[INFO] crate oysterpack_built 0.3.2 is already in cache
[INFO] extracting crate oysterpack_built 0.3.2 into work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/oysterpack_built/0.3.2
[INFO] extracting crate oysterpack_built 0.3.2 into work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/oysterpack_built/0.3.2
[INFO] validating manifest of oysterpack_built-0.3.2 on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of oysterpack_built-0.3.2 on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing oysterpack_built-0.3.2
[INFO] finished frobbing oysterpack_built-0.3.2
[INFO] frobbed toml for oysterpack_built-0.3.2 written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/oysterpack_built/0.3.2/Cargo.toml
[INFO] started frobbing oysterpack_built-0.3.2
[INFO] finished frobbing oysterpack_built-0.3.2
[INFO] frobbed toml for oysterpack_built-0.3.2 written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/oysterpack_built/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking oysterpack_built-0.3.2 against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-5/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/oysterpack_built/0.3.2:/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" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a900fd509390b243d922a0577b86a7210ff99229bf62643704d353d57653600c
[INFO] running `"docker" "start" "-a" "a900fd509390b243d922a0577b86a7210ff99229bf62643704d353d57653600c"`
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking jobserver v0.1.12
[INFO] [stderr]     Checking tar v0.4.20
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking curl v0.4.19
[INFO] [stderr]     Checking oysterpack_testing v0.1.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking rustfix v0.4.4
[INFO] [stderr]     Checking rand v0.6.4
[INFO] [stderr]     Checking crates-io v0.18.0
[INFO] [stderr]     Checking tempfile v3.0.5
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking ignore v0.4.6
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking git2-curl v0.8.2
[INFO] [stderr]     Checking built v0.3.0
[INFO] [stderr]     Checking cargo v0.30.0
[INFO] [stderr]     Checking oysterpack_built v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/build_time/mod.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     writeln!(file, "{}", file_contents);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/build_time/mod.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     writeln!(file, "{}", file_contents);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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 1m 19s
[INFO] running `"docker" "inspect" "a900fd509390b243d922a0577b86a7210ff99229bf62643704d353d57653600c"`
[INFO] running `"docker" "rm" "-f" "a900fd509390b243d922a0577b86a7210ff99229bf62643704d353d57653600c"`
[INFO] [stdout] a900fd509390b243d922a0577b86a7210ff99229bf62643704d353d57653600c