[INFO] crate trust-dns-https 0.1.0 is already in cache
[INFO] extracting crate trust-dns-https 0.1.0 into work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/trust-dns-https/0.1.0
[INFO] extracting crate trust-dns-https 0.1.0 into work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/trust-dns-https/0.1.0
[INFO] validating manifest of trust-dns-https-0.1.0 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 trust-dns-https-0.1.0 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 trust-dns-https-0.1.0
[INFO] finished frobbing trust-dns-https-0.1.0
[INFO] frobbed toml for trust-dns-https-0.1.0 written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/trust-dns-https/0.1.0/Cargo.toml
[INFO] started frobbing trust-dns-https-0.1.0
[INFO] finished frobbing trust-dns-https-0.1.0
[INFO] frobbed toml for trust-dns-https-0.1.0 written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/trust-dns-https/0.1.0/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 trust-dns-https-0.1.0 against try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-6/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/trust-dns-https/0.1.0:/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" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7255c7a6b7220508c839f10dc60772c36abf8d854ef690e7311877a57d903042
[INFO] running `"docker" "start" "-a" "7255c7a6b7220508c839f10dc60772c36abf8d854ef690e7311877a57d903042"`
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking typed-headers v0.1.0
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking rustls v0.14.0
[INFO] [stderr]     Checking webpki-roots v0.15.0
[INFO] [stderr]     Checking tokio-rustls v0.8.0
[INFO] [stderr]     Checking trust-dns-rustls v0.4.0
[INFO] [stderr]     Checking trust-dns-https v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: type vs variant ambiguity
[INFO] [stderr]    --> src/https_server.rs:100:44
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[forbid(type_vs_variant_ambiguity)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `trust-dns-https`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: type vs variant ambiguity
[INFO] [stderr]    --> src/https_server.rs:100:44
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[forbid(type_vs_variant_ambiguity)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `trust-dns-https`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7255c7a6b7220508c839f10dc60772c36abf8d854ef690e7311877a57d903042"`
[INFO] running `"docker" "rm" "-f" "7255c7a6b7220508c839f10dc60772c36abf8d854ef690e7311877a57d903042"`
[INFO] [stdout] 7255c7a6b7220508c839f10dc60772c36abf8d854ef690e7311877a57d903042