[INFO] updating cached repository wartyz/Ripper-Rusty-Code
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wartyz/Ripper-Rusty-Code
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wartyz/Ripper-Rusty-Code" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/wartyz/Ripper-Rusty-Code"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/wartyz/Ripper-Rusty-Code'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wartyz/Ripper-Rusty-Code" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/wartyz/Ripper-Rusty-Code"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/wartyz/Ripper-Rusty-Code'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc0e4242d3f6dd67025325faf7cb2c34663b041f
[INFO] sha for GitHub repo wartyz/Ripper-Rusty-Code: bc0e4242d3f6dd67025325faf7cb2c34663b041f
[INFO] validating manifest of wartyz/Ripper-Rusty-Code on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wartyz/Ripper-Rusty-Code on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wartyz/Ripper-Rusty-Code
[INFO] finished frobbing wartyz/Ripper-Rusty-Code
[INFO] frobbed toml for wartyz/Ripper-Rusty-Code written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/wartyz/Ripper-Rusty-Code/Cargo.toml
[INFO] started frobbing wartyz/Ripper-Rusty-Code
[INFO] finished frobbing wartyz/Ripper-Rusty-Code
[INFO] frobbed toml for wartyz/Ripper-Rusty-Code written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/wartyz/Ripper-Rusty-Code/Cargo.toml
[INFO] crate wartyz/Ripper-Rusty-Code already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wartyz/Ripper-Rusty-Code against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-0/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/wartyz/Ripper-Rusty-Code:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] be23e8d94479bd87a06ae34347a577745dcdec80c6ce1c45cd06ee4b106771e6
[INFO] running `"docker" "start" "-a" "be23e8d94479bd87a06ae34347a577745dcdec80c6ce1c45cd06ee4b106771e6"`
[INFO] [stderr]     Checking c_vec v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking ripper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:268:17
[INFO] [stderr]     |
[INFO] [stderr] 268 |             let mut match_palette: Palette = Palette {entries: [
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:333:17
[INFO] [stderr]     |
[INFO] [stderr] 333 |             let mut match_palette: Palette = Palette {entries: [
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:268:17
[INFO] [stderr]     |
[INFO] [stderr] 268 |             let mut match_palette: Palette = Palette {entries: [
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:333:17
[INFO] [stderr]     |
[INFO] [stderr] 333 |             let mut match_palette: Palette = Palette {entries: [
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `"docker" "inspect" "be23e8d94479bd87a06ae34347a577745dcdec80c6ce1c45cd06ee4b106771e6"`
[INFO] running `"docker" "rm" "-f" "be23e8d94479bd87a06ae34347a577745dcdec80c6ce1c45cd06ee4b106771e6"`
[INFO] [stdout] be23e8d94479bd87a06ae34347a577745dcdec80c6ce1c45cd06ee4b106771e6