[INFO] fetching crate nimiq-client 0.2.0...
[INFO] testing nimiq-client-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nimiq-client 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nimiq-client 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nimiq-client 0.2.0
[INFO] finished tweaking crates.io crate nimiq-client 0.2.0
[INFO] tweaked toml for crates.io crate nimiq-client 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate nimiq-client 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-fs v0.1.6
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.3
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]   Downloaded openssl v0.10.25
[INFO] [stderr]   Downloaded dtoa v0.4.4
[INFO] [stderr]   Downloaded url v2.1.0
[INFO] [stderr]   Downloaded publicsuffix v1.5.3
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded log-panics v2.0.0
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded cgmath v0.16.1
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded tokio-timer v0.2.11
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded tokio-sync v0.1.7
[INFO] [stderr]   Downloaded tokio-io v0.1.12
[INFO] [stderr]   Downloaded tokio-reactor v0.1.10
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] [stderr]   Downloaded idna v0.2.0
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded tokio-tcp v0.1.3
[INFO] [stderr]   Downloaded atomic v0.4.5
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.16
[INFO] [stderr]   Downloaded tokio-udp v0.1.5
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded owning_ref v0.4.0
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.6
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded lock_api v0.3.1
[INFO] [stderr]   Downloaded tokio-executor v0.1.8
[INFO] [stderr]   Downloaded error-chain v0.12.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.20
[INFO] [stderr]   Downloaded unicase v2.5.1
[INFO] [stderr]   Downloaded data-encoding v2.1.2
[INFO] [stderr]   Downloaded nimiq-rpc-server v0.2.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded nimiq-metrics-server v0.2.0
[INFO] [stderr]   Downloaded subtle v2.2.1
[INFO] [stderr]   Downloaded rgb v0.8.14
[INFO] [stderr]   Downloaded human-panic v1.0.1
[INFO] [stderr]   Downloaded nimiq-lib v0.2.0
[INFO] [stderr]   Downloaded weak-table v0.2.3
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.9
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded num_cpus v1.11.0
[INFO] [stderr]   Downloaded smallvec v0.6.13
[INFO] [stderr]   Downloaded vcpkg v0.2.7
[INFO] [stderr]   Downloaded clear_on_drop v0.2.3
[INFO] [stderr]   Downloaded miniz_oxide v0.3.5
[INFO] [stderr]   Downloaded reqwest v0.9.22
[INFO] [stderr]   Downloaded hyper v0.12.35
[INFO] [stderr]   Downloaded mime v0.3.14
[INFO] [stderr]   Downloaded mime_guess v2.0.1
[INFO] [stderr]   Downloaded http v0.1.19
[INFO] [stderr]   Downloaded security-framework v0.3.3
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded enum-display-derive v0.1.0
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded tokio-codec v0.1.1
[INFO] [stderr]   Downloaded tokio-uds v0.2.5
[INFO] [stderr]   Downloaded num-bigint v0.2.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 229a708465989a9d1881940dcdf432da8f1e3d53a377ca2858101d5605ec91f8
[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" "229a708465989a9d1881940dcdf432da8f1e3d53a377ca2858101d5605ec91f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "229a708465989a9d1881940dcdf432da8f1e3d53a377ca2858101d5605ec91f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229a708465989a9d1881940dcdf432da8f1e3d53a377ca2858101d5605ec91f8", kill_on_drop: false }`
[INFO] [stdout] 229a708465989a9d1881940dcdf432da8f1e3d53a377ca2858101d5605ec91f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7d4eaad3aa4733929d1dee89a4a3b1652a7e3c2767f7409d3280555a6382637
[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" "b7d4eaad3aa4733929d1dee89a4a3b1652a7e3c2767f7409d3280555a6382637", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling subtle v2.2.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling nimiq-collections v0.2.0
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling atomic v0.4.5
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling weak-table v0.2.3
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling libargon2-sys v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-collections-0.2.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_into_raw_non_null)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-collections-0.2.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `Box<_, _>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-collections-0.2.0/src/linked_list.rs:141:34
[INFO] [stdout]     |
[INFO] [stdout] 141 |             let node = Some(Box::into_raw_non_null(node));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `Box<_, _>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-collections-0.2.0/src/linked_list.rs:176:34
[INFO] [stdout]     |
[INFO] [stdout] 176 |             let node = Some(Box::into_raw_non_null(node));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `Box<_, _>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nimiq-collections-0.2.0/src/linked_list.rs:914:38
[INFO] [stdout]     |
[INFO] [stdout] 914 |                 let node = Some(Box::into_raw_non_null(Box::new(Node {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nimiq-collections` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b7d4eaad3aa4733929d1dee89a4a3b1652a7e3c2767f7409d3280555a6382637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d4eaad3aa4733929d1dee89a4a3b1652a7e3c2767f7409d3280555a6382637", kill_on_drop: false }`
[INFO] [stdout] b7d4eaad3aa4733929d1dee89a4a3b1652a7e3c2767f7409d3280555a6382637