Oct 27 09:56:54.234 INFO checking RussellSprouts/6502-language-rust against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 09:56:54.236 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-4/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 09:56:54.603 INFO blam! 5105c2e9695eeb4c76492cbe7a7131cfe499022d76397b1e1627c24cde247ce1
Oct 27 09:56:54.619 INFO running `"docker" "start" "-a" "5105c2e9695eeb4c76492cbe7a7131cfe499022d76397b1e1627c24cde247ce1"`
Oct 27 09:56:55.855 INFO kablam! usermod: no changes
Oct 27 09:56:55.907 INFO kablam!    Compiling libc v0.2.39
Oct 27 09:56:55.907 INFO kablam!    Compiling regex-syntax v0.4.2
Oct 27 09:56:55.907 INFO kablam!    Compiling im v10.0.0
Oct 27 09:56:58.491 INFO kablam!    Compiling memchr v2.0.1
Oct 27 09:57:01.410 INFO kablam!    Compiling aho-corasick v0.6.4
Oct 27 09:57:07.215 INFO kablam!     Checking regex v0.2.6
Oct 27 09:57:21.183 INFO kablam!    Compiling compiler v0.1.0 (/source)
Oct 27 09:57:24.731 INFO kablam! warning: unused `#[macro_use]` import
Oct 27 09:57:24.731 INFO kablam!  --> main.rs:6:1
Oct 27 09:57:24.731 INFO kablam!   |
Oct 27 09:57:24.731 INFO kablam! 6 | #[macro_use]
Oct 27 09:57:24.731 INFO kablam!   | ^^^^^^^^^^^^
Oct 27 09:57:24.731 INFO kablam!   |
Oct 27 09:57:24.731 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 09:57:24.731 INFO kablam! 
Oct 27 09:57:24.859 INFO kablam! warning: unused `#[macro_use]` import
Oct 27 09:57:24.859 INFO kablam!  --> main.rs:6:1
Oct 27 09:57:24.859 INFO kablam!   |
Oct 27 09:57:24.859 INFO kablam! 6 | #[macro_use]
Oct 27 09:57:24.859 INFO kablam!   | ^^^^^^^^^^^^
Oct 27 09:57:24.859 INFO kablam!   |
Oct 27 09:57:24.859 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 09:57:24.859 INFO kablam! 
Oct 27 09:57:25.695 INFO kablam! warning: variable does not need to be mutable
Oct 27 09:57:25.695 INFO kablam!    --> main.rs:327:9
Oct 27 09:57:25.695 INFO kablam!     |
Oct 27 09:57:25.695 INFO kablam! 327 |     let mut parsed: &Expression2;
Oct 27 09:57:25.695 INFO kablam!     |         ----^^^^^^
Oct 27 09:57:25.695 INFO kablam!     |         |
Oct 27 09:57:25.695 INFO kablam!     |         help: remove this `mut`
Oct 27 09:57:25.695 INFO kablam!     |
Oct 27 09:57:25.695 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 09:57:25.695 INFO kablam! 
Oct 27 09:57:25.695 INFO kablam! warning: variable does not need to be mutable
Oct 27 09:57:25.695 INFO kablam!    --> main.rs:327:9
Oct 27 09:57:25.695 INFO kablam!     |
Oct 27 09:57:25.695 INFO kablam! 327 |     let mut parsed: &Expression2;
Oct 27 09:57:25.695 INFO kablam!     |         ----^^^^^^
Oct 27 09:57:25.695 INFO kablam!     |         |
Oct 27 09:57:25.695 INFO kablam!     |         help: remove this `mut`
Oct 27 09:57:25.695 INFO kablam!     |
Oct 27 09:57:25.695 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 09:57:25.695 INFO kablam! 
Oct 27 09:57:25.947 INFO kablam! warning: method is never used: `size`
Oct 27 09:57:25.947 INFO kablam!    --> main.rs:264:5
Oct 27 09:57:25.947 INFO kablam!     |
Oct 27 09:57:25.947 INFO kablam! 264 |     fn size(&self) -> u64 {
Oct 27 09:57:25.947 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 27 09:57:25.947 INFO kablam!     |
Oct 27 09:57:25.947 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 27 09:57:25.947 INFO kablam! 
Oct 27 09:57:25.947 INFO kablam! warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 27 09:57:25.947 INFO kablam!  --> main.rs:2:12
Oct 27 09:57:25.947 INFO kablam!   |
Oct 27 09:57:25.947 INFO kablam! 2 | #![feature(underscore_lifetimes)]
Oct 27 09:57:25.947 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^
Oct 27 09:57:25.947 INFO kablam!   |
Oct 27 09:57:25.947 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 27 09:57:25.947 INFO kablam! 
Oct 27 09:57:26.002 INFO kablam! warning: method is never used: `size`
Oct 27 09:57:26.003 INFO kablam!    --> main.rs:264:5
Oct 27 09:57:26.003 INFO kablam!     |
Oct 27 09:57:26.003 INFO kablam! 264 |     fn size(&self) -> u64 {
Oct 27 09:57:26.003 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Oct 27 09:57:26.004 INFO kablam!     |
Oct 27 09:57:26.004 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 27 09:57:26.004 INFO kablam! 
Oct 27 09:57:26.004 INFO kablam! warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 27 09:57:26.005 INFO kablam!  --> main.rs:2:12
Oct 27 09:57:26.005 INFO kablam!   |
Oct 27 09:57:26.005 INFO kablam! 2 | #![feature(underscore_lifetimes)]
Oct 27 09:57:26.006 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^
Oct 27 09:57:26.006 INFO kablam!   |
Oct 27 09:57:26.006 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 27 09:57:26.006 INFO kablam! 
Oct 27 09:57:26.059 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 30.20s
Oct 27 09:57:26.067 INFO kablam! su: No module specific data is present
Oct 27 09:57:27.079 INFO running `"docker" "rm" "-f" "5105c2e9695eeb4c76492cbe7a7131cfe499022d76397b1e1627c24cde247ce1"`
Oct 27 09:57:27.415 INFO blam! 5105c2e9695eeb4c76492cbe7a7131cfe499022d76397b1e1627c24cde247ce1