[INFO] updating cached repository nathanjent/legendsof1f600
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nathanjent/legendsof1f600
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nathanjent/legendsof1f600" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/nathanjent/legendsof1f600"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/nathanjent/legendsof1f600'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nathanjent/legendsof1f600" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/nathanjent/legendsof1f600"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/nathanjent/legendsof1f600'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9fb174b5cfd7c60f3ec78d956dee7c346c57de0d
[INFO] sha for GitHub repo nathanjent/legendsof1f600: 9fb174b5cfd7c60f3ec78d956dee7c346c57de0d
[INFO] validating manifest of nathanjent/legendsof1f600 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nathanjent/legendsof1f600 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nathanjent/legendsof1f600
[INFO] finished frobbing nathanjent/legendsof1f600
[INFO] frobbed toml for nathanjent/legendsof1f600 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/nathanjent/legendsof1f600/Cargo.toml
[INFO] started frobbing nathanjent/legendsof1f600
[INFO] finished frobbing nathanjent/legendsof1f600
[INFO] frobbed toml for nathanjent/legendsof1f600 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/nathanjent/legendsof1f600/Cargo.toml
[INFO] crate nathanjent/legendsof1f600 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nathanjent/legendsof1f600 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 74c66df2c8662d5a1a81a51c932cbcdf1bb2e1263828f60df560a42a0a879dc1
[INFO] running `"docker" "start" "-a" "74c66df2c8662d5a1a81a51c932cbcdf1bb2e1263828f60df560a42a0a879dc1"`
[INFO] [stderr]     Checking yaml-rust v0.3.4
[INFO] [stderr]     Checking pulse v0.5.3
[INFO] [stderr]     Checking specs v0.7.0
[INFO] [stderr]     Checking legendsof1f600 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `playable`
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let playable: Vec<char> = map_cfg["playable"]
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_playable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nonblocking`
[INFO] [stderr]    --> src/main.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let nonblocking: Vec<char> = map_cfg["nonblocking"]
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_nonblocking`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `playable`
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let playable: Vec<char> = map_cfg["playable"]
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_playable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nonblocking`
[INFO] [stderr]    --> src/main.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let nonblocking: Vec<char> = map_cfg["nonblocking"]
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_nonblocking`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `"docker" "inspect" "74c66df2c8662d5a1a81a51c932cbcdf1bb2e1263828f60df560a42a0a879dc1"`
[INFO] running `"docker" "rm" "-f" "74c66df2c8662d5a1a81a51c932cbcdf1bb2e1263828f60df560a42a0a879dc1"`
[INFO] [stdout] 74c66df2c8662d5a1a81a51c932cbcdf1bb2e1263828f60df560a42a0a879dc1