[INFO] updating cached repository https://github.com/lcolaholicl/kirkos
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11ab74e20735271242eab847e00a2e717c1287af
[INFO] checking lcolaholicl/kirkos against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcolaholicl%2Fkirkos" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lcolaholicl/kirkos on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lcolaholicl/kirkos
[INFO] finished tweaking git repo https://github.com/lcolaholicl/kirkos
[INFO] tweaked toml for git repo https://github.com/lcolaholicl/kirkos written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lcolaholicl/kirkos already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b878b3bfd0d694b0d04ae9c8e3b20a4962a79a48bd01e220a08b9db27af9e15
[INFO] running `"docker" "start" "-a" "4b878b3bfd0d694b0d04ae9c8e3b20a4962a79a48bd01e220a08b9db27af9e15"`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking kirkos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:91:23
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 Ok('0'...'7') => {
[INFO] [stderr]    |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:91:23
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 Ok('0'...'7') => {
[INFO] [stderr]    |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/parser.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 |                     _ => return Err(e),
[INFO] [stderr]    |                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let 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:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut node = self.parse_primary_expression()?;
[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:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut node = self.parse_postfix_expression()?;
[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:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut node = self.parse_unary_expression()?;
[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:331:29
[INFO] [stderr]     |
[INFO] [stderr] 331 |                         let mut then = self.parse_expression()?;
[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:336:29
[INFO] [stderr]     |
[INFO] [stderr] 336 |                         let mut els = self.parse_conditional_expression()?;
[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:357:29
[INFO] [stderr]     |
[INFO] [stderr] 357 |                         let mut rhs = self.parse_conditional_expression()?;
[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:362:29
[INFO] [stderr]     |
[INFO] [stderr] 362 |                         let mut rhs = self.parse_assignment_expression()?;
[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:367:29
[INFO] [stderr]     |
[INFO] [stderr] 367 |                         let mut rhs = self.parse_assignment_expression()?;
[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:372:29
[INFO] [stderr]     |
[INFO] [stderr] 372 |                         let mut rhs = self.parse_assignment_expression()?;
[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:377:29
[INFO] [stderr]     |
[INFO] [stderr] 377 |                         let mut rhs = self.parse_assignment_expression()?;
[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:382:29
[INFO] [stderr]     |
[INFO] [stderr] 382 |                         let mut rhs = self.parse_assignment_expression()?;
[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:387:29
[INFO] [stderr]     |
[INFO] [stderr] 387 |                         let mut rhs = self.parse_assignment_expression()?;
[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:392:29
[INFO] [stderr]     |
[INFO] [stderr] 392 |                         let mut rhs = self.parse_assignment_expression()?;
[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:397:29
[INFO] [stderr]     |
[INFO] [stderr] 397 |                         let mut rhs = self.parse_assignment_expression()?;
[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:402:29
[INFO] [stderr]     |
[INFO] [stderr] 402 |                         let mut rhs = self.parse_assignment_expression()?;
[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:407:29
[INFO] [stderr]     |
[INFO] [stderr] 407 |                         let mut rhs = self.parse_assignment_expression()?;
[INFO] [stderr]     |                             ----^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lexer`
[INFO] [stderr]  --> src/property/error.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Lexer(LexerError),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Parser`
[INFO] [stderr]  --> src/property/error.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Parser(ParserError),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/parser.rs:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 |                     _ => return Err(e),
[INFO] [stderr]    |                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let 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:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut node = self.parse_primary_expression()?;
[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:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut node = self.parse_postfix_expression()?;
[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:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut node = self.parse_unary_expression()?;
[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:331:29
[INFO] [stderr]     |
[INFO] [stderr] 331 |                         let mut then = self.parse_expression()?;
[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:336:29
[INFO] [stderr]     |
[INFO] [stderr] 336 |                         let mut els = self.parse_conditional_expression()?;
[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:357:29
[INFO] [stderr]     |
[INFO] [stderr] 357 |                         let mut rhs = self.parse_conditional_expression()?;
[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:362:29
[INFO] [stderr]     |
[INFO] [stderr] 362 |                         let mut rhs = self.parse_assignment_expression()?;
[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:367:29
[INFO] [stderr]     |
[INFO] [stderr] 367 |                         let mut rhs = self.parse_assignment_expression()?;
[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:372:29
[INFO] [stderr]     |
[INFO] [stderr] 372 |                         let mut rhs = self.parse_assignment_expression()?;
[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:377:29
[INFO] [stderr]     |
[INFO] [stderr] 377 |                         let mut rhs = self.parse_assignment_expression()?;
[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:382:29
[INFO] [stderr]     |
[INFO] [stderr] 382 |                         let mut rhs = self.parse_assignment_expression()?;
[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:387:29
[INFO] [stderr]     |
[INFO] [stderr] 387 |                         let mut rhs = self.parse_assignment_expression()?;
[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:392:29
[INFO] [stderr]     |
[INFO] [stderr] 392 |                         let mut rhs = self.parse_assignment_expression()?;
[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:397:29
[INFO] [stderr]     |
[INFO] [stderr] 397 |                         let mut rhs = self.parse_assignment_expression()?;
[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:402:29
[INFO] [stderr]     |
[INFO] [stderr] 402 |                         let mut rhs = self.parse_assignment_expression()?;
[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:407:29
[INFO] [stderr]     |
[INFO] [stderr] 407 |                         let mut rhs = self.parse_assignment_expression()?;
[INFO] [stderr]     |                             ----^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lexer`
[INFO] [stderr]  --> src/property/error.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Lexer(LexerError),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Parser`
[INFO] [stderr]  --> src/property/error.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Parser(ParserError),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.60s
[INFO] running `"docker" "inspect" "4b878b3bfd0d694b0d04ae9c8e3b20a4962a79a48bd01e220a08b9db27af9e15"`
[INFO] running `"docker" "rm" "-f" "4b878b3bfd0d694b0d04ae9c8e3b20a4962a79a48bd01e220a08b9db27af9e15"`
[INFO] [stdout] 4b878b3bfd0d694b0d04ae9c8e3b20a4962a79a48bd01e220a08b9db27af9e15