[INFO] crate ring 0.14.6 is already in cache
[INFO] extracting crate ring 0.14.6 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/ring/0.14.6
[INFO] extracting crate ring 0.14.6 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/ring/0.14.6
[INFO] validating manifest of ring-0.14.6 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ring-0.14.6 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ring-0.14.6
[INFO] finished frobbing ring-0.14.6
[INFO] frobbed toml for ring-0.14.6 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/ring/0.14.6/Cargo.toml
[INFO] started frobbing ring-0.14.6
[INFO] finished frobbing ring-0.14.6
[INFO] frobbed toml for ring-0.14.6 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/ring/0.14.6/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ring-0.14.6 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-3/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/ring/0.14.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 729976f5e8da8988f11610864bb95c2c1325e3fd40e3aaa4d71dc17e31f0e6e8
[INFO] running `"docker" "start" "-a" "729976f5e8da8988f11610864bb95c2c1325e3fd40e3aaa4d71dc17e31f0e6e8"`
[INFO] [stderr]    Compiling ring v0.14.6 (/opt/crater/workdir)
[INFO] [stderr] error: the item `ToOwned` is imported redundantly
[INFO] [stderr]    --> src/rsa/bigint.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |         use std::borrow::ToOwned;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:60:5
[INFO] [stderr]     |
[INFO] [stderr] 60  |     warnings
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     = note: #[forbid(unused_imports)] implied by #[forbid(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: the item `ToOwned` is imported redundantly
[INFO] [stderr]    --> src/rsa/bigint.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |         use std::borrow::ToOwned;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: the item `ToOwned` is imported redundantly
[INFO] [stderr]    --> src/rsa/bigint.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |         use std::borrow::ToOwned;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:60:5
[INFO] [stderr]     |
[INFO] [stderr] 60  |     warnings
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     = note: #[forbid(unused_imports)] implied by #[forbid(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: the item `ToOwned` is imported redundantly
[INFO] [stderr]    --> src/rsa/bigint.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |         use std::borrow::ToOwned;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ring`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ring`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "729976f5e8da8988f11610864bb95c2c1325e3fd40e3aaa4d71dc17e31f0e6e8"`
[INFO] running `"docker" "rm" "-f" "729976f5e8da8988f11610864bb95c2c1325e3fd40e3aaa4d71dc17e31f0e6e8"`
[INFO] [stdout] 729976f5e8da8988f11610864bb95c2c1325e3fd40e3aaa4d71dc17e31f0e6e8