[INFO] updating cached repository TheKevJames/juicyj
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TheKevJames/juicyj
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TheKevJames/juicyj" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/TheKevJames/juicyj"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/TheKevJames/juicyj'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TheKevJames/juicyj" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/TheKevJames/juicyj"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/TheKevJames/juicyj'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c48e964a4b5deea32ccc054a4a7ac416d4c966e6
[INFO] sha for GitHub repo TheKevJames/juicyj: c48e964a4b5deea32ccc054a4a7ac416d4c966e6
[INFO] validating manifest of TheKevJames/juicyj on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of TheKevJames/juicyj on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing TheKevJames/juicyj
[INFO] finished frobbing TheKevJames/juicyj
[INFO] frobbed toml for TheKevJames/juicyj written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/TheKevJames/juicyj/Cargo.toml
[INFO] started frobbing TheKevJames/juicyj
[INFO] finished frobbing TheKevJames/juicyj
[INFO] frobbed toml for TheKevJames/juicyj written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/TheKevJames/juicyj/Cargo.toml
[INFO] crate TheKevJames/juicyj already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking TheKevJames/juicyj against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/TheKevJames/juicyj:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3f894e538890de84d473c802f4c9915606b23e0ae8f729e532338e3f7c4c22be
[INFO] running `"docker" "start" "-a" "3f894e538890de84d473c802f4c9915606b23e0ae8f729e532338e3f7c4c22be"`
[INFO] [stderr] warning: profile `doc` is deprecated and has no effect
[INFO] [stderr]     Checking juicyj v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/mod.rs:68:16
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn rebuild_env(mut env: &mut Environment) -> Result<(), String> {
[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] [stderr]   --> src/analysis/types/mod.rs:68:16
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn rebuild_env(mut env: &mut Environment) -> Result<(), String> {
[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] [stderr]   --> src/analysis/types/mod.rs:82:27
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn verify_env_inheritable(mut env: &mut Environment) -> Result<(), String> {
[INFO] [stderr]    |                           ----^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/mod.rs:82:27
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn verify_env_inheritable(mut env: &mut Environment) -> Result<(), String> {
[INFO] [stderr]    |                           ----^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/analysis/types/mod.rs:167:15
[INFO] [stderr]     |
[INFO] [stderr] 167 | fn verify_env(mut env: &mut Environment) -> Result<(), String> {
[INFO] [stderr]     |               ----^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/analysis/types/mod.rs:167:15
[INFO] [stderr]     |
[INFO] [stderr] 167 | fn verify_env(mut env: &mut Environment) -> Result<(), String> {
[INFO] [stderr]     |               ----^^^
[INFO] [stderr]     |               |
[INFO] [stderr]     |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/analysis/types/resolve/arrayaccess.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/arraycreationexpression.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]    |           ----^^^^
[INFO] [stderr]    |           |
[INFO] [stderr]    |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/analysis/types/resolve/arrayaccess.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/arraycreationexpression.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]    |           ----^^^^
[INFO] [stderr]    |           |
[INFO] [stderr]    |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/analysis/types/resolve/assignment.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/castexpression.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]    |           ----^^^^
[INFO] [stderr]    |           |
[INFO] [stderr]    |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/analysis/types/resolve/assignment.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/castexpression.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]    |           ----^^^^
[INFO] [stderr]    |           |
[INFO] [stderr]    |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/comparison.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn onearg_boolean(mut node: &mut ASTNode,
[INFO] [stderr]    |                       ----^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/comparison.rs:75:15
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn twoarg(mut node: &mut ASTNode,
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/comparison.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn onearg_boolean(mut node: &mut ASTNode,
[INFO] [stderr]    |                       ----^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/comparison.rs:75:15
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn twoarg(mut node: &mut ASTNode,
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/comparison.rs:95:23
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn twoarg_boolean(mut node: &mut ASTNode,
[INFO] [stderr]    |                       ----^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/analysis/types/resolve/comparison.rs:161:26
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn twoarg_instanceof(mut node: &mut ASTNode,
[INFO] [stderr]     |                          ----^^^^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/comparison.rs:95:23
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn twoarg_boolean(mut node: &mut ASTNode,
[INFO] [stderr]    |                       ----^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/analysis/types/resolve/comparison.rs:161:26
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn twoarg_instanceof(mut node: &mut ASTNode,
[INFO] [stderr]     |                          ----^^^^
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/methodinvocation.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn get_args(mut node: &mut ASTNode,
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/methodinvocation.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn get_args(mut node: &mut ASTNode,
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/methodinvocation.rs:83:15
