[INFO] fetching crate nimiq-key-derivation 0.2.0...
[INFO] checking nimiq-key-derivation-0.2.0 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate nimiq-key-derivation 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nimiq-key-derivation 0.2.0 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nimiq-key-derivation 0.2.0
[INFO] finished tweaking crates.io crate nimiq-key-derivation 0.2.0
[INFO] tweaked toml for crates.io crate nimiq-key-derivation 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa48a3816593a7bb1db61585dfe8252373e7c5c4f577d403078febc148dd9f71
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa48a3816593a7bb1db61585dfe8252373e7c5c4f577d403078febc148dd9f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa48a3816593a7bb1db61585dfe8252373e7c5c4f577d403078febc148dd9f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa48a3816593a7bb1db61585dfe8252373e7c5c4f577d403078febc148dd9f71", kill_on_drop: false }`
[INFO] [stdout] aa48a3816593a7bb1db61585dfe8252373e7c5c4f577d403078febc148dd9f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ac334cd7bcffdcb3ccdd04935daf7ca9830a8111230d2e7f71611c5ca39d217
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ac334cd7bcffdcb3ccdd04935daf7ca9830a8111230d2e7f71611c5ca39d217", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking beserial v0.2.0
[INFO] [stderr]     Checking nimiq-hash v0.2.0
[INFO] [stderr]    Compiling beserial_derive v0.2.0
[INFO] [stderr]     Checking nimiq-keys v0.2.0
[INFO] [stdout] error[E0204]: the trait `Copy` may not be implemented for this type
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-keys-0.2.0/src/errors.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Clone, Copy, Eq, PartialEq, Hash, Debug, Fail)]
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 6 | #[fail(display = "{}", _0)]
[INFO] [stdout] 7 | pub struct KeysError(pub(crate) SignatureError);
[INFO] [stdout]   |                      ------------------------- this field does not implement `Copy`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0204`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nimiq-keys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7ac334cd7bcffdcb3ccdd04935daf7ca9830a8111230d2e7f71611c5ca39d217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac334cd7bcffdcb3ccdd04935daf7ca9830a8111230d2e7f71611c5ca39d217", kill_on_drop: false }`
[INFO] [stdout] 7ac334cd7bcffdcb3ccdd04935daf7ca9830a8111230d2e7f71611c5ca39d217