[INFO] updating cached repository scottschroeder/zarc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scottschroeder/zarc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scottschroeder/zarc" "work/ex/beta-1.37-6/sources/1.36.0/gh/scottschroeder/zarc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/scottschroeder/zarc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottschroeder/zarc" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottschroeder/zarc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottschroeder/zarc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2a91c47aaa22b2bab33307f547dfbdef8c3853ed
[INFO] sha for GitHub repo scottschroeder/zarc: 2a91c47aaa22b2bab33307f547dfbdef8c3853ed
[INFO] validating manifest of scottschroeder/zarc 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 scottschroeder/zarc 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 scottschroeder/zarc
[INFO] finished frobbing scottschroeder/zarc
[INFO] frobbed toml for scottschroeder/zarc written to work/ex/beta-1.37-6/sources/1.36.0/gh/scottschroeder/zarc/Cargo.toml
[INFO] started frobbing scottschroeder/zarc
[INFO] finished frobbing scottschroeder/zarc
[INFO] frobbed toml for scottschroeder/zarc written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scottschroeder/zarc/Cargo.toml
[INFO] crate scottschroeder/zarc 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]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing scottschroeder/zarc 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-4/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/scottschroeder/zarc:/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] ba5f2e760337cd2cfa7551c2bc44fbbf5b1500abc8feb3a344e0c22cef363dd1
[INFO] running `"docker" "start" "-a" "ba5f2e760337cd2cfa7551c2bc44fbbf5b1500abc8feb3a344e0c22cef363dd1"`
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling clap v2.24.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling exec v0.2.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling zarc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / error_chain! {
[INFO] [stderr] 5  | |     foreign_links {
[INFO] [stderr] 6  | |         IOError(io::Error);
[INFO] [stderr] 7  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     }
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.51s
[INFO] running `"docker" "inspect" "ba5f2e760337cd2cfa7551c2bc44fbbf5b1500abc8feb3a344e0c22cef363dd1"`
[INFO] running `"docker" "rm" "-f" "ba5f2e760337cd2cfa7551c2bc44fbbf5b1500abc8feb3a344e0c22cef363dd1"`
[INFO] [stdout] ba5f2e760337cd2cfa7551c2bc44fbbf5b1500abc8feb3a344e0c22cef363dd1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/scottschroeder/zarc:/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] a7fdb10f39d7f99a199dbaf3c261181a4ef1b9e5f84274539920a17e74a645e8
[INFO] running `"docker" "start" "-a" "a7fdb10f39d7f99a199dbaf3c261181a4ef1b9e5f84274539920a17e74a645e8"`
[INFO] [stderr]    Compiling zarc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / error_chain! {
[INFO] [stderr] 5  | |     foreign_links {
[INFO] [stderr] 6  | |         IOError(io::Error);
[INFO] [stderr] 7  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     }
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "a7fdb10f39d7f99a199dbaf3c261181a4ef1b9e5f84274539920a17e74a645e8"`
[INFO] running `"docker" "rm" "-f" "a7fdb10f39d7f99a199dbaf3c261181a4ef1b9e5f84274539920a17e74a645e8"`
[INFO] [stdout] a7fdb10f39d7f99a199dbaf3c261181a4ef1b9e5f84274539920a17e74a645e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/scottschroeder/zarc:/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] 76a292099d73df1034f72c119d9bdeda40453594da362855c788aa66f7e44973
[INFO] running `"docker" "start" "-a" "76a292099d73df1034f72c119d9bdeda40453594da362855c788aa66f7e44973"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zarc-50f1a9381fd1cf5e
[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" "76a292099d73df1034f72c119d9bdeda40453594da362855c788aa66f7e44973"`
[INFO] running `"docker" "rm" "-f" "76a292099d73df1034f72c119d9bdeda40453594da362855c788aa66f7e44973"`
[INFO] [stdout] 76a292099d73df1034f72c119d9bdeda40453594da362855c788aa66f7e44973