[INFO] fetching crate clustr 0.1.2...
[INFO] testing clustr-0.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate clustr 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate clustr 0.1.2
[INFO] finished tweaking crates.io crate clustr 0.1.2
[INFO] tweaked toml for crates.io crate clustr 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate clustr 0.1.2 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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 edit-distance v2.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfd19118ed6527b930f4aa436299f10ee69813c47c4e392b8687c21e91460e2e
[INFO] running `Command { std: "docker" "start" "-a" "bfd19118ed6527b930f4aa436299f10ee69813c47c4e392b8687c21e91460e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd19118ed6527b930f4aa436299f10ee69813c47c4e392b8687c21e91460e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd19118ed6527b930f4aa436299f10ee69813c47c4e392b8687c21e91460e2e", kill_on_drop: false }`
[INFO] [stdout] bfd19118ed6527b930f4aa436299f10ee69813c47c4e392b8687c21e91460e2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] eade7fba7710df3b1625c238b008ce625e82ffb3f86948c02b6f5d58620d65d2
[INFO] running `Command { std: "docker" "start" "-a" "eade7fba7710df3b1625c238b008ce625e82ffb3f86948c02b6f5d58620d65d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling edit-distance v2.1.3
[INFO] [stderr]    Compiling fast-math v0.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling clustr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "eade7fba7710df3b1625c238b008ce625e82ffb3f86948c02b6f5d58620d65d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eade7fba7710df3b1625c238b008ce625e82ffb3f86948c02b6f5d58620d65d2", kill_on_drop: false }`
[INFO] [stdout] eade7fba7710df3b1625c238b008ce625e82ffb3f86948c02b6f5d58620d65d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7d4039900062bddfa3dab442f2ccbbf369438a53c4a6fbc37a5d87308eea3541
[INFO] running `Command { std: "docker" "start" "-a" "7d4039900062bddfa3dab442f2ccbbf369438a53c4a6fbc37a5d87308eea3541", kill_on_drop: false }`
[INFO] [stderr]    Compiling clustr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "7d4039900062bddfa3dab442f2ccbbf369438a53c4a6fbc37a5d87308eea3541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4039900062bddfa3dab442f2ccbbf369438a53c4a6fbc37a5d87308eea3541", kill_on_drop: false }`
[INFO] [stdout] 7d4039900062bddfa3dab442f2ccbbf369438a53c4a6fbc37a5d87308eea3541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 38ecebc498d1535f8ea435f903835b083989a4f2238ae5ec4283aee760c3e5d2
[INFO] running `Command { std: "docker" "start" "-a" "38ecebc498d1535f8ea435f903835b083989a4f2238ae5ec4283aee760c3e5d2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/clustr-c10b691a7fc6b58b)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test clustering::cluster::tests::clusters::test_cluster_correct ... ok
[INFO] [stdout] test clustering::cluster::tests::clusters::test_clusters_formed_below_max_edit_frac ... ok
[INFO] [stdout] test clustering::cluster::tests::clusters::test_no_clusters ... ok
[INFO] [stdout] test clustering::cluster::tests::init_container::test_structure_correct ... ok
[INFO] [stdout] test clustering::merge::tests::merge_clusters::test_merge_max_edit_frac_correct ... ok
[INFO] [stdout] test clustering::merge::tests::merge_clusters::test_merge_no_overlap ... ok
[INFO] [stdout] test clustering::merge::tests::merge_clusters::test_merge_full_overlap ... ok
[INFO] [stdout] test clustering::cluster::tests::clusters::test_clusters_formed_equal_max_edit_frac ... ok
[INFO] [stdout] test metric::similarity::tests::is_similar::is_similar_accepts_max_edit ... ok
[INFO] [stdout] test metric::similarity::tests::max_edit_distance::max_edit_calculation_applies_floor ... ok
[INFO] [stdout] test metric::similarity::tests::is_similar::is_similar_rejects_above_max_edit ... ok
[INFO] [stdout] test metric::similarity::tests::max_edit_distance::max_edit_calculation_correct ... ok
[INFO] [stdout] test clustering::merge::tests::merge_clusters::test_partial_overlap ... ok
[INFO] [stdout] test metric::similarity::tests::is_similar::is_similar_accepts_below_max_edit ... ok
[INFO] [stdout] test metric::similarity::tests::max_edit_distance::max_edit_handles_empty ... ok
[INFO] [stdout] test metric::similarity::tests::max_edit_distance::max_edit_shorted_string_selected ... ok
[INFO] [stdout] test threading::aggregation::tests::test_no_merge ... ok
[INFO] [stdout] test threading::aggregation::tests::test_non_zero_max_edit_frac_one_merge ... ok
[INFO] [stdout] test threading::aggregation::tests::test_one_merge ... ok
[INFO] [stdout] test threading::aggregation::tests::test_two_merge_one_pass ... ok
[INFO] [stdout] test threading::aggregation::tests::test_three_merge ... ok
[INFO] [stdout] test threading::formation::tests::test_correct_equal_work_per_thread ... ok
[INFO] [stdout] test threading::aggregation::tests::test_six_merge_one_pass ... ok
[INFO] [stdout] test threading::aggregation::tests::test_two_merge_multiple_element_clusters ... ok
[INFO] [stdout] test threading::formation::tests::test_unequal_work_per_thread ... ok
[INFO] [stdout] test threading::formation::tests::test_equal_threads_and_inputs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/integration-06d4cdcd4d8c18fe)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_edit_frac_one_accepted ... ok
[INFO] [stdout] test test_reject_edit_frac_above_one ... ok
[INFO] [stdout] test test_one_input_string_accepted ... ok
[INFO] [stdout] test test_reject_more_threads_than_strings ... ok
[INFO] [stdout] test test_reject_empty_vector ... ok
[INFO] [stdout] test test_basic_correctness ... ok
[INFO] [stdout] test test_reject_max_edit_frac_below_zero ... ok
[INFO] [stdout] test test_reject_zero_threads_commissioned ... ok
[INFO] [stdout] test test_edit_frac_zero_accepted ... ok
[INFO] [stdout] test test_edit_frac_applied_correctly ... ok
[INFO] [stdout] test test_output_consistent_across_thread_counts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "38ecebc498d1535f8ea435f903835b083989a4f2238ae5ec4283aee760c3e5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ecebc498d1535f8ea435f903835b083989a4f2238ae5ec4283aee760c3e5d2", kill_on_drop: false }`
[INFO] [stdout] 38ecebc498d1535f8ea435f903835b083989a4f2238ae5ec4283aee760c3e5d2