Dec 05 05:30:41.718 INFO checking timi-0.2.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 05:30:41.718 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 05:30:42.215 INFO [stdout] 03db00c4a8df25d56b6624060aed37ea5324ae8e1d19ed98a7ed36555e6897d5
Dec 05 05:30:42.217 INFO running `"docker" "start" "-a" "03db00c4a8df25d56b6624060aed37ea5324ae8e1d19ed98a7ed36555e6897d5"`
Dec 05 05:30:44.087 INFO [stderr] usermod: no changes
Dec 05 05:30:44.219 INFO [stderr]     Checking rustyline v1.0.0
Dec 05 05:30:44.219 INFO [stderr]     Checking prettytable-rs v0.6.7
Dec 05 05:30:46.223 INFO [stderr]     Checking timi v0.2.1 (/source)
Dec 05 05:30:48.232 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:30:48.232 INFO [stderr]     --> src/machine.rs:1507:16
Dec 05 05:30:48.232 INFO [stderr]      |
Dec 05 05:30:48.232 INFO [stderr] 1507 |             Ok((ListAccess::Cons(x_addr, xs_addr)))
Dec 05 05:30:48.232 INFO [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:30:48.232 INFO [stderr]      |
Dec 05 05:30:48.232 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 05 05:30:48.232 INFO [stderr] 
Dec 05 05:30:48.471 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:30:48.471 INFO [stderr]     --> src/machine.rs:1507:16
Dec 05 05:30:48.471 INFO [stderr]      |
Dec 05 05:30:48.471 INFO [stderr] 1507 |             Ok((ListAccess::Cons(x_addr, xs_addr)))
Dec 05 05:30:48.471 INFO [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:30:48.471 INFO [stderr]      |
Dec 05 05:30:48.471 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 05 05:30:48.471 INFO [stderr] 
Dec 05 05:30:49.172 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.173 INFO [stderr]    --> src/frontend.rs:567:21
Dec 05 05:30:49.173 INFO [stderr]     |
Dec 05 05:30:49.173 INFO [stderr] 567 | fn parse_identifier(mut cursor: &mut TokenizerCursor) -> Result<(Range, CoreToken), ParseError> {
Dec 05 05:30:49.173 INFO [stderr]     |                     ----^^^^^^
Dec 05 05:30:49.173 INFO [stderr]     |                     |
Dec 05 05:30:49.173 INFO [stderr]     |                     help: remove this `mut`
Dec 05 05:30:49.173 INFO [stderr]     |
Dec 05 05:30:49.173 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 05:30:49.173 INFO [stderr] 
Dec 05 05:30:49.183 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.183 INFO [stderr]    --> src/frontend.rs:749:15
Dec 05 05:30:49.183 INFO [stderr]     |
Dec 05 05:30:49.183 INFO [stderr] 749 | fn parse_pack(mut c: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.183 INFO [stderr]     |               ----^
Dec 05 05:30:49.183 INFO [stderr]     |               |
Dec 05 05:30:49.183 INFO [stderr]     |               help: remove this `mut`
Dec 05 05:30:49.183 INFO [stderr] 
Dec 05 05:30:49.190 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.190 INFO [stderr]    --> src/frontend.rs:893:18
Dec 05 05:30:49.190 INFO [stderr]     |
Dec 05 05:30:49.190 INFO [stderr] 893 | fn parse_mul_div(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.190 INFO [stderr]     |                  ----^^^^^^
Dec 05 05:30:49.190 INFO [stderr]     |                  |
Dec 05 05:30:49.190 INFO [stderr]     |                  help: remove this `mut`
Dec 05 05:30:49.190 INFO [stderr] 
Dec 05 05:30:49.190 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.190 INFO [stderr]    --> src/frontend.rs:906:18
Dec 05 05:30:49.190 INFO [stderr]     |
Dec 05 05:30:49.190 INFO [stderr] 906 | fn parse_add_sub(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.190 INFO [stderr]     |                  ----^^^^^^
Dec 05 05:30:49.190 INFO [stderr]     |                  |
