[INFO] cloning repository euc/hihi
[INFO] running `"git" "clone" "--bare" "git://github.com/euc/hihi.git" "work/cache/sources/gh/euc/hihi"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/euc/hihi'...
[INFO] running `"git" "clone" "work/cache/sources/gh/euc/hihi" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/euc/hihi"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/euc/hihi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/euc/hihi" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/euc/hihi"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/euc/hihi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee11c309cdbb3f6c47766c124325f6249f37fb6d
[INFO] sha for GitHub repo euc/hihi: ee11c309cdbb3f6c47766c124325f6249f37fb6d
[INFO] validating manifest of euc/hihi on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of euc/hihi on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing euc/hihi
[INFO] finished frobbing euc/hihi
[INFO] frobbed toml for euc/hihi written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/euc/hihi/Cargo.toml
[INFO] started frobbing euc/hihi
[INFO] finished frobbing euc/hihi
[INFO] frobbed toml for euc/hihi written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/euc/hihi/Cargo.toml
[INFO] crate euc/hihi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded markov v0.0.31
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing euc/hihi against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/euc/hihi:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 27482eb880a80aa5b9e0e50e6b3587e0835502458ed36a578bf25685c730fca9
[INFO] running `"docker" "start" "-a" "27482eb880a80aa5b9e0e50e6b3587e0835502458ed36a578bf25685c730fca9"`
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling markov v0.0.31
[INFO] [stderr]    Compiling hihi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for x in 0..4 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:38:6
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let output = if cfg!(target_os = "windows") {
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `"docker" "inspect" "27482eb880a80aa5b9e0e50e6b3587e0835502458ed36a578bf25685c730fca9"`
[INFO] running `"docker" "rm" "-f" "27482eb880a80aa5b9e0e50e6b3587e0835502458ed36a578bf25685c730fca9"`
[INFO] [stdout] 27482eb880a80aa5b9e0e50e6b3587e0835502458ed36a578bf25685c730fca9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/euc/hihi:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f6845855085d1eaff8f1d58bbefe18dcfff0351c0de1453f51825a68de5eae88
[INFO] running `"docker" "start" "-a" "f6845855085d1eaff8f1d58bbefe18dcfff0351c0de1453f51825a68de5eae88"`
[INFO] [stderr]    Compiling hihi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for x in 0..4 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:38:6
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let output = if cfg!(target_os = "windows") {
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "f6845855085d1eaff8f1d58bbefe18dcfff0351c0de1453f51825a68de5eae88"`
[INFO] running `"docker" "rm" "-f" "f6845855085d1eaff8f1d58bbefe18dcfff0351c0de1453f51825a68de5eae88"`
[INFO] [stdout] f6845855085d1eaff8f1d58bbefe18dcfff0351c0de1453f51825a68de5eae88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/euc/hihi:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 99e3be6bd52f85ffcb46e1b6cf148dc1a5584f2a5cd977e19065863f6de8019f
[INFO] running `"docker" "start" "-a" "99e3be6bd52f85ffcb46e1b6cf148dc1a5584f2a5cd977e19065863f6de8019f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hihi-f8925f1b96270a1f
[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" "99e3be6bd52f85ffcb46e1b6cf148dc1a5584f2a5cd977e19065863f6de8019f"`
[INFO] running `"docker" "rm" "-f" "99e3be6bd52f85ffcb46e1b6cf148dc1a5584f2a5cd977e19065863f6de8019f"`
[INFO] [stdout] 99e3be6bd52f85ffcb46e1b6cf148dc1a5584f2a5cd977e19065863f6de8019f