[INFO] fetching crate nimiq-mempool 0.2.0...
[INFO] checking nimiq-mempool-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate nimiq-mempool 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nimiq-mempool 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nimiq-mempool 0.2.0
[INFO] finished tweaking crates.io crate nimiq-mempool 0.2.0
[INFO] tweaked toml for crates.io crate nimiq-mempool 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77ebbc9d9675a57e172fe647bc9cea477ebe04435c78d0e6ba34c5cea0881a4f
[INFO] running `Command { std: "docker" "start" "-a" "77ebbc9d9675a57e172fe647bc9cea477ebe04435c78d0e6ba34c5cea0881a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77ebbc9d9675a57e172fe647bc9cea477ebe04435c78d0e6ba34c5cea0881a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ebbc9d9675a57e172fe647bc9cea477ebe04435c78d0e6ba34c5cea0881a4f", kill_on_drop: false }`
[INFO] [stdout] 77ebbc9d9675a57e172fe647bc9cea477ebe04435c78d0e6ba34c5cea0881a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7f2db304f79d17ac23a46614cf0ace3ba26c0d1fa2518cb2c722bfdbe93d9dd
[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" "c7f2db304f79d17ac23a46614cf0ace3ba26c0d1fa2518cb2c722bfdbe93d9dd", kill_on_drop: false }`
[INFO] [stderr]     Checking nimiq-collections v0.2.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling libargon2-sys v0.2.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking ed25519 v1.3.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[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 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nimiq-collections` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c7f2db304f79d17ac23a46614cf0ace3ba26c0d1fa2518cb2c722bfdbe93d9dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f2db304f79d17ac23a46614cf0ace3ba26c0d1fa2518cb2c722bfdbe93d9dd", kill_on_drop: false }`
[INFO] [stdout] c7f2db304f79d17ac23a46614cf0ace3ba26c0d1fa2518cb2c722bfdbe93d9dd