[INFO] updating cached repository https://github.com/ZiCog/insane-british-anagram-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 60d8386824dc60406e1f19a20113da2c8592e160
[INFO] checking ZiCog/insane-british-anagram-rust against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Finsane-british-anagram-rust" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZiCog/insane-british-anagram-rust on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ZiCog/insane-british-anagram-rust
[INFO] finished tweaking git repo https://github.com/ZiCog/insane-british-anagram-rust
[INFO] tweaked toml for git repo https://github.com/ZiCog/insane-british-anagram-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ZiCog/insane-british-anagram-rust 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2ee9b1921059a34da138bd6731813ba69577278cd0e8e2469a915786b8b68c3d
[INFO] running `"docker" "start" "-a" "2ee9b1921059a34da138bd6731813ba69577278cd0e8e2469a915786b8b68c3d"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.48
[INFO] [stderr]    Compiling bumpalo v2.5.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.48
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling typename_derive v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.48
[INFO] [stderr]     Checking typename v0.1.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.48
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.48
[INFO] [stderr]     Checking js-sys v0.3.25
[INFO] [stderr]    Compiling web-sys v0.3.25
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking insane-british-anagram v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: crate `insaneHTTP` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `insane_http`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add `&std::borrow::Cow<'_, str>` to `std::string::String`
[INFO] [stderr]    --> src/insane-british-anagram-3.rs:121:45
[INFO] [stderr]     |
[INFO] [stderr] 121 | ...                   output = output + &word;
[INFO] [stderr]     |                                       ^ no implementation for `std::string::String + &std::borrow::Cow<'_, str>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Add<&std::borrow::Cow<'_, str>>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add `&std::borrow::Cow<'_, str>` to `std::string::String`
[INFO] [stderr]    --> src/insane-british-anagram-3.rs:127:49
[INFO] [stderr]     |
[INFO] [stderr] 127 | ...                   output = output + &word;
[INFO] [stderr]     |                                       ^ no implementation for `std::string::String + &std::borrow::Cow<'_, str>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Add<&std::borrow::Cow<'_, str>>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `insane-british-anagram`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: cannot add-assign `&std::borrow::Cow<'_, str>` to `std::string::String`
[INFO] [stderr]   --> src/main.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     output += &String::from_utf8_lossy(word);
[INFO] [stderr]    |                            ^^ no implementation for `std::string::String += &std::borrow::Cow<'_, str>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::ops::AddAssign<&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 `insane-british-anagram`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: crate `insaneHTTP` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `insane_http`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add-assign `&std::borrow::Cow<'_, str>` to `std::string::String`
[INFO] [stderr]   --> src/main.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     output += &String::from_utf8_lossy(word);
[INFO] [stderr]    |                            ^^ no implementation for `std::string::String += &std::borrow::Cow<'_, str>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::ops::AddAssign<&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 `insane-british-anagram`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2ee9b1921059a34da138bd6731813ba69577278cd0e8e2469a915786b8b68c3d"`
[INFO] running `"docker" "rm" "-f" "2ee9b1921059a34da138bd6731813ba69577278cd0e8e2469a915786b8b68c3d"`
[INFO] [stdout] 2ee9b1921059a34da138bd6731813ba69577278cd0e8e2469a915786b8b68c3d