[INFO] fetching crate univstring 0.4.3...
[INFO] checking univstring-0.4.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate univstring 0.4.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate univstring 0.4.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate univstring 0.4.3
[INFO] finished tweaking crates.io crate univstring 0.4.3
[INFO] tweaked toml for crates.io crate univstring 0.4.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1352ec80fcdfc7855acdd137b5c83735692fa367cc4ea31a3d0377c95e55c28f
[INFO] running `Command { std: "docker" "start" "-a" "1352ec80fcdfc7855acdd137b5c83735692fa367cc4ea31a3d0377c95e55c28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1352ec80fcdfc7855acdd137b5c83735692fa367cc4ea31a3d0377c95e55c28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1352ec80fcdfc7855acdd137b5c83735692fa367cc4ea31a3d0377c95e55c28f", kill_on_drop: false }`
[INFO] [stdout] 1352ec80fcdfc7855acdd137b5c83735692fa367cc4ea31a3d0377c95e55c28f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5005490959f6721d7dbf1e2b68af82c8077bda5ce6cabc9570777ce7f580c5f2
[INFO] running `Command { std: "docker" "start" "-a" "5005490959f6721d7dbf1e2b68af82c8077bda5ce6cabc9570777ce7f580c5f2", kill_on_drop: false }`
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]     Checking univstring v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:175:107
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...ng::new(WideCStr::to_string(self)?).map(Cow::Owned).map_err(Into::into) }
[INFO] [stdout]     |                                ^^^^ expected struct `widestring::UCStr`, found struct `widestring::UCString`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&widestring::UCStr<u32>`
[INFO] [stdout]                found reference `&widestring::UCString<u16>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `univstring`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:175:107
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...ng::new(WideCStr::to_string(self)?).map(Cow::Owned).map_err(Into::into) }
[INFO] [stdout]     |                                ^^^^ expected struct `widestring::UCStr`, found struct `widestring::UCString`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&widestring::UCStr<u32>`
[INFO] [stdout]                found reference `&widestring::UCString<u16>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5005490959f6721d7dbf1e2b68af82c8077bda5ce6cabc9570777ce7f580c5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5005490959f6721d7dbf1e2b68af82c8077bda5ce6cabc9570777ce7f580c5f2", kill_on_drop: false }`
[INFO] [stdout] 5005490959f6721d7dbf1e2b68af82c8077bda5ce6cabc9570777ce7f580c5f2