[INFO] cloning repository https://github.com/youthx/Tud-v3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youthx/Tud-v3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouthx%2FTud-v3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouthx%2FTud-v3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16d5017bc9342a296e25ccc81754e5c23b823f6a
[INFO] checking youthx/Tud-v3 against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouthx%2FTud-v3" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/youthx/Tud-v3
[INFO] finished tweaking git repo https://github.com/youthx/Tud-v3
[INFO] tweaked toml for git repo https://github.com/youthx/Tud-v3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/youthx/Tud-v3 on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/youthx/Tud-v3 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbd030e3816640a0fe70db8f62befb2f0bc30f000bf90ca516c168c12a4c3c58
[INFO] running `Command { std: "docker" "start" "-a" "dbd030e3816640a0fe70db8f62befb2f0bc30f000bf90ca516c168c12a4c3c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd030e3816640a0fe70db8f62befb2f0bc30f000bf90ca516c168c12a4c3c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd030e3816640a0fe70db8f62befb2f0bc30f000bf90ca516c168c12a4c3c58", kill_on_drop: false }`
[INFO] [stdout] dbd030e3816640a0fe70db8f62befb2f0bc30f000bf90ca516c168c12a4c3c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d25cf24ccfd66ea228934cedb8808903a8161bebe648c187d34a456d90f02d02
[INFO] running `Command { std: "docker" "start" "-a" "d25cf24ccfd66ea228934cedb8808903a8161bebe648c187d34a456d90f02d02", kill_on_drop: false }`
[INFO] [stderr]     Checking tud v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `visualize` is never used
[INFO] [stdout]   --> src/ast/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Ast {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn visualize(&self) -> () {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast/mod.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct AstBinaryOperator {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 74 |     pub(crate) _type: AstBinaryOperationType,
[INFO] [stdout] 75 |     pub(crate) token: lexer::TDToken,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AstPrinter` is never constructed
[INFO] [stdout]    --> src/ast/mod.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct AstPrinter {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `INDENT` and `print_with_indent` are never used
[INFO] [stdout]    --> src/ast/mod.rs:203:11
[INFO] [stdout]     |
[INFO] [stdout] 202 | impl AstPrinter {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 203 |     const INDENT: usize = 2;
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 204 |
[INFO] [stdout] 205 |     fn print_with_indent(&mut self, text: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/ast/lexer.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl AsciiSpan {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_char` is never used
[INFO] [stdout]    --> src/ast/lexer.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 59  | impl<'a> TDLexer<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn peek_char(&self) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `current_precedence` are never used
[INFO] [stdout]    --> src/ast/parser.rs:9:12
[INFO] [stdout]     |
[INFO] [stdout] 8   | impl TDParser {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 9   |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn current_precedence(&self) -> Option<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `visualize` is never used
[INFO] [stdout]   --> src/ast/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Ast {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn visualize(&self) -> () {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]   --> src/ast/mod.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct AstBinaryOperator {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 74 |     pub(crate) _type: AstBinaryOperationType,
[INFO] [stdout] 75 |     pub(crate) token: lexer::TDToken,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AstPrinter` is never constructed
[INFO] [stdout]    --> src/ast/mod.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct AstPrinter {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `INDENT` and `print_with_indent` are never used
[INFO] [stdout]    --> src/ast/mod.rs:203:11
[INFO] [stdout]     |
[INFO] [stdout] 202 | impl AstPrinter {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 203 |     const INDENT: usize = 2;
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout] 204 |
[INFO] [stdout] 205 |     fn print_with_indent(&mut self, text: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/ast/lexer.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl AsciiSpan {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `peek_char` is never used
[INFO] [stdout]    --> src/ast/lexer.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 59  | impl<'a> TDLexer<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn peek_char(&self) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `current_precedence` are never used
[INFO] [stdout]    --> src/ast/parser.rs:9:12
[INFO] [stdout]     |
[INFO] [stdout] 8   | impl TDParser {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 9   |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn current_precedence(&self) -> Option<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "d25cf24ccfd66ea228934cedb8808903a8161bebe648c187d34a456d90f02d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25cf24ccfd66ea228934cedb8808903a8161bebe648c187d34a456d90f02d02", kill_on_drop: false }`
[INFO] [stdout] d25cf24ccfd66ea228934cedb8808903a8161bebe648c187d34a456d90f02d02