[INFO] crate arkecosystem-crypto 0.1.0 is already in cache
[INFO] checking arkecosystem-crypto-0.1.0 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate arkecosystem-crypto 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate arkecosystem-crypto 0.1.0 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arkecosystem-crypto 0.1.0
[INFO] finished tweaking crates.io crate arkecosystem-crypto 0.1.0
[INFO] tweaked toml for crates.io crate arkecosystem-crypto 0.1.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 963629b6f6978f97854d0f98443441aad4ae3dd3ad56bbc45e1843a30ff0038c
[INFO] running `"docker" "start" "-a" "963629b6f6978f97854d0f98443441aad4ae3dd3ad56bbc45e1843a30ff0038c"`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking bech32 v0.5.0
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking bitcoin-bech32 v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling secp256k1 v0.11.6
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking bitcoin v0.14.2
[INFO] [stderr]     Checking arkecosystem-crypto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: cannot add `&mut std::string::String` to `std::string::String`
[INFO] [stderr]    --> src/transactions/deserializer.rs:294:46
[INFO] [stderr]     |
[INFO] [stderr] 294 |                     *key = String::from("+") + key;
[INFO] [stderr]     |                                              ^ no implementation for `std::string::String + &mut std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Add<&mut std::string::String>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: cannot add `&mut std::string::String` to `std::string::String`
[INFO] [stderr]    --> src/transactions/deserializer.rs:294:46
[INFO] [stderr]     |
[INFO] [stderr] 294 |                     *key = String::from("+") + key;
[INFO] [stderr]     |                                              ^ no implementation for `std::string::String + &mut std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Add<&mut std::string::String>` 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 `arkecosystem-crypto`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `arkecosystem-crypto`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "963629b6f6978f97854d0f98443441aad4ae3dd3ad56bbc45e1843a30ff0038c"`
[INFO] running `"docker" "rm" "-f" "963629b6f6978f97854d0f98443441aad4ae3dd3ad56bbc45e1843a30ff0038c"`
[INFO] [stdout] 963629b6f6978f97854d0f98443441aad4ae3dd3ad56bbc45e1843a30ff0038c