[INFO] cloning repository https://github.com/tedbauer/capers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tedbauer/capers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbauer%2Fcapers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbauer%2Fcapers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d450b656c6b25f5f4f3076ca2d4cd8a6ddfcc291
[INFO] testing tedbauer/capers against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbauer%2Fcapers" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tedbauer/capers
[INFO] finished tweaking git repo https://github.com/tedbauer/capers
[INFO] tweaked toml for git repo https://github.com/tedbauer/capers written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tedbauer/capers on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tedbauer/capers 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 457d00fa4150f5734bab9fd22cc534c96250fd03ba85cc0cf9f65592c6fee6c9
[INFO] running `Command { std: "docker" "start" "-a" "457d00fa4150f5734bab9fd22cc534c96250fd03ba85cc0cf9f65592c6fee6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "457d00fa4150f5734bab9fd22cc534c96250fd03ba85cc0cf9f65592c6fee6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457d00fa4150f5734bab9fd22cc534c96250fd03ba85cc0cf9f65592c6fee6c9", kill_on_drop: false }`
[INFO] [stdout] 457d00fa4150f5734bab9fd22cc534c96250fd03ba85cc0cf9f65592c6fee6c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc30b847c46dcd704a62e7e48114f7a5f644cc4d2343325349adde7246580821
[INFO] running `Command { std: "docker" "start" "-a" "bc30b847c46dcd704a62e7e48114f7a5f644cc4d2343325349adde7246580821", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling capers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `scanner::TokenType`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use scanner::TokenType;
[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: `tokens`
[INFO] [stdout]  --> src/parser.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parse(tokens: &Vec<Token>) -> Expression {
[INFO] [stdout]   |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/vm.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), std::fmt::Error> {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryExpressionType` is never used
[INFO] [stdout]  --> src/ast.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum UnaryExpressionType {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryExpressionType` is never used
[INFO] [stdout]  --> src/ast.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum BinaryExpressionType {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Expression {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]  --> src/parser.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parse(tokens: &Vec<Token>) -> Expression {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Eof` is never constructed
[INFO] [stdout]   --> src/scanner.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 44 |     Eof,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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: union `Value` is never used
[INFO] [stdout]  --> src/vm.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | union Value {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Negate` is never constructed
[INFO] [stdout]   --> src/vm.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum OpCode {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Negate,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CompileError` and `RuntimeError` are never constructed
[INFO] [stdout]   --> src/vm.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | enum InterpretResult {
[INFO] [stdout]    |      --------------- variants in this enum
[INFO] [stdout] 93 |     Ok,
[INFO] [stdout] 94 |     CompileError,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 95 |     RuntimeError,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/emit.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 expr_emit(tokens, chunk_acc, op_power(&t).unwrap());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = expr_emit(tokens, chunk_acc, op_power(&t).unwrap());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/emit.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 try_push_operator(&t, chunk_acc);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let _ = try_push_operator(&t, chunk_acc);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/emit.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 try_push_operator(&token, chunk_acc);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 let _ = try_push_operator(&token, chunk_acc);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "bc30b847c46dcd704a62e7e48114f7a5f644cc4d2343325349adde7246580821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc30b847c46dcd704a62e7e48114f7a5f644cc4d2343325349adde7246580821", kill_on_drop: false }`
[INFO] [stdout] bc30b847c46dcd704a62e7e48114f7a5f644cc4d2343325349adde7246580821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 336b2291ee1d09fb418457560cf5c8f267bfd6cf69df4931e1027b448885e581
[INFO] running `Command { std: "docker" "start" "-a" "336b2291ee1d09fb418457560cf5c8f267bfd6cf69df4931e1027b448885e581", kill_on_drop: false }`
[INFO] [stderr]    Compiling capers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `scanner::TokenType`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use scanner::TokenType;
[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: `tokens`
[INFO] [stdout]  --> src/parser.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parse(tokens: &Vec<Token>) -> Expression {
[INFO] [stdout]   |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/vm.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), std::fmt::Error> {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryExpressionType` is never used
[INFO] [stdout]  --> src/ast.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum UnaryExpressionType {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryExpressionType` is never used
[INFO] [stdout]  --> src/ast.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum BinaryExpressionType {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Expression {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]  --> src/parser.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parse(tokens: &Vec<Token>) -> Expression {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Eof` is never constructed
