[INFO] fetching crate nimiq-block-production 0.2.0...
[INFO] testing nimiq-block-production-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate nimiq-block-production 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nimiq-block-production 0.2.0
[INFO] finished tweaking crates.io crate nimiq-block-production 0.2.0
[INFO] tweaked toml for crates.io crate nimiq-block-production 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nimiq-block-production 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 190 packages to latest compatible versions
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded nimiq-transaction v0.2.0
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
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[INFO] [stderr]   Downloaded nimiq-utils v0.2.0
[INFO] [stderr]   Downloaded nimiq-collections v0.2.0
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[INFO] [stderr]   Downloaded nimiq-block v0.2.0
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[INFO] [stderr]   Downloaded nimiq-network-primitives v0.2.0
[INFO] [stderr]   Downloaded nimiq-account v0.2.0
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[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5cb8922ee74a7d377f48c2c92ce081fd1471b28c1317534484c3b616c93b4f7
[INFO] running `Command { std: "docker" "start" "-a" "f5cb8922ee74a7d377f48c2c92ce081fd1471b28c1317534484c3b616c93b4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5cb8922ee74a7d377f48c2c92ce081fd1471b28c1317534484c3b616c93b4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5cb8922ee74a7d377f48c2c92ce081fd1471b28c1317534484c3b616c93b4f7", kill_on_drop: false }`
[INFO] [stdout] f5cb8922ee74a7d377f48c2c92ce081fd1471b28c1317534484c3b616c93b4f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf7d0a087c958afa7a8cdbd7bf0fe621fad3f2b6a1f3e9b6bd25df56f0ee773
[INFO] running `Command { std: "docker" "start" "-a" "aaf7d0a087c958afa7a8cdbd7bf0fe621fad3f2b6a1f3e9b6bd25df56f0ee773", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]    Compiling clear_on_drop v0.2.5
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[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling libargon2-sys v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]    Compiling arrayvec v0.4.12
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[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling nimiq-macros v0.2.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling curve25519-dalek v1.2.6
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling fixed-unsigned v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling supercow v0.1.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling atomic v0.4.6
[INFO] [stderr]    Compiling nimiq-collections v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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 stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nimiq-collections-0.2.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `box_into_raw_non_null`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nimiq-collections-0.2.0/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_into_raw_non_null)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[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/index.crates.io-1949cf8c6b5b557f/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] note: if you're trying to build a new `Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Box::<T>::new
[INFO] [stdout]       Box::<T>::new_uninit
[INFO] [stdout]       Box::<T>::new_zeroed
[INFO] [stdout]       Box::<T>::try_new
[INFO] [stdout]       and 22 others
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:260:5
[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/index.crates.io-1949cf8c6b5b557f/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] note: if you're trying to build a new `Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Box::<T>::new
[INFO] [stdout]       Box::<T>::new_uninit
[INFO] [stdout]       Box::<T>::new_zeroed
[INFO] [stdout]       Box::<T>::try_new
[INFO] [stdout]       and 22 others
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:260:5
[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/index.crates.io-1949cf8c6b5b557f/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] note: if you're trying to build a new `Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Box::<T>::new
[INFO] [stdout]       Box::<T>::new_uninit
[INFO] [stdout]       Box::<T>::new_zeroed
[INFO] [stdout]       Box::<T>::try_new
[INFO] [stdout]       and 22 others
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:260:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling enum-display-derive v0.1.1
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nimiq-collections` (lib) due to 6 previous errors
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aaf7d0a087c958afa7a8cdbd7bf0fe621fad3f2b6a1f3e9b6bd25df56f0ee773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf7d0a087c958afa7a8cdbd7bf0fe621fad3f2b6a1f3e9b6bd25df56f0ee773", kill_on_drop: false }`
[INFO] [stdout] aaf7d0a087c958afa7a8cdbd7bf0fe621fad3f2b6a1f3e9b6bd25df56f0ee773
