[INFO] fetching crate liblox 0.16.0...
[INFO] testing liblox-0.16.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate liblox 0.16.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate liblox 0.16.0
[INFO] finished tweaking crates.io crate liblox 0.16.0
[INFO] tweaked toml for crates.io crate liblox 0.16.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate liblox 0.16.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 472fc4e0b8d09ce601821745c445b30071fd7f93d653c635b0d8e33840acfd64
[INFO] running `Command { std: "docker" "start" "-a" "472fc4e0b8d09ce601821745c445b30071fd7f93d653c635b0d8e33840acfd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "472fc4e0b8d09ce601821745c445b30071fd7f93d653c635b0d8e33840acfd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472fc4e0b8d09ce601821745c445b30071fd7f93d653c635b0d8e33840acfd64", kill_on_drop: false }`
[INFO] [stdout] 472fc4e0b8d09ce601821745c445b30071fd7f93d653c635b0d8e33840acfd64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8821d82676716462121876b413ecf8069736d6a53d0f9cc76fe55cee12f5a8c4
[INFO] running `Command { std: "docker" "start" "-a" "8821d82676716462121876b413ecf8069736d6a53d0f9cc76fe55cee12f5a8c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling liblox v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LoxError`
[INFO] [stdout]   --> src/vm.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::{LoxError, LoxResult};
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precedence`
[INFO] [stdout]    --> src/compiler.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn parse_precedence(&mut self, precedence: Precedence) {}
[INFO] [stdout]     |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precedence`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/compiler.rs:186:26
[INFO] [stdout]     |
[INFO] [stdout] 186 |         TokenType::Error(err) => (),
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_constant` is never used
[INFO] [stdout]   --> src/chunk.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn push_constant(&mut self, value: Value) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `error`, `emit_bytes`, `emit_constant`, `number`, `grouping`, and `unary` are never used
[INFO] [stdout]    --> src/compiler.rs:94:8
[INFO] [stdout]     |
[INFO] [stdout]  35 | impl<'a> Compiler<'a> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn error(&self, msg: &str) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn emit_bytes(&mut self, bytes: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn emit_constant(&mut self, value: Value) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn number(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn grouping(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn unary(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/compiler.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | enum Precedence {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 194 |     None = 0,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 195 |     Assignment, // =
[INFO] [stdout] 196 |     Or,         // or
[INFO] [stdout]     |     ^^
[INFO] [stdout] 197 |     And,        // and
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 198 |     Equality,   // == !=
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 199 |     Comparison, // < > <= >=
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 200 |     Term,       // + -
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 201 |     Factor,     // * /
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 202 |     Unary,      // ! -
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 203 |     Call,       // . ()
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 204 |     Primary,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_chunk` is never used
[INFO] [stdout]   --> src/debug.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn disassemble_chunk(c: &Chunk, name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `had_error` and `panic_mode` are never read
[INFO] [stdout]   --> src/parser.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Parser {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub had_error: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 24 |     pub panic_mode: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` 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 `reset_stack` is never used
[INFO] [stdout]    --> src/vm.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl VM {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn reset_stack(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Parser,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Compiler,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     VM,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "8821d82676716462121876b413ecf8069736d6a53d0f9cc76fe55cee12f5a8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8821d82676716462121876b413ecf8069736d6a53d0f9cc76fe55cee12f5a8c4", kill_on_drop: false }`
[INFO] [stdout] 8821d82676716462121876b413ecf8069736d6a53d0f9cc76fe55cee12f5a8c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab10f3be16845cae5132b9d8e4ef3013a151e87f4db28de2e4708c7408cd65c0
[INFO] running `Command { std: "docker" "start" "-a" "ab10f3be16845cae5132b9d8e4ef3013a151e87f4db28de2e4708c7408cd65c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling liblox v0.16.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LoxError`
[INFO] [stdout]   --> src/vm.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::{LoxError, LoxResult};
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precedence`
[INFO] [stdout]    --> src/compiler.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn parse_precedence(&mut self, precedence: Precedence) {}
[INFO] [stdout]     |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precedence`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/compiler.rs:186:26
[INFO] [stdout]     |
[INFO] [stdout] 186 |         TokenType::Error(err) => (),
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_constant` is never used
