Nov 30 08:49:13.990 INFO checking RussellSprouts/6502-language-rust against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 08:49:13.990 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 08:49:14.136 INFO [stdout] 4afeb336a82d0b2d96b82211a36d47b017a9cd6a230023a80b2b97147e32d1f2
Nov 30 08:49:14.140 INFO running `"docker" "start" "-a" "4afeb336a82d0b2d96b82211a36d47b017a9cd6a230023a80b2b97147e32d1f2"`
Nov 30 08:49:15.108 INFO [stderr] usermod: no changes
Nov 30 08:49:15.218 INFO [stderr]    Compiling libc v0.2.39
Nov 30 08:49:15.227 INFO [stderr]    Compiling peg v0.5.4
Nov 30 08:49:15.227 INFO [stderr]    Compiling im v10.0.0
Nov 30 08:49:18.464 INFO [stderr]     Checking memchr v2.0.1
Nov 30 08:49:19.930 INFO [stderr]     Checking aho-corasick v0.6.4
Nov 30 08:49:24.993 INFO [stderr]     Checking regex v0.2.6
Nov 30 08:49:38.459 INFO [stderr]    Compiling compiler v0.1.0 (/source)
Nov 30 08:49:41.368 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 08:49:41.368 INFO [stderr]  --> main.rs:6:1
Nov 30 08:49:41.368 INFO [stderr]   |
Nov 30 08:49:41.368 INFO [stderr] 6 | #[macro_use]
Nov 30 08:49:41.368 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 08:49:41.368 INFO [stderr]   |
Nov 30 08:49:41.368 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:49:41.368 INFO [stderr] 
Nov 30 08:49:41.972 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 08:49:41.972 INFO [stderr]  --> main.rs:6:1
Nov 30 08:49:41.972 INFO [stderr]   |
Nov 30 08:49:41.972 INFO [stderr] 6 | #[macro_use]
Nov 30 08:49:41.972 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 08:49:41.972 INFO [stderr]   |
Nov 30 08:49:41.972 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:49:41.972 INFO [stderr] 
Nov 30 08:49:42.292 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:49:42.292 INFO [stderr]    --> main.rs:327:9
Nov 30 08:49:42.292 INFO [stderr]     |
Nov 30 08:49:42.292 INFO [stderr] 327 |     let mut parsed: &Expression2;
Nov 30 08:49:42.292 INFO [stderr]     |         ----^^^^^^
Nov 30 08:49:42.292 INFO [stderr]     |         |
Nov 30 08:49:42.292 INFO [stderr]     |         help: remove this `mut`
Nov 30 08:49:42.292 INFO [stderr]     |
Nov 30 08:49:42.292 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 08:49:42.292 INFO [stderr] 
Nov 30 08:49:42.648 INFO [stderr] warning: variable does not need to be mutable
Nov 30 08:49:42.648 INFO [stderr]    --> main.rs:327:9
Nov 30 08:49:42.648 INFO [stderr]     |
Nov 30 08:49:42.648 INFO [stderr] 327 |     let mut parsed: &Expression2;
Nov 30 08:49:42.648 INFO [stderr]     |         ----^^^^^^
Nov 30 08:49:42.648 INFO [stderr]     |         |
Nov 30 08:49:42.648 INFO [stderr]     |         help: remove this `mut`
Nov 30 08:49:42.648 INFO [stderr]     |
Nov 30 08:49:42.648 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 08:49:42.648 INFO [stderr] 
Nov 30 08:49:42.652 INFO [stderr] warning: method is never used: `size`
Nov 30 08:49:42.652 INFO [stderr]    --> main.rs:264:5
Nov 30 08:49:42.652 INFO [stderr]     |
Nov 30 08:49:42.652 INFO [stderr] 264 |     fn size(&self) -> u64 {
Nov 30 08:49:42.652 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:49:42.652 INFO [stderr]     |
Nov 30 08:49:42.652 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 08:49:42.652 INFO [stderr] 
Nov 30 08:49:42.652 INFO [stderr] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 30 08:49:42.652 INFO [stderr]  --> main.rs:2:12
Nov 30 08:49:42.652 INFO [stderr]   |
Nov 30 08:49:42.652 INFO [stderr] 2 | #![feature(underscore_lifetimes)]
Nov 30 08:49:42.652 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Nov 30 08:49:42.652 INFO [stderr]   |
Nov 30 08:49:42.652 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 08:49:42.652 INFO [stderr] 
Nov 30 08:49:42.946 INFO [stderr] warning: method is never used: `size`
Nov 30 08:49:42.946 INFO [stderr]    --> main.rs:264:5
Nov 30 08:49:42.946 INFO [stderr]     |
Nov 30 08:49:42.946 INFO [stderr] 264 |     fn size(&self) -> u64 {
Nov 30 08:49:42.946 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:49:42.946 INFO [stderr]     |
Nov 30 08:49:42.946 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 08:49:42.946 INFO [stderr] 
Nov 30 08:49:42.946 INFO [stderr] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 30 08:49:42.946 INFO [stderr]  --> main.rs:2:12
Nov 30 08:49:42.946 INFO [stderr]   |
Nov 30 08:49:42.946 INFO [stderr] 2 | #![feature(underscore_lifetimes)]
Nov 30 08:49:42.946 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Nov 30 08:49:42.946 INFO [stderr]   |
Nov 30 08:49:42.946 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 08:49:42.946 INFO [stderr] 
Nov 30 08:49:42.997 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.87s
Nov 30 08:49:43.001 INFO [stderr] su: No module specific data is present
Nov 30 08:49:43.830 INFO running `"docker" "inspect" "4afeb336a82d0b2d96b82211a36d47b017a9cd6a230023a80b2b97147e32d1f2"`
Nov 30 08:49:44.218 INFO running `"docker" "rm" "-f" "4afeb336a82d0b2d96b82211a36d47b017a9cd6a230023a80b2b97147e32d1f2"`
Nov 30 08:49:44.540 INFO [stdout] 4afeb336a82d0b2d96b82211a36d47b017a9cd6a230023a80b2b97147e32d1f2