Dec 05 05:30:49.190 INFO [stderr]     |                  help: remove this `mut`
Dec 05 05:30:49.190 INFO [stderr] 
Dec 05 05:30:49.191 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.191 INFO [stderr]    --> src/frontend.rs:919:16
Dec 05 05:30:49.193 INFO [stderr]     |
Dec 05 05:30:49.193 INFO [stderr] 919 | fn parse_relop(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.193 INFO [stderr]     |                ----^^^^^^
Dec 05 05:30:49.193 INFO [stderr]     |                |
Dec 05 05:30:49.193 INFO [stderr]     |                help: remove this `mut`
Dec 05 05:30:49.193 INFO [stderr] 
Dec 05 05:30:49.193 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.193 INFO [stderr]    --> src/frontend.rs:938:14
Dec 05 05:30:49.193 INFO [stderr]     |
Dec 05 05:30:49.194 INFO [stderr] 938 | fn parse_and(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.194 INFO [stderr]     |              ----^^^^^^
Dec 05 05:30:49.194 INFO [stderr]     |              |
Dec 05 05:30:49.194 INFO [stderr]     |              help: remove this `mut`
Dec 05 05:30:49.194 INFO [stderr] 
Dec 05 05:30:49.194 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.194 INFO [stderr]    --> src/frontend.rs:950:13
Dec 05 05:30:49.194 INFO [stderr]     |
Dec 05 05:30:49.195 INFO [stderr] 950 | fn parse_or(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.195 INFO [stderr]     |             ----^^^^^^
Dec 05 05:30:49.195 INFO [stderr]     |             |
Dec 05 05:30:49.195 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:30:49.195 INFO [stderr] 
Dec 05 05:30:49.223 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.223 INFO [stderr]   --> src/pretty_print.rs:82:32
Dec 05 05:30:49.223 INFO [stderr]    |
Dec 05 05:30:49.223 INFO [stderr] 82 |                                mut processed: &mut HashSet<Addr>,
Dec 05 05:30:49.223 INFO [stderr]    |                                ----^^^^^^^^^
Dec 05 05:30:49.223 INFO [stderr]    |                                |
Dec 05 05:30:49.223 INFO [stderr]    |                                help: remove this `mut`
Dec 05 05:30:49.223 INFO [stderr] 
Dec 05 05:30:49.231 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.231 INFO [stderr]   --> src/pretty_print.rs:83:32
Dec 05 05:30:49.231 INFO [stderr]    |
Dec 05 05:30:49.231 INFO [stderr] 83 |                                mut rec_stack: &mut HashSet<Addr>) -> bool {
Dec 05 05:30:49.231 INFO [stderr]    |                                ----^^^^^^^^^
Dec 05 05:30:49.231 INFO [stderr]    |                                |
Dec 05 05:30:49.231 INFO [stderr]    |                                help: remove this `mut`
Dec 05 05:30:49.231 INFO [stderr] 
Dec 05 05:30:49.451 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.451 INFO [stderr]    --> src/frontend.rs:567:21
Dec 05 05:30:49.451 INFO [stderr]     |
Dec 05 05:30:49.451 INFO [stderr] 567 | fn parse_identifier(mut cursor: &mut TokenizerCursor) -> Result<(Range, CoreToken), ParseError> {
Dec 05 05:30:49.451 INFO [stderr]     |                     ----^^^^^^
Dec 05 05:30:49.451 INFO [stderr]     |                     |
Dec 05 05:30:49.451 INFO [stderr]     |                     help: remove this `mut`
Dec 05 05:30:49.451 INFO [stderr]     |
Dec 05 05:30:49.451 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 05:30:49.451 INFO [stderr] 
Dec 05 05:30:49.467 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.467 INFO [stderr]    --> src/frontend.rs:749:15
Dec 05 05:30:49.467 INFO [stderr]     |
Dec 05 05:30:49.467 INFO [stderr] 749 | fn parse_pack(mut c: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.467 INFO [stderr]     |               ----^
Dec 05 05:30:49.467 INFO [stderr]     |               |
