[INFO] cloning repository https://github.com/ditadi/rust-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ditadi/rust-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fditadi%2Frust-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fditadi%2Frust-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5f913e71f58ca71d6440b37f84070b62e753e9a4 [INFO] checking ditadi/rust-interpreter against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fditadi%2Frust-interpreter" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ditadi/rust-interpreter [INFO] finished tweaking git repo https://github.com/ditadi/rust-interpreter [INFO] tweaked toml for git repo https://github.com/ditadi/rust-interpreter written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ditadi/rust-interpreter on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ditadi/rust-interpreter 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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-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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c1e344ba6d00510bcd378b8dbb2b614617753091e3e73f6f49614912aaf724b [INFO] running `Command { std: "docker" "start" "-a" "6c1e344ba6d00510bcd378b8dbb2b614617753091e3e73f6f49614912aaf724b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c1e344ba6d00510bcd378b8dbb2b614617753091e3e73f6f49614912aaf724b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c1e344ba6d00510bcd378b8dbb2b614617753091e3e73f6f49614912aaf724b", kill_on_drop: false }` [INFO] [stdout] 6c1e344ba6d00510bcd378b8dbb2b614617753091e3e73f6f49614912aaf724b [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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d3dacc12718d11cc085423488d1a16faa73635ebe2c689f6787fdb0a3634cf2 [INFO] running `Command { std: "docker" "start" "-a" "3d3dacc12718d11cc085423488d1a16faa73635ebe2c689f6787fdb0a3634cf2", kill_on_drop: false }` [INFO] [stderr] Checking rust-interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Lexer` is never constructed [INFO] [stdout] --> src/lexer/lexer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Lexer { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `read_char`, `read_number`, `read_identifier`, `skip_whitespaces`, and `next_token` are never used [INFO] [stdout] --> src/lexer/lexer.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Lexer { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 12 | pub fn new(input: Vec) -> Lexer { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn read_char(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn read_number(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn read_identifier(&mut self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn skip_whitespaces(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | pub fn next_token(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TokenType` is never used [INFO] [stdout] --> src/token/token.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum TokenType { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Token` is never constructed [INFO] [stdout] --> src/token/token.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `get_identifier_token` are never used [INFO] [stdout] --> src/token/token.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 33 | impl Token { [INFO] [stdout] | ---------- associated functions in this implementation [INFO] [stdout] 34 | pub fn new(token_type: TokenType, ch: char) -> Token { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn get_identifier_token(ident: String) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `EOF` is never constructed [INFO] [stdout] --> src/token/token.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum TokenType { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 3 | ILLEGAL, [INFO] [stdout] 4 | EOF, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` 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] [stdout] warning: field `literal` is never read [INFO] [stdout] --> src/token/token.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 29 | pub token_type: TokenType, [INFO] [stdout] 30 | pub literal: char, [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] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] running `Command { std: "docker" "inspect" "3d3dacc12718d11cc085423488d1a16faa73635ebe2c689f6787fdb0a3634cf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d3dacc12718d11cc085423488d1a16faa73635ebe2c689f6787fdb0a3634cf2", kill_on_drop: false }` [INFO] [stdout] 3d3dacc12718d11cc085423488d1a16faa73635ebe2c689f6787fdb0a3634cf2