[INFO] updating cached repository https://github.com/abhijeetbhagat/krum [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cd9af066de29ee92e754a061ce000021e720c657 [INFO] testing abhijeetbhagat/krum against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fkrum" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abhijeetbhagat/krum on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/abhijeetbhagat/krum [INFO] finished tweaking git repo https://github.com/abhijeetbhagat/krum [INFO] tweaked toml for git repo https://github.com/abhijeetbhagat/krum written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/abhijeetbhagat/krum already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] bfe164f4ec915510a197226f49d95656695118ad7bc1e6ae4c5717a420192602 [INFO] running `"docker" "start" "-a" "bfe164f4ec915510a197226f49d95656695118ad7bc1e6ae4c5717a420192602"` [INFO] [stderr] Compiling krum v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/parser.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stderr] | _______________________- [INFO] [stderr] 30 | | Token::LeftParen => { [INFO] [stderr] 31 | | return Expression::Dummy [INFO] [stderr] 32 | | } [INFO] [stderr] ... | [INFO] [stderr] 42 | | _ => return Expression::Dummy [INFO] [stderr] 43 | | }; [INFO] [stderr] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] 44 | return exp [INFO] [stderr] | ^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> src/parser.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_tok_line` [INFO] [stderr] --> src/lexer.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | cur_tok_line : usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_tok_col` [INFO] [stderr] --> src/lexer.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | cur_tok_col : usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `src_len` [INFO] [stderr] --> src/lexer.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | src_len : usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `expression` [INFO] [stderr] --> src/ast.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | expression : Expression [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_tok` [INFO] [stderr] --> src/parser.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | cur_tok : Token, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse_program` [INFO] [stderr] --> src/parser.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn parse_program(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(match_default_bindings)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `"docker" "inspect" "bfe164f4ec915510a197226f49d95656695118ad7bc1e6ae4c5717a420192602"` [INFO] running `"docker" "rm" "-f" "bfe164f4ec915510a197226f49d95656695118ad7bc1e6ae4c5717a420192602"` [INFO] [stdout] bfe164f4ec915510a197226f49d95656695118ad7bc1e6ae4c5717a420192602 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8e07ddb0f7f16bdee46326b0dffe4d4c251218f81bb090bd85087c01737e2d7f [INFO] running `"docker" "start" "-a" "8e07ddb0f7f16bdee46326b0dffe4d4c251218f81bb090bd85087c01737e2d7f"` [INFO] [stderr] Compiling krum v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/parser.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stderr] | _______________________- [INFO] [stderr] 30 | | Token::LeftParen => { [INFO] [stderr] 31 | | return Expression::Dummy [INFO] [stderr] 32 | | } [INFO] [stderr] ... | [INFO] [stderr] 42 | | _ => return Expression::Dummy [INFO] [stderr] 43 | | }; [INFO] [stderr] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] 44 | return exp [INFO] [stderr] | ^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> src/parser.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_tok_line` [INFO] [stderr] --> src/lexer.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | cur_tok_line : usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_tok_col` [INFO] [stderr] --> src/lexer.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | cur_tok_col : usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `src_len` [INFO] [stderr] --> src/lexer.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | src_len : usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `expression` [INFO] [stderr] --> src/ast.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | expression : Expression [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_tok` [INFO] [stderr] --> src/parser.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | cur_tok : Token, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse_program` [INFO] [stderr] --> src/parser.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn parse_program(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(match_default_bindings)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `"docker" "inspect" "8e07ddb0f7f16bdee46326b0dffe4d4c251218f81bb090bd85087c01737e2d7f"` [INFO] running `"docker" "rm" "-f" "8e07ddb0f7f16bdee46326b0dffe4d4c251218f81bb090bd85087c01737e2d7f"` [INFO] [stdout] 8e07ddb0f7f16bdee46326b0dffe4d4c251218f81bb090bd85087c01737e2d7f [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4fd74bb1aa827f989caa972dd13735f18a27d1ab008c69c07b3ccf90b73e7887 [INFO] running `"docker" "start" "-a" "4fd74bb1aa827f989caa972dd13735f18a27d1ab008c69c07b3ccf90b73e7887"` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/parser.rs:44:9 [INFO] [stderr] | [INFO] [stderr] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stderr] | _______________________- [INFO] [stderr] 30 | | Token::LeftParen => { [INFO] [stderr] 31 | | return Expression::Dummy [INFO] [stderr] 32 | | } [INFO] [stderr] ... | [INFO] [stderr] 42 | | _ => return Expression::Dummy [INFO] [stderr] 43 | | }; [INFO] [stderr] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] 44 | return exp [INFO] [stderr] | ^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> src/parser.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_tok_line` [INFO] [stderr] --> src/lexer.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | cur_tok_line : usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_tok_col` [INFO] [stderr] --> src/lexer.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | cur_tok_col : usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `src_len` [INFO] [stderr] --> src/lexer.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | src_len : usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `expression` [INFO] [stderr] --> src/ast.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | expression : Expression [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cur_tok` [INFO] [stderr] --> src/parser.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | cur_tok : Token, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse_program` [INFO] [stderr] --> src/parser.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn parse_program(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(match_default_bindings)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/krum-dd010332eec09700 [INFO] [stdout] test lexer::test_token_read_bool_false ... ok [INFO] [stdout] test lexer::test_token_read_bool_true ... ok [INFO] [stdout] test lexer::test_token_read_symbol_len_1 ... ok [INFO] [stdout] test lexer::test_token_read_symbol_plus ... ok [INFO] [stdout] test lexer::test_token_read_string ... ok [INFO] [stdout] test lexer::test_token_read_add_expression ... ok [INFO] [stdout] test lexer::test_token_read_num_with_explicit_pos_sign ... ok [INFO] [stdout] test parser::test_bool_expression ... ok [INFO] [stdout] test lexer::test_token_read_symbol_multiple_chars ... ok [INFO] [stdout] test lexer::test_token_read_num_with_explicit_neg_sign ... ok [INFO] [stdout] test parser::test_string_expression ... ok [INFO] [stdout] test lexer::test_token_read_empty_parens ... ok [INFO] [stdout] test parser::test_num_expression ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "4fd74bb1aa827f989caa972dd13735f18a27d1ab008c69c07b3ccf90b73e7887"` [INFO] running `"docker" "rm" "-f" "4fd74bb1aa827f989caa972dd13735f18a27d1ab008c69c07b3ccf90b73e7887"` [INFO] [stdout] 4fd74bb1aa827f989caa972dd13735f18a27d1ab008c69c07b3ccf90b73e7887