Dec 05 05:30:49.467 INFO [stderr]     |               help: remove this `mut`
Dec 05 05:30:49.467 INFO [stderr] 
Dec 05 05:30:49.486 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.486 INFO [stderr]    --> src/frontend.rs:893:18
Dec 05 05:30:49.486 INFO [stderr]     |
Dec 05 05:30:49.486 INFO [stderr] 893 | fn parse_mul_div(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.486 INFO [stderr]     |                  ----^^^^^^
Dec 05 05:30:49.486 INFO [stderr]     |                  |
Dec 05 05:30:49.486 INFO [stderr]     |                  help: remove this `mut`
Dec 05 05:30:49.486 INFO [stderr] 
Dec 05 05:30:49.486 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.487 INFO [stderr]    --> src/frontend.rs:906:18
Dec 05 05:30:49.487 INFO [stderr]     |
Dec 05 05:30:49.487 INFO [stderr] 906 | fn parse_add_sub(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.487 INFO [stderr]     |                  ----^^^^^^
Dec 05 05:30:49.487 INFO [stderr]     |                  |
Dec 05 05:30:49.487 INFO [stderr]     |                  help: remove this `mut`
Dec 05 05:30:49.487 INFO [stderr] 
Dec 05 05:30:49.488 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.488 INFO [stderr]    --> src/frontend.rs:919:16
Dec 05 05:30:49.488 INFO [stderr]     |
Dec 05 05:30:49.488 INFO [stderr] 919 | fn parse_relop(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.488 INFO [stderr]     |                ----^^^^^^
Dec 05 05:30:49.488 INFO [stderr]     |                |
Dec 05 05:30:49.488 INFO [stderr]     |                help: remove this `mut`
Dec 05 05:30:49.488 INFO [stderr] 
Dec 05 05:30:49.489 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.489 INFO [stderr]    --> src/frontend.rs:938:14
Dec 05 05:30:49.489 INFO [stderr]     |
Dec 05 05:30:49.489 INFO [stderr] 938 | fn parse_and(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.489 INFO [stderr]     |              ----^^^^^^
Dec 05 05:30:49.489 INFO [stderr]     |              |
Dec 05 05:30:49.489 INFO [stderr]     |              help: remove this `mut`
Dec 05 05:30:49.489 INFO [stderr] 
Dec 05 05:30:49.490 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.490 INFO [stderr]    --> src/frontend.rs:950:13
Dec 05 05:30:49.490 INFO [stderr]     |
Dec 05 05:30:49.490 INFO [stderr] 950 | fn parse_or(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:49.490 INFO [stderr]     |             ----^^^^^^
Dec 05 05:30:49.490 INFO [stderr]     |             |
Dec 05 05:30:49.490 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:30:49.490 INFO [stderr] 
Dec 05 05:30:49.532 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.532 INFO [stderr]   --> src/pretty_print.rs:82:32
Dec 05 05:30:49.532 INFO [stderr]    |
Dec 05 05:30:49.532 INFO [stderr] 82 |                                mut processed: &mut HashSet<Addr>,
Dec 05 05:30:49.532 INFO [stderr]    |                                ----^^^^^^^^^
Dec 05 05:30:49.532 INFO [stderr]    |                                |
Dec 05 05:30:49.532 INFO [stderr]    |                                help: remove this `mut`
Dec 05 05:30:49.532 INFO [stderr] 
Dec 05 05:30:49.532 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:49.532 INFO [stderr]   --> src/pretty_print.rs:83:32
Dec 05 05:30:49.532 INFO [stderr]    |
Dec 05 05:30:49.532 INFO [stderr] 83 |                                mut rec_stack: &mut HashSet<Addr>) -> bool {
Dec 05 05:30:49.532 INFO [stderr]    |                                ----^^^^^^^^^
Dec 05 05:30:49.532 INFO [stderr]    |                                |
Dec 05 05:30:49.532 INFO [stderr]    |                                help: remove this `mut`