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn get_method(mut node: &mut ASTNode,
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/resolve/methodinvocation.rs:83:15
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn get_method(mut node: &mut ASTNode,
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/verify/method/declaration.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]    |           ----^^^^
[INFO] [stderr]    |           |
[INFO] [stderr]    |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/analysis/types/verify/method/declaration.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn go(mut node: &mut ASTNode,
[INFO] [stderr]    |           ----^^^^
[INFO] [stderr]    |           |
[INFO] [stderr]    |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/booleanvalue.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 |           mut text: &mut Vec<String>,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/booleanvalue.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 |           mut externs: &mut Vec<String>)
[INFO] [stderr]   |           ----^^^^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/charvalue.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 |           mut text: &mut Vec<String>,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/charvalue.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 |           mut externs: &mut Vec<String>)
[INFO] [stderr]   |           ----^^^^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/booleanvalue.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 |           mut text: &mut Vec<String>,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/booleanvalue.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 |           mut externs: &mut Vec<String>)
[INFO] [stderr]   |           ----^^^^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/charvalue.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 |           mut text: &mut Vec<String>,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/charvalue.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 |           mut externs: &mut Vec<String>)
[INFO] [stderr]   |           ----^^^^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/nullvalue.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn go(mut text: &mut Vec<String>,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/nullvalue.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 |           mut externs: &mut Vec<String>)
[INFO] [stderr]   |           ----^^^^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/numvalue.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 |           mut text: &mut Vec<String>,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/numvalue.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 |           mut externs: &mut Vec<String>)
[INFO] [stderr]   |           ----^^^^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/nullvalue.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn go(mut text: &mut Vec<String>,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/nullvalue.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 |           mut externs: &mut Vec<String>)
[INFO] [stderr]   |           ----^^^^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/numvalue.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 |           mut text: &mut Vec<String>,
[INFO] [stderr]   |           ----^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/numvalue.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 |           mut externs: &mut Vec<String>)
[INFO] [stderr]   |           ----^^^^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/this.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn go(class_label: &String, mut text: &mut Vec<String>) -> Result<Option<String>, String> {
[INFO] [stderr]   |                                 ----^^^^
[INFO] [stderr]   |                                 |
[INFO] [stderr]   |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/generator/body/this.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn go(class_label: &String, mut text: &mut Vec<String>) -> Result<Option<String>, String> {
[INFO] [stderr]   |                                 ----^^^^
[INFO] [stderr]   |                                 |
[INFO] [stderr]   |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |                     mut text: &mut Vec<String>,
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |                     mut externs: &mut Vec<String>) {
[INFO] [stderr]    |                     ----^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 mut text: &mut Vec<String>,
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 mut externs: &mut Vec<String>,
[INFO] [stderr]    |                 ----^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 mut bss: &mut Vec<(String, String)>)
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/generator/class/method.rs:113:18
[INFO] [stderr]     |
[INFO] [stderr] 113 |                  mut text: &mut Vec<String>,
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/generator/class/method.rs:114:18
[INFO] [stderr]     |
[INFO] [stderr] 114 |                  mut externs: &mut Vec<String>)
[INFO] [stderr]     |                  ----^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |                     mut text: &mut Vec<String>,
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |                     mut externs: &mut Vec<String>) {
[INFO] [stderr]    |                     ----^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 mut text: &mut Vec<String>,
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 mut externs: &mut Vec<String>,
[INFO] [stderr]    |                 ----^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/generator/class/method.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 mut bss: &mut Vec<(String, String)>)
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/generator/class/method.rs:113:18
[INFO] [stderr]     |
[INFO] [stderr] 113 |                  mut text: &mut Vec<String>,
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/generator/class/method.rs:114:18
[INFO] [stderr]     |
[INFO] [stderr] 114 |                  mut externs: &mut Vec<String>)
[INFO] [stderr]     |                  ----^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `"docker" "inspect" "3f894e538890de84d473c802f4c9915606b23e0ae8f729e532338e3f7c4c22be"`
[INFO] running `"docker" "rm" "-f" "3f894e538890de84d473c802f4c9915606b23e0ae8f729e532338e3f7c4c22be"`
[INFO] [stdout] 3f894e538890de84d473c802f4c9915606b23e0ae8f729e532338e3f7c4c22be