[INFO] crate mohan 0.0.52 is already in cache
[INFO] checking mohan-0.0.52 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate mohan 0.0.52 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mohan 0.0.52 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mohan 0.0.52
[INFO] finished tweaking crates.io crate mohan 0.0.52
[INFO] tweaked toml for crates.io crate mohan 0.0.52 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 8fccfbd31dab36dc926a5b1e7c961b125e0c81bac14ceb3b9267caa3de93565d
[INFO] running `"docker" "start" "-a" "8fccfbd31dab36dc926a5b1e7c961b125e0c81bac14ceb3b9267caa3de93565d"`
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling zeroize_derive v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking zeroize v0.10.1
[INFO] [stderr]     Checking curve25519-dalek-organism v0.0.5
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking mohan v0.0.52
[INFO] [stderr]     Checking mohan v0.0.52 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ProtocolVersion`
[INFO] [stderr]  --> src/hash/h160.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 |     self, AsFixedBytes, FixedLength, ProtocolVersion, Readable, Reader, Writeable, Writer,
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/hash/h160.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsFixedBytes`
[INFO] [stderr]  --> src/hash/h160.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     self, AsFixedBytes, FixedLength, ProtocolVersion, Readable, Reader, Writeable, Writer,
[INFO] [stderr]   |           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]   --> src/fast_merkle_root.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         leaves.split_off(drain_start);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr]     Checking bacteria v0.0.5
[INFO] [stderr] warning: unused import: `hex::decode as hex_decode`
[INFO] [stderr]    --> src/base58.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |     use hex::decode as hex_decode;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ProtocolVersion`
[INFO] [stderr]  --> src/hash/h160.rs:3:38
[INFO] [stderr]   |
[INFO] [stderr] 3 |     self, AsFixedBytes, FixedLength, ProtocolVersion, Readable, Reader, Writeable, Writer,
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/hash/h160.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsFixedBytes`
[INFO] [stderr]  --> src/hash/h160.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 |     self, AsFixedBytes, FixedLength, ProtocolVersion, Readable, Reader, Writeable, Writer,
[INFO] [stderr]   |           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_serialize_H160_two` should have a snake case name
[INFO] [stderr]    --> src/hash/h160.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn test_serialize_H160_two() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_serialize_h160_two`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::split_off` that must be used
[INFO] [stderr]   --> src/fast_merkle_root.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         leaves.split_off(drain_start);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.19s
[INFO] running `"docker" "inspect" "8fccfbd31dab36dc926a5b1e7c961b125e0c81bac14ceb3b9267caa3de93565d"`
[INFO] running `"docker" "rm" "-f" "8fccfbd31dab36dc926a5b1e7c961b125e0c81bac14ceb3b9267caa3de93565d"`
[INFO] [stdout] 8fccfbd31dab36dc926a5b1e7c961b125e0c81bac14ceb3b9267caa3de93565d
