[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-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/reg/debug_stub_derive/0.3.0
[INFO] extracting crate debug_stub_derive 0.3.0 into work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/debug_stub_derive/0.3.0
[INFO] validating manifest of debug_stub_derive-0.3.0 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of debug_stub_derive-0.3.0 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-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-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/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-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/reg/debug_stub_derive/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking debug_stub_derive-0.3.0 against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-6/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7282bba6079313b8d6a9f8337e0b25b54abf8c512902d00b0fe8e04b597e630d
[INFO] running `"docker" "start" "-a" "7282bba6079313b8d6a9f8337e0b25b54abf8c512902d00b0fe8e04b597e630d"`
[INFO] [stderr]     Checking syn v0.11.11
[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 prefixing with an underscore: `_f`
[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 3.26s
[INFO] running `"docker" "inspect" "7282bba6079313b8d6a9f8337e0b25b54abf8c512902d00b0fe8e04b597e630d"`
[INFO] running `"docker" "rm" "-f" "7282bba6079313b8d6a9f8337e0b25b54abf8c512902d00b0fe8e04b597e630d"`
[INFO] [stdout] 7282bba6079313b8d6a9f8337e0b25b54abf8c512902d00b0fe8e04b597e630d