[INFO] cloning repository https://github.com/vernonrj/MIPSical [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vernonrj/MIPSical" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvernonrj%2FMIPSical", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvernonrj%2FMIPSical'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7838ffd302ac7db5ed8eb21f0bb74b82f1ae3e31 [INFO] checking vernonrj/MIPSical against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvernonrj%2FMIPSical" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vernonrj/MIPSical on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vernonrj/MIPSical [INFO] finished tweaking git repo https://github.com/vernonrj/MIPSical [INFO] tweaked toml for git repo https://github.com/vernonrj/MIPSical written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/vernonrj/MIPSical already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4cb2d0ef9efab11f7deae5263fe75040aa7ce0a721fc4a5fd32ac3f25242d4c [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" "b4cb2d0ef9efab11f7deae5263fe75040aa7ce0a721fc4a5fd32ac3f25242d4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4cb2d0ef9efab11f7deae5263fe75040aa7ce0a721fc4a5fd32ac3f25242d4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4cb2d0ef9efab11f7deae5263fe75040aa7ce0a721fc4a5fd32ac3f25242d4c", kill_on_drop: false }` [INFO] [stdout] b4cb2d0ef9efab11f7deae5263fe75040aa7ce0a721fc4a5fd32ac3f25242d4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f193b140ef0c02d87c40b84319dbaad3ef17e9441b737bd3d6aa9b9ca01594a [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" "1f193b140ef0c02d87c40b84319dbaad3ef17e9441b737bd3d6aa9b9ca01594a", kill_on_drop: false }` [INFO] [stderr] Checking mips v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/decoder.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | pub execute: Box) -> ExecResult>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec) -> ExecResult` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/decoder.rs:23:27 [INFO] [stdout] | [INFO] [stdout] 23 | pub branch_taken: Box) -> bool>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec) -> bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::ExecResult` [INFO] [stdout] --> src/instruction/branch.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use error::ExecResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 23 | error: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | where E: Into> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking quickcheck v0.2.27 [INFO] [stdout] warning: variant is never constructed: `Normal` [INFO] [stdout] --> src/decoded.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Normal(u8), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Special` [INFO] [stdout] --> src/decoded.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Special(u8), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RegImm` [INFO] [stdout] --> src/decoded.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | RegImm(u8), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Register` [INFO] [stdout] --> src/decoded.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Register(pub u8); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RS` [INFO] [stdout] --> src/decoder.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | RS, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RT` [INFO] [stdout] --> src/decoder.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | RT, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RD` [INFO] [stdout] --> src/decoder.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | RD, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SA` [INFO] [stdout] --> src/decoder.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | SA, [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Immediate` [INFO] [stdout] --> src/decoder.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | Immediate, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Decoder` [INFO] [stdout] --> src/decoder.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Decoder { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/decoder.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `decode` [INFO] [stdout] --> src/decoder.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn decode(&self, command: Fetched) -> Option<&Instruction> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `keys` [INFO] [stdout] --> src/decoder.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn keys(&self) -> Vec { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Fetched` [INFO] [stdout] --> src/decoder.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 73 | pub struct Fetched(pub u32); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `extract_31_26` [INFO] [stdout] --> src/decoder.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn extract_31_26(bitfield: u32) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `extract_25_21` [INFO] [stdout] --> src/decoder.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn extract_25_21(bitfield: u32) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `extract_20_16` [INFO] [stdout] --> src/decoder.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn extract_20_16(bitfield: u32) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `extract_15_11` [INFO] [stdout] --> src/decoder.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn extract_15_11(bitfield: u32) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `extract_15_0` [INFO] [stdout] --> src/decoder.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn extract_15_0(bitfield: u32) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `extract_10_6` [INFO] [stdout] --> src/decoder.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn extract_10_6(bitfield: u32) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `extract_5_0` [INFO] [stdout] --> src/decoder.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn extract_5_0(bitfield: u32) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `extract_25_0` [INFO] [stdout] --> src/decoder.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn extract_25_0(bitfield: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `register` [INFO] [stdout] --> src/instruction/add.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn register(m: &mut HashMap) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `register` [INFO] [stdout] --> src/instruction/and.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn register(m: &mut HashMap) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `register` [INFO] [stdout] --> src/instruction/branch.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn register(m: &mut HashMap) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `register` [INFO] [stdout] --> src/instruction/shift.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn register(m: &mut HashMap) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Success` [INFO] [stdout] --> src/error.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Success(T), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Exception` [INFO] [stdout] --> src/error.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Exception(ExecError), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unwrap` [INFO] [stdout] --> src/error.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn unwrap(self) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/error.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(kind: ErrorKind, error: E) -> Self [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Overflow` [INFO] [stdout] --> src/error.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | Overflow, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 36 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/decoder.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | pub execute: Box) -> ExecResult>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec) -> ExecResult` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/decoder.rs:23:27 [INFO] [stdout] | [INFO] [stdout] 23 | pub branch_taken: Box) -> bool>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec) -> bool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::ExecResult` [INFO] [stdout] --> src/instruction/branch.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use error::ExecResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 23 | error: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | where E: Into> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + Send + Sync` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `masked_quickcheck` [INFO] [stdout] --> src/quickcheck_extra.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn masked_quickcheck(size: usize) -> QuickCheck> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Register` [INFO] [stdout] --> src/decoded.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Register(pub u8); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `keys` [INFO] [stdout] --> src/decoder.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn keys(&self) -> Vec { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unwrap` [INFO] [stdout] --> src/error.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn unwrap(self) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.62s [INFO] running `Command { std: "docker" "inspect" "1f193b140ef0c02d87c40b84319dbaad3ef17e9441b737bd3d6aa9b9ca01594a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f193b140ef0c02d87c40b84319dbaad3ef17e9441b737bd3d6aa9b9ca01594a", kill_on_drop: false }` [INFO] [stdout] 1f193b140ef0c02d87c40b84319dbaad3ef17e9441b737bd3d6aa9b9ca01594a