[INFO] cloning repository https://github.com/itarato/langtwo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itarato/langtwo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitarato%2Flangtwo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitarato%2Flangtwo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] be6a7ee4c83d5d78fb0481370899058bfd3dfdc2 [INFO] checking itarato/langtwo against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitarato%2Flangtwo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/itarato/langtwo 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/itarato/langtwo [INFO] finished tweaking git repo https://github.com/itarato/langtwo [INFO] tweaked toml for git repo https://github.com/itarato/langtwo written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/itarato/langtwo 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded humantime v1.3.0 [INFO] [stderr] Downloaded pretty_env_logger v0.4.0 [INFO] [stderr] Downloaded env_logger v0.7.1 [INFO] [stderr] Downloaded memchr v2.6.3 [INFO] [stderr] Downloaded regex v1.9.5 [INFO] [stderr] Downloaded aho-corasick v1.0.5 [INFO] [stderr] Downloaded regex-syntax v0.7.5 [INFO] [stderr] Downloaded regex-automata v0.3.8 [INFO] [stderr] Downloaded libc v0.2.147 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8301398dff658f97d8c0a2ea0b5166afe5c86e02db34243b7626a60e62abce6d [INFO] running `Command { std: "docker" "start" "-a" "8301398dff658f97d8c0a2ea0b5166afe5c86e02db34243b7626a60e62abce6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8301398dff658f97d8c0a2ea0b5166afe5c86e02db34243b7626a60e62abce6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8301398dff658f97d8c0a2ea0b5166afe5c86e02db34243b7626a60e62abce6d", kill_on_drop: false }` [INFO] [stdout] 8301398dff658f97d8c0a2ea0b5166afe5c86e02db34243b7626a60e62abce6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ba1ab3fe8234d605e003b3ee1b5d4d51c3342532e25003bf74791be9411cc365 [INFO] running `Command { std: "docker" "start" "-a" "ba1ab3fe8234d605e003b3ee1b5d4d51c3342532e25003bf74791be9411cc365", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking aho-corasick v1.0.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking langtwo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/ir_builder.rs:175:26 [INFO] [stdout] | [INFO] [stdout] 175 | AstExpr::Str(s) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Eq`, `NotEq`, `Lt`, `Lte`, `Gt`, and `Gte` are never constructed [INFO] [stdout] --> src/ir.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub enum CondResult { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 21 | Eq, [INFO] [stdout] | ^^ [INFO] [stdout] 22 | NotEq, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 23 | Lt, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | Lte, [INFO] [stdout] | ^^^ [INFO] [stdout] 25 | Gt, [INFO] [stdout] | ^^ [INFO] [stdout] 26 | Gte, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CondResult` 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: multiple variants are never constructed [INFO] [stdout] --> src/ir.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Operation { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 37 | PushI(i32), [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | AddI { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | SubI { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | MulI { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | DivI { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | Load { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | LoadAI { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | LoadAO { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | Store { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | StoreAI { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | StoreAO { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | Ci2i { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 128 | Jump(Reg), [INFO] [stdout] | ^^^^ [INFO] [stdout] 129 | [INFO] [stdout] 130 | Tbl { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 160 | CmpNotEq { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 172 | Comp { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `instructions` and `return_reg` are never read [INFO] [stdout] --> src/ir.rs:181:9 [INFO] [stdout] | [INFO] [stdout] 180 | pub struct IR { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] 181 | pub instructions: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 182 | pub return_reg: Option, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IR` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_eof` is never used [INFO] [stdout] --> src/source_reader.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait SourceReader<'a> { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] 2 | fn is_eof(&self) -> bool; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `STACK_SIZE` is never used [INFO] [stdout] --> src/vm.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const STACK_SIZE: usize = 256; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Scope` is never constructed [INFO] [stdout] --> src/vm.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Scope { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/vm.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl Scope { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 12 | fn new() -> Scope { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `VM` is never constructed [INFO] [stdout] --> src/vm.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct VM { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `run`, `reg_set`, and `reg_get` are never used [INFO] [stdout] --> src/vm.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl VM { [INFO] [stdout] | ------- associated items in this implementation [INFO] [stdout] 30 | pub fn new(ir: IR) -> VM { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | pub fn run(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 150 | fn reg_set(&mut self, reg: Reg, value: i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 162 | fn reg_get(&self, reg: &Reg) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/ir_builder.rs:175:26 [INFO] [stdout] | [INFO] [stdout] 175 | AstExpr::Str(s) => unimplemented!(), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Eq`, `NotEq`, `Lt`, `Lte`, `Gt`, and `Gte` are never constructed [INFO] [stdout] --> src/ir.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub enum CondResult { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 21 | Eq, [INFO] [stdout] | ^^ [INFO] [stdout] 22 | NotEq, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 23 | Lt, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | Lte, [INFO] [stdout] | ^^^ [INFO] [stdout] 25 | Gt, [INFO] [stdout] | ^^ [INFO] [stdout] 26 | Gte, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CondResult` 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: multiple variants are never constructed [INFO] [stdout] --> src/ir.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Operation { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 37 | PushI(i32), [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | AddI { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | SubI { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | MulI { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | DivI { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | Load { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | LoadAI { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | LoadAO { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | Store { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | StoreAI { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | StoreAO { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | Ci2i { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 128 | Jump(Reg), [INFO] [stdout] | ^^^^ [INFO] [stdout] 129 | [INFO] [stdout] 130 | Tbl { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 160 | CmpNotEq { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 172 | Comp { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.90s [INFO] running `Command { std: "docker" "inspect" "ba1ab3fe8234d605e003b3ee1b5d4d51c3342532e25003bf74791be9411cc365", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba1ab3fe8234d605e003b3ee1b5d4d51c3342532e25003bf74791be9411cc365", kill_on_drop: false }` [INFO] [stdout] ba1ab3fe8234d605e003b3ee1b5d4d51c3342532e25003bf74791be9411cc365