[INFO] crate solana-metrics 0.12.1 is already in cache
[INFO] extracting crate solana-metrics 0.12.1 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/solana-metrics/0.12.1
[INFO] extracting crate solana-metrics 0.12.1 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/solana-metrics/0.12.1
[INFO] validating manifest of solana-metrics-0.12.1 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of solana-metrics-0.12.1 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing solana-metrics-0.12.1
[INFO] finished frobbing solana-metrics-0.12.1
[INFO] frobbed toml for solana-metrics-0.12.1 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/solana-metrics/0.12.1/Cargo.toml
[INFO] started frobbing solana-metrics-0.12.1
[INFO] finished frobbing solana-metrics-0.12.1
[INFO] frobbed toml for solana-metrics-0.12.1 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/solana-metrics/0.12.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking solana-metrics-0.12.1 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-7/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/solana-metrics/0.12.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2855df4b44de2a1f10b5bfa935d5baa3a8e5461f902eb11df0baf747a342a817
[INFO] running `"docker" "start" "-a" "2855df4b44de2a1f10b5bfa935d5baa3a8e5461f902eb11df0baf747a342a817"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling sys-info v0.5.6
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking bincode v1.1.4
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]     Checking influx_db_client v0.3.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking solana-sdk v0.12.1
[INFO] [stderr]     Checking solana-metrics v0.12.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Once` is imported redundantly
[INFO] [stderr]    --> src/metrics.rs:226:21
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::sync::{Arc, Barrier, Mutex, Once, ONCE_INIT};
[INFO] [stderr]     |                                      ---- the item `Once` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 226 |     use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]     |                     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ONCE_INIT` is imported redundantly
[INFO] [stderr]    --> src/metrics.rs:226:27
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::sync::{Arc, Barrier, Mutex, Once, ONCE_INIT};
[INFO] [stderr]     |                                            --------- the item `ONCE_INIT` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 226 |     use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Once` is imported redundantly
[INFO] [stderr]    --> src/metrics.rs:226:21
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::sync::{Arc, Barrier, Mutex, Once, ONCE_INIT};
[INFO] [stderr]     |                                      ---- the item `Once` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 226 |     use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]     |                     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ONCE_INIT` is imported redundantly
[INFO] [stderr]    --> src/metrics.rs:226:27
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::sync::{Arc, Barrier, Mutex, Once, ONCE_INIT};
[INFO] [stderr]     |                                            --------- the item `ONCE_INIT` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 226 |     use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]     |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.68s
[INFO] running `"docker" "inspect" "2855df4b44de2a1f10b5bfa935d5baa3a8e5461f902eb11df0baf747a342a817"`
[INFO] running `"docker" "rm" "-f" "2855df4b44de2a1f10b5bfa935d5baa3a8e5461f902eb11df0baf747a342a817"`
[INFO] [stdout] 2855df4b44de2a1f10b5bfa935d5baa3a8e5461f902eb11df0baf747a342a817