[INFO] cloning repository https://github.com/SerebryakovVV/waiir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SerebryakovVV/waiir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerebryakovVV%2Fwaiir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerebryakovVV%2Fwaiir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc2316cca502e90f566d97ef3ba8da94ee594ba2
[INFO] testing SerebryakovVV/waiir against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerebryakovVV%2Fwaiir" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/SerebryakovVV/waiir
[INFO] finished tweaking git repo https://github.com/SerebryakovVV/waiir
[INFO] tweaked toml for git repo https://github.com/SerebryakovVV/waiir written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SerebryakovVV/waiir on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SerebryakovVV/waiir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40459fa8c9aba0884f601f0dab977e775682e27e7264c5e5223b959896ce5ad0
[INFO] running `Command { std: "docker" "start" "-a" "40459fa8c9aba0884f601f0dab977e775682e27e7264c5e5223b959896ce5ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40459fa8c9aba0884f601f0dab977e775682e27e7264c5e5223b959896ce5ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40459fa8c9aba0884f601f0dab977e775682e27e7264c5e5223b959896ce5ad0", kill_on_drop: false }`
[INFO] [stdout] 40459fa8c9aba0884f601f0dab977e775682e27e7264c5e5223b959896ce5ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c80bc543dad04f14cc5587f27219c0d2f56d57d2b19c2b2a89db2d35eaee203f
[INFO] running `Command { std: "docker" "start" "-a" "c80bc543dad04f14cc5587f27219c0d2f56d57d2b19c2b2a89db2d35eaee203f", kill_on_drop: false }`
[INFO] [stderr]    Compiling waiir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/repl/mod.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 |   let mut env = Rc::new(RefCell::new(Environment::new()));
[INFO] [stdout]    |       ----^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/evaluator/environment.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut get_res = self.store.get(&name);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator/builtin.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |       _ => Object::NULL
[INFO] [stdout]    |       ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator/builtin.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |       BuiltIn::LEN => self.apply_len(args),
[INFO] [stdout]    |       ------------ matches some of the same values
[INFO] [stdout] 31 |       BuiltIn::FIRST => self.apply_first(args),
[INFO] [stdout]    |       -------------- matches some of the same values
[INFO] [stdout] 32 |       BuiltIn::LAST => self.apply_last(args),
[INFO] [stdout]    |       ------------- matches some of the same values
[INFO] [stdout] 33 |       BuiltIn::REST => self.apply_rest(args),
[INFO] [stdout]    |       ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 36 |       _ => Object::NULL
[INFO] [stdout]    |       ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator/mod.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |       _ => Object::NULL
[INFO] [stdout]    |       ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator/mod.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |       Expression::INT(i) => Object::INT(i),
[INFO] [stdout]    |       ------------------ matches some of the same values
[INFO] [stdout] 23 |       Expression::STRING(s) => Object::STRING(s),
[INFO] [stdout]    |       --------------------- matches some of the same values
[INFO] [stdout] 24 |       Expression::BOOLEAN(b) => Object::BOOLEAN(b), 
[INFO] [stdout]    |       ---------------------- matches some of the same values
[INFO] [stdout] 25 |       Expression::IDENT(i) => eval_identifier_expression(i, env),
[INFO] [stdout]    |       -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 80 |       _ => Object::NULL
[INFO] [stdout]    |       ^ ...and 9 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/evaluator/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut hashed_key = 
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "c80bc543dad04f14cc5587f27219c0d2f56d57d2b19c2b2a89db2d35eaee203f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80bc543dad04f14cc5587f27219c0d2f56d57d2b19c2b2a89db2d35eaee203f", kill_on_drop: false }`
[INFO] [stdout] c80bc543dad04f14cc5587f27219c0d2f56d57d2b19c2b2a89db2d35eaee203f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75cb7cfcb9b4aec6b0bb243247e50c524e21a5f9131681f6b3c1c788435a29cf
[INFO] running `Command { std: "docker" "start" "-a" "75cb7cfcb9b4aec6b0bb243247e50c524e21a5f9131681f6b3c1c788435a29cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling waiir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/repl/mod.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 |   let mut env = Rc::new(RefCell::new(Environment::new()));
[INFO] [stdout]    |       ----^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/evaluator/environment.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut get_res = self.store.get(&name);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator/builtin.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 |       _ => Object::NULL