Dec 05 05:30:49.532 INFO [stderr] 
Dec 05 05:30:52.535 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:30:52.535 INFO [stderr]     --> src/machine.rs:1507:16
Dec 05 05:30:52.535 INFO [stderr]      |
Dec 05 05:30:52.535 INFO [stderr] 1507 |             Ok((ListAccess::Cons(x_addr, xs_addr)))
Dec 05 05:30:52.536 INFO [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:30:52.536 INFO [stderr]      |
Dec 05 05:30:52.536 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 05 05:30:52.536 INFO [stderr] 
Dec 05 05:30:53.108 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:30:53.108 INFO [stderr]     --> src/machine.rs:1507:16
Dec 05 05:30:53.108 INFO [stderr]      |
Dec 05 05:30:53.108 INFO [stderr] 1507 |             Ok((ListAccess::Cons(x_addr, xs_addr)))
Dec 05 05:30:53.108 INFO [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:30:53.108 INFO [stderr]      |
Dec 05 05:30:53.108 INFO [stderr]      = note: #[warn(unused_parens)] on by default
Dec 05 05:30:53.108 INFO [stderr] 
Dec 05 05:30:54.076 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.076 INFO [stderr]    --> src/frontend.rs:567:21
Dec 05 05:30:54.076 INFO [stderr]     |
Dec 05 05:30:54.076 INFO [stderr] 567 | fn parse_identifier(mut cursor: &mut TokenizerCursor) -> Result<(Range, CoreToken), ParseError> {
Dec 05 05:30:54.076 INFO [stderr]     |                     ----^^^^^^
Dec 05 05:30:54.076 INFO [stderr]     |                     |
Dec 05 05:30:54.076 INFO [stderr]     |                     help: remove this `mut`
Dec 05 05:30:54.087 INFO [stderr]     |
Dec 05 05:30:54.087 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 05:30:54.087 INFO [stderr] 
Dec 05 05:30:54.131 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.131 INFO [stderr]    --> src/frontend.rs:749:15
Dec 05 05:30:54.131 INFO [stderr]     |
Dec 05 05:30:54.131 INFO [stderr] 749 | fn parse_pack(mut c: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.131 INFO [stderr]     |               ----^
Dec 05 05:30:54.131 INFO [stderr]     |               |
Dec 05 05:30:54.131 INFO [stderr]     |               help: remove this `mut`
Dec 05 05:30:54.131 INFO [stderr] 
Dec 05 05:30:54.138 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.138 INFO [stderr]    --> src/frontend.rs:893:18
Dec 05 05:30:54.138 INFO [stderr]     |
Dec 05 05:30:54.138 INFO [stderr] 893 | fn parse_mul_div(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.138 INFO [stderr]     |                  ----^^^^^^
Dec 05 05:30:54.138 INFO [stderr]     |                  |
Dec 05 05:30:54.138 INFO [stderr]     |                  help: remove this `mut`
Dec 05 05:30:54.138 INFO [stderr] 
Dec 05 05:30:54.139 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.139 INFO [stderr]    --> src/frontend.rs:906:18
Dec 05 05:30:54.139 INFO [stderr]     |
Dec 05 05:30:54.139 INFO [stderr] 906 | fn parse_add_sub(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.139 INFO [stderr]     |                  ----^^^^^^
Dec 05 05:30:54.139 INFO [stderr]     |                  |
Dec 05 05:30:54.139 INFO [stderr]     |                  help: remove this `mut`
Dec 05 05:30:54.151 INFO [stderr] 
Dec 05 05:30:54.152 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.152 INFO [stderr]    --> src/frontend.rs:919:16
Dec 05 05:30:54.152 INFO [stderr]     |
Dec 05 05:30:54.152 INFO [stderr] 919 | fn parse_relop(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.152 INFO [stderr]     |                ----^^^^^^
Dec 05 05:30:54.152 INFO [stderr]     |                |
Dec 05 05:30:54.152 INFO [stderr]     |                help: remove this `mut`
Dec 05 05:30:54.153 INFO [stderr] 
