[INFO] cloning repository https://github.com/abhijeetbhagat/krum [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abhijeetbhagat/krum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fkrum", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fkrum'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cd9af066de29ee92e754a061ce000021e720c657 [INFO] testing abhijeetbhagat/krum against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fkrum" "/workspace/builds/worker-54/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abhijeetbhagat/krum on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-54/source/Cargo.toml [INFO] crate git repo https://github.com/abhijeetbhagat/krum already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a03318b3124ebfb2dcdbd849411d1582662ac68f0db78465cae1c7d98b82cefd [INFO] running `Command { std: "docker" "start" "-a" "a03318b3124ebfb2dcdbd849411d1582662ac68f0db78465cae1c7d98b82cefd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a03318b3124ebfb2dcdbd849411d1582662ac68f0db78465cae1c7d98b82cefd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a03318b3124ebfb2dcdbd849411d1582662ac68f0db78465cae1c7d98b82cefd", kill_on_drop: false }` [INFO] [stdout] a03318b3124ebfb2dcdbd849411d1582662ac68f0db78465cae1c7d98b82cefd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cbcf4057b073360c3f1554806fc55c253cacc3abc89fe12368cda253fe9dcda1 [INFO] running `Command { std: "docker" "start" "-a" "cbcf4057b073360c3f1554806fc55c253cacc3abc89fe12368cda253fe9dcda1", kill_on_drop: false }` [INFO] [stderr] Compiling krum v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/parser.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stdout] | _______________________- [INFO] [stdout] 30 | | Token::LeftParen => { [INFO] [stdout] 31 | | return Expression::Dummy [INFO] [stdout] 32 | | } [INFO] [stdout] ... | [INFO] [stdout] 42 | | _ => return Expression::Dummy [INFO] [stdout] 43 | | }; [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 44 | return exp [INFO] [stdout] | ^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exp` [INFO] [stdout] --> src/parser.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_exp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_tok_line` [INFO] [stdout] --> src/lexer.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | cur_tok_line : usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_tok_col` [INFO] [stdout] --> src/lexer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | cur_tok_col : usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `src_len` [INFO] [stdout] --> src/lexer.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | src_len : usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `expression` [INFO] [stdout] --> src/ast.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | expression : Expression [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_tok` [INFO] [stdout] --> src/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | cur_tok : Token, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_program` [INFO] [stdout] --> src/parser.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | fn parse_program(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(match_default_bindings)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "cbcf4057b073360c3f1554806fc55c253cacc3abc89fe12368cda253fe9dcda1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbcf4057b073360c3f1554806fc55c253cacc3abc89fe12368cda253fe9dcda1", kill_on_drop: false }` [INFO] [stdout] cbcf4057b073360c3f1554806fc55c253cacc3abc89fe12368cda253fe9dcda1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79a726c447713a8a1f1603fd77676e56adc4b98671097fc574c712e22e094a1c [INFO] running `Command { std: "docker" "start" "-a" "79a726c447713a8a1f1603fd77676e56adc4b98671097fc574c712e22e094a1c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling krum v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/parser.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stdout] | _______________________- [INFO] [stdout] 30 | | Token::LeftParen => { [INFO] [stdout] 31 | | return Expression::Dummy [INFO] [stdout] 32 | | } [INFO] [stdout] ... | [INFO] [stdout] 42 | | _ => return Expression::Dummy [INFO] [stdout] 43 | | }; [INFO] [stdout] | |_________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 44 | return exp [INFO] [stdout] | ^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exp` [INFO] [stdout] --> src/parser.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | let mut exp = match self.get_cur_tok() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_exp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_tok_line` [INFO] [stdout] --> src/lexer.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | cur_tok_line : usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_tok_col` [INFO] [stdout] --> src/lexer.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | cur_tok_col : usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `src_len` [INFO] [stdout] --> src/lexer.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | src_len : usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `expression` [INFO] [stdout] --> src/ast.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | expression : Expression [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cur_tok` [INFO] [stdout] --> src/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | cur_tok : Token, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_program` [INFO] [stdout] --> src/parser.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | fn parse_program(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(match_default_bindings)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.32s [INFO] running `Command { std: "docker" "inspect" "79a726c447713a8a1f1603fd77676e56adc4b98671097fc574c712e22e094a1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79a726c447713a8a1f1603fd77676e56adc4b98671097fc574c712e22e094a1c", kill_on_drop: false }` [INFO] [stdout] 79a726c447713a8a1f1603fd77676e56adc4b98671097fc574c712e22e094a1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a801a53a3082984863289b8a3c012ab22e8059e061cc60d3a228345eb5226979 [INFO] running `Command { std: "docker" "start" "-a" "a801a53a3082984863289b8a3c012ab22e8059e061cc60d3a228345eb5226979", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:29:17 [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: associated function is never used: `parse_program` [INFO] [stderr] --> src/parser.rs:47:8 [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: `krum` (bin "krum" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.83s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/krum-7cc13332dd175773) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test lexer::test_token_read_add_expression ... ok [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_empty_parens ... ok [INFO] [stdout] test lexer::test_token_read_num_with_explicit_neg_sign ... ok [INFO] [stdout] test lexer::test_token_read_num_with_explicit_pos_sign ... ok [INFO] [stdout] test lexer::test_token_read_string ... ok [INFO] [stdout] test lexer::test_token_read_symbol_len_1 ... ok [INFO] [stdout] test lexer::test_token_read_symbol_multiple_chars ... ok [INFO] [stdout] test lexer::test_token_read_symbol_plus ... ok [INFO] [stdout] test parser::test_bool_expression ... ok [INFO] [stdout] test parser::test_num_expression ... ok [INFO] [stdout] test parser::test_string_expression ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a801a53a3082984863289b8a3c012ab22e8059e061cc60d3a228345eb5226979", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a801a53a3082984863289b8a3c012ab22e8059e061cc60d3a228345eb5226979", kill_on_drop: false }` [INFO] [stdout] a801a53a3082984863289b8a3c012ab22e8059e061cc60d3a228345eb5226979