[INFO] fetching crate fp-collections 0.0.2...
[INFO] testing fp-collections-0.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fp-collections 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fp-collections 0.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fp-collections 0.0.2
[INFO] finished tweaking crates.io crate fp-collections 0.0.2
[INFO] tweaked toml for crates.io crate fp-collections 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fp-collections 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9de4565f637e90e1c6c892e627753fa6f3a8f2120d107f4bac64815f623b700
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9de4565f637e90e1c6c892e627753fa6f3a8f2120d107f4bac64815f623b700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9de4565f637e90e1c6c892e627753fa6f3a8f2120d107f4bac64815f623b700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9de4565f637e90e1c6c892e627753fa6f3a8f2120d107f4bac64815f623b700", kill_on_drop: false }`
[INFO] [stdout] b9de4565f637e90e1c6c892e627753fa6f3a8f2120d107f4bac64815f623b700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc47ee540396dabc424d3762cd10f48df71246853ac226951eb678f12e21d0c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc47ee540396dabc424d3762cd10f48df71246853ac226951eb678f12e21d0c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fp-collections v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "cc47ee540396dabc424d3762cd10f48df71246853ac226951eb678f12e21d0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc47ee540396dabc424d3762cd10f48df71246853ac226951eb678f12e21d0c3", kill_on_drop: false }`
[INFO] [stdout] cc47ee540396dabc424d3762cd10f48df71246853ac226951eb678f12e21d0c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8accea44c7d5badd9f0ed45b7d407c00126e14853c23f3809d49e09845033af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e8accea44c7d5badd9f0ed45b7d407c00126e14853c23f3809d49e09845033af", kill_on_drop: false }`
[INFO] [stderr]    Compiling fp-collections v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "e8accea44c7d5badd9f0ed45b7d407c00126e14853c23f3809d49e09845033af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8accea44c7d5badd9f0ed45b7d407c00126e14853c23f3809d49e09845033af", kill_on_drop: false }`
[INFO] [stdout] e8accea44c7d5badd9f0ed45b7d407c00126e14853c23f3809d49e09845033af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2a374b37108b71dc3ec51e8e7427ba30a07102d60a452a8f2633ef060a941e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d2a374b37108b71dc3ec51e8e7427ba30a07102d60a452a8f2633ef060a941e7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fp_collections-f5aa04ccd9cf20a0
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/helpers-98da1e897d5f95e2
[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] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/list-08a83a6a6911b07b
[INFO] [stdout] running 7 tests
[INFO] [stdout] test compose2::it_composes_different_types ... ok
[INFO] [stdout] test compose::it_composes_same_types ... ok
[INFO] [stdout] test compose::it_composes_different_types ... ok
[INFO] [stdout] test identity::it_can_be_used_pointfree ... ok
[INFO] [stdout] test identity::it_returns_what_it_gets ... ok
[INFO] [stdout] test constant::it_returns_a_getter ... ok
[INFO] [stdout] test compose2::it_composes_same_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test ls_eq::it_returns_false_if_different ... ok
[INFO] [stdout] test ls_eq::it_returns_true_if_same ... ok
[INFO] [stdout] test ls_filter::it_filters_an_empty_list ... ok
[INFO] [stdout] test ls_eq::it_returns_false_for_different_lengths ... ok
[INFO] [stdout] test ls_concat::it_concat_two_lists ... ok
[INFO] [stdout] test ls_concat::it_concat_two_empty_lists ... ok
[INFO] [stdout] test ls_filter::it_filters_out_a_list_of_even_numbers ... ok
[INFO] [stdout] test ls_foldl::it_sums_a_list ... ok
[INFO] [stdout] test ls_concat::it_concat_list_and_empty_list ... ok
[INFO] [stdout] test ls_foldl::it_sums_an_empty_list ... ok
[INFO] [stdout] test ls_head::it_returns_some_head_if_it_exists ... ok
[INFO] [stdout] test ls_foldr::it_sums_a_list ... ok
[INFO] [stdout] test ls_get::it_returns_none_if_it_doesnt_exists ... ok
[INFO] [stdout] test ls_get::it_returns_some_item_at_index_if_it_exists ... ok
[INFO] [stdout] test ls_concat::it_concat_empty_list_list ... ok
[INFO] [stdout] test ls_head::it_returns_none_if_it_doesnt_exists ... ok
[INFO] [stdout] test ls_is_empty::it_returns_false_for_nonempty_list ... ok
[INFO] [stdout] test ls_prepend::it_prepends_an_item_to_an_empty_list ... ok
[INFO] [stdout] test ls_prepend::it_prepends_an_item_to_the_list ... ok
[INFO] [stdout] test ls_qsort::it_is_identity_for_sorted_list ... ok
[INFO] [stdout] test ls_qsort::it_returns_empty_for_empty_list ... ok
[INFO] [stdout] test ls_qsort::it_sorts_list ... ok
[INFO] [stdout] test ls_qsort_by::it_is_identity_for_sorted_list ... ok
[INFO] [stdout] test ls_qsort_by::it_returns_empty_for_empty_list ... ok
[INFO] [stdout] test ls_qsort_by::it_sorts_list ... ok
[INFO] [stdout] test ls_reverse::it_reverses_list ... ok
[INFO] [stdout] test ls_sort::it_sort_empty_list ... ok
[INFO] [stdout] test ls_sort::it_sort_list ... ok
[INFO] [stdout] test ls_tail::it_returns_none_if_it_doesnt_exists ... ok
[INFO] [stdout] test ls_tail::it_returns_some_head_if_it_exists ... ok
[INFO] [stdout] test list_from::it_returns_list_from_array ... ok
[INFO] [stdout] test ls_clone::it_clone_list_correctly ... ok
[INFO] [stdout] test it_creates_list ... ok
[INFO] [stdout] test ls_merge::it_merge_lists ... ok
[INFO] [stdout] test ls_append::it_prepends_an_item_to_an_empty_list ... ok
[INFO] [stdout] test ls_partition::it_partitions_list ... ok
[INFO] [stdout] test ls_merge::it_merge_list_and_empty_list ... ok
[INFO] [stdout] test ls_map::it_maps_a_list ... ok
[INFO] [stdout] test ls_map::it_maps_an_empty_list ... ok
[INFO] [stdout] test list_from::it_returns_list_from_iterator ... ok
[INFO] [stdout] test ls_is_empty::it_returns_true_for_empty_list ... ok
[INFO] [stdout] test ls_merge::it_merge_empty_lists ... ok
[INFO] [stdout] test ls_append::it_prepends_an_item_to_the_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/set-29ab5f0c05c2f3db
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test set_remove::it_removes_value_from_set ... ok
[INFO] [stdout] test set_mem::it_checks_membership_in_set ... ok
[INFO] [stdout] test set_max_elt::it_returns_max_element_in_set ... ok
[INFO] [stdout] test set_from_vec::it_returns_vec_from_set ... ok
[INFO] [stdout] test set_add::it_adds_values_in_set ... ok
[INFO] [stdout] test set_create ... 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 fp-collections
[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" "d2a374b37108b71dc3ec51e8e7427ba30a07102d60a452a8f2633ef060a941e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a374b37108b71dc3ec51e8e7427ba30a07102d60a452a8f2633ef060a941e7", kill_on_drop: false }`
[INFO] [stdout] d2a374b37108b71dc3ec51e8e7427ba30a07102d60a452a8f2633ef060a941e7