[INFO] crate grin_util 0.4.2 is already in cache
[INFO] extracting crate grin_util 0.4.2 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/grin_util/0.4.2
[INFO] extracting crate grin_util 0.4.2 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/grin_util/0.4.2
[INFO] validating manifest of grin_util-0.4.2 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grin_util-0.4.2 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grin_util-0.4.2
[INFO] finished frobbing grin_util-0.4.2
[INFO] frobbed toml for grin_util-0.4.2 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/grin_util/0.4.2/Cargo.toml
[INFO] started frobbing grin_util-0.4.2
[INFO] finished frobbing grin_util-0.4.2
[INFO] frobbed toml for grin_util-0.4.2 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/grin_util/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking grin_util-0.4.2 against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-2/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/grin_util/0.4.2:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2e33505d66948f0dbcb03ef0c57df5b6173d0cc4709026e7716a83c9ba3173f3
[INFO] running `"docker" "start" "-a" "2e33505d66948f0dbcb03ef0c57df5b6173d0cc4709026e7716a83c9ba3173f3"`
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.4
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking log4rs v0.8.1
[INFO] [stderr]     Checking grin_util v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/macros.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | macro_rules! impl_array_newtype {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]    --> src/macros.rs:168:1
[INFO] [stderr]     |
[INFO] [stderr] 168 | macro_rules! impl_array_newtype_encodable {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]    --> src/macros.rs:222:1
[INFO] [stderr]     |
[INFO] [stderr] 222 | macro_rules! impl_array_newtype_show {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]    --> src/macros.rs:233:1
[INFO] [stderr]     |
[INFO] [stderr] 233 | macro_rules! impl_index_newtype {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/macros.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | macro_rules! impl_array_newtype {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]    --> src/macros.rs:168:1
[INFO] [stderr]     |
[INFO] [stderr] 168 | macro_rules! impl_array_newtype_encodable {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]    --> src/macros.rs:222:1
[INFO] [stderr]     |
[INFO] [stderr] 222 | macro_rules! impl_array_newtype_show {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]    --> src/macros.rs:233:1
[INFO] [stderr]     |
[INFO] [stderr] 233 | macro_rules! impl_index_newtype {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `"docker" "inspect" "2e33505d66948f0dbcb03ef0c57df5b6173d0cc4709026e7716a83c9ba3173f3"`
[INFO] running `"docker" "rm" "-f" "2e33505d66948f0dbcb03ef0c57df5b6173d0cc4709026e7716a83c9ba3173f3"`
[INFO] [stdout] 2e33505d66948f0dbcb03ef0c57df5b6173d0cc4709026e7716a83c9ba3173f3