[INFO] crate kg-js 0.1.1 is already in cache
[INFO] checking kg-js-0.1.1 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate kg-js 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate kg-js 0.1.1 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kg-js 0.1.1
[INFO] finished tweaking crates.io crate kg-js 0.1.1
[INFO] tweaked toml for crates.io crate kg-js 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 4a9db65fae2fb8c8850d71207b92287a3708c46cba36689f4442452562bc377e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4a9db65fae2fb8c8850d71207b92287a3708c46cba36689f4442452562bc377e"`
[INFO] [stderr]     Checking rlibc v1.0.0
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking kg-utils v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling synstructure v0.5.2
[INFO] [stderr]    Compiling kg-js v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nom v5.0.1
[INFO] [stderr]    Compiling kg-utils v0.2.4
[INFO] [stderr]    Compiling heapsize_derive v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking kg-symbol v0.1.10
[INFO] [stderr]     Checking kg-display v0.1.2
[INFO] [stderr]    Compiling synstructure v0.11.0
[INFO] [stderr]    Compiling kg-display-derive v0.1.1
[INFO] [stderr]    Compiling kg-diag v0.2.7
[INFO] [stderr]    Compiling kg-diag-derive v0.2.3
[INFO] [stderr]     Checking kg-tree v0.1.7
[INFO] [stderr] error[E0277]: cannot add `&std::borrow::Cow<'_, str>` to `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-tree-0.1.7/src/opath/expr/func.rs:969:63
[INFO] [stderr]     |
[INFO] [stderr] 969 |                     let s = String::with_capacity(256) + "@." + &s;
[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]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/kg-tree-0.1.7/src/opath/expr/func.rs:970:46
[INFO] [stderr]     |
[INFO] [stderr] 970 |                     let opath = Opath::parse(&s).map_err(|d| FuncCallErrorDetail::parse_err(d))?;
[INFO] [stderr]     |                                              ^^ doesn't have a size known at compile-time
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]     = note: all local variables must have a statically known size
[INFO] [stderr]     = help: unsized locals are gated as an unstable feature
[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 `kg-tree`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4a9db65fae2fb8c8850d71207b92287a3708c46cba36689f4442452562bc377e"`
[INFO] running `"docker" "rm" "-f" "4a9db65fae2fb8c8850d71207b92287a3708c46cba36689f4442452562bc377e"`
[INFO] [stdout] 4a9db65fae2fb8c8850d71207b92287a3708c46cba36689f4442452562bc377e