[INFO] [stdout]   --> src/chunk.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn push_constant(&mut self, value: Value) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `error`, `emit_bytes`, `emit_constant`, `number`, `grouping`, and `unary` are never used
[INFO] [stdout]    --> src/compiler.rs:94:8
[INFO] [stdout]     |
[INFO] [stdout]  35 | impl<'a> Compiler<'a> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn error(&self, msg: &str) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn emit_bytes(&mut self, bytes: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn emit_constant(&mut self, value: Value) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn number(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn grouping(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn unary(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/compiler.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | enum Precedence {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 194 |     None = 0,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 195 |     Assignment, // =
[INFO] [stdout] 196 |     Or,         // or
[INFO] [stdout]     |     ^^
[INFO] [stdout] 197 |     And,        // and
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 198 |     Equality,   // == !=
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 199 |     Comparison, // < > <= >=
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 200 |     Term,       // + -
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 201 |     Factor,     // * /
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 202 |     Unary,      // ! -
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 203 |     Call,       // . ()
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 204 |     Primary,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_chunk` is never used
[INFO] [stdout]   --> src/debug.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn disassemble_chunk(c: &Chunk, name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `had_error` and `panic_mode` are never read
[INFO] [stdout]   --> src/parser.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Parser {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub had_error: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 24 |     pub panic_mode: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` 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 `reset_stack` is never used
[INFO] [stdout]    --> src/vm.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl VM {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn reset_stack(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Parser,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Compiler,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     VM,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/chunk.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/compiler.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LoxError`
[INFO] [stdout]   --> src/vm.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::{LoxError, LoxResult};
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/vm.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precedence`
[INFO] [stdout]    --> src/compiler.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn parse_precedence(&mut self, precedence: Precedence) {}
[INFO] [stdout]     |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precedence`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/compiler.rs:186:26
[INFO] [stdout]     |
[INFO] [stdout] 186 |         TokenType::Error(err) => (),
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_constant` is never used
[INFO] [stdout]   --> src/chunk.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn push_constant(&mut self, value: Value) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `error`, `emit_bytes`, `emit_constant`, `number`, `grouping`, and `unary` are never used
[INFO] [stdout]    --> src/compiler.rs:94:8
[INFO] [stdout]     |
[INFO] [stdout]  35 | impl<'a> Compiler<'a> {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn error(&self, msg: &str) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn emit_bytes(&mut self, bytes: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn emit_constant(&mut self, value: Value) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn number(&mut self) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn grouping(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn unary(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/compiler.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | enum Precedence {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 194 |     None = 0,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 195 |     Assignment, // =
[INFO] [stdout] 196 |     Or,         // or
[INFO] [stdout]     |     ^^
[INFO] [stdout] 197 |     And,        // and
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 198 |     Equality,   // == !=
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 199 |     Comparison, // < > <= >=
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 200 |     Term,       // + -
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 201 |     Factor,     // * /
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 202 |     Unary,      // ! -
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 203 |     Call,       // . ()
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 204 |     Primary,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_chunk` is never used
[INFO] [stdout]   --> src/debug.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn disassemble_chunk(c: &Chunk, name: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `had_error` and `panic_mode` are never read
[INFO] [stdout]   --> src/parser.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Parser {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub had_error: bool,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 24 |     pub panic_mode: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` 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 `reset_stack` is never used