Dec 05 05:30:54.153 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.153 INFO [stderr]    --> src/frontend.rs:938:14
Dec 05 05:30:54.153 INFO [stderr]     |
Dec 05 05:30:54.153 INFO [stderr] 938 | fn parse_and(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.153 INFO [stderr]     |              ----^^^^^^
Dec 05 05:30:54.154 INFO [stderr]     |              |
Dec 05 05:30:54.154 INFO [stderr]     |              help: remove this `mut`
Dec 05 05:30:54.154 INFO [stderr] 
Dec 05 05:30:54.154 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.154 INFO [stderr]    --> src/frontend.rs:950:13
Dec 05 05:30:54.154 INFO [stderr]     |
Dec 05 05:30:54.154 INFO [stderr] 950 | fn parse_or(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.154 INFO [stderr]     |             ----^^^^^^
Dec 05 05:30:54.154 INFO [stderr]     |             |
Dec 05 05:30:54.154 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:30:54.154 INFO [stderr] 
Dec 05 05:30:54.475 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.475 INFO [stderr]   --> src/pretty_print.rs:82:32
Dec 05 05:30:54.475 INFO [stderr]    |
Dec 05 05:30:54.475 INFO [stderr] 82 |                                mut processed: &mut HashSet<Addr>,
Dec 05 05:30:54.475 INFO [stderr]    |                                ----^^^^^^^^^
Dec 05 05:30:54.475 INFO [stderr]    |                                |
Dec 05 05:30:54.475 INFO [stderr]    |                                help: remove this `mut`
Dec 05 05:30:54.475 INFO [stderr] 
Dec 05 05:30:54.475 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.475 INFO [stderr]   --> src/pretty_print.rs:83:32
Dec 05 05:30:54.475 INFO [stderr]    |
Dec 05 05:30:54.475 INFO [stderr] 83 |                                mut rec_stack: &mut HashSet<Addr>) -> bool {
Dec 05 05:30:54.476 INFO [stderr]    |                                ----^^^^^^^^^
Dec 05 05:30:54.476 INFO [stderr]    |                                |
Dec 05 05:30:54.476 INFO [stderr]    |                                help: remove this `mut`
Dec 05 05:30:54.476 INFO [stderr] 
Dec 05 05:30:54.562 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.562 INFO [stderr]    --> src/frontend.rs:567:21
Dec 05 05:30:54.562 INFO [stderr]     |
Dec 05 05:30:54.562 INFO [stderr] 567 | fn parse_identifier(mut cursor: &mut TokenizerCursor) -> Result<(Range, CoreToken), ParseError> {
Dec 05 05:30:54.562 INFO [stderr]     |                     ----^^^^^^
Dec 05 05:30:54.562 INFO [stderr]     |                     |
Dec 05 05:30:54.562 INFO [stderr]     |                     help: remove this `mut`
Dec 05 05:30:54.572 INFO [stderr]     |
Dec 05 05:30:54.572 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 05:30:54.572 INFO [stderr] 
Dec 05 05:30:54.582 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.582 INFO [stderr]    --> src/frontend.rs:749:15
Dec 05 05:30:54.582 INFO [stderr]     |
Dec 05 05:30:54.582 INFO [stderr] 749 | fn parse_pack(mut c: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.582 INFO [stderr]     |               ----^
Dec 05 05:30:54.582 INFO [stderr]     |               |
Dec 05 05:30:54.582 INFO [stderr]     |               help: remove this `mut`
Dec 05 05:30:54.582 INFO [stderr] 
Dec 05 05:30:54.588 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.588 INFO [stderr]    --> src/frontend.rs:893:18
Dec 05 05:30:54.588 INFO [stderr]     |
Dec 05 05:30:54.588 INFO [stderr] 893 | fn parse_mul_div(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.588 INFO [stderr]     |                  ----^^^^^^
Dec 05 05:30:54.588 INFO [stderr]     |                  |
Dec 05 05:30:54.588 INFO [stderr]     |                  help: remove this `mut`
