Dec 05 00:19:02.514 INFO checking RussellSprouts/6502-language-rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:19:02.514 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 00:19:02.696 INFO [stdout] 13cdc01e5d2a5097d9d1975777a747f86b811a6cdc857014606b38ae33eb88a2
Dec 05 00:19:02.698 INFO running `"docker" "start" "-a" "13cdc01e5d2a5097d9d1975777a747f86b811a6cdc857014606b38ae33eb88a2"`
Dec 05 00:19:03.639 INFO [stderr] usermod: no changes
Dec 05 00:19:03.759 INFO [stderr]    Compiling libc v0.2.39
Dec 05 00:19:03.771 INFO [stderr]     Checking typed-arena v1.3.0
Dec 05 00:19:03.771 INFO [stderr]    Compiling peg v0.5.4
Dec 05 00:19:03.771 INFO [stderr]    Compiling im v10.0.0
Dec 05 00:19:03.771 INFO [stderr]     Checking regex v0.2.6
Dec 05 00:19:06.727 INFO [stderr]    Compiling memchr v2.0.1
Dec 05 00:19:08.572 INFO [stderr]    Compiling aho-corasick v0.6.4
Dec 05 00:19:25.759 INFO [stderr]    Compiling compiler v0.1.0 (/source)
Dec 05 00:19:28.679 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 00:19:28.679 INFO [stderr]  --> main.rs:6:1
Dec 05 00:19:28.679 INFO [stderr]   |
Dec 05 00:19:28.679 INFO [stderr] 6 | #[macro_use]
Dec 05 00:19:28.679 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 00:19:28.679 INFO [stderr]   |
Dec 05 00:19:28.679 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:19:28.679 INFO [stderr] 
Dec 05 00:19:29.023 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 00:19:29.023 INFO [stderr]  --> main.rs:6:1
Dec 05 00:19:29.023 INFO [stderr]   |
Dec 05 00:19:29.023 INFO [stderr] 6 | #[macro_use]
Dec 05 00:19:29.023 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 00:19:29.023 INFO [stderr]   |
Dec 05 00:19:29.023 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:19:29.023 INFO [stderr] 
Dec 05 00:19:29.187 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:19:29.187 INFO [stderr]    --> main.rs:327:9
Dec 05 00:19:29.187 INFO [stderr]     |
Dec 05 00:19:29.187 INFO [stderr] 327 |     let mut parsed: &Expression2;
Dec 05 00:19:29.187 INFO [stderr]     |         ----^^^^^^
Dec 05 00:19:29.187 INFO [stderr]     |         |
Dec 05 00:19:29.187 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:19:29.187 INFO [stderr]     |
Dec 05 00:19:29.187 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:19:29.187 INFO [stderr] 
Dec 05 00:19:29.355 INFO [stderr] warning: method is never used: `size`
Dec 05 00:19:29.355 INFO [stderr]    --> main.rs:264:5
Dec 05 00:19:29.355 INFO [stderr]     |
Dec 05 00:19:29.355 INFO [stderr] 264 |     fn size(&self) -> u64 {
Dec 05 00:19:29.355 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:19:29.355 INFO [stderr]     |
Dec 05 00:19:29.355 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 00:19:29.355 INFO [stderr] 
Dec 05 00:19:29.359 INFO [stderr] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 00:19:29.359 INFO [stderr]  --> main.rs:2:12
Dec 05 00:19:29.359 INFO [stderr]   |
Dec 05 00:19:29.359 INFO [stderr] 2 | #![feature(underscore_lifetimes)]
Dec 05 00:19:29.359 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 05 00:19:29.359 INFO [stderr]   |
Dec 05 00:19:29.359 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 00:19:29.359 INFO [stderr] 
Dec 05 00:19:29.843 INFO [stderr] warning: variable does not need to be mutable
Dec 05 00:19:29.843 INFO [stderr]    --> main.rs:327:9
Dec 05 00:19:29.843 INFO [stderr]     |
Dec 05 00:19:29.843 INFO [stderr] 327 |     let mut parsed: &Expression2;
Dec 05 00:19:29.843 INFO [stderr]     |         ----^^^^^^
Dec 05 00:19:29.843 INFO [stderr]     |         |
Dec 05 00:19:29.843 INFO [stderr]     |         help: remove this `mut`
Dec 05 00:19:29.843 INFO [stderr]     |
Dec 05 00:19:29.843 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 00:19:29.843 INFO [stderr] 
Dec 05 00:19:30.015 INFO [stderr] warning: method is never used: `size`
Dec 05 00:19:30.015 INFO [stderr]    --> main.rs:264:5
Dec 05 00:19:30.015 INFO [stderr]     |
Dec 05 00:19:30.015 INFO [stderr] 264 |     fn size(&self) -> u64 {
Dec 05 00:19:30.015 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:19:30.015 INFO [stderr]     |
Dec 05 00:19:30.015 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 00:19:30.015 INFO [stderr] 
Dec 05 00:19:30.015 INFO [stderr] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 00:19:30.015 INFO [stderr]  --> main.rs:2:12
Dec 05 00:19:30.015 INFO [stderr]   |
Dec 05 00:19:30.015 INFO [stderr] 2 | #![feature(underscore_lifetimes)]
Dec 05 00:19:30.015 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 05 00:19:30.015 INFO [stderr]   |
Dec 05 00:19:30.015 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 00:19:30.015 INFO [stderr] 
Dec 05 00:19:30.071 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.41s
Dec 05 00:19:30.071 INFO [stderr] su: No module specific data is present
Dec 05 00:19:31.032 INFO running `"docker" "inspect" "13cdc01e5d2a5097d9d1975777a747f86b811a6cdc857014606b38ae33eb88a2"`
Dec 05 00:19:31.259 INFO running `"docker" "rm" "-f" "13cdc01e5d2a5097d9d1975777a747f86b811a6cdc857014606b38ae33eb88a2"`
Dec 05 00:19:31.538 INFO [stdout] 13cdc01e5d2a5097d9d1975777a747f86b811a6cdc857014606b38ae33eb88a2