[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/beta-1.37-6/sources/1.36.0/gh/hogehiko/rust-dentaku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hogehiko/rust-dentaku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hogehiko/rust-dentaku" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hogehiko/rust-dentaku"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hogehiko/rust-dentaku on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hogehiko/rust-dentaku against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 53c19a2bbea8a23e320c94665c92d6e7bbd65cb488acc60c377be25770bd6753
[INFO] running `"docker" "start" "-a" "53c19a2bbea8a23e320c94665c92d6e7bbd65cb488acc60c377be25770bd6753"`
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `"docker" "inspect" "53c19a2bbea8a23e320c94665c92d6e7bbd65cb488acc60c377be25770bd6753"`
[INFO] running `"docker" "rm" "-f" "53c19a2bbea8a23e320c94665c92d6e7bbd65cb488acc60c377be25770bd6753"`
[INFO] [stdout] 53c19a2bbea8a23e320c94665c92d6e7bbd65cb488acc60c377be25770bd6753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4d38bcf927d19f7c4b113c5d50c83d2bd8451eb49cdf0d81242cd89601f60bce
[INFO] running `"docker" "start" "-a" "4d38bcf927d19f7c4b113c5d50c83d2bd8451eb49cdf0d81242cd89601f60bce"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "4d38bcf927d19f7c4b113c5d50c83d2bd8451eb49cdf0d81242cd89601f60bce"`
[INFO] running `"docker" "rm" "-f" "4d38bcf927d19f7c4b113c5d50c83d2bd8451eb49cdf0d81242cd89601f60bce"`
[INFO] [stdout] 4d38bcf927d19f7c4b113c5d50c83d2bd8451eb49cdf0d81242cd89601f60bce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 8922ed78d5022cb72ecc1bcda71d48331cb2375c6e966b36a991dfea0c082cc3
[INFO] running `"docker" "start" "-a" "8922ed78d5022cb72ecc1bcda71d48331cb2375c6e966b36a991dfea0c082cc3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_dentaku-2e7a92261b0963e5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8922ed78d5022cb72ecc1bcda71d48331cb2375c6e966b36a991dfea0c082cc3"`
[INFO] running `"docker" "rm" "-f" "8922ed78d5022cb72ecc1bcda71d48331cb2375c6e966b36a991dfea0c082cc3"`
[INFO] [stdout] 8922ed78d5022cb72ecc1bcda71d48331cb2375c6e966b36a991dfea0c082cc3