[INFO] updating cached repository https://github.com/emilk/drop-merge-sort
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5805104710c40b2a083e57f7530dcaad3f3857c
[INFO] testing emilk/drop-merge-sort against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilk%2Fdrop-merge-sort" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emilk/drop-merge-sort on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/emilk/drop-merge-sort
[INFO] finished tweaking git repo https://github.com/emilk/drop-merge-sort
[INFO] tweaked toml for git repo https://github.com/emilk/drop-merge-sort written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/emilk/drop-merge-sort already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7fd14cc945cc80b0b7675dd5959b021fb96a5ba146dc97c92d7d62d375703cfa
[INFO] running `"docker" "start" "-a" "7fd14cc945cc80b0b7675dd5959b021fb96a5ba146dc97c92d7d62d375703cfa"`
[INFO] [stderr]    Compiling dmsort v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/dmsort.rs:219:11
[INFO] [stderr]     |
[INFO] [stderr] 219 |     vec.push(mem::uninitialized::<T>());
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/dmsort.rs:307:22
[INFO] [stderr]     |
[INFO] [stderr] 307 |                         s.dropped.push(mem::uninitialized::<T>());
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "7fd14cc945cc80b0b7675dd5959b021fb96a5ba146dc97c92d7d62d375703cfa"`
[INFO] running `"docker" "rm" "-f" "7fd14cc945cc80b0b7675dd5959b021fb96a5ba146dc97c92d7d62d375703cfa"`
[INFO] [stdout] 7fd14cc945cc80b0b7675dd5959b021fb96a5ba146dc97c92d7d62d375703cfa
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] e12002bd76b2d75f16f9e0b3e22063071ab0eb207971ab4595e702fe9dc8127c
[INFO] running `"docker" "start" "-a" "e12002bd76b2d75f16f9e0b3e22063071ab0eb207971ab4595e702fe9dc8127c"`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling gnuplot v0.0.22
[INFO] [stderr]    Compiling nodrop v0.1.9
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling quickersort v2.2.0
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling dmsort v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `"docker" "inspect" "e12002bd76b2d75f16f9e0b3e22063071ab0eb207971ab4595e702fe9dc8127c"`
[INFO] running `"docker" "rm" "-f" "e12002bd76b2d75f16f9e0b3e22063071ab0eb207971ab4595e702fe9dc8127c"`
[INFO] [stdout] e12002bd76b2d75f16f9e0b3e22063071ab0eb207971ab4595e702fe9dc8127c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 430a67c5da21a867c7aec230143f420f62ac7f4fa34008544489f1404162975a
[INFO] running `"docker" "start" "-a" "430a67c5da21a867c7aec230143f420f62ac7f4fa34008544489f1404162975a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/benchmark-8b8ee526a758bef5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test benchmarks ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-f95a1a0aff93736e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple_tests ... ok
[INFO] [stdout] test test_unwind ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dmsort
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/dmsort.rs - dmsort::sort_by_key (line 360) ... ok
[INFO] [stdout] test src/dmsort.rs - dmsort::sort_by (line 347) ... ok
[INFO] [stdout] test src/dmsort.rs - dmsort::sort (line 374) ... ok
[INFO] [stdout] test src/lib.rs -  (line 18) ... 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" "430a67c5da21a867c7aec230143f420f62ac7f4fa34008544489f1404162975a"`
[INFO] running `"docker" "rm" "-f" "430a67c5da21a867c7aec230143f420f62ac7f4fa34008544489f1404162975a"`
[INFO] [stdout] 430a67c5da21a867c7aec230143f420f62ac7f4fa34008544489f1404162975a