[INFO] updating cached repository sile/dg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sile/dg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sile/dg" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sile/dg"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sile/dg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sile/dg" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sile/dg"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sile/dg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ba3f6e789448c0c02fd7b8d4dbcdb3faf74603a
[INFO] sha for GitHub repo sile/dg: 0ba3f6e789448c0c02fd7b8d4dbcdb3faf74603a
[INFO] validating manifest of sile/dg on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sile/dg on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sile/dg
[INFO] finished frobbing sile/dg
[INFO] frobbed toml for sile/dg written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sile/dg/Cargo.toml
[INFO] started frobbing sile/dg
[INFO] finished frobbing sile/dg
[INFO] frobbed toml for sile/dg written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/sile/dg/Cargo.toml
[INFO] crate sile/dg has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sile/dg against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sile/dg:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 88af17f144f1f899e9d5df1f7ce030d7598f3930c33fedf58dfcd8df6ab29c49
[INFO] running `"docker" "start" "-a" "88af17f144f1f899e9d5df1f7ce030d7598f3930c33fedf58dfcd8df6ab29c49"`
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling slog v2.2.3
[INFO] [stderr]    Compiling atomic_immut v0.1.4
[INFO] [stderr]    Compiling nbchan v0.1.2
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling inotify-sys v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling scalable_cuckoo_filter v0.1.2
[INFO] [stderr]    Compiling inotify v0.5.1
[INFO] [stderr]    Compiling chrono v0.4.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling fibers v0.1.10
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-stdlog v3.0.2
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling fibers_inotify v0.1.1
[INFO] [stderr]    Compiling sloggers v0.2.7
[INFO] [stderr]    Compiling prometrics v0.1.11
[INFO] [stderr]    Compiling tasque v0.1.4
[INFO] [stderr]    Compiling fibers_tasque v0.1.1
[INFO] [stderr]    Compiling dg 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/error.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this error 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 53.29s
[INFO] running `"docker" "inspect" "88af17f144f1f899e9d5df1f7ce030d7598f3930c33fedf58dfcd8df6ab29c49"`
[INFO] running `"docker" "rm" "-f" "88af17f144f1f899e9d5df1f7ce030d7598f3930c33fedf58dfcd8df6ab29c49"`
[INFO] [stdout] 88af17f144f1f899e9d5df1f7ce030d7598f3930c33fedf58dfcd8df6ab29c49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sile/dg:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 47d6074901452c897196266ba3b5fb6d9f9cd09196c23aa107b667e23cd32a9a
[INFO] running `"docker" "start" "-a" "47d6074901452c897196266ba3b5fb6d9f9cd09196c23aa107b667e23cd32a9a"`
[INFO] [stderr]    Compiling dg 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/error.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this error 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 1.09s
[INFO] running `"docker" "inspect" "47d6074901452c897196266ba3b5fb6d9f9cd09196c23aa107b667e23cd32a9a"`
[INFO] running `"docker" "rm" "-f" "47d6074901452c897196266ba3b5fb6d9f9cd09196c23aa107b667e23cd32a9a"`
[INFO] [stdout] 47d6074901452c897196266ba3b5fb6d9f9cd09196c23aa107b667e23cd32a9a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/sile/dg:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 15e2b40a68d2bf8dbcab876f3ffbe5023dce55479ee5d304e968f798e94f9ab4
[INFO] running `"docker" "start" "-a" "15e2b40a68d2bf8dbcab876f3ffbe5023dce55479ee5d304e968f798e94f9ab4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dg-3247ae9349bd146e
[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] [stderr]      Running /opt/crater/target/debug/deps/dg-75f489da313f466b
[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] [stderr]    Doc-tests dg
[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" "15e2b40a68d2bf8dbcab876f3ffbe5023dce55479ee5d304e968f798e94f9ab4"`
[INFO] running `"docker" "rm" "-f" "15e2b40a68d2bf8dbcab876f3ffbe5023dce55479ee5d304e968f798e94f9ab4"`
[INFO] [stdout] 15e2b40a68d2bf8dbcab876f3ffbe5023dce55479ee5d304e968f798e94f9ab4