[INFO] crate solana-stake-tests 0.20.5 is already in cache
[INFO] checking solana-stake-tests-0.20.5 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate solana-stake-tests 0.20.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate solana-stake-tests 0.20.5 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate solana-stake-tests 0.20.5
[INFO] finished tweaking crates.io crate solana-stake-tests 0.20.5
[INFO] tweaked toml for crates.io crate solana-stake-tests 0.20.5 written to /workspace/builds/worker-6/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 37f33ab7495de77025ad43b8d4c5abc6180ac164a4c8d40cb2bdbfa8734c3821
[INFO] running `"docker" "start" "-a" "37f33ab7495de77025ad43b8d4c5abc6180ac164a4c8d40cb2bdbfa8734c3821"`
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking bloom v0.3.2
[INFO] [stderr]     Checking ar v0.6.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking syn v1.0.11
[INFO] [stderr]    Compiling sys-info v0.5.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking solana-logger v0.20.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking solana-rayon-threadlimit v0.20.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking bincode v1.2.0
[INFO] [stderr]     Checking bv v0.11.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking solana-ed25519-dalek v0.2.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking elfkit v0.0.6
[INFO] [stderr]     Checking reqwest v0.9.22
[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/elfkit-0.0.6/src/loader.rs:178:50
[INFO] [stderr]     |
[INFO] [stderr] 178 | ...                   &(String::from("::") +
[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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/elfkit-0.0.6/src/symbolic_linker.rs:156:47
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 name:       name.clone() + "("+ &String::from_utf8_lossy(&sec.name) + ")",
[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 `elfkit`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "37f33ab7495de77025ad43b8d4c5abc6180ac164a4c8d40cb2bdbfa8734c3821"`
[INFO] running `"docker" "rm" "-f" "37f33ab7495de77025ad43b8d4c5abc6180ac164a4c8d40cb2bdbfa8734c3821"`
[INFO] [stdout] 37f33ab7495de77025ad43b8d4c5abc6180ac164a4c8d40cb2bdbfa8734c3821