[INFO] fetching crate algorithmica 0.1.9...
[INFO] testing algorithmica-0.1.9 against 1.59.0 for beta-1.60-1
[INFO] extracting crate algorithmica 0.1.9 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate algorithmica 0.1.9 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate algorithmica 0.1.9
[INFO] finished tweaking crates.io crate algorithmica 0.1.9
[INFO] tweaked toml for crates.io crate algorithmica 0.1.9 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd5a203acd31bff478eb5b6cad994c03e529071ca25d872268f79e4e2245dd1c
[INFO] running `Command { std: "docker" "start" "-a" "fd5a203acd31bff478eb5b6cad994c03e529071ca25d872268f79e4e2245dd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd5a203acd31bff478eb5b6cad994c03e529071ca25d872268f79e4e2245dd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5a203acd31bff478eb5b6cad994c03e529071ca25d872268f79e4e2245dd1c", kill_on_drop: false }`
[INFO] [stdout] fd5a203acd31bff478eb5b6cad994c03e529071ca25d872268f79e4e2245dd1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd17c48fd4bd435004438981a1da48435c36458c7852b46db2f52e7727ba9acb
[INFO] running `Command { std: "docker" "start" "-a" "dd17c48fd4bd435004438981a1da48435c36458c7852b46db2f52e7727ba9acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithmica v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "dd17c48fd4bd435004438981a1da48435c36458c7852b46db2f52e7727ba9acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd17c48fd4bd435004438981a1da48435c36458c7852b46db2f52e7727ba9acb", kill_on_drop: false }`
[INFO] [stdout] dd17c48fd4bd435004438981a1da48435c36458c7852b46db2f52e7727ba9acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68f559454922f74137f039a72eff5cf2930c56078ecaf19801e4f033c5b0f38f
[INFO] running `Command { std: "docker" "start" "-a" "68f559454922f74137f039a72eff5cf2930c56078ecaf19801e4f033c5b0f38f", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithmica v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/search/tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "68f559454922f74137f039a72eff5cf2930c56078ecaf19801e4f033c5b0f38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f559454922f74137f039a72eff5cf2930c56078ecaf19801e4f033c5b0f38f", kill_on_drop: false }`
[INFO] [stdout] 68f559454922f74137f039a72eff5cf2930c56078ecaf19801e4f033c5b0f38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 751b5a27fe44966398dd0f9a16f33685c27e18ccebb7f0e136b64fee46fce23b
[INFO] running `Command { std: "docker" "start" "-a" "751b5a27fe44966398dd0f9a16f33685c27e18ccebb7f0e136b64fee46fce23b", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/search/tests.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algorithmica` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algorithmica-a818dde03eb1a31e)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test graph::tests::test_read_file ... ok
[INFO] [stdout] test math::matrix::test::matrix_mul ... ok
[INFO] [stdout] test math::matrix::test::matrix_add ... ok
[INFO] [stdout] test search::tests::test_int ... ok
[INFO] [stdout] test search::tests::test_str ... ok
[INFO] [stdout] test search::tests::test_struct ... ok
[INFO] [stdout] test sort::heap_sort::tests::sink_test_1 ... ok
[INFO] [stdout] test sort::heap_sort::tests::sink_test_2 ... ok
[INFO] [stdout] test sort::heap_sort::tests::sort_test_1 ... ok
[INFO] [stdout] test sort::heap_sort::tests::sort_test_2 ... ok
[INFO] [stdout] test sort::heap_sort::tests::sort_test_3 ... ok
[INFO] [stdout] test sort::heap_sort::tests::sort_test_4 ... ok
[INFO] [stdout] test sort::heap_sort::tests::swim_test_1 ... ok
[INFO] [stdout] test sort::merge_sort::test::sorting_test ... ok
[INFO] [stdout] test sort::test::bubble_sort_by_fn ... ok
[INFO] [stdout] test sort::test::bubble_sort_int ... ok
[INFO] [stdout] test sort::test::bubble_sort_struct ... ok
[INFO] [stdout] test sort::test::insertion_sort_int ... ok
[INFO] [stdout] test sort::test::insertion_sort_str ... ok
[INFO] [stdout] test sort::test::insertion_sort_struct ... ok
[INFO] [stdout] test sort::test::insertion_sort_struct_by ... ok
[INFO] [stdout] test sort::test::is_sorted_test ... ok
[INFO] [stdout] test sort::test::is_sorted_test_by ... ok
[INFO] [stdout] test sort::test::quick_sort ... ok
[INFO] [stdout] test sort::test::selection_sort_int ... ok
[INFO] [stdout] test sort::test::selection_sort_str ... ok
[INFO] [stdout] test sort::test::quick_sort_struct ... ok
[INFO] [stdout] test sort::test::selection_sort_struct ... ok
[INFO] [stdout] test sort::test::selection_sort_struct_by ... ok
[INFO] [stdout] test subset::test::subset_test_int ... ok
[INFO] [stdout] test tree::bst::test::create ... ignored
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test subset::test::subset_test_string ... ok
[INFO] [stdout] test tree::bst::test::find ... ok
[INFO] [stdout] test tree::test::t ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests algorithmica
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/subset.rs - subset::find_all_subset (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "751b5a27fe44966398dd0f9a16f33685c27e18ccebb7f0e136b64fee46fce23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751b5a27fe44966398dd0f9a16f33685c27e18ccebb7f0e136b64fee46fce23b", kill_on_drop: false }`
[INFO] [stdout] 751b5a27fe44966398dd0f9a16f33685c27e18ccebb7f0e136b64fee46fce23b