Nov 28 11:17:51.047 INFO checking RussellSprouts/6502-language-rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:17:51.047 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 11:17:51.268 INFO [stdout] b6f065aa4c4bd9a7093076e570c736578b3605e9dae3d10182eded3dd5120709
Nov 28 11:17:51.270 INFO running `"docker" "start" "-a" "b6f065aa4c4bd9a7093076e570c736578b3605e9dae3d10182eded3dd5120709"`
Nov 28 11:17:52.012 INFO [stderr] usermod: no changes
Nov 28 11:17:52.114 INFO [stderr]    Compiling libc v0.2.39
Nov 28 11:17:52.164 INFO [stderr]    Compiling im v10.0.0
Nov 28 11:17:54.612 INFO [stderr]    Compiling memchr v2.0.1
Nov 28 11:17:55.492 INFO [stderr]    Compiling aho-corasick v0.6.4
Nov 28 11:17:57.508 INFO [stderr]     Checking regex v0.2.6
Nov 28 11:18:11.423 INFO [stderr]    Compiling compiler v0.1.0 (/source)
Nov 28 11:18:14.732 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 11:18:14.732 INFO [stderr]  --> main.rs:6:1
Nov 28 11:18:14.732 INFO [stderr]   |
Nov 28 11:18:14.732 INFO [stderr] 6 | #[macro_use]
Nov 28 11:18:14.732 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 11:18:14.732 INFO [stderr]   |
Nov 28 11:18:14.740 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:18:14.740 INFO [stderr] 
Nov 28 11:18:14.952 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 11:18:14.953 INFO [stderr]  --> main.rs:6:1
Nov 28 11:18:14.953 INFO [stderr]   |
Nov 28 11:18:14.953 INFO [stderr] 6 | #[macro_use]
Nov 28 11:18:14.953 INFO [stderr]   | ^^^^^^^^^^^^
Nov 28 11:18:14.953 INFO [stderr]   |
Nov 28 11:18:14.953 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:18:14.953 INFO [stderr] 
Nov 28 11:18:15.908 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:18:15.908 INFO [stderr]    --> main.rs:327:9
Nov 28 11:18:15.908 INFO [stderr]     |
Nov 28 11:18:15.908 INFO [stderr] 327 |     let mut parsed: &Expression2;
Nov 28 11:18:15.908 INFO [stderr]     |         ----^^^^^^
Nov 28 11:18:15.908 INFO [stderr]     |         |
Nov 28 11:18:15.908 INFO [stderr]     |         help: remove this `mut`
Nov 28 11:18:15.908 INFO [stderr]     |
Nov 28 11:18:15.908 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 11:18:15.908 INFO [stderr] 
Nov 28 11:18:16.116 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:18:16.116 INFO [stderr]    --> main.rs:327:9
Nov 28 11:18:16.116 INFO [stderr]     |
Nov 28 11:18:16.116 INFO [stderr] 327 |     let mut parsed: &Expression2;
Nov 28 11:18:16.116 INFO [stderr]     |         ----^^^^^^
Nov 28 11:18:16.116 INFO [stderr]     |         |
Nov 28 11:18:16.116 INFO [stderr]     |         help: remove this `mut`
Nov 28 11:18:16.116 INFO [stderr]     |
Nov 28 11:18:16.116 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 11:18:16.116 INFO [stderr] 
Nov 28 11:18:16.316 INFO [stderr] warning: method is never used: `size`
Nov 28 11:18:16.316 INFO [stderr]    --> main.rs:264:5
Nov 28 11:18:16.316 INFO [stderr]     |
Nov 28 11:18:16.316 INFO [stderr] 264 |     fn size(&self) -> u64 {
Nov 28 11:18:16.316 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:18:16.316 INFO [stderr]     |
Nov 28 11:18:16.316 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 11:18:16.316 INFO [stderr] 
Nov 28 11:18:16.316 INFO [stderr] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 11:18:16.316 INFO [stderr]  --> main.rs:2:12
Nov 28 11:18:16.316 INFO [stderr]   |
Nov 28 11:18:16.316 INFO [stderr] 2 | #![feature(underscore_lifetimes)]
Nov 28 11:18:16.316 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Nov 28 11:18:16.316 INFO [stderr]   |
Nov 28 11:18:16.316 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 11:18:16.316 INFO [stderr] 
Nov 28 11:18:16.412 INFO [stderr] warning: method is never used: `size`
Nov 28 11:18:16.412 INFO [stderr]    --> main.rs:264:5
Nov 28 11:18:16.412 INFO [stderr]     |
Nov 28 11:18:16.412 INFO [stderr] 264 |     fn size(&self) -> u64 {
Nov 28 11:18:16.412 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:18:16.412 INFO [stderr]     |
Nov 28 11:18:16.412 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 11:18:16.412 INFO [stderr] 
Nov 28 11:18:16.412 INFO [stderr] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 11:18:16.412 INFO [stderr]  --> main.rs:2:12
Nov 28 11:18:16.412 INFO [stderr]   |
Nov 28 11:18:16.412 INFO [stderr] 2 | #![feature(underscore_lifetimes)]
Nov 28 11:18:16.412 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Nov 28 11:18:16.412 INFO [stderr]   |
Nov 28 11:18:16.412 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 11:18:16.412 INFO [stderr] 
Nov 28 11:18:16.468 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.43s
Nov 28 11:18:16.468 INFO [stderr] su: No module specific data is present
Nov 28 11:18:17.626 INFO running `"docker" "inspect" "b6f065aa4c4bd9a7093076e570c736578b3605e9dae3d10182eded3dd5120709"`
Nov 28 11:18:18.020 INFO running `"docker" "rm" "-f" "b6f065aa4c4bd9a7093076e570c736578b3605e9dae3d10182eded3dd5120709"`
Nov 28 11:18:18.366 INFO [stdout] b6f065aa4c4bd9a7093076e570c736578b3605e9dae3d10182eded3dd5120709