[INFO] updating cached repository ddworken/scule
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ddworken/scule
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ddworken/scule" "work/ex/beta-1.37-6/sources/1.36.0/gh/ddworken/scule"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ddworken/scule'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ddworken/scule" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddworken/scule"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddworken/scule'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f7c99a46b42011296cc9cb7bd4dad3308ab81863
[INFO] sha for GitHub repo ddworken/scule: f7c99a46b42011296cc9cb7bd4dad3308ab81863
[INFO] validating manifest of ddworken/scule 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 ddworken/scule 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 ddworken/scule
[INFO] finished frobbing ddworken/scule
[INFO] frobbed toml for ddworken/scule written to work/ex/beta-1.37-6/sources/1.36.0/gh/ddworken/scule/Cargo.toml
[INFO] started frobbing ddworken/scule
[INFO] finished frobbing ddworken/scule
[INFO] frobbed toml for ddworken/scule written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddworken/scule/Cargo.toml
[INFO] crate ddworken/scule 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ddworken/scule/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 ddworken/scule against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddworken/scule:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 33564bb62affa2e16326de1b3176a6e35ed87e648f7ed0e129344a9032a8141b
[INFO] running `"docker" "start" "-a" "33564bb62affa2e16326de1b3176a6e35ed87e648f7ed0e129344a9032a8141b"`
[INFO] [stderr]    Compiling scule v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         Err(err) => "",
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |         Ok(x) => bytes, 
[INFO] [stderr]     |            ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `"docker" "inspect" "33564bb62affa2e16326de1b3176a6e35ed87e648f7ed0e129344a9032a8141b"`
[INFO] running `"docker" "rm" "-f" "33564bb62affa2e16326de1b3176a6e35ed87e648f7ed0e129344a9032a8141b"`
[INFO] [stdout] 33564bb62affa2e16326de1b3176a6e35ed87e648f7ed0e129344a9032a8141b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddworken/scule:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9d447cb352c4dda533ffc0128b7243fde4b11eaf2e45f038d6bf18cb9595c1c8
[INFO] running `"docker" "start" "-a" "9d447cb352c4dda533ffc0128b7243fde4b11eaf2e45f038d6bf18cb9595c1c8"`
[INFO] [stderr]    Compiling scule v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]    --> src/main.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     use std::process::Command; 
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]    --> src/main.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     use std::str; 
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         Err(err) => "",
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |         Ok(x) => bytes, 
[INFO] [stderr]     |            ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "9d447cb352c4dda533ffc0128b7243fde4b11eaf2e45f038d6bf18cb9595c1c8"`
[INFO] running `"docker" "rm" "-f" "9d447cb352c4dda533ffc0128b7243fde4b11eaf2e45f038d6bf18cb9595c1c8"`
[INFO] [stdout] 9d447cb352c4dda533ffc0128b7243fde4b11eaf2e45f038d6bf18cb9595c1c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddworken/scule:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b96100b5c38f4da51fced9c570e9301303fd5ba7b1dcf2b300d08722c54b1a34
[INFO] running `"docker" "start" "-a" "b96100b5c38f4da51fced9c570e9301303fd5ba7b1dcf2b300d08722c54b1a34"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scule-857d5ae43c42ddc9
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::testIsPrintableASCII ... ok
[INFO] [stdout] test tests::testConvertCaseUnicode ... ok
[INFO] [stdout] test tests::testOpenFile ... ok
[INFO] [stdout] test tests::testConvertCaseASCII ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b96100b5c38f4da51fced9c570e9301303fd5ba7b1dcf2b300d08722c54b1a34"`
[INFO] running `"docker" "rm" "-f" "b96100b5c38f4da51fced9c570e9301303fd5ba7b1dcf2b300d08722c54b1a34"`
[INFO] [stdout] b96100b5c38f4da51fced9c570e9301303fd5ba7b1dcf2b300d08722c54b1a34