[INFO] [stdout]    --> src/vm.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl VM {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn reset_stack(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Parser,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Compiler,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a variant
[INFO] [stdout]   --> src/error.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     VM,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "ab10f3be16845cae5132b9d8e4ef3013a151e87f4db28de2e4708c7408cd65c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab10f3be16845cae5132b9d8e4ef3013a151e87f4db28de2e4708c7408cd65c0", kill_on_drop: false }`
[INFO] [stdout] ab10f3be16845cae5132b9d8e4ef3013a151e87f4db28de2e4708c7408cd65c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a3505182807553a2d6c9af301d1eb683dd6b275838dba6825abfbc9ac42d8af
[INFO] running `Command { std: "docker" "start" "-a" "6a3505182807553a2d6c9af301d1eb683dd6b275838dba6825abfbc9ac42d8af", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `LoxError`
[INFO] [stderr]   --> src/vm.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 | use crate::{LoxError, LoxResult};
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `precedence`
[INFO] [stderr]    --> src/compiler.rs:141:36
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn parse_precedence(&mut self, precedence: Precedence) {}
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precedence`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/compiler.rs:186:26
[INFO] [stderr]     |
[INFO] [stderr] 186 |         TokenType::Error(err) => (),
[INFO] [stderr]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: method `push_constant` is never used
[INFO] [stderr]   --> src/chunk.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Chunk {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 42 |     pub fn push_constant(&mut self, value: Value) -> u8 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `error`, `emit_bytes`, `emit_constant`, `number`, `grouping`, and `unary` are never used
[INFO] [stderr]    --> src/compiler.rs:94:8
[INFO] [stderr]     |
[INFO] [stderr]  35 | impl<'a> Compiler<'a> {
[INFO] [stderr]     | --------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  94 |     fn error(&self, msg: &str) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |     fn emit_bytes(&mut self, bytes: &[u8]) {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 125 |     fn emit_constant(&mut self, value: Value) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 146 |     fn number(&mut self) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 158 |     fn grouping(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 163 |     fn unary(&mut self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]    --> src/compiler.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 193 | enum Precedence {
[INFO] [stderr]     |      ---------- variants in this enum
[INFO] [stderr] 194 |     None = 0,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 195 |     Assignment, // =
[INFO] [stderr] 196 |     Or,         // or
[INFO] [stderr]     |     ^^
[INFO] [stderr] 197 |     And,        // and
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 198 |     Equality,   // == !=
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 199 |     Comparison, // < > <= >=
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 200 |     Term,       // + -
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 201 |     Factor,     // * /
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 202 |     Unary,      // ! -
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 203 |     Call,       // . ()
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 204 |     Primary,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `disassemble_chunk` is never used
[INFO] [stderr]   --> src/debug.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn disassemble_chunk(c: &Chunk, name: &str) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `had_error` and `panic_mode` are never read
[INFO] [stderr]   --> src/parser.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Parser {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub had_error: bool,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 24 |     pub panic_mode: bool,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `reset_stack` is never used
[INFO] [stderr]    --> src/vm.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr]  47 | impl VM {
[INFO] [stderr]     | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 115 |     fn reset_stack(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/error.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Parser,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/error.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Compiler,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a variant
[INFO] [stderr]   --> src/error.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     VM,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `liblox` (lib) generated 12 warnings (run `cargo fix --lib -p liblox` to apply 3 suggestions)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/chunk.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/compiler.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LoxError`
[INFO] [stderr]   --> src/vm.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 | use crate::{LoxError, LoxResult};
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/vm.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `liblox` (lib test) generated 15 warnings (11 duplicates) (run `cargo fix --lib -p liblox --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liblox-c8419a5c16bf52d9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test scanner::tests::scanner_peek_next ... ok
[INFO] [stdout] test scanner::tests::scanner_peek ... ok
[INFO] [stdout] test scanner::tests::scanner_scan_token ... ok
[INFO] [stderr]    Doc-tests liblox
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a3505182807553a2d6c9af301d1eb683dd6b275838dba6825abfbc9ac42d8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3505182807553a2d6c9af301d1eb683dd6b275838dba6825abfbc9ac42d8af", kill_on_drop: false }`
[INFO] [stdout] 6a3505182807553a2d6c9af301d1eb683dd6b275838dba6825abfbc9ac42d8af
