[INFO] cloning repository https://github.com/gLITCHMaster16/rust_twiddle_bits [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gLITCHMaster16/rust_twiddle_bits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgLITCHMaster16%2Frust_twiddle_bits", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgLITCHMaster16%2Frust_twiddle_bits'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3f299cfef9d6a8817a4c60d4d363edf9e83937a [INFO] checking gLITCHMaster16/rust_twiddle_bits against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgLITCHMaster16%2Frust_twiddle_bits" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gLITCHMaster16/rust_twiddle_bits on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gLITCHMaster16/rust_twiddle_bits [INFO] finished tweaking git repo https://github.com/gLITCHMaster16/rust_twiddle_bits [INFO] tweaked toml for git repo https://github.com/gLITCHMaster16/rust_twiddle_bits written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/gLITCHMaster16/rust_twiddle_bits already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b3c8cdebd43a3e691c4efe3f50c893ade01b88e177d771dd1f0ec6409e191368 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b3c8cdebd43a3e691c4efe3f50c893ade01b88e177d771dd1f0ec6409e191368", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3c8cdebd43a3e691c4efe3f50c893ade01b88e177d771dd1f0ec6409e191368", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3c8cdebd43a3e691c4efe3f50c893ade01b88e177d771dd1f0ec6409e191368", kill_on_drop: false }` [INFO] [stdout] b3c8cdebd43a3e691c4efe3f50c893ade01b88e177d771dd1f0ec6409e191368 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 419c8cb7caa9c865239c799dcb57ac90849dcae014b866242a53b9f3cbfcecef [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "419c8cb7caa9c865239c799dcb57ac90849dcae014b866242a53b9f3cbfcecef", kill_on_drop: false }` [INFO] [stderr] Checking TwiddleBitsHelloWorld v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | if (self.registers[ REGISTER_PC as usize ] & 1 == 1) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `REGISTER_SF` [INFO] [stdout] --> src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | const REGISTER_SF: u8 = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `OP_LWO` [INFO] [stdout] --> src/main.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | const OP_LWO: u16 = 0b1110 << 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `OP_SWO` [INFO] [stdout] --> src/main.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | const OP_SWO: u16 = 0b1111 << 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_byte` [INFO] [stdout] --> src/main.rs:123:4 [INFO] [stdout] | [INFO] [stdout] 123 | fn print_byte(byte: &u8) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `TwiddleBitsHelloWorld` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `twiddle_bits_hello_world` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | if (self.registers[ REGISTER_PC as usize ] & 1 == 1) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:179:5 [INFO] [stdout] | [INFO] [stdout] 179 | file.write_all(&buff); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `REGISTER_SF` [INFO] [stdout] --> src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | const REGISTER_SF: u8 = 6; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `OP_LWO` [INFO] [stdout] --> src/main.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | const OP_LWO: u16 = 0b1110 << 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `OP_SWO` [INFO] [stdout] --> src/main.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | const OP_SWO: u16 = 0b1111 << 12; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_byte` [INFO] [stdout] --> src/main.rs:123:4 [INFO] [stdout] | [INFO] [stdout] 123 | fn print_byte(byte: &u8) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `TwiddleBitsHelloWorld` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `twiddle_bits_hello_world` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:179:5 [INFO] [stdout] | [INFO] [stdout] 179 | file.write_all(&buff); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "419c8cb7caa9c865239c799dcb57ac90849dcae014b866242a53b9f3cbfcecef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "419c8cb7caa9c865239c799dcb57ac90849dcae014b866242a53b9f3cbfcecef", kill_on_drop: false }` [INFO] [stdout] 419c8cb7caa9c865239c799dcb57ac90849dcae014b866242a53b9f3cbfcecef