[INFO] crate debug_stub_derive 0.3.0 is already in cache
[INFO] extracting crate debug_stub_derive 0.3.0 into work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/debug_stub_derive/0.3.0
[INFO] extracting crate debug_stub_derive 0.3.0 into work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/debug_stub_derive/0.3.0
[INFO] validating manifest of debug_stub_derive-0.3.0 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 debug_stub_derive-0.3.0 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 debug_stub_derive-0.3.0
[INFO] finished frobbing debug_stub_derive-0.3.0
[INFO] frobbed toml for debug_stub_derive-0.3.0 written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/debug_stub_derive/0.3.0/Cargo.toml
[INFO] started frobbing debug_stub_derive-0.3.0
[INFO] finished frobbing debug_stub_derive-0.3.0
[INFO] frobbed toml for debug_stub_derive-0.3.0 written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/debug_stub_derive/0.3.0/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 debug_stub_derive-0.3.0 against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-1/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/debug_stub_derive/0.3.0:/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] 80a6204b0ec1daa8b7b411f3ce08de8d8954d277a3b71e814a92550ed5429b03
[INFO] running `"docker" "start" "-a" "80a6204b0ec1daa8b7b411f3ce08de8d8954d277a3b71e814a92550ed5429b03"`
[INFO] [stderr]    Compiling debug_stub_derive v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> tests/lib.rs:413:9
[INFO] [stderr]     |
[INFO] [stderr] 413 |     let f = {
[INFO] [stderr]     |         ^ help: consider using `_f` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `string`
[INFO] [stderr]   --> tests/lib.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         string: String
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `b`
[INFO] [stderr]   --> tests/lib.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         b: StructWithoutDebug
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `string`
[INFO] [stderr]    --> tests/lib.rs:558:9
[INFO] [stderr]     |
[INFO] [stderr] 558 |         string: String
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `b`
[INFO] [stderr]    --> tests/lib.rs:572:13
[INFO] [stderr]     |
[INFO] [stderr] 572 |             b: StructWithoutDebug,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "80a6204b0ec1daa8b7b411f3ce08de8d8954d277a3b71e814a92550ed5429b03"`
[INFO] running `"docker" "rm" "-f" "80a6204b0ec1daa8b7b411f3ce08de8d8954d277a3b71e814a92550ed5429b03"`
[INFO] [stdout] 80a6204b0ec1daa8b7b411f3ce08de8d8954d277a3b71e814a92550ed5429b03