[INFO] cloning repository https://github.com/tawashichan/toy_lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tawashichan/toy_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Ftoy_lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Ftoy_lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] de785a2762c96a20645643bc66be482aba37094b [INFO] checking tawashichan/toy_lang against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Ftoy_lang" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tawashichan/toy_lang on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tawashichan/toy_lang [INFO] finished tweaking git repo https://github.com/tawashichan/toy_lang [INFO] tweaked toml for git repo https://github.com/tawashichan/toy_lang written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tawashichan/toy_lang 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90282b43187b4808c1936aeb45835c37e1626d0932e1155a4ac7871699631056 [INFO] running `Command { std: "docker" "start" "-a" "90282b43187b4808c1936aeb45835c37e1626d0932e1155a4ac7871699631056", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90282b43187b4808c1936aeb45835c37e1626d0932e1155a4ac7871699631056", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90282b43187b4808c1936aeb45835c37e1626d0932e1155a4ac7871699631056", kill_on_drop: false }` [INFO] [stdout] 90282b43187b4808c1936aeb45835c37e1626d0932e1155a4ac7871699631056 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0cf94e1c1011422e331472eca0edc7b7d5ed42e67db9a78d9bafb91722b0290a [INFO] running `Command { std: "docker" "start" "-a" "0cf94e1c1011422e331472eca0edc7b7d5ed42e67db9a78d9bafb91722b0290a", kill_on_drop: false }` [INFO] [stderr] Checking dentaku-gen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut source = "1 + 2 * 6 - 1".chars().collect::>(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut source = "1 + 2 * 6 - 1".chars().collect::>(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Equal` and `Colon` are never constructed [INFO] [stdout] --> src/lexer.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Token { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 14 | Equal, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` 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: enum `Register` is never used [INFO] [stdout] --> src/stack_machine.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum Register { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Pop` and `Ret` are never constructed [INFO] [stdout] --> src/stack_machine.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub enum Op { [INFO] [stdout] | -- variants in this enum [INFO] [stdout] 12 | Push(i32), [INFO] [stdout] 13 | Pop, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | Ret, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Op` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lexer.rs:104:30 [INFO] [stdout] | [INFO] [stdout] 104 | let tokens = parse_token(&chars); [INFO] [stdout] | ----------- ^^^^^^ types differ in mutability [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut [char]` [INFO] [stdout] found reference `&Vec` [INFO] [stdout] note: function defined here [INFO] [stdout] --> src/lexer.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn parse_token(chars: &mut [char]) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ ------------------ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut source = "1 + 2 * 6 - 1".chars().collect::>(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut source = "1 + 2 * 6 - 1".chars().collect::>(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `dentaku-gen` (bin "dentaku-gen" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0cf94e1c1011422e331472eca0edc7b7d5ed42e67db9a78d9bafb91722b0290a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cf94e1c1011422e331472eca0edc7b7d5ed42e67db9a78d9bafb91722b0290a", kill_on_drop: false }` [INFO] [stdout] 0cf94e1c1011422e331472eca0edc7b7d5ed42e67db9a78d9bafb91722b0290a