[INFO] updating cached repository https://github.com/hogehiko/rust-dentaku
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50db995acfe148535f835f0177d29c4708c76b11
[INFO] testing hogehiko/rust-dentaku against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhogehiko%2Frust-dentaku" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hogehiko/rust-dentaku on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hogehiko/rust-dentaku
[INFO] finished tweaking git repo https://github.com/hogehiko/rust-dentaku
[INFO] tweaked toml for git repo https://github.com/hogehiko/rust-dentaku written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hogehiko/rust-dentaku already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 851eedd02d56eb9fc196cb2ed244a9ba972f124ae25baaba9c240313f2c0988c
[INFO] running `"docker" "start" "-a" "851eedd02d56eb9fc196cb2ed244a9ba972f124ae25baaba9c240313f2c0988c"`
[INFO] [stderr]    Compiling rust-dentaku v0.1.0 (/opt/rustwide/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 1.72s
[INFO] running `"docker" "inspect" "851eedd02d56eb9fc196cb2ed244a9ba972f124ae25baaba9c240313f2c0988c"`
[INFO] running `"docker" "rm" "-f" "851eedd02d56eb9fc196cb2ed244a9ba972f124ae25baaba9c240313f2c0988c"`
[INFO] [stdout] 851eedd02d56eb9fc196cb2ed244a9ba972f124ae25baaba9c240313f2c0988c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5f1723892d0db1d925249387542f3db7c04a1bfcec8e534ea659d8fb7831670d
[INFO] running `"docker" "start" "-a" "5f1723892d0db1d925249387542f3db7c04a1bfcec8e534ea659d8fb7831670d"`
[INFO] [stderr]    Compiling rust-dentaku v0.1.0 (/opt/rustwide/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 0.83s
[INFO] running `"docker" "inspect" "5f1723892d0db1d925249387542f3db7c04a1bfcec8e534ea659d8fb7831670d"`
[INFO] running `"docker" "rm" "-f" "5f1723892d0db1d925249387542f3db7c04a1bfcec8e534ea659d8fb7831670d"`
[INFO] [stdout] 5f1723892d0db1d925249387542f3db7c04a1bfcec8e534ea659d8fb7831670d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 6a7a30fb4740840d85b3ae26e92b3ada0e56c88ef7406065dc34f1e3c4caa0fd
[INFO] running `"docker" "start" "-a" "6a7a30fb4740840d85b3ae26e92b3ada0e56c88ef7406065dc34f1e3c4caa0fd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_dentaku-ec47ccf934d0b312
[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" "6a7a30fb4740840d85b3ae26e92b3ada0e56c88ef7406065dc34f1e3c4caa0fd"`
[INFO] running `"docker" "rm" "-f" "6a7a30fb4740840d85b3ae26e92b3ada0e56c88ef7406065dc34f1e3c4caa0fd"`
[INFO] [stdout] 6a7a30fb4740840d85b3ae26e92b3ada0e56c88ef7406065dc34f1e3c4caa0fd