[INFO] crate onionsalt 0.4.2 is already in cache
[INFO] extracting crate onionsalt 0.4.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/onionsalt/0.4.2
[INFO] extracting crate onionsalt 0.4.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/onionsalt/0.4.2
[INFO] validating manifest of onionsalt-0.4.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of onionsalt-0.4.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing onionsalt-0.4.2
[INFO] finished frobbing onionsalt-0.4.2
[INFO] frobbed toml for onionsalt-0.4.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/onionsalt/0.4.2/Cargo.toml
[INFO] started frobbing onionsalt-0.4.2
[INFO] finished frobbing onionsalt-0.4.2
[INFO] frobbed toml for onionsalt-0.4.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/onionsalt/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building onionsalt-0.4.2 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/onionsalt/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 650bc39a844914edbd303abcbe0f3dc0e3c9bb4e4c0eea105e0321f1fc4eafd2
[INFO] running `"docker" "start" "-a" "650bc39a844914edbd303abcbe0f3dc0e3c9bb4e4c0eea105e0321f1fc4eafd2"`
[INFO] [stderr]    Compiling arrayref v0.2.2
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr]    Compiling serde_json v0.6.1
[INFO] [stderr]    Compiling onionsalt v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] error: unused import: `Deserialize`
[INFO] [stderr]    --> src/crypto/mod.rs:454:29
[INFO] [stderr]     |
[INFO] [stderr] 454 |             use serde::de::{Deserialize,Error};
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/crypto/mod.rs:74:9
[INFO] [stderr]     |
[INFO] [stderr] 74  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[deny(unused_imports)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `Deserialize`
[INFO] [stderr]    --> src/crypto/mod.rs:545:29
[INFO] [stderr]     |
[INFO] [stderr] 545 |             use serde::de::{Deserialize,Error};
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unused import: `Deserialize`
[INFO] [stderr]    --> src/crypto/mod.rs:588:29
[INFO] [stderr]     |
[INFO] [stderr] 588 |             use serde::de::{Deserialize,Error};
[INFO] [stderr]     |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `onionsalt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "650bc39a844914edbd303abcbe0f3dc0e3c9bb4e4c0eea105e0321f1fc4eafd2"`
[INFO] running `"docker" "rm" "-f" "650bc39a844914edbd303abcbe0f3dc0e3c9bb4e4c0eea105e0321f1fc4eafd2"`
[INFO] [stdout] 650bc39a844914edbd303abcbe0f3dc0e3c9bb4e4c0eea105e0321f1fc4eafd2