[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#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fkrum" "/workspace/builds/worker-4/source", kill_on_drop: false }` [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 ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-4/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b250033223b1dd65831aa1c47fa15cf9e8de37c944c7d7738020b771a69073bb [INFO] running `Command { std: "docker" "start" "-a" "b250033223b1dd65831aa1c47fa15cf9e8de37c944c7d7738020b771a69073bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b250033223b1dd65831aa1c47fa15cf9e8de37c944c7d7738020b771a69073bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b250033223b1dd65831aa1c47fa15cf9e8de37c944c7d7738020b771a69073bb", kill_on_drop: false }` [INFO] [stdout] b250033223b1dd65831aa1c47fa15cf9e8de37c944c7d7738020b771a69073bb [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60f04d3a6d3c1c3fb362b356f3bd628b4611b3ab2739d28e7b592f0dbce53214 [INFO] running `Command { std: "docker" "start" "-a" "60f04d3a6d3c1c3fb362b356f3bd628b4611b3ab2739d28e7b592f0dbce53214", 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 0.43s [INFO] running `Command { std: "docker" "inspect" "60f04d3a6d3c1c3fb362b356f3bd628b4611b3ab2739d28e7b592f0dbce53214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60f04d3a6d3c1c3fb362b356f3bd628b4611b3ab2739d28e7b592f0dbce53214", kill_on_drop: false }` [INFO] [stdout] 60f04d3a6d3c1c3fb362b356f3bd628b4611b3ab2739d28e7b592f0dbce53214 [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c40e9706b744d0d24c58aee53ae65fa41461843b276f7fd39c4cac7d21befe3b [INFO] running `Command { std: "docker" "start" "-a" "c40e9706b744d0d24c58aee53ae65fa41461843b276f7fd39c4cac7d21befe3b", 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 test [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "c40e9706b744d0d24c58aee53ae65fa41461843b276f7fd39c4cac7d21befe3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c40e9706b744d0d24c58aee53ae65fa41461843b276f7fd39c4cac7d21befe3b", kill_on_drop: false }` [INFO] [stdout] c40e9706b744d0d24c58aee53ae65fa41461843b276f7fd39c4cac7d21befe3b [INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 90ca4b383a2f3a81b8fd85247a190ba493471175ab0aee40e97586d0014fb7b7 [INFO] running `Command { std: "docker" "start" "-a" "90ca4b383a2f3a81b8fd85247a190ba493471175ab0aee40e97586d0014fb7b7", kill_on_drop: false }` [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] [stdout] [INFO] [stderr] warning: associated function is never used: `parse_program` [INFO] [stdout] running 13 tests [INFO] [stderr] --> src/parser.rs:47:8 [INFO] [stdout] test lexer::test_token_read_empty_parens ... ok [INFO] [stderr] | [INFO] [stdout] test lexer::test_token_read_bool_false ... ok [INFO] [stderr] 47 | fn parse_program(&mut self) { [INFO] [stdout] test lexer::test_token_read_string ... ok [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stdout] test lexer::test_token_read_symbol_len_1 ... ok [INFO] [stderr] [INFO] [stdout] test lexer::test_token_read_symbol_multiple_chars ... ok [INFO] [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] test parser::test_string_expression ... ok [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stdout] test lexer::test_token_read_add_expression ... ok [INFO] [stderr] | [INFO] [stdout] test lexer::test_token_read_bool_true ... ok [INFO] [stderr] 1 | #![feature(match_default_bindings)] [INFO] [stdout] test lexer::test_token_read_symbol_plus ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] test parser::test_num_expression ... ok [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 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/krum-ce8daaa2f4ab679e) [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_num_with_explicit_neg_sign ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "90ca4b383a2f3a81b8fd85247a190ba493471175ab0aee40e97586d0014fb7b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90ca4b383a2f3a81b8fd85247a190ba493471175ab0aee40e97586d0014fb7b7", kill_on_drop: false }` [INFO] [stdout] 90ca4b383a2f3a81b8fd85247a190ba493471175ab0aee40e97586d0014fb7b7