[INFO] [stdout]    |       ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator/builtin.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 30 |       BuiltIn::LEN => self.apply_len(args),
[INFO] [stdout]    |       ------------ matches some of the same values
[INFO] [stdout] 31 |       BuiltIn::FIRST => self.apply_first(args),
[INFO] [stdout]    |       -------------- matches some of the same values
[INFO] [stdout] 32 |       BuiltIn::LAST => self.apply_last(args),
[INFO] [stdout]    |       ------------- matches some of the same values
[INFO] [stdout] 33 |       BuiltIn::REST => self.apply_rest(args),
[INFO] [stdout]    |       ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 36 |       _ => Object::NULL
[INFO] [stdout]    |       ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator/mod.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |       _ => Object::NULL
[INFO] [stdout]    |       ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator/mod.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |       Expression::INT(i) => Object::INT(i),
[INFO] [stdout]    |       ------------------ matches some of the same values
[INFO] [stdout] 23 |       Expression::STRING(s) => Object::STRING(s),
[INFO] [stdout]    |       --------------------- matches some of the same values
[INFO] [stdout] 24 |       Expression::BOOLEAN(b) => Object::BOOLEAN(b), 
[INFO] [stdout]    |       ---------------------- matches some of the same values
[INFO] [stdout] 25 |       Expression::IDENT(i) => eval_identifier_expression(i, env),
[INFO] [stdout]    |       -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 80 |       _ => Object::NULL
[INFO] [stdout]    |       ^ ...and 9 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/evaluator/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let mut hashed_key = 
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "75cb7cfcb9b4aec6b0bb243247e50c524e21a5f9131681f6b3c1c788435a29cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cb7cfcb9b4aec6b0bb243247e50c524e21a5f9131681f6b3c1c788435a29cf", kill_on_drop: false }`
[INFO] [stdout] 75cb7cfcb9b4aec6b0bb243247e50c524e21a5f9131681f6b3c1c788435a29cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c57cdaca314ce03806cd5c5c5b3ef55aec429dafd1b64dcc78b3e14a1d720c70
[INFO] running `Command { std: "docker" "start" "-a" "c57cdaca314ce03806cd5c5c5b3ef55aec429dafd1b64dcc78b3e14a1d720c70", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/repl/mod.rs:41:7
[INFO] [stderr]    |
[INFO] [stderr] 41 |   let mut env = Rc::new(RefCell::new(Environment::new()));
[INFO] [stderr]    |       ----^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]   --> src/evaluator/environment.rs:25:9
[INFO] [stdout] running 12 tests
[INFO] [stderr]    |
[INFO] [stdout] test evaluator::object::test_hash ... ok
[INFO] [stderr] 25 |     let mut get_res = self.store.get(&name);
[INFO] [stdout] test tests::lexer_tests::test_lexer_empty_input ... ok
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stdout] test tests::lexer_tests::test_lexer_two_char_token ... ok
[INFO] [stderr]    |         |
[INFO] [stdout] test tests::lexer_tests::test_read_array ... ok
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stdout] test tests::lexer_tests::test_lexer_nonempty_input ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::lexer_tests::test_read_string_tokens_after ... ok
[INFO] [stderr] warning: unreachable pattern
[INFO] [stdout] test tests::lexer_tests::test_read_open_string ... ok
[INFO] [stderr]   --> src/evaluator/builtin.rs:36:7
[INFO] [stdout] test tests::lexer_tests::test_read_string ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::parser_tests::initialization_of_parser_fields ... ok
[INFO] [stderr] 36 |       _ => Object::NULL
[INFO] [stdout] test tests::parser_tests::initialization_of_parser_fields_with_empty_source ... ok
[INFO] [stderr]    |       ^ no value can reach this
[INFO] [stdout] test tests::parser_tests::parse_ident_int_bare ... ok
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> src/evaluator/builtin.rs:36:7
[INFO] [stderr]    |
[INFO] [stderr] 30 |       BuiltIn::LEN => self.apply_len(args),
[INFO] [stderr]    |       ------------ matches some of the same values
[INFO] [stderr] 31 |       BuiltIn::FIRST => self.apply_first(args),
[INFO] [stderr]    |       -------------- matches some of the same values
[INFO] [stderr] 32 |       BuiltIn::LAST => self.apply_last(args),
[INFO] [stderr]    |       ------------- matches some of the same values
[INFO] [stderr] 33 |       BuiltIn::REST => self.apply_rest(args),
[INFO] [stderr]    |       ------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 36 |       _ => Object::NULL
[INFO] [stderr]    |       ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/evaluator/mod.rs:80:7
[INFO] [stderr]    |
[INFO] [stderr] 80 |       _ => Object::NULL
[INFO] [stderr]    |       ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> src/evaluator/mod.rs:80:7
[INFO] [stderr]    |
[INFO] [stderr] 22 |       Expression::INT(i) => Object::INT(i),
[INFO] [stderr]    |       ------------------ matches some of the same values
[INFO] [stderr] 23 |       Expression::STRING(s) => Object::STRING(s),
