Dec 19 12:01:55.786 INFO checking nathanjent/legendsof1f600 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:01:55.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/nathanjent/legendsof1f600:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:01:55.958 INFO [stdout] 2fcfde87123b088041a689d3bfd75058e23c91219859a5d6760fd188af83d80b
Dec 19 12:01:55.960 INFO running `"docker" "start" "-a" "2fcfde87123b088041a689d3bfd75058e23c91219859a5d6760fd188af83d80b"`
Dec 19 12:01:56.476 INFO [stderr]     Checking yaml-rust v0.3.4
Dec 19 12:01:56.476 INFO [stderr]     Checking pulse v0.5.3
Dec 19 12:01:57.132 INFO [stderr]     Checking specs v0.7.0
Dec 19 12:01:58.654 INFO [stderr]     Checking legendsof1f600 v0.1.0 (/opt/crater/workdir)
Dec 19 12:01:58.782 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 19 12:01:58.782 INFO [stderr]  --> src/main.rs:7:5
Dec 19 12:01:58.782 INFO [stderr]   |
Dec 19 12:01:58.782 INFO [stderr] 7 | use std::io::BufReader;
Dec 19 12:01:58.782 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 12:01:58.782 INFO [stderr]   |
Dec 19 12:01:58.782 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:01:58.782 INFO [stderr] 
Dec 19 12:01:58.782 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 12:01:58.782 INFO [stderr]  --> src/main.rs:8:5
Dec 19 12:01:58.782 INFO [stderr]   |
Dec 19 12:01:58.782 INFO [stderr] 8 | use std::fs::File;
Dec 19 12:01:58.782 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 12:01:58.782 INFO [stderr] 
Dec 19 12:01:58.788 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 19 12:01:58.788 INFO [stderr]  --> src/main.rs:7:5
Dec 19 12:01:58.788 INFO [stderr]   |
Dec 19 12:01:58.788 INFO [stderr] 7 | use std::io::BufReader;
Dec 19 12:01:58.788 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 12:01:58.788 INFO [stderr]   |
Dec 19 12:01:58.788 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:01:58.788 INFO [stderr] 
Dec 19 12:01:58.788 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 12:01:58.788 INFO [stderr]  --> src/main.rs:8:5
Dec 19 12:01:58.788 INFO [stderr]   |
Dec 19 12:01:58.788 INFO [stderr] 8 | use std::fs::File;
Dec 19 12:01:58.788 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 12:01:58.788 INFO [stderr] 
Dec 19 12:01:58.894 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 12:01:58.894 INFO [stderr]  --> src/main.rs:5:5
Dec 19 12:01:58.894 INFO [stderr]   |
Dec 19 12:01:58.894 INFO [stderr] 5 | use std::io::prelude::*;
Dec 19 12:01:58.894 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 12:01:58.894 INFO [stderr] 
Dec 19 12:01:58.900 INFO [stderr] warning: unused variable: `playable`
Dec 19 12:01:58.900 INFO [stderr]    --> src/main.rs:107:9
Dec 19 12:01:58.900 INFO [stderr]     |
Dec 19 12:01:58.900 INFO [stderr] 107 |     let playable: Vec<char> = map_cfg["playable"]
Dec 19 12:01:58.900 INFO [stderr]     |         ^^^^^^^^ help: consider using `_playable` instead
Dec 19 12:01:58.900 INFO [stderr]     |
Dec 19 12:01:58.900 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:01:58.900 INFO [stderr] 
Dec 19 12:01:58.900 INFO [stderr] warning: unused variable: `nonblocking`
Dec 19 12:01:58.900 INFO [stderr]    --> src/main.rs:123:9
Dec 19 12:01:58.900 INFO [stderr]     |
Dec 19 12:01:58.900 INFO [stderr] 123 |     let nonblocking: Vec<char> = map_cfg["nonblocking"]
Dec 19 12:01:58.900 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_nonblocking` instead
Dec 19 12:01:58.900 INFO [stderr] 
Dec 19 12:01:58.912 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 12:01:58.912 INFO [stderr]  --> src/main.rs:5:5
Dec 19 12:01:58.912 INFO [stderr]   |
Dec 19 12:01:58.912 INFO [stderr] 5 | use std::io::prelude::*;
Dec 19 12:01:58.912 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 12:01:58.912 INFO [stderr] 
Dec 19 12:01:58.920 INFO [stderr] warning: unused variable: `playable`
Dec 19 12:01:58.920 INFO [stderr]    --> src/main.rs:107:9
Dec 19 12:01:58.920 INFO [stderr]     |
Dec 19 12:01:58.920 INFO [stderr] 107 |     let playable: Vec<char> = map_cfg["playable"]
Dec 19 12:01:58.920 INFO [stderr]     |         ^^^^^^^^ help: consider using `_playable` instead
Dec 19 12:01:58.920 INFO [stderr]     |
Dec 19 12:01:58.920 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:01:58.920 INFO [stderr] 
Dec 19 12:01:58.920 INFO [stderr] warning: unused variable: `nonblocking`
Dec 19 12:01:58.920 INFO [stderr]    --> src/main.rs:123:9
Dec 19 12:01:58.920 INFO [stderr]     |
Dec 19 12:01:58.920 INFO [stderr] 123 |     let nonblocking: Vec<char> = map_cfg["nonblocking"]
Dec 19 12:01:58.920 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_nonblocking` instead
Dec 19 12:01:58.920 INFO [stderr] 
Dec 19 12:01:59.021 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
Dec 19 12:01:59.907 INFO running `"docker" "inspect" "2fcfde87123b088041a689d3bfd75058e23c91219859a5d6760fd188af83d80b"`
Dec 19 12:02:00.096 INFO running `"docker" "rm" "-f" "2fcfde87123b088041a689d3bfd75058e23c91219859a5d6760fd188af83d80b"`
Dec 19 12:02:00.291 INFO [stdout] 2fcfde87123b088041a689d3bfd75058e23c91219859a5d6760fd188af83d80b