[INFO] [stdout]   --> src/scanner.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 44 |     Eof,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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: union `Value` is never used
[INFO] [stdout]  --> src/vm.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | union Value {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Negate` is never constructed
[INFO] [stdout]   --> src/vm.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum OpCode {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Negate,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CompileError` and `RuntimeError` are never constructed
[INFO] [stdout]   --> src/vm.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | enum InterpretResult {
[INFO] [stdout]    |      --------------- variants in this enum
[INFO] [stdout] 93 |     Ok,
[INFO] [stdout] 94 |     CompileError,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 95 |     RuntimeError,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/emit.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 expr_emit(tokens, chunk_acc, op_power(&t).unwrap());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 let _ = expr_emit(tokens, chunk_acc, op_power(&t).unwrap());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/emit.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 try_push_operator(&t, chunk_acc);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let _ = try_push_operator(&t, chunk_acc);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/emit.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 try_push_operator(&token, chunk_acc);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 let _ = try_push_operator(&token, chunk_acc);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "336b2291ee1d09fb418457560cf5c8f267bfd6cf69df4931e1027b448885e581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336b2291ee1d09fb418457560cf5c8f267bfd6cf69df4931e1027b448885e581", kill_on_drop: false }`
[INFO] [stdout] 336b2291ee1d09fb418457560cf5c8f267bfd6cf69df4931e1027b448885e581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddc881bdabbd8b9ac92774ba54dfd154f981e815e4293e6e08dd2a017c6d13f6
[INFO] running `Command { std: "docker" "start" "-a" "ddc881bdabbd8b9ac92774ba54dfd154f981e815e4293e6e08dd2a017c6d13f6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `scanner::TokenType`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use scanner::TokenType;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tokens`
[INFO] [stderr]  --> src/parser.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn parse(tokens: &Vec<Token>) -> Expression {
[INFO] [stderr]   |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/vm.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), std::fmt::Error> {
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: enum `UnaryExpressionType` is never used
[INFO] [stderr]  --> src/ast.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum UnaryExpressionType {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `BinaryExpressionType` is never used
[INFO] [stderr]  --> src/ast.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum BinaryExpressionType {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Expression` is never used
[INFO] [stderr]   --> src/ast.rs:22:10
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub enum Expression {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse` is never used
[INFO] [stderr]  --> src/parser.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn parse(tokens: &Vec<Token>) -> Expression {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Eof` is never constructed
[INFO] [stderr]   --> src/scanner.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr]  5 | pub enum TokenType {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 44 |     Eof,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: union `Value` is never used
[INFO] [stderr]  --> src/vm.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | union Value {
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Negate` is never constructed
[INFO] [stderr]   --> src/vm.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub enum OpCode {
[INFO] [stderr]    |          ------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 17 |     Negate,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `OpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `CompileError` and `RuntimeError` are never constructed
[INFO] [stderr]   --> src/vm.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 92 | enum InterpretResult {
[INFO] [stderr]    |      --------------- variants in this enum
[INFO] [stderr] 93 |     Ok,
[INFO] [stderr] 94 |     CompileError,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 95 |     RuntimeError,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/emit.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 expr_emit(tokens, chunk_acc, op_power(&t).unwrap());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let _ = expr_emit(tokens, chunk_acc, op_power(&t).unwrap());
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/emit.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 try_push_operator(&t, chunk_acc);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let _ = try_push_operator(&t, chunk_acc);
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/emit.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 try_push_operator(&token, chunk_acc);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 let _ = try_push_operator(&token, chunk_acc);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `capers` (bin "capers" test) generated 14 warnings (run `cargo fix --bin "capers" -p capers --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/capers-5a255e67e61e5b92)
[INFO] running `Command { std: "docker" "inspect" "ddc881bdabbd8b9ac92774ba54dfd154f981e815e4293e6e08dd2a017c6d13f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc881bdabbd8b9ac92774ba54dfd154f981e815e4293e6e08dd2a017c6d13f6", kill_on_drop: false }`
[INFO] [stdout] ddc881bdabbd8b9ac92774ba54dfd154f981e815e4293e6e08dd2a017c6d13f6
