Dec 18 08:44:50.597 INFO checking ABorse/ProgLang18 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:44:50.597 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ABorse/ProgLang18:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:44:50.764 INFO [stdout] 00e0057ae7aad2200984408e500330e8f689988c48309932243a478040189a7d
Dec 18 08:44:50.766 INFO running `"docker" "start" "-a" "00e0057ae7aad2200984408e500330e8f689988c48309932243a478040189a7d"`
Dec 18 08:44:51.440 INFO [stderr]     Checking updated_scheme v0.1.0 (/opt/crater/workdir)
Dec 18 08:44:51.672 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.672 INFO [stderr]  --> src/parser.rs:8:22
Dec 18 08:44:51.672 INFO [stderr]   |
Dec 18 08:44:51.672 INFO [stderr] 8 | fn parse_conditional(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
Dec 18 08:44:51.672 INFO [stderr]   |                      ----^^^^^^
Dec 18 08:44:51.672 INFO [stderr]   |                      |
Dec 18 08:44:51.672 INFO [stderr]   |                      help: remove this `mut`
Dec 18 08:44:51.672 INFO [stderr]   |
Dec 18 08:44:51.672 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 08:44:51.672 INFO [stderr] 
Dec 18 08:44:51.672 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.672 INFO [stderr]   --> src/parser.rs:45:19
Dec 18 08:44:51.672 INFO [stderr]    |
Dec 18 08:44:51.672 INFO [stderr] 45 | fn parse_compound(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
Dec 18 08:44:51.672 INFO [stderr]    |                   ----^^^^^^
Dec 18 08:44:51.672 INFO [stderr]    |                   |
Dec 18 08:44:51.672 INFO [stderr]    |                   help: remove this `mut`
Dec 18 08:44:51.672 INFO [stderr] 
Dec 18 08:44:51.672 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.672 INFO [stderr]   --> src/parser.rs:86:14
Dec 18 08:44:51.672 INFO [stderr]    |
Dec 18 08:44:51.672 INFO [stderr] 86 | pub fn parse(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
Dec 18 08:44:51.672 INFO [stderr]    |              ----^^^^^^
Dec 18 08:44:51.672 INFO [stderr]    |              |
Dec 18 08:44:51.672 INFO [stderr]    |              help: remove this `mut`
Dec 18 08:44:51.672 INFO [stderr] 
Dec 18 08:44:51.672 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.672 INFO [stderr]  --> src/environment_parser.rs:8:29
Dec 18 08:44:51.672 INFO [stderr]   |
Dec 18 08:44:51.672 INFO [stderr] 8 | pub fn parse_to_environment(mut v: &mut Vec<Token>) -> Environment {
Dec 18 08:44:51.672 INFO [stderr]   |                             ----^
Dec 18 08:44:51.672 INFO [stderr]   |                             |
Dec 18 08:44:51.672 INFO [stderr]   |                             help: remove this `mut`
Dec 18 08:44:51.672 INFO [stderr] 
Dec 18 08:44:51.672 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.672 INFO [stderr]   --> src/environment_parser.rs:11:9
Dec 18 08:44:51.672 INFO [stderr]    |
Dec 18 08:44:51.672 INFO [stderr] 11 |     let mut hash: HashMap<String,Expression> = HashMap::new();
Dec 18 08:44:51.672 INFO [stderr]    |         ----^^^^
Dec 18 08:44:51.672 INFO [stderr]    |         |
Dec 18 08:44:51.672 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:44:51.672 INFO [stderr] 
Dec 18 08:44:51.705 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.705 INFO [stderr]  --> src/parser.rs:8:22
Dec 18 08:44:51.705 INFO [stderr]   |
Dec 18 08:44:51.705 INFO [stderr] 8 | fn parse_conditional(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
Dec 18 08:44:51.705 INFO [stderr]   |                      ----^^^^^^
Dec 18 08:44:51.705 INFO [stderr]   |                      |
Dec 18 08:44:51.705 INFO [stderr]   |                      help: remove this `mut`
Dec 18 08:44:51.705 INFO [stderr]   |
Dec 18 08:44:51.705 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 08:44:51.705 INFO [stderr] 
Dec 18 08:44:51.706 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.706 INFO [stderr]   --> src/parser.rs:45:19
Dec 18 08:44:51.706 INFO [stderr]    |
Dec 18 08:44:51.706 INFO [stderr] 45 | fn parse_compound(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
Dec 18 08:44:51.706 INFO [stderr]    |                   ----^^^^^^
Dec 18 08:44:51.706 INFO [stderr]    |                   |
Dec 18 08:44:51.706 INFO [stderr]    |                   help: remove this `mut`
Dec 18 08:44:51.706 INFO [stderr] 
Dec 18 08:44:51.708 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.708 INFO [stderr]   --> src/parser.rs:86:14
Dec 18 08:44:51.708 INFO [stderr]    |
Dec 18 08:44:51.708 INFO [stderr] 86 | pub fn parse(mut tokens: &mut Vec<Token>, environment: &Environment) -> Expression {
Dec 18 08:44:51.708 INFO [stderr]    |              ----^^^^^^
Dec 18 08:44:51.708 INFO [stderr]    |              |
Dec 18 08:44:51.708 INFO [stderr]    |              help: remove this `mut`
Dec 18 08:44:51.708 INFO [stderr] 
Dec 18 08:44:51.711 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.711 INFO [stderr]  --> src/environment_parser.rs:8:29
Dec 18 08:44:51.711 INFO [stderr]   |
Dec 18 08:44:51.711 INFO [stderr] 8 | pub fn parse_to_environment(mut v: &mut Vec<Token>) -> Environment {
Dec 18 08:44:51.711 INFO [stderr]   |                             ----^
Dec 18 08:44:51.711 INFO [stderr]   |                             |
Dec 18 08:44:51.711 INFO [stderr]   |                             help: remove this `mut`
Dec 18 08:44:51.711 INFO [stderr] 
Dec 18 08:44:51.711 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:44:51.711 INFO [stderr]   --> src/environment_parser.rs:11:9
Dec 18 08:44:51.711 INFO [stderr]    |
Dec 18 08:44:51.711 INFO [stderr] 11 |     let mut hash: HashMap<String,Expression> = HashMap::new();
Dec 18 08:44:51.711 INFO [stderr]    |         ----^^^^
Dec 18 08:44:51.711 INFO [stderr]    |         |
Dec 18 08:44:51.711 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:44:51.711 INFO [stderr] 
Dec 18 08:44:51.929 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 18 08:44:51.929 INFO [stderr]  --> tests/test_interpreter.rs:6:5
Dec 18 08:44:51.929 INFO [stderr]   |
Dec 18 08:44:51.929 INFO [stderr] 6 | use std::collections::HashMap;
Dec 18 08:44:51.929 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:44:51.929 INFO [stderr]   |
Dec 18 08:44:51.929 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:44:51.929 INFO [stderr] 
Dec 18 08:44:52.027 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 18 08:44:52.258 INFO running `"docker" "inspect" "00e0057ae7aad2200984408e500330e8f689988c48309932243a478040189a7d"`
Dec 18 08:44:52.322 INFO running `"docker" "rm" "-f" "00e0057ae7aad2200984408e500330e8f689988c48309932243a478040189a7d"`
Dec 18 08:44:52.390 INFO [stdout] 00e0057ae7aad2200984408e500330e8f689988c48309932243a478040189a7d