[INFO] updating cached repository https://github.com/sliechti/lets-build-a-compiler-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c3bc0fb9d67e83dd44696add162c475e73dd0214 [INFO] checking sliechti/lets-build-a-compiler-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsliechti%2Flets-build-a-compiler-rust" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sliechti/lets-build-a-compiler-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sliechti/lets-build-a-compiler-rust [INFO] finished tweaking git repo https://github.com/sliechti/lets-build-a-compiler-rust [INFO] tweaked toml for git repo https://github.com/sliechti/lets-build-a-compiler-rust written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/sliechti/lets-build-a-compiler-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7e794cedae19ae0c5ee2726ca36b24b6abceafb5f1f0a3249eae4725e7adcbde [INFO] running `"docker" "start" "-a" "7e794cedae19ae0c5ee2726ca36b24b6abceafb5f1f0a3249eae4725e7adcbde"` [INFO] [stderr] Checking rustcompiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/interpreter.rs:205:16 [INFO] [stderr] | [INFO] [stderr] 205 | if (self.buff == END_PROG) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/interpreter.rs:205:16 [INFO] [stderr] | [INFO] [stderr] 205 | if (self.buff == END_PROG) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `ret` is never read [INFO] [stderr] --> src/interpreter.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | let mut ret: u32 = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `ret` is never read [INFO] [stderr] --> src/interpreter.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | let mut ret: u32 = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/interpreter.rs:84:17 [INFO] [stderr] | [INFO] [stderr] 84 | let mut var = self.get_name(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `ret` is never read [INFO] [stderr] --> src/interpreter.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | let mut ret: u32 = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] error[E0603]: function import `is_alpha` is private [INFO] [stderr] --> src/unittest.rs:5:30 [INFO] [stderr] | [INFO] [stderr] 5 | assert_eq!(true, cradle::is_alpha('a')); [INFO] [stderr] | ^^^^^^^^ private function import [INFO] [stderr] | [INFO] [stderr] note: the function import `is_alpha` is defined here... [INFO] [stderr] --> src/cradle.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use ::utils::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stderr] --> src/utils.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stderr] [INFO] [stderr] error[E0603]: function import `is_alpha` is private [INFO] [stderr] --> src/unittest.rs:6:30 [INFO] [stderr] | [INFO] [stderr] 6 | assert_eq!(true, cradle::is_alpha('A')); [INFO] [stderr] | ^^^^^^^^ private function import [INFO] [stderr] | [INFO] [stderr] note: the function import `is_alpha` is defined here... [INFO] [stderr] --> src/cradle.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use ::utils::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stderr] --> src/utils.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stderr] [INFO] [stderr] error[E0603]: function import `is_alpha` is private [INFO] [stderr] --> src/unittest.rs:7:30 [INFO] [stderr] | [INFO] [stderr] 7 | assert_eq!(true, cradle::is_alpha('X')); [INFO] [stderr] | ^^^^^^^^ private function import [INFO] [stderr] | [INFO] [stderr] note: the function import `is_alpha` is defined here... [INFO] [stderr] --> src/cradle.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use ::utils::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stderr] --> src/utils.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stderr] [INFO] [stderr] error[E0603]: function import `is_alpha` is private [INFO] [stderr] --> src/unittest.rs:8:31 [INFO] [stderr] | [INFO] [stderr] 8 | assert_eq!(false, cradle::is_alpha('5')); [INFO] [stderr] | ^^^^^^^^ private function import [INFO] [stderr] | [INFO] [stderr] note: the function import `is_alpha` is defined here... [INFO] [stderr] --> src/cradle.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use ::utils::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stderr] --> src/utils.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stderr] [INFO] [stderr] error[E0603]: function import `is_alpha` is private [INFO] [stderr] --> src/unittest.rs:9:31 [INFO] [stderr] | [INFO] [stderr] 9 | assert_eq!(false, cradle::is_alpha('0')); [INFO] [stderr] | ^^^^^^^^ private function import [INFO] [stderr] | [INFO] [stderr] note: the function import `is_alpha` is defined here... [INFO] [stderr] --> src/cradle.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use ::utils::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stderr] --> src/utils.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stderr] [INFO] [stderr] warning: value assigned to `ret` is never read [INFO] [stderr] --> src/interpreter.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | let mut ret: u32 = 0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/interpreter.rs:84:17 [INFO] [stderr] | [INFO] [stderr] 84 | let mut var = self.get_name(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0603`. [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] error: could not compile `rustcompiler`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "7e794cedae19ae0c5ee2726ca36b24b6abceafb5f1f0a3249eae4725e7adcbde"` [INFO] running `"docker" "rm" "-f" "7e794cedae19ae0c5ee2726ca36b24b6abceafb5f1f0a3249eae4725e7adcbde"` [INFO] [stdout] 7e794cedae19ae0c5ee2726ca36b24b6abceafb5f1f0a3249eae4725e7adcbde