Dec 05 02:56:42.660 INFO checking DMWhittington/d20_helper against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:56:42.660 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 02:56:43.164 INFO [stdout] f5ff439bc444c003ff12711e2ad12b8c375639a92f120274c6963fe91c95c59d
Dec 05 02:56:43.171 INFO running `"docker" "start" "-a" "f5ff439bc444c003ff12711e2ad12b8c375639a92f120274c6963fe91c95c59d"`
Dec 05 02:56:44.347 INFO [stderr] usermod: no changes
Dec 05 02:56:44.390 INFO [stderr]     Checking text_io v0.1.7
Dec 05 02:56:45.059 INFO [stderr]     Checking d20_system v0.1.0 (/source)
Dec 05 02:56:45.707 INFO [stderr] warning: unused import: `std::io::BufRead`
Dec 05 02:56:45.707 INFO [stderr]  --> src/main.rs:8:5
Dec 05 02:56:45.707 INFO [stderr]   |
Dec 05 02:56:45.707 INFO [stderr] 8 | use std::io::BufRead;
Dec 05 02:56:45.707 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 05 02:56:45.707 INFO [stderr]   |
Dec 05 02:56:45.707 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:56:45.707 INFO [stderr] 
Dec 05 02:56:45.823 INFO [stderr] warning: value assigned to `throw` is never read
Dec 05 02:56:45.823 INFO [stderr]   --> src/main.rs:16:13
Dec 05 02:56:45.823 INFO [stderr]    |
Dec 05 02:56:45.823 INFO [stderr] 16 |     let mut throw = 0;
Dec 05 02:56:45.823 INFO [stderr]    |             ^^^^^
Dec 05 02:56:45.823 INFO [stderr]    |
Dec 05 02:56:45.823 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 05 02:56:45.823 INFO [stderr] 
Dec 05 02:56:45.823 INFO [stderr] warning: unused variable: `d_size`
Dec 05 02:56:45.823 INFO [stderr]   --> src/main.rs:17:13
Dec 05 02:56:45.823 INFO [stderr]    |
Dec 05 02:56:45.823 INFO [stderr] 17 |     let mut d_size = 0;
Dec 05 02:56:45.823 INFO [stderr]    |             ^^^^^^ help: consider using `_d_size` instead
Dec 05 02:56:45.823 INFO [stderr]    |
Dec 05 02:56:45.823 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:56:45.823 INFO [stderr] 
Dec 05 02:56:45.831 INFO [stderr] warning: unused import: `std::io::BufRead`
Dec 05 02:56:45.839 INFO [stderr]  --> src/main.rs:8:5
Dec 05 02:56:45.839 INFO [stderr]   |
Dec 05 02:56:45.839 INFO [stderr] 8 | use std::io::BufRead;
Dec 05 02:56:45.839 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 05 02:56:45.839 INFO [stderr]   |
Dec 05 02:56:45.839 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:56:45.839 INFO [stderr] 
Dec 05 02:56:45.843 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:56:45.844 INFO [stderr]   --> src/main.rs:17:9
Dec 05 02:56:45.844 INFO [stderr]    |
Dec 05 02:56:45.844 INFO [stderr] 17 |     let mut d_size = 0;
Dec 05 02:56:45.844 INFO [stderr]    |         ----^^^^^^
Dec 05 02:56:45.844 INFO [stderr]    |         |
Dec 05 02:56:45.844 INFO [stderr]    |         help: remove this `mut`
Dec 05 02:56:45.844 INFO [stderr]    |
Dec 05 02:56:45.844 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 02:56:45.844 INFO [stderr] 
Dec 05 02:56:45.935 INFO [stderr] warning: value assigned to `throw` is never read
Dec 05 02:56:45.935 INFO [stderr]   --> src/main.rs:16:13
Dec 05 02:56:45.935 INFO [stderr]    |
Dec 05 02:56:45.935 INFO [stderr] 16 |     let mut throw = 0;
Dec 05 02:56:45.935 INFO [stderr]    |             ^^^^^
Dec 05 02:56:45.935 INFO [stderr]    |
Dec 05 02:56:45.935 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 05 02:56:45.935 INFO [stderr] 
Dec 05 02:56:45.935 INFO [stderr] warning: unused variable: `d_size`
Dec 05 02:56:45.935 INFO [stderr]   --> src/main.rs:17:13
Dec 05 02:56:45.935 INFO [stderr]    |
Dec 05 02:56:45.935 INFO [stderr] 17 |     let mut d_size = 0;
Dec 05 02:56:45.935 INFO [stderr]    |             ^^^^^^ help: consider using `_d_size` instead
Dec 05 02:56:45.935 INFO [stderr]    |
Dec 05 02:56:45.935 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:56:45.935 INFO [stderr] 
Dec 05 02:56:45.955 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:56:45.955 INFO [stderr]   --> src/main.rs:17:9
Dec 05 02:56:45.955 INFO [stderr]    |
Dec 05 02:56:45.955 INFO [stderr] 17 |     let mut d_size = 0;
Dec 05 02:56:45.955 INFO [stderr]    |         ----^^^^^^
Dec 05 02:56:45.955 INFO [stderr]    |         |
Dec 05 02:56:45.955 INFO [stderr]    |         help: remove this `mut`
Dec 05 02:56:45.955 INFO [stderr]    |
Dec 05 02:56:45.955 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 02:56:45.955 INFO [stderr] 
Dec 05 02:56:46.003 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
Dec 05 02:56:46.011 INFO [stderr] su: No module specific data is present
Dec 05 02:56:46.675 INFO running `"docker" "inspect" "f5ff439bc444c003ff12711e2ad12b8c375639a92f120274c6963fe91c95c59d"`
Dec 05 02:56:46.941 INFO running `"docker" "rm" "-f" "f5ff439bc444c003ff12711e2ad12b8c375639a92f120274c6963fe91c95c59d"`
Dec 05 02:56:47.177 INFO [stdout] f5ff439bc444c003ff12711e2ad12b8c375639a92f120274c6963fe91c95c59d