[INFO] fetching crate timsort 0.1.2...
[INFO] testing timsort-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate timsort 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate timsort 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timsort 0.1.2
[INFO] finished tweaking crates.io crate timsort 0.1.2
[INFO] tweaked toml for crates.io crate timsort 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc8bda90add6a521a9c18c18f94905a385c362d565b3768b94793568a561d502
[INFO] running `Command { std: "docker" "start" "-a" "cc8bda90add6a521a9c18c18f94905a385c362d565b3768b94793568a561d502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc8bda90add6a521a9c18c18f94905a385c362d565b3768b94793568a561d502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8bda90add6a521a9c18c18f94905a385c362d565b3768b94793568a561d502", kill_on_drop: false }`
[INFO] [stdout] cc8bda90add6a521a9c18c18f94905a385c362d565b3768b94793568a561d502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17fb8ef11d7bd3b9fad494ed834a22629dad3de3799e4cbce43a946a6c29391e
[INFO] running `Command { std: "docker" "start" "-a" "17fb8ef11d7bd3b9fad494ed834a22629dad3de3799e4cbce43a946a6c29391e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling timsort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "17fb8ef11d7bd3b9fad494ed834a22629dad3de3799e4cbce43a946a6c29391e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17fb8ef11d7bd3b9fad494ed834a22629dad3de3799e4cbce43a946a6c29391e", kill_on_drop: false }`
[INFO] [stdout] 17fb8ef11d7bd3b9fad494ed834a22629dad3de3799e4cbce43a946a6c29391e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7544d0e6e29a1f37fd3733e5507f0010a2dbea735b769286c742e5108e402b4a
[INFO] running `Command { std: "docker" "start" "-a" "7544d0e6e29a1f37fd3733e5507f0010a2dbea735b769286c742e5108e402b4a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling timsort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/insort/tests.rs:62:6
[INFO] [stdout]    |
[INFO] [stdout] 62 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/sort/tests.rs:65:6
[INFO] [stdout]    |
[INFO] [stdout] 65 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/sort/tests.rs:92:6
[INFO] [stdout]    |
[INFO] [stdout] 92 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "7544d0e6e29a1f37fd3733e5507f0010a2dbea735b769286c742e5108e402b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7544d0e6e29a1f37fd3733e5507f0010a2dbea735b769286c742e5108e402b4a", kill_on_drop: false }`
[INFO] [stdout] 7544d0e6e29a1f37fd3733e5507f0010a2dbea735b769286c742e5108e402b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e39935e2925422eee56b185fa6e36e7cc1523da59d5de9df92b8135799dd587c
[INFO] running `Command { std: "docker" "start" "-a" "e39935e2925422eee56b185fa6e36e7cc1523da59d5de9df92b8135799dd587c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/insort/tests.rs:62:6
[INFO] [stderr]    |
[INFO] [stderr] 62 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/sort/tests.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/sort/tests.rs:92:6
[INFO] [stderr]    |
[INFO] [stderr] 92 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `timsort` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/timsort-09fe02db12057a15)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test find_run::tests::empty ... ok
[INFO] [stdout] test find_run::tests::equal ... ok
[INFO] [stdout] test find_run::tests::get_run_noreverse ... ok
[INFO] [stdout] test find_run::tests::get_run_reverse ... ok
[INFO] [stdout] test find_run::tests::less ... ok
[INFO] [stdout] test find_run::tests::less_stable ... ok
[INFO] [stdout] test find_run::tests::greater ... ok
[INFO] [stdout] test find_run::tests::single ... ok
[INFO] [stdout] test gallop::tests::gallop_empty ... ok
[INFO] [stdout] test gallop::tests::gallop_end_equal ... ok
[INFO] [stdout] test gallop::tests::gallop_end_greater ... ok
[INFO] [stdout] test gallop::tests::gallop_end_middle_after ... ok
[INFO] [stdout] test gallop::tests::gallop_end_middle_before ... ok
[INFO] [stdout] test gallop::tests::gallop_large_center_equal ... ok
[INFO] [stdout] test gallop::tests::gallop_large_center_less ... ok
[INFO] [stdout] test gallop::tests::gallop_large_end_equal ... ok
[INFO] [stdout] test gallop::tests::gallop_large_end_greater ... ok
[INFO] [stdout] test gallop::tests::gallop_large_end_less ... ok
[INFO] [stdout] test gallop::tests::gallop_large_start_after ... ok
[INFO] [stdout] test gallop::tests::gallop_large_start_before ... ok
[INFO] [stdout] test gallop::tests::gallop_large_start_equal ... ok
[INFO] [stdout] test gallop::tests::gallop_middle_equal ... ok
[INFO] [stdout] test gallop::tests::gallop_single_equal ... ok
[INFO] [stdout] test gallop::tests::gallop_single_greater ... ok
[INFO] [stdout] test gallop::tests::gallop_start_equal ... ok
[INFO] [stdout] test gallop::tests::gallop_single_less ... ok
[INFO] [stdout] test insort::tests::empty ... ok
[INFO] [stdout] test gallop::tests::gallop_start_less ... ok
[INFO] [stdout] test insort::tests::reverse ... ok
[INFO] [stdout] test insort::tests::single ... ok
[INFO] [stdout] test insort::tests::sorted ... ok
[INFO] [stdout] test insort::tests::unsorted ... ok
[INFO] [stdout] test merge::tests::empty ... ok
[INFO] [stdout] test merge::tests::hi_gallop_stress ... ok
[INFO] [stdout] test merge::tests::hi_nodrop ... ok
[INFO] [stdout] test merge::tests::hi_unsorted ... ok
[INFO] [stdout] test merge::tests::hi_unsorted_multiple ... ok
[INFO] [stdout] test merge::tests::lo_gallop_stress ... ok
[INFO] [stdout] test merge::tests::lo_nodrop ... ok
[INFO] [stdout] test merge::tests::lo_unsorted ... ok
[INFO] [stdout] test merge::tests::lo_unsorted_multiple ... ok
[INFO] [stdout] test merge::tests::single_sorted ... ok
[INFO] [stdout] test merge::tests::single_unsorted ... ok
[INFO] [stdout] test sort::tests::empty ... ok
[INFO] [stdout] test sort::tests::reverse ... ok
[INFO] [stdout] test insort::tests::stable ... ok
[INFO] [stdout] test sort::tests::single ... ok
[INFO] [stdout] test sort::tests::sorted ... ok
[INFO] [stdout] test sort::tests::unsorted ... ok
[INFO] [stdout] test sort::tests::stable ... ok
[INFO] [stdout] test sort::tests::stable_npow2 ... ok
[INFO] [stdout] test merge::tests::hi_panic ... ok
[INFO] [stdout] test merge::tests::lo_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests timsort
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e39935e2925422eee56b185fa6e36e7cc1523da59d5de9df92b8135799dd587c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39935e2925422eee56b185fa6e36e7cc1523da59d5de9df92b8135799dd587c", kill_on_drop: false }`
[INFO] [stdout] e39935e2925422eee56b185fa6e36e7cc1523da59d5de9df92b8135799dd587c