[INFO] fetching crate univstring 0.4.3...
[INFO] testing univstring-0.4.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate univstring 0.4.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate univstring 0.4.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6629696aad43e3f4d2b4a156ac361924068687e61ba8e36166c7a59a84822fc6
[INFO] running `Command { std: "docker" "start" "-a" "6629696aad43e3f4d2b4a156ac361924068687e61ba8e36166c7a59a84822fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6629696aad43e3f4d2b4a156ac361924068687e61ba8e36166c7a59a84822fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6629696aad43e3f4d2b4a156ac361924068687e61ba8e36166c7a59a84822fc6", kill_on_drop: false }`
[INFO] [stdout] 6629696aad43e3f4d2b4a156ac361924068687e61ba8e36166c7a59a84822fc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28c6ca120d70dde272e39a16461c1c91d636322deb0527b7b186b18188c27330
[INFO] running `Command { std: "docker" "start" "-a" "28c6ca120d70dde272e39a16461c1c91d636322deb0527b7b186b18188c27330", kill_on_drop: false }`
[INFO] [stderr]    Compiling widestring v0.4.3
[INFO] [stderr]    Compiling 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 | ...ror<CNulError>> { CString::new(WideCStr::to_string(self)?).map(Cow::Owned).map_err(Into::into) }
[INFO] [stdout]     |                                   ------------------- ^^^^ expected `&UCStr<u32>`, found `&UCString<u16>`
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&widestring::UCStr<u32>`
[INFO] [stdout]                found reference `&widestring::UCString<u16>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/widestring-0.4.3/src/ucstr.rs:489:12
[INFO] [stdout]     |
[INFO] [stdout] 489 |     pub fn to_string(&self) -> Result<String, crate::FromUtf32Error> {
[INFO] [stdout]     |            ^^^^^^^^^
[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` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "28c6ca120d70dde272e39a16461c1c91d636322deb0527b7b186b18188c27330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c6ca120d70dde272e39a16461c1c91d636322deb0527b7b186b18188c27330", kill_on_drop: false }`
[INFO] [stdout] 28c6ca120d70dde272e39a16461c1c91d636322deb0527b7b186b18188c27330
[INFO] testing univstring-0.4.3 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate univstring 0.4.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate univstring 0.4.3 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52cb097370f27f92ef8867df712c3025441aee2e157080d9834b03066cdc39d
[INFO] running `Command { std: "docker" "start" "-a" "e52cb097370f27f92ef8867df712c3025441aee2e157080d9834b03066cdc39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52cb097370f27f92ef8867df712c3025441aee2e157080d9834b03066cdc39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52cb097370f27f92ef8867df712c3025441aee2e157080d9834b03066cdc39d", kill_on_drop: false }`
[INFO] [stdout] e52cb097370f27f92ef8867df712c3025441aee2e157080d9834b03066cdc39d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cf304eb2d3078ee931e86c6566dba8fcb10c571e30ce8dec516328d7dbb86ff
[INFO] running `Command { std: "docker" "start" "-a" "0cf304eb2d3078ee931e86c6566dba8fcb10c571e30ce8dec516328d7dbb86ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling widestring v0.4.3
[INFO] [stderr]    Compiling 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 | ...ror<CNulError>> { CString::new(WideCStr::to_string(self)?).map(Cow::Owned).map_err(Into::into) }
[INFO] [stdout]     |                                   ------------------- ^^^^ expected `&UCStr<u32>`, found `&UCString<u16>`
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&widestring::UCStr<u32>`
[INFO] [stdout]                found reference `&widestring::UCString<u16>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/widestring-0.4.3/src/ucstr.rs:489:12
[INFO] [stdout]     |
[INFO] [stdout] 489 |     pub fn to_string(&self) -> Result<String, crate::FromUtf32Error> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0cf304eb2d3078ee931e86c6566dba8fcb10c571e30ce8dec516328d7dbb86ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf304eb2d3078ee931e86c6566dba8fcb10c571e30ce8dec516328d7dbb86ff", kill_on_drop: false }`
[INFO] [stdout] 0cf304eb2d3078ee931e86c6566dba8fcb10c571e30ce8dec516328d7dbb86ff
