed064b79cce58561329de0b804211c7345ae529910611e14601ab3f683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f956bed064b79cce58561329de0b804211c7345ae529910611e14601ab3f683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f956bed064b79cce58561329de0b804211c7345ae529910611e14601ab3f683", kill_on_drop: false }` [INFO] [stdout] 4f956bed064b79cce58561329de0b804211c7345ae529910611e14601ab3f683 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39b224b2414f6866587eaa8fd0bf630db40d85bcd504059e57cd00bd4395433d [INFO] running `Command { std: "docker" "start" "-a" "39b224b2414f6866587eaa8fd0bf630db40d85bcd504059e57cd00bd4395433d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking bft_types v0.1.0 (/opt/rustwide/workdir/bft_types) [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> bft_types/src/lib.rs:188:21 [INFO] [stdout] | [INFO] [stdout] 188 | _ => false, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bft_interp v0.1.0 (/opt/rustwide/workdir/bft_interp) [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: 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: 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 is never read: `can_grow` [INFO] [stdout] --> bft_interp/src/lib.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | can_grow: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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: 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: field is never read: `can_grow` [INFO] [stdout] --> bft_interp/src/lib.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 103 | can_grow: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [unoptimized + debuginfo] target(s) in 4.60s [INFO] running `Command { std: "docker" "inspect" "39b224b2414f6866587eaa8fd0bf630db40d85bcd504059e57cd00bd4395433d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39b224b2414f6866587eaa8fd0bf630db40d85bcd504059e57cd00bd4395433d", kill_on_drop: false }` [INFO] [stdout] 39b224b2414f6866587eaa8fd0bf630db40d85bcd504059e57cd00bd4395433d