[INFO] cloning repository https://github.com/JamieBShaw/interpreter_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamieBShaw/interpreter_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieBShaw%2Finterpreter_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieBShaw%2Finterpreter_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3773a30577e22d5f5800d4df1aa83a713470edda
[INFO] testing JamieBShaw/interpreter_in_rust against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamieBShaw%2Finterpreter_in_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/JamieBShaw/interpreter_in_rust
[INFO] finished tweaking git repo https://github.com/JamieBShaw/interpreter_in_rust
[INFO] tweaked toml for git repo https://github.com/JamieBShaw/interpreter_in_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JamieBShaw/interpreter_in_rust on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JamieBShaw/interpreter_in_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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564
[INFO] running `Command { std: "docker" "start" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpreter_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/lexer.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]   --> src/lexer.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct Lexer {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/lexer.rs:80:8
[INFO] [stdout]     |
[INFO] [stdout]  79 | impl Lexer {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  80 |     fn new(input: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     fn read_char(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn next_token(&mut self) -> Token {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     fn peek_char(&self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     fn read_ident(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn read_int(&mut self) -> String {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn skip_whitespace(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpreter_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `ILLEGAL` is never constructed
[INFO] [stdout]  --> src/lexer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 5 |     ILLEGAL,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: variant `ILLEGAL` is never constructed
[INFO] [stderr]  --> src/lexer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Token {
[INFO] [stderr]   |          ----- variant in this enum
[INFO] [stderr] 5 |     ILLEGAL,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `interpreter_in_rust` (bin "interpreter_in_rust" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/interpreter_in_rust/f1aff7676d7707c5/out/interpreter_in_rust-f1aff7676d7707c5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test lexer::tests::test_next_token_complex_even_more_and_more_complex ... ok
[INFO] [stdout] test lexer::tests::test_next_token_complex ... ok
[INFO] [stdout] test lexer::tests::test_next_token_complex_even_more_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564", kill_on_drop: false }`
[INFO] [stdout] 3aaa0f99706fc716e71fa10af4b85a56e085330a8511c9f28032b59266053564