Oct 13 02:48:41.101 INFO checking RussellSprouts/6502-language-rust against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 02:48:41.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 02:48:41.536 INFO blam! 40f7d37b6e1a440db9e69da14461c0de950a4819a64a4002fc79287b8852ad5d
Oct 13 02:48:41.544 INFO running `"docker" "start" "-a" "40f7d37b6e1a440db9e69da14461c0de950a4819a64a4002fc79287b8852ad5d"`
Oct 13 02:48:42.453 INFO kablam! usermod: no changes
Oct 13 02:48:42.548 INFO kablam!    Compiling libc v0.2.39
Oct 13 02:48:42.556 INFO kablam!     Checking typed-arena v1.3.0
Oct 13 02:48:42.556 INFO kablam!    Compiling im v10.0.0
Oct 13 02:48:42.556 INFO kablam!     Checking regex v0.2.6
Oct 13 02:48:47.044 INFO kablam!    Compiling memchr v2.0.1
Oct 13 02:48:48.769 INFO kablam!    Compiling aho-corasick v0.6.4
Oct 13 02:48:59.736 INFO kablam!    Compiling compiler v0.1.0 (/source)
Oct 13 02:49:03.512 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 02:49:03.512 INFO kablam!  --> main.rs:6:1
Oct 13 02:49:03.512 INFO kablam!   |
Oct 13 02:49:03.512 INFO kablam! 6 | #[macro_use]
Oct 13 02:49:03.512 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 02:49:03.514 INFO kablam!   |
Oct 13 02:49:03.514 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 02:49:03.514 INFO kablam! 
Oct 13 02:49:03.528 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 02:49:03.529 INFO kablam!  --> main.rs:6:1
Oct 13 02:49:03.530 INFO kablam!   |
Oct 13 02:49:03.530 INFO kablam! 6 | #[macro_use]
Oct 13 02:49:03.531 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 02:49:03.531 INFO kablam!   |
Oct 13 02:49:03.532 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 02:49:03.532 INFO kablam! 
Oct 13 02:49:04.436 INFO kablam! warning: variable does not need to be mutable
Oct 13 02:49:04.436 INFO kablam!    --> main.rs:327:9
Oct 13 02:49:04.436 INFO kablam!     |
Oct 13 02:49:04.436 INFO kablam! 327 |     let mut parsed: &Expression2;
Oct 13 02:49:04.436 INFO kablam!     |         ----^^^^^^
Oct 13 02:49:04.436 INFO kablam!     |         |
Oct 13 02:49:04.436 INFO kablam!     |         help: remove this `mut`
Oct 13 02:49:04.436 INFO kablam!     |
Oct 13 02:49:04.436 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 02:49:04.436 INFO kablam! 
Oct 13 02:49:04.744 INFO kablam! warning: method is never used: `size`
Oct 13 02:49:04.744 INFO kablam!    --> main.rs:264:5
Oct 13 02:49:04.744 INFO kablam!     |
Oct 13 02:49:04.744 INFO kablam! 264 |     fn size(&self) -> u64 {
Oct 13 02:49:04.744 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:49:04.744 INFO kablam!     |
Oct 13 02:49:04.744 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 02:49:04.744 INFO kablam! 
Oct 13 02:49:04.744 INFO kablam! warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 13 02:49:04.744 INFO kablam!  --> main.rs:2:12
Oct 13 02:49:04.744 INFO kablam!   |
Oct 13 02:49:04.744 INFO kablam! 2 | #![feature(underscore_lifetimes)]
Oct 13 02:49:04.744 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^
Oct 13 02:49:04.744 INFO kablam!   |
Oct 13 02:49:04.744 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 02:49:04.744 INFO kablam! 
Oct 13 02:49:04.833 INFO kablam! warning: variable does not need to be mutable
Oct 13 02:49:04.833 INFO kablam!    --> main.rs:327:9
Oct 13 02:49:04.833 INFO kablam!     |
Oct 13 02:49:04.833 INFO kablam! 327 |     let mut parsed: &Expression2;
Oct 13 02:49:04.833 INFO kablam!     |         ----^^^^^^
Oct 13 02:49:04.833 INFO kablam!     |         |
Oct 13 02:49:04.833 INFO kablam!     |         help: remove this `mut`
Oct 13 02:49:04.833 INFO kablam!     |
Oct 13 02:49:04.833 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 02:49:04.833 INFO kablam! 
Oct 13 02:49:05.036 INFO kablam! warning: method is never used: `size`
Oct 13 02:49:05.036 INFO kablam!    --> main.rs:264:5
Oct 13 02:49:05.036 INFO kablam!     |
Oct 13 02:49:05.036 INFO kablam! 264 |     fn size(&self) -> u64 {
Oct 13 02:49:05.036 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 13 02:49:05.036 INFO kablam!     |
Oct 13 02:49:05.036 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 02:49:05.036 INFO kablam! 
Oct 13 02:49:05.036 INFO kablam! warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 13 02:49:05.036 INFO kablam!  --> main.rs:2:12
Oct 13 02:49:05.036 INFO kablam!   |
Oct 13 02:49:05.036 INFO kablam! 2 | #![feature(underscore_lifetimes)]
Oct 13 02:49:05.036 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^
Oct 13 02:49:05.036 INFO kablam!   |
Oct 13 02:49:05.036 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 02:49:05.036 INFO kablam! 
Oct 13 02:49:05.093 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 22.61s
Oct 13 02:49:05.194 INFO kablam! su: No module specific data is present
Oct 13 02:49:06.246 INFO running `"docker" "rm" "-f" "40f7d37b6e1a440db9e69da14461c0de950a4819a64a4002fc79287b8852ad5d"`
Oct 13 02:49:06.578 INFO blam! 40f7d37b6e1a440db9e69da14461c0de950a4819a64a4002fc79287b8852ad5d