[INFO] crate tari_mmr 0.0.7 is already in cache
[INFO] checking tari_mmr-0.0.7 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate tari_mmr 0.0.7 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tari_mmr 0.0.7 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tari_mmr 0.0.7
[INFO] finished tweaking crates.io crate tari_mmr 0.0.7
[INFO] tweaked toml for crates.io crate tari_mmr 0.0.7 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] e8df82c2ad4450b13ed4ea67426b159b2fa52483c326577da553a7f502874c8e
[INFO] running `"docker" "start" "-a" "e8df82c2ad4450b13ed4ea67426b159b2fa52483c326577da553a7f502874c8e"`
[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 liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling tari_infra_derive v0.0.7
[INFO] [stderr]     Checking merlin v1.3.0
[INFO] [stderr]     Checking tari_utilities v0.0.7
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]     Checking tari_storage v0.0.7
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking bulletproofs v1.0.4
[INFO] [stderr]     Checking tari_crypto v0.0.7
[INFO] [stderr]    Compiling croaring-sys v0.3.9
[INFO] [stderr]     Checking croaring v0.3.9
[INFO] [stderr]     Checking tari_mmr v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/merkle_mountain_range.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |         (self.get_merkle_root() == other.get_merkle_root())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/mutable_mmr.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         (self.get_merkle_root() == other.get_merkle_root())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/merkle_mountain_range.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |         (self.get_merkle_root() == other.get_merkle_root())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/mutable_mmr.rs:259:9
[INFO] [stderr]     |
[INFO] [stderr] 259 |         (self.get_merkle_root() == other.get_merkle_root())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_mutable_mmr`
[INFO] [stderr]   --> tests/support/mod.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn create_mutable_mmr(size: usize) -> MutableMmr<Hasher, Vec<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:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn combine_hashes(hashes: &[&HashSlice]) -> Hash {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_mutable_mmr`
[INFO] [stderr]   --> tests/support/mod.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn create_mutable_mmr(size: usize) -> MutableMmr<Hasher, Vec<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:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn combine_hashes(hashes: &[&HashSlice]) -> Hash {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_mutable_mmr`
[INFO] [stderr]   --> tests/support/mod.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn create_mutable_mmr(size: usize) -> MutableMmr<Hasher, Vec<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:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn combine_hashes(hashes: &[&HashSlice]) -> Hash {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_mutable_mmr`
[INFO] [stderr]   --> tests/support/mod.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn create_mutable_mmr(size: usize) -> MutableMmr<Hasher, Vec<Hash>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `"docker" "inspect" "e8df82c2ad4450b13ed4ea67426b159b2fa52483c326577da553a7f502874c8e"`
[INFO] running `"docker" "rm" "-f" "e8df82c2ad4450b13ed4ea67426b159b2fa52483c326577da553a7f502874c8e"`
[INFO] [stdout] e8df82c2ad4450b13ed4ea67426b159b2fa52483c326577da553a7f502874c8e