[INFO] crate tari_mmr 0.0.5 is already in cache
[INFO] checking tari_mmr-0.0.5 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate tari_mmr 0.0.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tari_mmr 0.0.5 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tari_mmr 0.0.5
[INFO] finished tweaking crates.io crate tari_mmr 0.0.5
[INFO] tweaked toml for crates.io crate tari_mmr 0.0.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 10a686ec18d072b64bebb34b6d8904618e9f085d098232ce9d8b9eb2205ef390
[INFO] running `"docker" "start" "-a" "10a686ec18d072b64bebb34b6d8904618e9f085d098232ce9d8b9eb2205ef390"`
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]     Checking newtype-ops v0.1.4
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking liblmdb-sys v0.2.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking bstr v0.2.9
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]     Checking merlin v1.3.0
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking tari_utilities v0.0.6
[INFO] [stderr]    Compiling tari_infra_derive v0.0.6
[INFO] [stderr]     Checking csv v1.1.2
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking tari_storage v0.0.6
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking bulletproofs v1.0.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking tari_crypto v0.0.6
[INFO] [stderr]    Compiling croaring-sys v0.4.3
[INFO] [stderr]     Checking croaring v0.4.3
[INFO] [stderr]     Checking tari_mmr v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `combine_hashes`
[INFO] [stderr]   --> tests/support/mod.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn combine_hashes(hashes: &[&HashSlice]) -> Hash {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `combine_hashes`
[INFO] [stderr]   --> tests/support/mod.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn combine_hashes(hashes: &[&HashSlice]) -> Hash {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `combine_hashes`
[INFO] [stderr]   --> tests/support/mod.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn combine_hashes(hashes: &[&HashSlice]) -> Hash {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `combine_hashes`
[INFO] [stderr]   --> tests/support/mod.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn combine_hashes(hashes: &[&HashSlice]) -> Hash {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `tari_mmr::VectorBackend`
[INFO] [stderr]   --> benches/bench.rs:28:37
[INFO] [stderr]    |
[INFO] [stderr] 28 | use tari_mmr::{MerkleMountainRange, VectorBackend};
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^ no `VectorBackend` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `u64`
[INFO] [stderr]   --> benches/bench.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 | use std::{time::Duration, u64};
[INFO] [stderr]    |                           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `tari_mmr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "10a686ec18d072b64bebb34b6d8904618e9f085d098232ce9d8b9eb2205ef390"`
[INFO] running `"docker" "rm" "-f" "10a686ec18d072b64bebb34b6d8904618e9f085d098232ce9d8b9eb2205ef390"`
[INFO] [stdout] 10a686ec18d072b64bebb34b6d8904618e9f085d098232ce9d8b9eb2205ef390