[INFO] cloning repository irazorx1/lucky_check [INFO] running `"git" "clone" "--bare" "git://github.com/irazorx1/lucky_check.git" "work/cache/sources/gh/irazorx1/lucky_check"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/irazorx1/lucky_check'... [INFO] running `"git" "clone" "work/cache/sources/gh/irazorx1/lucky_check" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/irazorx1/lucky_check"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/irazorx1/lucky_check'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/irazorx1/lucky_check" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/irazorx1/lucky_check"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/irazorx1/lucky_check'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 283a05c81dacaad8fb0cc44008ab29b23c3f2d2d [INFO] sha for GitHub repo irazorx1/lucky_check: 283a05c81dacaad8fb0cc44008ab29b23c3f2d2d [INFO] validating manifest of irazorx1/lucky_check on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of irazorx1/lucky_check on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing irazorx1/lucky_check [INFO] finished frobbing irazorx1/lucky_check [INFO] frobbed toml for irazorx1/lucky_check written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/irazorx1/lucky_check/Cargo.toml [INFO] started frobbing irazorx1/lucky_check [INFO] finished frobbing irazorx1/lucky_check [INFO] frobbed toml for irazorx1/lucky_check written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/irazorx1/lucky_check/Cargo.toml [INFO] crate irazorx1/lucky_check already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] testing irazorx1/lucky_check against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/irazorx1/lucky_check:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 154ea17fe5bca153724db8e7525b0665603d3140c22e805c5d161e176d48071d [INFO] running `"docker" "start" "-a" "154ea17fe5bca153724db8e7525b0665603d3140c22e805c5d161e176d48071d"` [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling cfg-if v0.1.4 [INFO] [stderr] Compiling lazy_static v1.0.2 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling lucky_check v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rayon::prelude` [INFO] [stderr] --> src/main.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | use rayon::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `last_digit` is never read [INFO] [stderr] --> src/main.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let mut last_digit = 0; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut s = num.to_string(); [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: function is never used: `is_lucky_string` [INFO] [stderr] --> src/main.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | fn is_lucky_string(num: u32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_lucky_u32_2` [INFO] [stderr] --> src/main.rs:55:1 [INFO] [stderr] | [INFO] [stderr] 55 | fn is_lucky_u32_2(number: u32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `contains_number` [INFO] [stderr] --> src/main.rs:65:1 [INFO] [stderr] | [INFO] [stderr] 65 | fn contains_number(number: u32, check: u32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.88s [INFO] running `"docker" "inspect" "154ea17fe5bca153724db8e7525b0665603d3140c22e805c5d161e176d48071d"` [INFO] running `"docker" "rm" "-f" "154ea17fe5bca153724db8e7525b0665603d3140c22e805c5d161e176d48071d"` [INFO] [stdout] 154ea17fe5bca153724db8e7525b0665603d3140c22e805c5d161e176d48071d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/irazorx1/lucky_check:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] ef7019dfbbf7b38af98060902bd93267e6fc3ce549a3489aaf11057c24b67863 [INFO] running `"docker" "start" "-a" "ef7019dfbbf7b38af98060902bd93267e6fc3ce549a3489aaf11057c24b67863"` [INFO] [stderr] Compiling lucky_check v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `black_box` [INFO] [stderr] --> src/main.rs:97:25 [INFO] [stderr] | [INFO] [stderr] 97 | use test::{Bencher, black_box}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rayon::*` [INFO] [stderr] --> src/main.rs:98:9 [INFO] [stderr] | [INFO] [stderr] 98 | use rayon::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `last_digit` is never read [INFO] [stderr] --> src/main.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let mut last_digit = 0; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut s = num.to_string(); [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] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "ef7019dfbbf7b38af98060902bd93267e6fc3ce549a3489aaf11057c24b67863"` [INFO] running `"docker" "rm" "-f" "ef7019dfbbf7b38af98060902bd93267e6fc3ce549a3489aaf11057c24b67863"` [INFO] [stdout] ef7019dfbbf7b38af98060902bd93267e6fc3ce549a3489aaf11057c24b67863 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/irazorx1/lucky_check:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] e2f1300f3f9c026a4f3d8c28d092fb2ee38b5231ca23b84695cc4de02354fa68 [INFO] running `"docker" "start" "-a" "e2f1300f3f9c026a4f3d8c28d092fb2ee38b5231ca23b84695cc4de02354fa68"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/lucky_check-ce5398200df8d982 [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test tests::bench_is_lucky_string_10000000 ... ignored [INFO] [stdout] test tests::bench_is_lucky_string_max_u32 ... ignored [INFO] [stdout] test tests::bench_is_lucky_u32_10000000 ... ignored [INFO] [stdout] test tests::bench_is_lucky_u32_10000000_par ... ignored [INFO] [stdout] test tests::bench_is_lucky_u32_2_max_u32 ... ignored [INFO] [stdout] test tests::bench_is_lucky_u32_max_u32 ... ignored [INFO] [stdout] test tests::bench_is_lucky_string_1000 ... ok [INFO] [stdout] test tests::bench_is_lucky_u32_1000 ... ok [INFO] [stdout] test tests::bench_is_lucky_u32_10000 ... ok [INFO] [stdout] test tests::bench_is_lucky_string_10000 ... ok [INFO] [stdout] test tests::bench_is_lucky_u32_100000 ... ok [INFO] [stdout] test tests::bench_is_lucky_string_100000 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 6 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "e2f1300f3f9c026a4f3d8c28d092fb2ee38b5231ca23b84695cc4de02354fa68"` [INFO] running `"docker" "rm" "-f" "e2f1300f3f9c026a4f3d8c28d092fb2ee38b5231ca23b84695cc4de02354fa68"` [INFO] [stdout] e2f1300f3f9c026a4f3d8c28d092fb2ee38b5231ca23b84695cc4de02354fa68