[INFO] crate pdqsort 1.0.3 is already in cache
[INFO] extracting crate pdqsort 1.0.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/pdqsort/1.0.3
[INFO] extracting crate pdqsort 1.0.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pdqsort/1.0.3
[INFO] validating manifest of pdqsort-1.0.3 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pdqsort-1.0.3 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pdqsort-1.0.3
[INFO] finished frobbing pdqsort-1.0.3
[INFO] frobbed toml for pdqsort-1.0.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/pdqsort/1.0.3/Cargo.toml
[INFO] started frobbing pdqsort-1.0.3
[INFO] finished frobbing pdqsort-1.0.3
[INFO] frobbed toml for pdqsort-1.0.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pdqsort/1.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pdqsort-1.0.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pdqsort/1.0.3:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] bc104da87f5cc267ad89a152c83d1a06ca94a8b9fd6e97d6e3833131a6f8ab54
[INFO] running `"docker" "start" "-a" "bc104da87f5cc267ad89a152c83d1a06ca94a8b9fd6e97d6e3833131a6f8ab54"`
[INFO] [stderr]    Compiling pdqsort v1.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "bc104da87f5cc267ad89a152c83d1a06ca94a8b9fd6e97d6e3833131a6f8ab54"`
[INFO] running `"docker" "rm" "-f" "bc104da87f5cc267ad89a152c83d1a06ca94a8b9fd6e97d6e3833131a6f8ab54"`
[INFO] [stdout] bc104da87f5cc267ad89a152c83d1a06ca94a8b9fd6e97d6e3833131a6f8ab54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pdqsort/1.0.3:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 40749c92552854026ab9ba91289ab6b7fcd092e969db1724355e453e37c3fc30
[INFO] running `"docker" "start" "-a" "40749c92552854026ab9ba91289ab6b7fcd092e969db1724355e453e37c3fc30"`
[INFO] [stderr]    Compiling pdqsort v1.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:837:27
[INFO] [stderr]     |
[INFO] [stderr] 837 |                     .take((1 << n))
[INFO] [stderr]     |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:864:27
[INFO] [stderr]     |
[INFO] [stderr] 864 |                     .take((1 << n))
[INFO] [stderr]     |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "40749c92552854026ab9ba91289ab6b7fcd092e969db1724355e453e37c3fc30"`
[INFO] running `"docker" "rm" "-f" "40749c92552854026ab9ba91289ab6b7fcd092e969db1724355e453e37c3fc30"`
[INFO] [stdout] 40749c92552854026ab9ba91289ab6b7fcd092e969db1724355e453e37c3fc30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pdqsort/1.0.3:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7ce2a79eb84999e97c73d848f3e628fefb18ed5ae1d2dbd6b6b9a24cb8abeebe
[INFO] running `"docker" "start" "-a" "7ce2a79eb84999e97c73d848f3e628fefb18ed5ae1d2dbd6b6b9a24cb8abeebe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pdqsort-9b277d2d5c7008fd
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_sort_zero_sized_type ... ok
[INFO] [stdout] test tests::test_crazy_compare ... ok
[INFO] [stdout] test tests::test_pdqsort ... ok
[INFO] [stderr]    Doc-tests pdqsort
[INFO] [stdout] test tests::test_heapsort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - sort_by_key (line 800) ... ok
[INFO] [stdout] test src/lib.rs - sort (line 754) ... ok
[INFO] [stdout] test src/lib.rs - sort_by (line 775) ... ok
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7ce2a79eb84999e97c73d848f3e628fefb18ed5ae1d2dbd6b6b9a24cb8abeebe"`
[INFO] running `"docker" "rm" "-f" "7ce2a79eb84999e97c73d848f3e628fefb18ed5ae1d2dbd6b6b9a24cb8abeebe"`
[INFO] [stdout] 7ce2a79eb84999e97c73d848f3e628fefb18ed5ae1d2dbd6b6b9a24cb8abeebe