Nov 01 10:19:49.312 INFO checking RussellSprouts/6502-language-rust against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 10:19:49.314 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 10:19:49.948 INFO blam! 0891213fee24117a5abaf1ce9dc994483dcb4f82d105e86685327ebecb7e587c
Nov 01 10:19:49.951 INFO running `"docker" "start" "-a" "0891213fee24117a5abaf1ce9dc994483dcb4f82d105e86685327ebecb7e587c"`
Nov 01 10:19:50.907 INFO kablam! usermod: no changes
Nov 01 10:19:51.028 INFO kablam!    Compiling libc v0.2.39
Nov 01 10:19:51.029 INFO kablam!     Checking typed-arena v1.3.0
Nov 01 10:19:51.029 INFO kablam!    Compiling im v10.0.0
Nov 01 10:19:51.040 INFO kablam!     Checking regex v0.2.6
Nov 01 10:19:55.713 INFO kablam!    Compiling memchr v2.0.1
Nov 01 10:19:56.840 INFO kablam!    Compiling aho-corasick v0.6.4
Nov 01 10:20:09.804 INFO kablam!    Compiling compiler v0.1.0 (/source)
Nov 01 10:20:13.268 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 10:20:13.269 INFO kablam!  --> main.rs:6:1
Nov 01 10:20:13.269 INFO kablam!   |
Nov 01 10:20:13.269 INFO kablam! 6 | #[macro_use]
Nov 01 10:20:13.269 INFO kablam!   | ^^^^^^^^^^^^
Nov 01 10:20:13.269 INFO kablam!   |
Nov 01 10:20:13.269 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 10:20:13.269 INFO kablam! 
Nov 01 10:20:13.397 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 10:20:13.397 INFO kablam!  --> main.rs:6:1
Nov 01 10:20:13.397 INFO kablam!   |
Nov 01 10:20:13.398 INFO kablam! 6 | #[macro_use]
Nov 01 10:20:13.398 INFO kablam!   | ^^^^^^^^^^^^
Nov 01 10:20:13.399 INFO kablam!   |
Nov 01 10:20:13.399 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 10:20:13.399 INFO kablam! 
Nov 01 10:20:14.311 INFO kablam! warning: variable does not need to be mutable
Nov 01 10:20:14.311 INFO kablam!    --> main.rs:327:9
Nov 01 10:20:14.312 INFO kablam!     |
Nov 01 10:20:14.312 INFO kablam! 327 |     let mut parsed: &Expression2;
Nov 01 10:20:14.313 INFO kablam!     |         ----^^^^^^
Nov 01 10:20:14.313 INFO kablam!     |         |
Nov 01 10:20:14.314 INFO kablam!     |         help: remove this `mut`
Nov 01 10:20:14.315 INFO kablam!     |
Nov 01 10:20:14.315 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 10:20:14.316 INFO kablam! 
Nov 01 10:20:14.532 INFO kablam! warning: variable does not need to be mutable
Nov 01 10:20:14.533 INFO kablam!    --> main.rs:327:9
Nov 01 10:20:14.534 INFO kablam!     |
Nov 01 10:20:14.534 INFO kablam! 327 |     let mut parsed: &Expression2;
Nov 01 10:20:14.535 INFO kablam!     |         ----^^^^^^
Nov 01 10:20:14.535 INFO kablam!     |         |
Nov 01 10:20:14.535 INFO kablam!     |         help: remove this `mut`
Nov 01 10:20:14.536 INFO kablam!     |
Nov 01 10:20:14.537 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 10:20:14.537 INFO kablam! 
Nov 01 10:20:14.696 INFO kablam! warning: method is never used: `size`
Nov 01 10:20:14.697 INFO kablam!    --> main.rs:264:5
Nov 01 10:20:14.697 INFO kablam!     |
Nov 01 10:20:14.698 INFO kablam! 264 |     fn size(&self) -> u64 {
Nov 01 10:20:14.698 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:20:14.699 INFO kablam!     |
Nov 01 10:20:14.699 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 01 10:20:14.700 INFO kablam! 
Nov 01 10:20:14.700 INFO kablam! warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 01 10:20:14.701 INFO kablam!  --> main.rs:2:12
Nov 01 10:20:14.701 INFO kablam!   |
Nov 01 10:20:14.702 INFO kablam! 2 | #![feature(underscore_lifetimes)]
Nov 01 10:20:14.702 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^
Nov 01 10:20:14.702 INFO kablam!   |
Nov 01 10:20:14.703 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 10:20:14.703 INFO kablam! 
Nov 01 10:20:14.875 INFO kablam! warning: method is never used: `size`
Nov 01 10:20:14.875 INFO kablam!    --> main.rs:264:5
Nov 01 10:20:14.875 INFO kablam!     |
Nov 01 10:20:14.875 INFO kablam! 264 |     fn size(&self) -> u64 {
Nov 01 10:20:14.875 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 01 10:20:14.875 INFO kablam!     |
Nov 01 10:20:14.876 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 01 10:20:14.876 INFO kablam! 
Nov 01 10:20:14.877 INFO kablam! warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 01 10:20:14.877 INFO kablam!  --> main.rs:2:12
Nov 01 10:20:14.877 INFO kablam!   |
Nov 01 10:20:14.877 INFO kablam! 2 | #![feature(underscore_lifetimes)]
Nov 01 10:20:14.877 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^
Nov 01 10:20:14.877 INFO kablam!   |
Nov 01 10:20:14.877 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 10:20:14.877 INFO kablam! 
Nov 01 10:20:14.945 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.02s
Nov 01 10:20:14.957 INFO kablam! su: No module specific data is present
Nov 01 10:20:16.320 INFO running `"docker" "rm" "-f" "0891213fee24117a5abaf1ce9dc994483dcb4f82d105e86685327ebecb7e587c"`
Nov 01 10:20:16.707 INFO blam! 0891213fee24117a5abaf1ce9dc994483dcb4f82d105e86685327ebecb7e587c