[INFO] fetching crate iter-merge-sort 0.1.2...
[INFO] testing iter-merge-sort-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate iter-merge-sort 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iter-merge-sort 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter-merge-sort 0.1.2
[INFO] finished tweaking crates.io crate iter-merge-sort 0.1.2
[INFO] tweaked toml for crates.io crate iter-merge-sort 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1f547f92b2f1fc22bdf9fb0692e6f670ba6b14c893f95bc66869cf12ac0b3ba
[INFO] running `Command { std: "docker" "start" "-a" "d1f547f92b2f1fc22bdf9fb0692e6f670ba6b14c893f95bc66869cf12ac0b3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1f547f92b2f1fc22bdf9fb0692e6f670ba6b14c893f95bc66869cf12ac0b3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f547f92b2f1fc22bdf9fb0692e6f670ba6b14c893f95bc66869cf12ac0b3ba", kill_on_drop: false }`
[INFO] [stdout] d1f547f92b2f1fc22bdf9fb0692e6f670ba6b14c893f95bc66869cf12ac0b3ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8b8c17567f42a3d3ef6430342e8e6f5d03ea1bf2fbbcbe0e0e87d04ac8605c8
[INFO] running `Command { std: "docker" "start" "-a" "b8b8c17567f42a3d3ef6430342e8e6f5d03ea1bf2fbbcbe0e0e87d04ac8605c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-merge-sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "b8b8c17567f42a3d3ef6430342e8e6f5d03ea1bf2fbbcbe0e0e87d04ac8605c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b8c17567f42a3d3ef6430342e8e6f5d03ea1bf2fbbcbe0e0e87d04ac8605c8", kill_on_drop: false }`
[INFO] [stdout] b8b8c17567f42a3d3ef6430342e8e6f5d03ea1bf2fbbcbe0e0e87d04ac8605c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 728ee15cd1088e446d7da5edf1be619d0bde263728a7294af41da21c351a464f
[INFO] running `Command { std: "docker" "start" "-a" "728ee15cd1088e446d7da5edf1be619d0bde263728a7294af41da21c351a464f", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-merge-sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "728ee15cd1088e446d7da5edf1be619d0bde263728a7294af41da21c351a464f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728ee15cd1088e446d7da5edf1be619d0bde263728a7294af41da21c351a464f", kill_on_drop: false }`
[INFO] [stdout] 728ee15cd1088e446d7da5edf1be619d0bde263728a7294af41da21c351a464f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2ce65505b733ebf9048247d20f27769e9b5b02905d6bfddb0242ec370d2934a
[INFO] running `Command { std: "docker" "start" "-a" "e2ce65505b733ebf9048247d20f27769e9b5b02905d6bfddb0242ec370d2934a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_merge_sort-087dab125fb28e51)
[INFO] [stdout] test tests::desc ... ok
[INFO] [stdout] test tests::not_desc ... ok
[INFO] [stdout] test tests::one_not_desc ... ok
[INFO] [stdout] test tests::emepy ... ok
[INFO] [stdout] test tests::infinite_not_desc ... ok
[INFO] [stdout] test tests::one_desc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_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" "e2ce65505b733ebf9048247d20f27769e9b5b02905d6bfddb0242ec370d2934a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ce65505b733ebf9048247d20f27769e9b5b02905d6bfddb0242ec370d2934a", kill_on_drop: false }`
[INFO] [stdout] e2ce65505b733ebf9048247d20f27769e9b5b02905d6bfddb0242ec370d2934a