[INFO] updating cached repository avl/scoped_pool_perf_problem [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/avl/scoped_pool_perf_problem [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/avl/scoped_pool_perf_problem" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/avl/scoped_pool_perf_problem"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/avl/scoped_pool_perf_problem'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/avl/scoped_pool_perf_problem" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/avl/scoped_pool_perf_problem"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/avl/scoped_pool_perf_problem'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9496ecf607d63f4a6d43f09d90b078f5073281e5 [INFO] sha for GitHub repo avl/scoped_pool_perf_problem: 9496ecf607d63f4a6d43f09d90b078f5073281e5 [INFO] validating manifest of avl/scoped_pool_perf_problem on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of avl/scoped_pool_perf_problem on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing avl/scoped_pool_perf_problem [INFO] finished frobbing avl/scoped_pool_perf_problem [INFO] frobbed toml for avl/scoped_pool_perf_problem written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/avl/scoped_pool_perf_problem/Cargo.toml [INFO] started frobbing avl/scoped_pool_perf_problem [INFO] finished frobbing avl/scoped_pool_perf_problem [INFO] frobbed toml for avl/scoped_pool_perf_problem written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/avl/scoped_pool_perf_problem/Cargo.toml [INFO] crate avl/scoped_pool_perf_problem already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking avl/scoped_pool_perf_problem against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/avl/scoped_pool_perf_problem:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3f6f93604e7c4ce9b918019b8356597bba931631bd34b34fb1bf6ab23d203bc6 [INFO] running `"docker" "start" "-a" "3f6f93604e7c4ce9b918019b8356597bba931631bd34b34fb1bf6ab23d203bc6"` [INFO] [stderr] Checking lazy_static v1.0.2 [INFO] [stderr] Checking scopeguard v0.1.2 [INFO] [stderr] Checking variance v0.1.3 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking scoped-pool v1.0.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking rayon v1.0.2 [INFO] [stderr] Checking scoped_pool_performance_problem v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `scoped_pool::Pool` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use scoped_pool::Pool; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Bencher` [INFO] [stderr] --> src/main.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | use test::{Bencher}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `scoped_pool::Pool` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use scoped_pool::Pool; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut output_data_ref=&mut output_data; [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:52:8 [INFO] [stderr] | [INFO] [stderr] 52 | let mut output_data_ref=&mut output_data; [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | let mut t = Vec::::with_capacity(data_size/parallellism); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.25s [INFO] running `"docker" "inspect" "3f6f93604e7c4ce9b918019b8356597bba931631bd34b34fb1bf6ab23d203bc6"` [INFO] running `"docker" "rm" "-f" "3f6f93604e7c4ce9b918019b8356597bba931631bd34b34fb1bf6ab23d203bc6"` [INFO] [stdout] 3f6f93604e7c4ce9b918019b8356597bba931631bd34b34fb1bf6ab23d203bc6