[INFO] cloning repository https://github.com/Morgandel/picross-solver [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Morgandel/picross-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorgandel%2Fpicross-solver"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorgandel%2Fpicross-solver'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8de26c881761697ae73766224e8f43ff5b7bd38d [INFO] testing Morgandel/picross-solver against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorgandel%2Fpicross-solver" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Morgandel/picross-solver on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Morgandel/picross-solver [INFO] finished tweaking git repo https://github.com/Morgandel/picross-solver [INFO] tweaked toml for git repo https://github.com/Morgandel/picross-solver written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/Morgandel/picross-solver already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7a073db72bc623a8018bcfbe2eedc58fa1e98e0350eef891d612dc5344bf4115 [INFO] running `"docker" "start" "-a" "7a073db72bc623a8018bcfbe2eedc58fa1e98e0350eef891d612dc5344bf4115"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling picross-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `File` [INFO] [stderr] --> src/main.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let f = File::open(format!("{}{}", path, filename)).unwrap(); [INFO] [stderr] | ^^^^ use of undeclared type or module `File` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `BufReader` [INFO] [stderr] --> src/main.rs:7:18 [INFO] [stderr] | [INFO] [stderr] 7 | let reader = BufReader::new(f); [INFO] [stderr] | ^^^^^^^^^ use of undeclared type or module `BufReader` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Regex` [INFO] [stderr] --> src/main.rs:8:14 [INFO] [stderr] | [INFO] [stderr] 8 | let re = Regex::new("\t").unwrap(); [INFO] [stderr] | ^^^^^ use of undeclared type or module `Regex` [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0433`. [INFO] [stderr] error: could not compile `picross-solver`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "7a073db72bc623a8018bcfbe2eedc58fa1e98e0350eef891d612dc5344bf4115"` [INFO] running `"docker" "rm" "-f" "7a073db72bc623a8018bcfbe2eedc58fa1e98e0350eef891d612dc5344bf4115"` [INFO] [stdout] 7a073db72bc623a8018bcfbe2eedc58fa1e98e0350eef891d612dc5344bf4115