Dec 19 20:41:30.038 INFO checking alexeyden/ecmascript_toy against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:41:30.038 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/alexeyden/ecmascript_toy:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:41:30.506 INFO [stdout] a2cf37806f7bd808fa69be0d50c495ba109f3a98737412b09731c245cc6ee73d
Dec 19 20:41:30.508 INFO running `"docker" "start" "-a" "a2cf37806f7bd808fa69be0d50c495ba109f3a98737412b09731c245cc6ee73d"`
Dec 19 20:41:32.672 INFO [stderr]     Checking ecmascript_toy v0.1.0 (/opt/crater/workdir)
Dec 19 20:41:33.936 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:33.937 INFO [stderr]    --> src/parser.rs:287:34
Dec 19 20:41:33.937 INFO [stderr]     |
Dec 19 20:41:33.937 INFO [stderr] 287 |   fn parse_expression(&mut self, mut parent: &mut Node) {
Dec 19 20:41:33.937 INFO [stderr]     |                                  ----^^^^^^
Dec 19 20:41:33.937 INFO [stderr]     |                                  |
Dec 19 20:41:33.937 INFO [stderr]     |                                  help: remove this `mut`
Dec 19 20:41:33.937 INFO [stderr]     |
Dec 19 20:41:33.937 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:41:33.937 INFO [stderr] 
Dec 19 20:41:33.937 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:33.937 INFO [stderr]    --> src/parser.rs:312:37
Dec 19 20:41:33.937 INFO [stderr]     |
Dec 19 20:41:33.937 INFO [stderr] 312 |   fn parse_condition_cmp(&mut self, mut parent: &mut Node) {
Dec 19 20:41:33.937 INFO [stderr]     |                                     ----^^^^^^
Dec 19 20:41:33.937 INFO [stderr]     |                                     |
Dec 19 20:41:33.937 INFO [stderr]     |                                     help: remove this `mut`
Dec 19 20:41:33.937 INFO [stderr] 
Dec 19 20:41:33.937 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:33.937 INFO [stderr]    --> src/parser.rs:341:37
Dec 19 20:41:33.937 INFO [stderr]     |
Dec 19 20:41:33.937 INFO [stderr] 341 |   fn parse_condition_and(&mut self, mut parent: &mut Node) {
Dec 19 20:41:33.937 INFO [stderr]     |                                     ----^^^^^^
Dec 19 20:41:33.937 INFO [stderr]     |                                     |
Dec 19 20:41:33.937 INFO [stderr]     |                                     help: remove this `mut`
Dec 19 20:41:33.937 INFO [stderr] 
Dec 19 20:41:33.937 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:33.937 INFO [stderr]    --> src/parser.rs:365:33
Dec 19 20:41:33.937 INFO [stderr]     |
Dec 19 20:41:33.937 INFO [stderr] 365 |   fn parse_condition(&mut self, mut parent: &mut Node) {
Dec 19 20:41:33.937 INFO [stderr]     |                                 ----^^^^^^
Dec 19 20:41:33.937 INFO [stderr]     |                                 |
Dec 19 20:41:33.937 INFO [stderr]     |                                 help: remove this `mut`
Dec 19 20:41:33.937 INFO [stderr] 
Dec 19 20:41:33.992 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:33.992 INFO [stderr]    --> src/frame_stack.rs:122:9
Dec 19 20:41:33.992 INFO [stderr]     |
Dec 19 20:41:33.992 INFO [stderr] 122 |     let mut offsets = &mut self.frames[self.cur_frame].var_offsets;
Dec 19 20:41:33.992 INFO [stderr]     |         ----^^^^^^^
Dec 19 20:41:33.992 INFO [stderr]     |         |
Dec 19 20:41:33.992 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:41:33.996 INFO [stderr] 
Dec 19 20:41:34.232 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:34.232 INFO [stderr]    --> src/parser.rs:287:34
Dec 19 20:41:34.232 INFO [stderr]     |
Dec 19 20:41:34.232 INFO [stderr] 287 |   fn parse_expression(&mut self, mut parent: &mut Node) {
Dec 19 20:41:34.232 INFO [stderr]     |                                  ----^^^^^^
Dec 19 20:41:34.232 INFO [stderr]     |                                  |
Dec 19 20:41:34.232 INFO [stderr]     |                                  help: remove this `mut`
Dec 19 20:41:34.232 INFO [stderr]     |
Dec 19 20:41:34.232 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:41:34.233 INFO [stderr] 
Dec 19 20:41:34.233 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:34.233 INFO [stderr]    --> src/parser.rs:312:37
Dec 19 20:41:34.233 INFO [stderr]     |
Dec 19 20:41:34.233 INFO [stderr] 312 |   fn parse_condition_cmp(&mut self, mut parent: &mut Node) {
Dec 19 20:41:34.233 INFO [stderr]     |                                     ----^^^^^^
Dec 19 20:41:34.233 INFO [stderr]     |                                     |
Dec 19 20:41:34.233 INFO [stderr]     |                                     help: remove this `mut`
Dec 19 20:41:34.233 INFO [stderr] 
Dec 19 20:41:34.233 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:34.233 INFO [stderr]    --> src/parser.rs:341:37
Dec 19 20:41:34.233 INFO [stderr]     |
Dec 19 20:41:34.233 INFO [stderr] 341 |   fn parse_condition_and(&mut self, mut parent: &mut Node) {
Dec 19 20:41:34.233 INFO [stderr]     |                                     ----^^^^^^
Dec 19 20:41:34.233 INFO [stderr]     |                                     |
Dec 19 20:41:34.233 INFO [stderr]     |                                     help: remove this `mut`
Dec 19 20:41:34.233 INFO [stderr] 
Dec 19 20:41:34.233 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:34.233 INFO [stderr]    --> src/parser.rs:365:33
Dec 19 20:41:34.233 INFO [stderr]     |
Dec 19 20:41:34.233 INFO [stderr] 365 |   fn parse_condition(&mut self, mut parent: &mut Node) {
Dec 19 20:41:34.233 INFO [stderr]     |                                 ----^^^^^^
Dec 19 20:41:34.233 INFO [stderr]     |                                 |
Dec 19 20:41:34.233 INFO [stderr]     |                                 help: remove this `mut`
Dec 19 20:41:34.233 INFO [stderr] 
Dec 19 20:41:34.282 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:41:34.282 INFO [stderr]    --> src/frame_stack.rs:122:9
Dec 19 20:41:34.282 INFO [stderr]     |
Dec 19 20:41:34.282 INFO [stderr] 122 |     let mut offsets = &mut self.frames[self.cur_frame].var_offsets;
Dec 19 20:41:34.282 INFO [stderr]     |         ----^^^^^^^
Dec 19 20:41:34.282 INFO [stderr]     |         |
Dec 19 20:41:34.282 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:41:34.282 INFO [stderr] 
Dec 19 20:41:34.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
Dec 19 20:41:35.356 INFO running `"docker" "inspect" "a2cf37806f7bd808fa69be0d50c495ba109f3a98737412b09731c245cc6ee73d"`
Dec 19 20:41:35.674 INFO running `"docker" "rm" "-f" "a2cf37806f7bd808fa69be0d50c495ba109f3a98737412b09731c245cc6ee73d"`
Dec 19 20:41:35.967 INFO [stdout] a2cf37806f7bd808fa69be0d50c495ba109f3a98737412b09731c245cc6ee73d