[INFO] fetching crate kv-par-merge-sort 0.1.0...
[INFO] testing kv-par-merge-sort-0.1.0 against 1.75.0 for beta-1.76-3
[INFO] extracting crate kv-par-merge-sort 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate kv-par-merge-sort 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kv-par-merge-sort 0.1.0
[INFO] finished tweaking crates.io crate kv-par-merge-sort 0.1.0
[INFO] tweaked toml for crates.io crate kv-par-merge-sort 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate kv-par-merge-sort 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-chrome v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cae0f45aa15673cda068cd90bd016a6709054f4e983a0285af5a0d2c1a8efc0
[INFO] running `Command { std: "docker" "start" "-a" "3cae0f45aa15673cda068cd90bd016a6709054f4e983a0285af5a0d2c1a8efc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cae0f45aa15673cda068cd90bd016a6709054f4e983a0285af5a0d2c1a8efc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cae0f45aa15673cda068cd90bd016a6709054f4e983a0285af5a0d2c1a8efc0", kill_on_drop: false }`
[INFO] [stdout] 3cae0f45aa15673cda068cd90bd016a6709054f4e983a0285af5a0d2c1a8efc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3336d12ce0d6be8cb13650bf7017998d397bad4e098d25320c7a975c72a1fc21
[INFO] running `Command { std: "docker" "start" "-a" "3336d12ce0d6be8cb13650bf7017998d397bad4e098d25320c7a975c72a1fc21", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bytemuck v1.9.1
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling kv-par-merge-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 13.34s
[INFO] running `Command { std: "docker" "inspect" "3336d12ce0d6be8cb13650bf7017998d397bad4e098d25320c7a975c72a1fc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3336d12ce0d6be8cb13650bf7017998d397bad4e098d25320c7a975c72a1fc21", kill_on_drop: false }`
[INFO] [stdout] 3336d12ce0d6be8cb13650bf7017998d397bad4e098d25320c7a975c72a1fc21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a65ff23905078c1d77d19582046c9b2da4a9b7d2140b242d91e4408ef9241601
[INFO] running `Command { std: "docker" "start" "-a" "a65ff23905078c1d77d19582046c9b2da4a9b7d2140b242d91e4408ef9241601", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.11
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling tracing-chrome v0.6.0
[INFO] [stderr]    Compiling kv-par-merge-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clap v3.1.18
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 47.58s
[INFO] running `Command { std: "docker" "inspect" "a65ff23905078c1d77d19582046c9b2da4a9b7d2140b242d91e4408ef9241601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65ff23905078c1d77d19582046c9b2da4a9b7d2140b242d91e4408ef9241601", kill_on_drop: false }`
[INFO] [stdout] a65ff23905078c1d77d19582046c9b2da4a9b7d2140b242d91e4408ef9241601
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccdf8cf1d1f136848bc9316bb868911032fbd2a2d74be04a61745c44e8a63f6a
[INFO] running `Command { std: "docker" "start" "-a" "ccdf8cf1d1f136848bc9316bb868911032fbd2a2d74be04a61745c44e8a63f6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kv_par_merge_sort-1d727a086639bdd7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::sort_empty ... ok
[INFO] [stdout] test tests::sort_two_out_of_order_one_chunk ... ok
[INFO] [stdout] test tests::sort_two_in_order_one_chunk ... ok
[INFO] [stdout] test tests::sort_single ... ok
[INFO] [stdout] test tests::sort_two_singleton_chunks ... ok
[INFO] [stdout] test tests::sort_more_than_two_chunks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kv-par-merge-sort
[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" "ccdf8cf1d1f136848bc9316bb868911032fbd2a2d74be04a61745c44e8a63f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdf8cf1d1f136848bc9316bb868911032fbd2a2d74be04a61745c44e8a63f6a", kill_on_drop: false }`
[INFO] [stdout] ccdf8cf1d1f136848bc9316bb868911032fbd2a2d74be04a61745c44e8a63f6a