Dec 05 05:30:54.588 INFO [stderr] 
Dec 05 05:30:54.589 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.589 INFO [stderr]    --> src/frontend.rs:906:18
Dec 05 05:30:54.589 INFO [stderr]     |
Dec 05 05:30:54.589 INFO [stderr] 906 | fn parse_add_sub(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.589 INFO [stderr]     |                  ----^^^^^^
Dec 05 05:30:54.589 INFO [stderr]     |                  |
Dec 05 05:30:54.589 INFO [stderr]     |                  help: remove this `mut`
Dec 05 05:30:54.589 INFO [stderr] 
Dec 05 05:30:54.591 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.591 INFO [stderr]    --> src/frontend.rs:919:16
Dec 05 05:30:54.591 INFO [stderr]     |
Dec 05 05:30:54.591 INFO [stderr] 919 | fn parse_relop(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.591 INFO [stderr]     |                ----^^^^^^
Dec 05 05:30:54.591 INFO [stderr]     |                |
Dec 05 05:30:54.591 INFO [stderr]     |                help: remove this `mut`
Dec 05 05:30:54.591 INFO [stderr] 
Dec 05 05:30:54.591 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.591 INFO [stderr]    --> src/frontend.rs:938:14
Dec 05 05:30:54.591 INFO [stderr]     |
Dec 05 05:30:54.591 INFO [stderr] 938 | fn parse_and(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.591 INFO [stderr]     |              ----^^^^^^
Dec 05 05:30:54.591 INFO [stderr]     |              |
Dec 05 05:30:54.591 INFO [stderr]     |              help: remove this `mut`
Dec 05 05:30:54.591 INFO [stderr] 
Dec 05 05:30:54.592 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.592 INFO [stderr]    --> src/frontend.rs:950:13
Dec 05 05:30:54.592 INFO [stderr]     |
Dec 05 05:30:54.592 INFO [stderr] 950 | fn parse_or(mut cursor: &mut ParserCursor) -> Result<CoreExpr, ParseError> {
Dec 05 05:30:54.592 INFO [stderr]     |             ----^^^^^^
Dec 05 05:30:54.592 INFO [stderr]     |             |
Dec 05 05:30:54.592 INFO [stderr]     |             help: remove this `mut`
Dec 05 05:30:54.592 INFO [stderr] 
Dec 05 05:30:54.707 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.707 INFO [stderr]   --> src/pretty_print.rs:82:32
Dec 05 05:30:54.707 INFO [stderr]    |
Dec 05 05:30:54.707 INFO [stderr] 82 |                                mut processed: &mut HashSet<Addr>,
Dec 05 05:30:54.707 INFO [stderr]    |                                ----^^^^^^^^^
Dec 05 05:30:54.707 INFO [stderr]    |                                |
Dec 05 05:30:54.707 INFO [stderr]    |                                help: remove this `mut`
Dec 05 05:30:54.707 INFO [stderr] 
Dec 05 05:30:54.707 INFO [stderr] warning: variable does not need to be mutable
Dec 05 05:30:54.707 INFO [stderr]   --> src/pretty_print.rs:83:32
Dec 05 05:30:54.707 INFO [stderr]    |
Dec 05 05:30:54.707 INFO [stderr] 83 |                                mut rec_stack: &mut HashSet<Addr>) -> bool {
Dec 05 05:30:54.707 INFO [stderr]    |                                ----^^^^^^^^^
Dec 05 05:30:54.707 INFO [stderr]    |                                |
Dec 05 05:30:54.707 INFO [stderr]    |                                help: remove this `mut`
Dec 05 05:30:54.707 INFO [stderr] 
Dec 05 05:30:54.807 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.69s
Dec 05 05:30:54.827 INFO [stderr] su: No module specific data is present
Dec 05 05:30:55.808 INFO running `"docker" "inspect" "03db00c4a8df25d56b6624060aed37ea5324ae8e1d19ed98a7ed36555e6897d5"`
Dec 05 05:30:56.025 INFO running `"docker" "rm" "-f" "03db00c4a8df25d56b6624060aed37ea5324ae8e1d19ed98a7ed36555e6897d5"`
Dec 05 05:30:56.303 INFO [stdout] 03db00c4a8df25d56b6624060aed37ea5324ae8e1d19ed98a7ed36555e6897d5