[INFO] updating cached repository https://github.com/sliechti/lets-build-a-compiler-rust [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3bc0fb9d67e83dd44696add162c475e73dd0214 [INFO] testing sliechti/lets-build-a-compiler-rust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsliechti%2Flets-build-a-compiler-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sliechti/lets-build-a-compiler-rust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-1/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20036de08a7d3a3b2ca9f088ba79230a696339802ad450cc494a6abf40b0fab9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "20036de08a7d3a3b2ca9f088ba79230a696339802ad450cc494a6abf40b0fab9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20036de08a7d3a3b2ca9f088ba79230a696339802ad450cc494a6abf40b0fab9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20036de08a7d3a3b2ca9f088ba79230a696339802ad450cc494a6abf40b0fab9", kill_on_drop: false }` [INFO] [stdout] 20036de08a7d3a3b2ca9f088ba79230a696339802ad450cc494a6abf40b0fab9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8cb823ee24ec2c4d0455797f3c4641afefa3af3e6c10ff0b03c9aa9a4fde616 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c8cb823ee24ec2c4d0455797f3c4641afefa3af3e6c10ff0b03c9aa9a4fde616", kill_on_drop: false }` [INFO] [stderr] Compiling rustcompiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/interpreter.rs:205:16 [INFO] [stdout] | [INFO] [stdout] 205 | if (self.buff == END_PROG) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/interpreter.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | let mut ret: u32 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/interpreter.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let mut ret: u32 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interpreter.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | let mut var = self.get_name(); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `Command { std: "docker" "inspect" "c8cb823ee24ec2c4d0455797f3c4641afefa3af3e6c10ff0b03c9aa9a4fde616", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8cb823ee24ec2c4d0455797f3c4641afefa3af3e6c10ff0b03c9aa9a4fde616", kill_on_drop: false }` [INFO] [stdout] c8cb823ee24ec2c4d0455797f3c4641afefa3af3e6c10ff0b03c9aa9a4fde616 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f61a0678ba58e8fb01744aaaeb8d35faa359bc2c3d1d147fa97c46191775d45 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3f61a0678ba58e8fb01744aaaeb8d35faa359bc2c3d1d147fa97c46191775d45", kill_on_drop: false }` [INFO] [stderr] Compiling rustcompiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/interpreter.rs:205:16 [INFO] [stdout] | [INFO] [stdout] 205 | if (self.buff == END_PROG) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0603]: function import `is_alpha` is private [INFO] [stdout] --> src/unittest.rs:5:30 [INFO] [stdout] | [INFO] [stdout] 5 | assert_eq!(true, cradle::is_alpha('a')); [INFO] [stdout] | ^^^^^^^^ private function import [INFO] [stdout] | [INFO] [stdout] note: the function import `is_alpha` is defined here... [INFO] [stdout] --> src/cradle.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ::utils::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stdout] --> src/utils.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0603]: function import `is_alpha` is private [INFO] [stdout] --> src/unittest.rs:6:30 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(true, cradle::is_alpha('A')); [INFO] [stdout] | ^^^^^^^^ private function import [INFO] [stdout] | [INFO] [stdout] note: the function import `is_alpha` is defined here... [INFO] [stdout] --> src/cradle.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ::utils::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stdout] --> src/utils.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0603]: function import `is_alpha` is private [INFO] [stdout] --> src/unittest.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | assert_eq!(true, cradle::is_alpha('X')); [INFO] [stdout] | ^^^^^^^^ private function import [INFO] [stdout] | [INFO] [stdout] note: the function import `is_alpha` is defined here... [INFO] [stdout] --> src/cradle.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ::utils::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stdout] --> src/utils.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0603]: function import `is_alpha` is private [INFO] [stdout] --> src/unittest.rs:8:31 [INFO] [stdout] | [INFO] [stdout] 8 | assert_eq!(false, cradle::is_alpha('5')); [INFO] [stdout] | ^^^^^^^^ private function import [INFO] [stdout] | [INFO] [stdout] note: the function import `is_alpha` is defined here... [INFO] [stdout] --> src/cradle.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ::utils::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stdout] --> src/utils.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0603]: function import `is_alpha` is private [INFO] [stdout] --> src/unittest.rs:9:31 [INFO] [stdout] | [INFO] [stdout] 9 | assert_eq!(false, cradle::is_alpha('0')); [INFO] [stdout] | ^^^^^^^^ private function import [INFO] [stdout] | [INFO] [stdout] note: the function import `is_alpha` is defined here... [INFO] [stdout] --> src/cradle.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use ::utils::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] note: ...and refers to the function `is_alpha` which is defined here [INFO] [stdout] --> src/utils.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn is_alpha(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ consider importing it directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/interpreter.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | let mut ret: u32 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/interpreter.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let mut ret: u32 = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/interpreter.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | let mut var = self.get_name(); [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 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0603`. [INFO] [stdout] [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] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "3f61a0678ba58e8fb01744aaaeb8d35faa359bc2c3d1d147fa97c46191775d45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f61a0678ba58e8fb01744aaaeb8d35faa359bc2c3d1d147fa97c46191775d45", kill_on_drop: false }` [INFO] [stdout] 3f61a0678ba58e8fb01744aaaeb8d35faa359bc2c3d1d147fa97c46191775d45