[INFO] cloning repository https://github.com/yu-i9/mini_python [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-i9%2Fmini_python'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d62b9040f8427057a20d18340a27bdf2dfc8c22e [INFO] testing yu-i9/mini_python against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu-i9%2Fmini_python" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yu-i9/mini_python on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a30472ce57ab5b2ab1c897124956e0d17e89cfdb4626c7b68318aa9f808bcd05 [INFO] running `Command { std: "docker" "start" "-a" "a30472ce57ab5b2ab1c897124956e0d17e89cfdb4626c7b68318aa9f808bcd05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a30472ce57ab5b2ab1c897124956e0d17e89cfdb4626c7b68318aa9f808bcd05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a30472ce57ab5b2ab1c897124956e0d17e89cfdb4626c7b68318aa9f808bcd05", kill_on_drop: false }` [INFO] [stdout] a30472ce57ab5b2ab1c897124956e0d17e89cfdb4626c7b68318aa9f808bcd05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 52ce261a9b5cf39e380523ecc46bed4e4f5e52163b224a1b0fc1d75fc0277968 [INFO] running `Command { std: "docker" "start" "-a" "52ce261a9b5cf39e380523ecc46bed4e4f5e52163b224a1b0fc1d75fc0277968", kill_on_drop: false }` [INFO] [stderr] Compiling mini_python v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/core/mod.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(arbitrary_self_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/core/mod.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iterator_find_map)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/core/lexer.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | '0' ... '9' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/core/lexer.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | '_' | 'a' ... 'z' | 'A' ... 'Z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/core/lexer.rs:70:33 [INFO] [stdout] | [INFO] [stdout] 70 | '_' | 'a' ... 'z' | 'A' ... 'Z' => true, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/core/lexer.rs:179:21 [INFO] [stdout] | [INFO] [stdout] 179 | try!(lexer.calc_indent(indent_level)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/core/lexer.rs:193:17 [INFO] [stdout] | [INFO] [stdout] 193 | '0' ... '9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/core/lexer.rs:201:17 [INFO] [stdout] | [INFO] [stdout] 201 | try!(lexer.consume('\'').ok_or(lexer.error("\' expected".to_string()))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `opcode::*` [INFO] [stdout] --> src/core/utils.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use opcode::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/core/mod.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iterator_find_map)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `iterator_find_map` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/core/mod.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iterator_find_map)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mini_python` due to 4 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "52ce261a9b5cf39e380523ecc46bed4e4f5e52163b224a1b0fc1d75fc0277968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52ce261a9b5cf39e380523ecc46bed4e4f5e52163b224a1b0fc1d75fc0277968", kill_on_drop: false }` [INFO] [stdout] 52ce261a9b5cf39e380523ecc46bed4e4f5e52163b224a1b0fc1d75fc0277968