[INFO] updating cached repository hogehiko/rust-dentaku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hogehiko/rust-dentaku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hogehiko/rust-dentaku" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/hogehiko/rust-dentaku"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/hogehiko/rust-dentaku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hogehiko/rust-dentaku" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hogehiko/rust-dentaku"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hogehiko/rust-dentaku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50db995acfe148535f835f0177d29c4708c76b11
[INFO] sha for GitHub repo hogehiko/rust-dentaku: 50db995acfe148535f835f0177d29c4708c76b11
[INFO] validating manifest of hogehiko/rust-dentaku on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hogehiko/rust-dentaku on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hogehiko/rust-dentaku
[INFO] finished frobbing hogehiko/rust-dentaku
[INFO] frobbed toml for hogehiko/rust-dentaku written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/hogehiko/rust-dentaku/Cargo.toml
[INFO] started frobbing hogehiko/rust-dentaku
[INFO] finished frobbing hogehiko/rust-dentaku
[INFO] frobbed toml for hogehiko/rust-dentaku written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hogehiko/rust-dentaku/Cargo.toml
[INFO] crate hogehiko/rust-dentaku already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hogehiko/rust-dentaku against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/hogehiko/rust-dentaku:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c2548a41f330c701e7170adbc31ef56a34b4e5c69793f0f15fd65738026f9cbd
[INFO] running `"docker" "start" "-a" "c2548a41f330c701e7170adbc31ef56a34b4e5c69793f0f15fd65738026f9cbd"`
[INFO] [stderr]     Checking rust-dentaku v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/main.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Ok(bytes_read) => {
[INFO] [stderr]    |                ^^^^^^^^^^ help: consider prefixing with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         x => panic!("Undefined behavior {}",p.as_str())
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/main.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Ok(bytes_read) => {
[INFO] [stderr]    |                ^^^^^^^^^^ help: consider prefixing with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         x => panic!("Undefined behavior {}",p.as_str())
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "c2548a41f330c701e7170adbc31ef56a34b4e5c69793f0f15fd65738026f9cbd"`
[INFO] running `"docker" "rm" "-f" "c2548a41f330c701e7170adbc31ef56a34b4e5c69793f0f15fd65738026f9cbd"`
[INFO] [stdout] c2548a41f330c701e7170adbc31ef56a34b4e5c69793f0f15fd65738026f9cbd