[INFO] cloning repository https://github.com/Eric-Arellano/rust-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eric-Arellano/rust-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEric-Arellano%2Frust-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEric-Arellano%2Frust-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9fbd8e53d318252573bebe0958825033ea90962
[INFO] checking Eric-Arellano/rust-compiler/e9fbd8e53d318252573bebe0958825033ea90962 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEric-Arellano%2Frust-compiler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eric-Arellano/rust-compiler on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eric-Arellano/rust-compiler
[INFO] finished tweaking git repo https://github.com/Eric-Arellano/rust-compiler
[INFO] tweaked toml for git repo https://github.com/Eric-Arellano/rust-compiler written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Eric-Arellano/rust-compiler 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a06aa17c315806e88c2cb8de258b65d5da452a5a0953478b8466bb14be5b89eb
[INFO] running `Command { std: "docker" "start" "-a" "a06aa17c315806e88c2cb8de258b65d5da452a5a0953478b8466bb14be5b89eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a06aa17c315806e88c2cb8de258b65d5da452a5a0953478b8466bb14be5b89eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06aa17c315806e88c2cb8de258b65d5da452a5a0953478b8466bb14be5b89eb", kill_on_drop: false }`
[INFO] [stdout] a06aa17c315806e88c2cb8de258b65d5da452a5a0953478b8466bb14be5b89eb
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db67917d18856712bce7c2a78d893b8b36c82e0e9e13f3e1fa0eb91376c389d
[INFO] running `Command { std: "docker" "start" "-a" "7db67917d18856712bce7c2a78d893b8b36c82e0e9e13f3e1fa0eb91376c389d", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Goto` is never constructed
[INFO] [stdout]   --> src/parser/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Statement {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Goto(Box<StatementNode>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expect_num` is never used
[INFO] [stdout]    --> src/parser/mod.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 70  | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn expect_num(&mut self) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Goto` is never constructed
[INFO] [stdout]   --> src/parser/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Statement {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Goto(Box<StatementNode>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expect_num` is never used
[INFO] [stdout]    --> src/parser/mod.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 70  | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn expect_num(&mut self) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "7db67917d18856712bce7c2a78d893b8b36c82e0e9e13f3e1fa0eb91376c389d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db67917d18856712bce7c2a78d893b8b36c82e0e9e13f3e1fa0eb91376c389d", kill_on_drop: false }`
[INFO] [stdout] 7db67917d18856712bce7c2a78d893b8b36c82e0e9e13f3e1fa0eb91376c389d