[INFO] cloning repository https://github.com/danijelkecman/interpreter-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danijelkecman/interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanijelkecman%2Finterpreter-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanijelkecman%2Finterpreter-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5de94e6bea11808e61e7680687ec0f3caddac14
[INFO] checking danijelkecman/interpreter-rust against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanijelkecman%2Finterpreter-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danijelkecman/interpreter-rust
[INFO] finished tweaking git repo https://github.com/danijelkecman/interpreter-rust
[INFO] tweaked toml for git repo https://github.com/danijelkecman/interpreter-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danijelkecman/interpreter-rust on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danijelkecman/interpreter-rust 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f258461a00b0b16f1b6c531b3f3aec607252fbd0d0b81ee6a1fc12f6edc93be
[INFO] running `Command { std: "docker" "start" "-a" "9f258461a00b0b16f1b6c531b3f3aec607252fbd0d0b81ee6a1fc12f6edc93be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f258461a00b0b16f1b6c531b3f3aec607252fbd0d0b81ee6a1fc12f6edc93be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f258461a00b0b16f1b6c531b3f3aec607252fbd0d0b81ee6a1fc12f6edc93be", kill_on_drop: false }`
[INFO] [stdout] 9f258461a00b0b16f1b6c531b3f3aec607252fbd0d0b81ee6a1fc12f6edc93be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a37bf969f15a7acbec5d95a245d19ee4e915324fd463da98f7b84cb375cc1b6
[INFO] running `Command { std: "docker" "start" "-a" "3a37bf969f15a7acbec5d95a245d19ee4e915324fd463da98f7b84cb375cc1b6", kill_on_drop: false }`
[INFO] [stderr]     Checking crusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/reader.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     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/tokenize.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/parser.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/evaluate.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]  --> src/reader.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn read_source(filename: &str) -> Result<Source, Error> {
[INFO] [stdout]   |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]  --> src/tokenize.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn tokenize(source: Source) -> Result<Tokens, Error> {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]  --> src/parser.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse(tokens: Tokens) -> Result<AST, Error> {
[INFO] [stdout]   |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]  --> src/evaluate.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn evaluate(ast: AST) -> Result<Output, Error> {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let out = evaluate::evaluate(ast)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]  --> src/reader.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn read_source(filename: &str) -> Result<Source, Error> {
[INFO] [stdout]   |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]  --> src/tokenize.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn tokenize(source: Source) -> Result<Tokens, Error> {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]  --> src/parser.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse(tokens: Tokens) -> Result<AST, Error> {
[INFO] [stdout]   |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]  --> src/evaluate.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn evaluate(ast: AST) -> Result<Output, Error> {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let out = evaluate::evaluate(ast)?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3a37bf969f15a7acbec5d95a245d19ee4e915324fd463da98f7b84cb375cc1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a37bf969f15a7acbec5d95a245d19ee4e915324fd463da98f7b84cb375cc1b6", kill_on_drop: false }`
[INFO] [stdout] 3a37bf969f15a7acbec5d95a245d19ee4e915324fd463da98f7b84cb375cc1b6
