[INFO] crate fselect 0.6.7 is already in cache
[INFO] checking fselect-0.6.7 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate fselect 0.6.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fselect 0.6.7 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fselect 0.6.7
[INFO] finished tweaking crates.io crate fselect 0.6.7
[INFO] tweaked toml for crates.io crate fselect 0.6.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate fselect 0.6.7 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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=forbid" "-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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 462a8c67c791aece3426d892198cc6b6f81831ab3abb9cd765ab3056a3cc9637
[INFO] running `"docker" "start" "-a" "462a8c67c791aece3426d892198cc6b6f81831ab3abb9cd765ab3056a3cc9637"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking scanlex v0.1.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking bitstream-io v0.8.4
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking mp3-metadata v0.3.2
[INFO] [stderr]     Checking kamadak-exif v0.3.1
[INFO] [stderr]     Checking imagesize v0.8.0
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]     Checking bitreader v0.3.2
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking mp4parse v0.11.2
[INFO] [stderr]     Checking lscolors v0.6.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking chrono-english v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking matroska v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking tree_magic v0.2.1
[INFO] [stderr]     Checking wana_kana v0.9.3
[INFO] [stderr] error[E0277]: cannot add `&&mut std::borrow::Cow<'_, str>` to `std::string::String`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wana_kana-0.9.3/src/to_romaji.rs:56:92
[INFO] [stderr]    |
[INFO] [stderr] 56 |                     *roma_charo = Cow::from(roma_charo.chars().nth(0).unwrap().to_string() + &roma_charo);
[INFO] [stderr]    |                                                                                            ^ no implementation for `std::string::String + &&mut std::borrow::Cow<'_, str>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::ops::Add<&&mut std::borrow::Cow<'_, str>>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `wana_kana`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "462a8c67c791aece3426d892198cc6b6f81831ab3abb9cd765ab3056a3cc9637"`
[INFO] running `"docker" "rm" "-f" "462a8c67c791aece3426d892198cc6b6f81831ab3abb9cd765ab3056a3cc9637"`
[INFO] [stdout] 462a8c67c791aece3426d892198cc6b6f81831ab3abb9cd765ab3056a3cc9637