[INFO] cloning repository https://github.com/yu-i9/mini_python [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yu-i9/mini_python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-i9%2Fmini_python"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-i9%2Fmini_python'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d62b9040f8427057a20d18340a27bdf2dfc8c22e [INFO] testing yu-i9/mini_python against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-i9%2Fmini_python" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yu-i9/mini_python 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/yu-i9/mini_python [INFO] finished tweaking git repo https://github.com/yu-i9/mini_python [INFO] tweaked toml for git repo https://github.com/yu-i9/mini_python written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/yu-i9/mini_python 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5f726c75833d6888c3bcba04aad67184188f057e397ac654c1e3f7e5811e5d74 [INFO] running `"docker" "start" "-a" "5f726c75833d6888c3bcba04aad67184188f057e397ac654c1e3f7e5811e5d74"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling mini_python v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/core/mod.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(arbitrary_self_types)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/core/mod.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(iterator_find_map)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/core/lexer.rs:179:21 [INFO] [stderr] | [INFO] [stderr] 179 | try!(lexer.calc_indent(indent_level)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/core/lexer.rs:201:17 [INFO] [stderr] | [INFO] [stderr] 201 | try!(lexer.consume('\'').ok_or(lexer.error("\' expected".to_string()))); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/core/lexer.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | '0' ... '9' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/core/lexer.rs:70:19 [INFO] [stderr] | [INFO] [stderr] 70 | '_' | 'a' ... 'z' | 'A' ... 'Z' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/core/lexer.rs:70:33 [INFO] [stderr] | [INFO] [stderr] 70 | '_' | 'a' ... 'z' | 'A' ... 'Z' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/core/lexer.rs:193:17 [INFO] [stderr] | [INFO] [stderr] 193 | '0' ... '9' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused import: `opcode::*` [INFO] [stderr] --> src/core/utils.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use opcode::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 7 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `mini_python`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5f726c75833d6888c3bcba04aad67184188f057e397ac654c1e3f7e5811e5d74"` [INFO] running `"docker" "rm" "-f" "5f726c75833d6888c3bcba04aad67184188f057e397ac654c1e3f7e5811e5d74"` [INFO] [stdout] 5f726c75833d6888c3bcba04aad67184188f057e397ac654c1e3f7e5811e5d74