[INFO] updating cached repository alexeyden/ecmascript_toy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexeyden/ecmascript_toy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexeyden/ecmascript_toy" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/alexeyden/ecmascript_toy"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/alexeyden/ecmascript_toy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexeyden/ecmascript_toy" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/alexeyden/ecmascript_toy"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/alexeyden/ecmascript_toy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0297435df3d80bbb8f73289add0fb87038cd6330
[INFO] sha for GitHub repo alexeyden/ecmascript_toy: 0297435df3d80bbb8f73289add0fb87038cd6330
[INFO] validating manifest of alexeyden/ecmascript_toy on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alexeyden/ecmascript_toy on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alexeyden/ecmascript_toy
[INFO] finished frobbing alexeyden/ecmascript_toy
[INFO] frobbed toml for alexeyden/ecmascript_toy written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/alexeyden/ecmascript_toy/Cargo.toml
[INFO] started frobbing alexeyden/ecmascript_toy
[INFO] finished frobbing alexeyden/ecmascript_toy
[INFO] frobbed toml for alexeyden/ecmascript_toy written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/alexeyden/ecmascript_toy/Cargo.toml
[INFO] crate alexeyden/ecmascript_toy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking alexeyden/ecmascript_toy against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a746b462ed6130e48d94532b757aeac9cede7d23b501199dacb0a20668df8c36
[INFO] running `"docker" "start" "-a" "a746b462ed6130e48d94532b757aeac9cede7d23b501199dacb0a20668df8c36"`
[INFO] [stderr]     Checking ecmascript_toy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syntax_tree.rs:84:41
[INFO] [stderr]    |
[INFO] [stderr] 84 |   pub fn visit(&mut self, visitor: &mut Visitor) {
[INFO] [stderr]    |                                         ^^^^^^^ help: use `dyn`: `dyn Visitor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut write : Box<std::io::Write> = if let Some(path) = matches.opt_str("o") {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syntax_tree.rs:84:41
[INFO] [stderr]    |
[INFO] [stderr] 84 |   pub fn visit(&mut self, visitor: &mut Visitor) {
[INFO] [stderr]    |                                         ^^^^^^^ help: use `dyn`: `dyn Visitor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut write : Box<std::io::Write> = if let Some(path) = matches.opt_str("o") {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:287:34
[INFO] [stderr]     |
[INFO] [stderr] 287 |   fn parse_expression(&mut self, mut parent: &mut Node) {
[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/parser.rs:312:37
[INFO] [stderr]     |
[INFO] [stderr] 312 |   fn parse_condition_cmp(&mut self, mut parent: &mut Node) {
[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/parser.rs:341:37
[INFO] [stderr]     |
[INFO] [stderr] 341 |   fn parse_condition_and(&mut self, mut parent: &mut Node) {
[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/parser.rs:365:33
[INFO] [stderr]     |
[INFO] [stderr] 365 |   fn parse_condition(&mut self, mut parent: &mut Node) {
[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/frame_stack.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let mut offsets = &mut self.frames[self.cur_frame].var_offsets;
[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/parser.rs:287:34
[INFO] [stderr]     |
[INFO] [stderr] 287 |   fn parse_expression(&mut self, mut parent: &mut Node) {
[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/parser.rs:312:37
[INFO] [stderr]     |
[INFO] [stderr] 312 |   fn parse_condition_cmp(&mut self, mut parent: &mut Node) {
[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/parser.rs:341:37
[INFO] [stderr]     |
[INFO] [stderr] 341 |   fn parse_condition_and(&mut self, mut parent: &mut Node) {
[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/parser.rs:365:33
[INFO] [stderr]     |
[INFO] [stderr] 365 |   fn parse_condition(&mut self, mut parent: &mut Node) {
[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/frame_stack.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let mut offsets = &mut self.frames[self.cur_frame].var_offsets;
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "a746b462ed6130e48d94532b757aeac9cede7d23b501199dacb0a20668df8c36"`
[INFO] running `"docker" "rm" "-f" "a746b462ed6130e48d94532b757aeac9cede7d23b501199dacb0a20668df8c36"`
[INFO] [stdout] a746b462ed6130e48d94532b757aeac9cede7d23b501199dacb0a20668df8c36