Dec 18 08:03:46.056 INFO checking DMWhittington/d20_helper against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:03:46.056 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/DMWhittington/d20_helper:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:03:46.469 INFO [stdout] 33001927eb45355687868f64e81e2c6709435cb1c976e5a2fbdc34ca62876c4f
Dec 18 08:03:46.474 INFO running `"docker" "start" "-a" "33001927eb45355687868f64e81e2c6709435cb1c976e5a2fbdc34ca62876c4f"`
Dec 18 08:03:48.119 INFO [stderr]     Checking d20_system v0.1.0 (/opt/crater/workdir)
Dec 18 08:03:48.536 INFO [stderr] warning: unused import: `std::io::BufRead`
Dec 18 08:03:48.536 INFO [stderr]  --> src/main.rs:8:5
Dec 18 08:03:48.536 INFO [stderr]   |
Dec 18 08:03:48.536 INFO [stderr] 8 | use std::io::BufRead;
Dec 18 08:03:48.536 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 08:03:48.536 INFO [stderr]   |
Dec 18 08:03:48.536 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:03:48.536 INFO [stderr] 
Dec 18 08:03:48.564 INFO [stderr] warning: unused import: `std::io::BufRead`
Dec 18 08:03:48.564 INFO [stderr]  --> src/main.rs:8:5
Dec 18 08:03:48.564 INFO [stderr]   |
Dec 18 08:03:48.564 INFO [stderr] 8 | use std::io::BufRead;
Dec 18 08:03:48.564 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 08:03:48.564 INFO [stderr]   |
Dec 18 08:03:48.564 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:03:48.564 INFO [stderr] 
Dec 18 08:03:48.680 INFO [stderr] warning: value assigned to `throw` is never read
Dec 18 08:03:48.680 INFO [stderr]   --> src/main.rs:16:13
Dec 18 08:03:48.680 INFO [stderr]    |
Dec 18 08:03:48.680 INFO [stderr] 16 |     let mut throw = 0;
Dec 18 08:03:48.680 INFO [stderr]    |             ^^^^^
Dec 18 08:03:48.680 INFO [stderr]    |
Dec 18 08:03:48.680 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 08:03:48.680 INFO [stderr] 
Dec 18 08:03:48.680 INFO [stderr] warning: unused variable: `d_size`
Dec 18 08:03:48.680 INFO [stderr]   --> src/main.rs:17:13
Dec 18 08:03:48.681 INFO [stderr]    |
Dec 18 08:03:48.681 INFO [stderr] 17 |     let mut d_size = 0;
Dec 18 08:03:48.681 INFO [stderr]    |             ^^^^^^ help: consider using `_d_size` instead
Dec 18 08:03:48.681 INFO [stderr]    |
Dec 18 08:03:48.681 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 08:03:48.682 INFO [stderr] 
Dec 18 08:03:48.700 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:03:48.700 INFO [stderr]   --> src/main.rs:17:9
Dec 18 08:03:48.700 INFO [stderr]    |
Dec 18 08:03:48.700 INFO [stderr] 17 |     let mut d_size = 0;
Dec 18 08:03:48.700 INFO [stderr]    |         ----^^^^^^
Dec 18 08:03:48.700 INFO [stderr]    |         |
Dec 18 08:03:48.700 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:03:48.701 INFO [stderr]    |
Dec 18 08:03:48.701 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:03:48.701 INFO [stderr] 
Dec 18 08:03:48.703 INFO [stderr] warning: value assigned to `throw` is never read
Dec 18 08:03:48.704 INFO [stderr]   --> src/main.rs:16:13
Dec 18 08:03:48.704 INFO [stderr]    |
Dec 18 08:03:48.704 INFO [stderr] 16 |     let mut throw = 0;
Dec 18 08:03:48.704 INFO [stderr]    |             ^^^^^
Dec 18 08:03:48.704 INFO [stderr]    |
Dec 18 08:03:48.704 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 08:03:48.704 INFO [stderr] 
Dec 18 08:03:48.704 INFO [stderr] warning: unused variable: `d_size`
Dec 18 08:03:48.704 INFO [stderr]   --> src/main.rs:17:13
Dec 18 08:03:48.704 INFO [stderr]    |
Dec 18 08:03:48.704 INFO [stderr] 17 |     let mut d_size = 0;
Dec 18 08:03:48.704 INFO [stderr]    |             ^^^^^^ help: consider using `_d_size` instead
Dec 18 08:03:48.705 INFO [stderr]    |
Dec 18 08:03:48.705 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 08:03:48.705 INFO [stderr] 
Dec 18 08:03:48.732 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:03:48.732 INFO [stderr]   --> src/main.rs:17:9
Dec 18 08:03:48.732 INFO [stderr]    |
Dec 18 08:03:48.732 INFO [stderr] 17 |     let mut d_size = 0;
Dec 18 08:03:48.732 INFO [stderr]    |         ----^^^^^^
Dec 18 08:03:48.732 INFO [stderr]    |         |
Dec 18 08:03:48.733 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:03:48.733 INFO [stderr]    |
Dec 18 08:03:48.733 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:03:48.733 INFO [stderr] 
Dec 18 08:03:48.812 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Dec 18 08:03:49.678 INFO running `"docker" "inspect" "33001927eb45355687868f64e81e2c6709435cb1c976e5a2fbdc34ca62876c4f"`
Dec 18 08:03:49.844 INFO running `"docker" "rm" "-f" "33001927eb45355687868f64e81e2c6709435cb1c976e5a2fbdc34ca62876c4f"`
Dec 18 08:03:50.072 INFO [stdout] 33001927eb45355687868f64e81e2c6709435cb1c976e5a2fbdc34ca62876c4f