[INFO] cloning repository https://github.com/eckertliam/lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eckertliam/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feckertliam%2Flox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feckertliam%2Flox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d126b0d9b01dd26348795ccd063cbcecb9fa0ded [INFO] checking eckertliam/lox against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feckertliam%2Flox" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/eckertliam/lox [INFO] finished tweaking git repo https://github.com/eckertliam/lox [INFO] tweaked toml for git repo https://github.com/eckertliam/lox written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/eckertliam/lox on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/eckertliam/lox 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking eckertliam/lox against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feckertliam%2Flox" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/eckertliam/lox [INFO] finished tweaking git repo https://github.com/eckertliam/lox [INFO] tweaked toml for git repo https://github.com/eckertliam/lox written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/eckertliam/lox on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/eckertliam/lox 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dfb92c7bbf103d6fb461fa2156e17076b42f7500e78330c9bce13a5f968333a0 [INFO] running `Command { std: "docker" "start" "-a" "dfb92c7bbf103d6fb461fa2156e17076b42f7500e78330c9bce13a5f968333a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfb92c7bbf103d6fb461fa2156e17076b42f7500e78330c9bce13a5f968333a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfb92c7bbf103d6fb461fa2156e17076b42f7500e78330c9bce13a5f968333a0", kill_on_drop: false }` [INFO] [stdout] dfb92c7bbf103d6fb461fa2156e17076b42f7500e78330c9bce13a5f968333a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77ff166ffffef4a2e5601dd409556f64bf16ac611dce15f758f3a194eb15fa5f [INFO] running `Command { std: "docker" "start" "-a" "77ff166ffffef4a2e5601dd409556f64bf16ac611dce15f758f3a194eb15fa5f", kill_on_drop: false }` [INFO] [stderr] Checking lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut line = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut line = String::new(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `VERSION` is never used [INFO] [stdout] --> src/main.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | const VERSION: &str = "0.0.1"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Modulo` is never constructed [INFO] [stdout] --> src/opcode.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum OpCode { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 16 | Modulo, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OpCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/chunk.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Chunk { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 5 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Chunk` 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 `write_opcode` is never used [INFO] [stdout] --> src/chunk.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Chunk { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn write_opcode(&mut self, opcode: OpCode, line: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_truthy` and `not_equal` are never used [INFO] [stdout] --> src/value.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 23 | pub fn is_truthy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn not_equal(&self, other: &Value) -> Value { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `reset` and `peek` are never used [INFO] [stdout] --> src/vm.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Stack { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn reset(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn peek(&self, distance: usize) -> &Value { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Or`, `And`, `Call`, and `Primary` are never constructed [INFO] [stdout] --> src/compiler.rs:226:5 [INFO] [stdout] | [INFO] [stdout] 223 | enum Precedence { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 226 | Or, [INFO] [stdout] | ^^ [INFO] [stdout] 227 | And, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 233 | Call, [INFO] [stdout] | ^^^^ [INFO] [stdout] 234 | Primary, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Precedence` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `identifier` is never used [INFO] [stdout] --> src/scanner.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl<'src> Scanner<'src> { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 106 | fn identifier(&mut self) -> Token<'src> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut line = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut line = String::new(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `VERSION` is never used [INFO] [stdout] --> src/main.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | const VERSION: &str = "0.0.1"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Modulo` is never constructed [INFO] [stdout] --> src/opcode.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub enum OpCode { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 16 | Modulo, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OpCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/chunk.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Chunk { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 5 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Chunk` 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 `write_opcode` is never used [INFO] [stdout] --> src/chunk.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Chunk { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn write_opcode(&mut self, opcode: OpCode, line: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_truthy` and `not_equal` are never used [INFO] [stdout] --> src/value.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 23 | pub fn is_truthy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 85 | pub fn not_equal(&self, other: &Value) -> Value { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `reset` and `peek` are never used [INFO] [stdout] --> src/vm.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Stack { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn reset(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn peek(&self, distance: usize) -> &Value { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `identifier` is never used [INFO] [stdout] --> src/scanner.rs:106:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl<'src> Scanner<'src> { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 106 | fn identifier(&mut self) -> Token<'src> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique [INFO] [stdout] --> src/compiler.rs:523:9 [INFO] [stdout] | [INFO] [stdout] 523 | assert_eq!(rule.prefix, None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the address of the same function can vary between different codegen units [INFO] [stdout] = note: furthermore, different functions could have the same address after being merged together [INFO] [stdout] = note: for more information visit [INFO] [stdout] = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default [INFO] [stdout] = note: this warning originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "77ff166ffffef4a2e5601dd409556f64bf16ac611dce15f758f3a194eb15fa5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77ff166ffffef4a2e5601dd409556f64bf16ac611dce15f758f3a194eb15fa5f", kill_on_drop: false }` [INFO] [stdout] 77ff166ffffef4a2e5601dd409556f64bf16ac611dce15f758f3a194eb15fa5f