[INFO] fetching crate avrio_config 0.3.4...
[INFO] checking avrio_config-0.3.4 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate avrio_config 0.3.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate avrio_config 0.3.4 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate avrio_config 0.3.4
[INFO] finished tweaking crates.io crate avrio_config 0.3.4
[INFO] tweaked toml for crates.io crate avrio_config 0.3.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 1135c3e6b0e2986fa52d636d0edd7dc6b2dd1bec14c2ce391540a854507879fb
[INFO] running `"docker" "start" "-a" "1135c3e6b0e2986fa52d636d0edd7dc6b2dd1bec14c2ce391540a854507879fb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking avrio_config v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sha512`
[INFO] [stderr]  --> src/lib.rs:9:28
[INFO] [stderr]   |
[INFO] [stderr] 9 | use sha2::{Digest, Sha256, Sha512};
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sha512`
[INFO] [stderr]  --> src/lib.rs:9:28
[INFO] [stderr]   |
[INFO] [stderr] 9 | use sha2::{Digest, Sha256, Sha512};
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `certificateDifficulty` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub certificateDifficulty: u128,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `certificate_difficulty`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `transactionTimestampMaxOffset` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub transactionTimestampMaxOffset: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `transaction_timestamp_max_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `certificateDifficulty` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub certificateDifficulty: u128,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `certificate_difficulty`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `transactionTimestampMaxOffset` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub transactionTimestampMaxOffset: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `transaction_timestamp_max_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `certificateDifficulty` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub certificateDifficulty: u128,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `certificate_difficulty`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `transactionTimestampMaxOffset` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub transactionTimestampMaxOffset: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `transaction_timestamp_max_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `certificateDifficulty` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub certificateDifficulty: u128,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `certificate_difficulty`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `transactionTimestampMaxOffset` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub transactionTimestampMaxOffset: u32,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `transaction_timestamp_max_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `"docker" "inspect" "1135c3e6b0e2986fa52d636d0edd7dc6b2dd1bec14c2ce391540a854507879fb"`
[INFO] running `"docker" "rm" "-f" "1135c3e6b0e2986fa52d636d0edd7dc6b2dd1bec14c2ce391540a854507879fb"`
[INFO] [stdout] 1135c3e6b0e2986fa52d636d0edd7dc6b2dd1bec14c2ce391540a854507879fb