[INFO] cloning repository https://github.com/mrsekut/rust_LL_parser
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrsekut/rust_LL_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsekut%2Frust_LL_parser"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsekut%2Frust_LL_parser'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 625f969f35c4039f83dd99441086536c5e45d164
[INFO] checking mrsekut/rust_LL_parser against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsekut%2Frust_LL_parser" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrsekut/rust_LL_parser on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mrsekut/rust_LL_parser
[INFO] finished tweaking git repo https://github.com/mrsekut/rust_LL_parser
[INFO] tweaked toml for git repo https://github.com/mrsekut/rust_LL_parser written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mrsekut/rust_LL_parser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] b36f6636f25d0545b59c3d17caf110ef49d20c78dc82aace3a731797b5071df3
[INFO] running `"docker" "start" "-a" "b36f6636f25d0545b59c3d17caf110ef49d20c78dc82aace3a731797b5071df3"`
[INFO] [stderr]     Checking rust_L1_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::error::InterpreterError`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::error::InterpreterError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::error::InterpreterErrorKind`
[INFO] [stderr]  --> src/compiler.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::error::InterpreterErrorKind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:105:25
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let (e, loc): (&StdError, Loc) = match self {
[INFO] [stderr]     |                         ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |             b'0'...b'9' => lex_a_token!(lex_number(input, pos)),
[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: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::error::InterpreterError`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::error::InterpreterError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::error::InterpreterErrorKind`
[INFO] [stderr]  --> src/compiler.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::error::InterpreterErrorKind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:105:25
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let (e, loc): (&StdError, Loc) = match self {
[INFO] [stderr]     |                         ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |             b'0'...b'9' => lex_a_token!(lex_number(input, pos)),
[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: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num`
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn num(n: u64, loc: Loc) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedToken`
[INFO] [stderr]   --> src/parser.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     UnexpectedToken(Token),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotOperator`
[INFO] [stderr]   --> src/parser.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     NotOperator(Token),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rust_L1_parser` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_l1_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num`
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn num(n: u64, loc: Loc) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedToken`
[INFO] [stderr]   --> src/parser.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     UnexpectedToken(Token),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotOperator`
[INFO] [stderr]   --> src/parser.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     NotOperator(Token),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `rust_L1_parser` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_l1_parser`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "b36f6636f25d0545b59c3d17caf110ef49d20c78dc82aace3a731797b5071df3"`
[INFO] running `"docker" "rm" "-f" "b36f6636f25d0545b59c3d17caf110ef49d20c78dc82aace3a731797b5071df3"`
[INFO] [stdout] b36f6636f25d0545b59c3d17caf110ef49d20c78dc82aace3a731797b5071df3