[INFO] cloning repository https://github.com/gilesv/lox [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilesv/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilesv%2Flox"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilesv%2Flox'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cd2920bbf2c6f13b597b9f6917777eecb491f03e [INFO] checking gilesv/lox against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilesv%2Flox" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gilesv/lox on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/gilesv/lox [INFO] finished tweaking git repo https://github.com/gilesv/lox [INFO] tweaked toml for git repo https://github.com/gilesv/lox written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/gilesv/lox already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 183e1e0bef02993c1734e4141ebf70deb135f8d883ddebea82a29a776e8a1348 [INFO] running `"docker" "start" "-a" "183e1e0bef02993c1734e4141ebf70deb135f8d883ddebea82a29a776e8a1348"` [INFO] [stderr] Checking lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:35:65 [INFO] [stderr] | [INFO] [stderr] 35 | Err(why) => panic!("couldn't open {}: {}", display, why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:42:65 [INFO] [stderr] | [INFO] [stderr] 42 | Err(why) => panic!("couldn't read {}: {}", display, why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:35:65 [INFO] [stderr] | [INFO] [stderr] 35 | Err(why) => panic!("couldn't open {}: {}", display, why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:42:65 [INFO] [stderr] | [INFO] [stderr] 42 | Err(why) => panic!("couldn't read {}: {}", display, why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Identifier` [INFO] [stderr] --> src/scanner.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | Identifier, String, Number, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Number` [INFO] [stderr] --> src/scanner.rs:31:25 [INFO] [stderr] | [INFO] [stderr] 31 | Identifier, String, Number, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `And` [INFO] [stderr] --> src/scanner.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | And, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Class` [INFO] [stderr] --> src/scanner.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | Class, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Else` [INFO] [stderr] --> src/scanner.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | Else, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `False` [INFO] [stderr] --> src/scanner.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | False, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Fun` [INFO] [stderr] --> src/scanner.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | Fun, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `For` [INFO] [stderr] --> src/scanner.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | For, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `If` [INFO] [stderr] --> src/scanner.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | If, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nil` [INFO] [stderr] --> src/scanner.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | Nil, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Or` [INFO] [stderr] --> src/scanner.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | Or, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Print` [INFO] [stderr] --> src/scanner.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Return` [INFO] [stderr] --> src/scanner.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Super` [INFO] [stderr] --> src/scanner.rs:44:20 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `This` [INFO] [stderr] --> src/scanner.rs:44:27 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `True` [INFO] [stderr] --> src/scanner.rs:44:33 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Var` [INFO] [stderr] --> src/scanner.rs:44:39 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `While` [INFO] [stderr] --> src/scanner.rs:44:44 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Eof` [INFO] [stderr] --> src/scanner.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | Eof [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | run(source); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 22 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Identifier` [INFO] [stderr] --> src/scanner.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | Identifier, String, Number, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Number` [INFO] [stderr] --> src/scanner.rs:31:25 [INFO] [stderr] | [INFO] [stderr] 31 | Identifier, String, Number, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `And` [INFO] [stderr] --> src/scanner.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | And, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Class` [INFO] [stderr] --> src/scanner.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | Class, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Else` [INFO] [stderr] --> src/scanner.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | Else, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `False` [INFO] [stderr] --> src/scanner.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | False, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Fun` [INFO] [stderr] --> src/scanner.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | Fun, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `For` [INFO] [stderr] --> src/scanner.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | For, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `If` [INFO] [stderr] --> src/scanner.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | If, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nil` [INFO] [stderr] --> src/scanner.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | Nil, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Or` [INFO] [stderr] --> src/scanner.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | Or, [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Print` [INFO] [stderr] --> src/scanner.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Return` [INFO] [stderr] --> src/scanner.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Super` [INFO] [stderr] --> src/scanner.rs:44:20 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `This` [INFO] [stderr] --> src/scanner.rs:44:27 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `True` [INFO] [stderr] --> src/scanner.rs:44:33 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Var` [INFO] [stderr] --> src/scanner.rs:44:39 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `While` [INFO] [stderr] --> src/scanner.rs:44:44 [INFO] [stderr] | [INFO] [stderr] 44 | Print, Return, Super, This, True, Var, While, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Eof` [INFO] [stderr] --> src/scanner.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | Eof [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | run(source); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 22 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `"docker" "inspect" "183e1e0bef02993c1734e4141ebf70deb135f8d883ddebea82a29a776e8a1348"` [INFO] running `"docker" "rm" "-f" "183e1e0bef02993c1734e4141ebf70deb135f8d883ddebea82a29a776e8a1348"` [INFO] [stdout] 183e1e0bef02993c1734e4141ebf70deb135f8d883ddebea82a29a776e8a1348