[INFO] updating cached repository KevinCybura/K_lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KevinCybura/K_lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KevinCybura/K_lang" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/KevinCybura/K_lang"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/KevinCybura/K_lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KevinCybura/K_lang" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/KevinCybura/K_lang"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/KevinCybura/K_lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52d545ba82b2f3382d115fd356aa115924edad38
[INFO] sha for GitHub repo KevinCybura/K_lang: 52d545ba82b2f3382d115fd356aa115924edad38
[INFO] validating manifest of KevinCybura/K_lang on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of KevinCybura/K_lang on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing KevinCybura/K_lang
[INFO] finished frobbing KevinCybura/K_lang
[INFO] frobbed toml for KevinCybura/K_lang written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/KevinCybura/K_lang/Cargo.toml
[INFO] started frobbing KevinCybura/K_lang
[INFO] finished frobbing KevinCybura/K_lang
[INFO] frobbed toml for KevinCybura/K_lang written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/KevinCybura/K_lang/Cargo.toml
[INFO] crate KevinCybura/K_lang already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking KevinCybura/K_lang against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/KevinCybura/K_lang:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0c559be0736d51249bd4c176bbeb1e47f74f5c9707d78db2c979f343a7a90c71
[INFO] running `"docker" "start" "-a" "0c559be0736d51249bd4c176bbeb1e47f74f5c9707d78db2c979f343a7a90c71"`
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking K_Lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/parser/mod.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         if let Token::Ident(name) = self.LA(1) {
[INFO] [stderr]    |                                     ---- immutable borrow occurs here
[INFO] [stderr] 45 |             self.r#match(&Token::Ident(name.to_owned()));
[INFO] [stderr]    |             ^^^^                       ---- immutable borrow later used here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]  --> src/parser/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Parser<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(input: &'a str, k: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `consume`
[INFO] [stderr]   --> src/parser/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn consume(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `LT`
[INFO] [stderr]   --> src/parser/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn LT(&self, i: usize) -> &Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `LA`
[INFO] [stderr]   --> src/parser/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn LA(&self, i: usize) -> &Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match`
[INFO] [stderr]   --> src/parser/mod.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn r#match(&mut self, tok: &Token) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `prototype`
[INFO] [stderr]   --> src/parser/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn prototype(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/parser/mod.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         if let Token::Ident(name) = self.LA(1) {
[INFO] [stderr]    |                                     ---- immutable borrow occurs here
[INFO] [stderr] 45 |             self.r#match(&Token::Ident(name.to_owned()));
[INFO] [stderr]    |             ^^^^                       ---- immutable borrow later used here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]  --> src/parser/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Parser<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(input: &'a str, k: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `consume`
[INFO] [stderr]   --> src/parser/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn consume(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `LT`
[INFO] [stderr]   --> src/parser/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn LT(&self, i: usize) -> &Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `LA`
[INFO] [stderr]   --> src/parser/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn LA(&self, i: usize) -> &Token {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match`
[INFO] [stderr]   --> src/parser/mod.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn r#match(&mut self, tok: &Token) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `prototype`
[INFO] [stderr]   --> src/parser/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn prototype(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.96s
[INFO] running `"docker" "inspect" "0c559be0736d51249bd4c176bbeb1e47f74f5c9707d78db2c979f343a7a90c71"`
[INFO] running `"docker" "rm" "-f" "0c559be0736d51249bd4c176bbeb1e47f74f5c9707d78db2c979f343a7a90c71"`
[INFO] [stdout] 0c559be0736d51249bd4c176bbeb1e47f74f5c9707d78db2c979f343a7a90c71