[INFO] [stderr]    |       --------------------- matches some of the same values
[INFO] [stderr] 24 |       Expression::BOOLEAN(b) => Object::BOOLEAN(b), 
[INFO] [stderr]    |       ---------------------- matches some of the same values
[INFO] [stderr] 25 |       Expression::IDENT(i) => eval_identifier_expression(i, env),
[INFO] [stderr]    |       -------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 80 |       _ => Object::NULL
[INFO] [stderr]    |       ^ ...and 9 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/evaluator/mod.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let mut hashed_key = 
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `waiir` (bin "waiir" test) generated 5 warnings (run `cargo fix --bin "waiir" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/waiir-2a9cfa4ba3d12d75)
[INFO] [stdout] test tests::parser_tests::parse_let_statement_bare ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::parser_tests::parse_let_statement_bare stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::parser_tests::parse_let_statement_bare' panicked at src/main.rs:187:7:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: LET { name: Identifier { value: "foo" }, value: INT(5) }
[INFO] [stdout]  right: LET { name: Identifier { value: "foo" }, value: DUMMY }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d6102868462 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d6102868462 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d6102868462 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5d6102868462 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5d610288d823 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5d610288d823 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5d6102865643 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5d6102865643 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5d61028682b2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5d61028699cc - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5d6102869822 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5d6102831904 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5d6102831904 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5d610286a3ab - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5d610286a3ab - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5d610286a17a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5d6102868959 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5d6102869e0d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5d610288c070 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5d610288c338 - core::panicking::assert_failed_inner::h02e1528dd7bc6647
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5d61027f7ea5 - core::panicking::assert_failed::ha210addde93a843e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5d61027eb722 - waiir::tests::parser_tests::parse_let_statement_bare::h97bfae9b20a29a11
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:187:7
[INFO] [stdout]   22:     0x5d61027f7119 - waiir::tests::parser_tests::parse_let_statement_bare::{{closure}}::ha05d95021fc16804
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:180:34
[INFO] [stdout]   23:     0x5d61027f7119 - core::ops::function::FnOnce::call_once::hadb27487dd199859
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5d610283708b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5d610283708b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5d610283627e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5d610283627e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5d610283627e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5d610283627e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5d610283627e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5d610283627e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5d610283627e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5d61027f9df4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5d61027f9df4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5d61027fd7ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5d61027fd7ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5d61027fd7ca - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5d61027fd7ca - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5d61027fd7ca - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5d61027fd7ca - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5d61027fd7ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5d610286d307 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5d610286d307 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5d610286d307 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7d4735778aa4 - <unknown>
[INFO] [stdout]   46:     0x7d4735805a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::parser_tests::parse_let_statement_bare
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin waiir`
[INFO] running `Command { std: "docker" "inspect" "c57cdaca314ce03806cd5c5c5b3ef55aec429dafd1b64dcc78b3e14a1d720c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57cdaca314ce03806cd5c5c5b3ef55aec429dafd1b64dcc78b3e14a1d720c70", kill_on_drop: false }`
[INFO] [stdout] c57cdaca314ce03806cd5c5c5b3ef55aec429dafd1b64dcc78b3e14a1d720c70
