[INFO] updating cached repository https://github.com/xenzh/check_utf8_lines
[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] 9cd179acbf11085646831e5d63d176b07c376c47
[INFO] testing xenzh/check_utf8_lines against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxenzh%2Fcheck_utf8_lines" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xenzh/check_utf8_lines on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xenzh/check_utf8_lines
[INFO] finished tweaking git repo https://github.com/xenzh/check_utf8_lines
[INFO] tweaked toml for git repo https://github.com/xenzh/check_utf8_lines written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xenzh/check_utf8_lines already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 3b58565256969bc3402f558780c227a0117755e3f3a012768443e8812703e288
[INFO] running `"docker" "start" "-a" "3b58565256969bc3402f558780c227a0117755e3f3a012768443e8812703e288"`
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling check_utf8_lines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut f = try!(File::open(path).map_err(|e| e.to_string()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     try!(f.read_to_string(&mut content).map_err(|e| e.to_string()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "3b58565256969bc3402f558780c227a0117755e3f3a012768443e8812703e288"`
[INFO] running `"docker" "rm" "-f" "3b58565256969bc3402f558780c227a0117755e3f3a012768443e8812703e288"`
[INFO] [stdout] 3b58565256969bc3402f558780c227a0117755e3f3a012768443e8812703e288
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 17047e8751279740f80126f497655bbfc2d144d40a0ee887285e5ddf679632da
[INFO] running `"docker" "start" "-a" "17047e8751279740f80126f497655bbfc2d144d40a0ee887285e5ddf679632da"`
[INFO] [stderr]    Compiling check_utf8_lines v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut f = try!(File::open(path).map_err(|e| e.to_string()));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     try!(f.read_to_string(&mut content).map_err(|e| e.to_string()));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "17047e8751279740f80126f497655bbfc2d144d40a0ee887285e5ddf679632da"`
[INFO] running `"docker" "rm" "-f" "17047e8751279740f80126f497655bbfc2d144d40a0ee887285e5ddf679632da"`
[INFO] [stdout] 17047e8751279740f80126f497655bbfc2d144d40a0ee887285e5ddf679632da
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 304473e38db050beff35f644a9902659265f5f79103d535dd237ae43ad84d130
[INFO] running `"docker" "start" "-a" "304473e38db050beff35f644a9902659265f5f79103d535dd237ae43ad84d130"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/check_utf8_lines-49a4ce65474afd29
[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" "304473e38db050beff35f644a9902659265f5f79103d535dd237ae43ad84d130"`
[INFO] running `"docker" "rm" "-f" "304473e38db050beff35f644a9902659265f5f79103d535dd237ae43ad84d130"`
[INFO] [stdout] 304473e38db050beff35f644a9902659265f5f79103d535dd237ae43ad84d130