[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-1.38-1/sources/1.37.0/gh/scottschroeder/zarc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/scottschroeder/zarc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scottschroeder/zarc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scottschroeder/zarc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scottschroeder/zarc on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing scottschroeder/zarc against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e06e82ac2a23244577762ae3d0cc493d884427f64a449e4ea81bc4c26c9bb7ad
[INFO] running `"docker" "start" "-a" "e06e82ac2a23244577762ae3d0cc493d884427f64a449e4ea81bc4c26c9bb7ad"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling clap v2.24.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling exec v0.2.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[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 51.58s
[INFO] running `"docker" "inspect" "e06e82ac2a23244577762ae3d0cc493d884427f64a449e4ea81bc4c26c9bb7ad"`
[INFO] running `"docker" "rm" "-f" "e06e82ac2a23244577762ae3d0cc493d884427f64a449e4ea81bc4c26c9bb7ad"`
[INFO] [stdout] e06e82ac2a23244577762ae3d0cc493d884427f64a449e4ea81bc4c26c9bb7ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a0740266148cb269d218227df43c7f9fb354b8a5641cf41309d9017f64373777
[INFO] running `"docker" "start" "-a" "a0740266148cb269d218227df43c7f9fb354b8a5641cf41309d9017f64373777"`
[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 1.47s
[INFO] running `"docker" "inspect" "a0740266148cb269d218227df43c7f9fb354b8a5641cf41309d9017f64373777"`
[INFO] running `"docker" "rm" "-f" "a0740266148cb269d218227df43c7f9fb354b8a5641cf41309d9017f64373777"`
[INFO] [stdout] a0740266148cb269d218227df43c7f9fb354b8a5641cf41309d9017f64373777
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fabd5fcc3c18b08d78abb78c07c20324135036f1fe75f62f03d8095f233ffdbc
[INFO] running `"docker" "start" "-a" "fabd5fcc3c18b08d78abb78c07c20324135036f1fe75f62f03d8095f233ffdbc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zarc-9d0ce3cb572b0fe8
[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" "fabd5fcc3c18b08d78abb78c07c20324135036f1fe75f62f03d8095f233ffdbc"`
[INFO] running `"docker" "rm" "-f" "fabd5fcc3c18b08d78abb78c07c20324135036f1fe75f62f03d8095f233ffdbc"`
[INFO] [stdout] fabd5fcc3c18b08d78abb78c07c20324135036f1fe75f62f03d8095f233ffdbc