[INFO] crate text-transliterate 2.0.0 is already in cache
[INFO] testing text-transliterate-2.0.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate text-transliterate 2.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate text-transliterate 2.0.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate text-transliterate 2.0.0
[INFO] finished tweaking crates.io crate text-transliterate 2.0.0
[INFO] tweaked toml for crates.io crate text-transliterate 2.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b683d4017775f4b330a75dd5cd73071f889aadd8ab955ee449e30f552c12d6b0
[INFO] running `"docker" "start" "-a" "b683d4017775f4b330a75dd5cd73071f889aadd8ab955ee449e30f552c12d6b0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling piper v0.1.3
[INFO] [stderr]    Compiling smol v0.1.11
[INFO] [stderr]    Compiling async-std v1.6.0
[INFO] [stderr]    Compiling text-transliterate v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/transliterate_off_thread.rs:169:16
[INFO] [stderr]     |
[INFO] [stderr] 169 |         if let Some(result) = receiver.recv().await {
[INFO] [stderr]     |                ^^^^^^^^^^^^   --------------------- this expression has type `std::result::Result<std::result::Result<std::string::String, transliterate::TransliterationError>, async_std::sync::channel::RecvError>`
[INFO] [stderr]     |                |
[INFO] [stderr]     |                expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::result::Result<std::result::Result<std::string::String, transliterate::TransliterationError>, async_std::sync::channel::RecvError>`
[INFO] [stderr]                found enum `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `text-transliterate`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b683d4017775f4b330a75dd5cd73071f889aadd8ab955ee449e30f552c12d6b0"`
[INFO] running `"docker" "rm" "-f" "b683d4017775f4b330a75dd5cd73071f889aadd8ab955ee449e30f552c12d6b0"`
[INFO] [stdout] b683d4017775f4b330a75dd5cd73071f889aadd8ab955ee449e30f552c12d6b0