[INFO] crate fp-collections 0.0.1 is already in cache
[INFO] testing fp-collections-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate fp-collections 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fp-collections 0.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fp-collections 0.0.1
[INFO] finished tweaking crates.io crate fp-collections 0.0.1
[INFO] tweaked toml for crates.io crate fp-collections 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate fp-collections 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a15e629d63bc9ecdb8a4dcce722d8dc15609144011792998435e87ba955451cf
[INFO] running `"docker" "start" "-a" "a15e629d63bc9ecdb8a4dcce722d8dc15609144011792998435e87ba955451cf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fp-collections v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `"docker" "inspect" "a15e629d63bc9ecdb8a4dcce722d8dc15609144011792998435e87ba955451cf"`
[INFO] running `"docker" "rm" "-f" "a15e629d63bc9ecdb8a4dcce722d8dc15609144011792998435e87ba955451cf"`
[INFO] [stdout] a15e629d63bc9ecdb8a4dcce722d8dc15609144011792998435e87ba955451cf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91d752fc54b60f0b517b7b66ef0ff8f4b2698c6e2167ef3eed019b4d89fa41f8
[INFO] running `"docker" "start" "-a" "91d752fc54b60f0b517b7b66ef0ff8f4b2698c6e2167ef3eed019b4d89fa41f8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fp-collections v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "91d752fc54b60f0b517b7b66ef0ff8f4b2698c6e2167ef3eed019b4d89fa41f8"`
[INFO] running `"docker" "rm" "-f" "91d752fc54b60f0b517b7b66ef0ff8f4b2698c6e2167ef3eed019b4d89fa41f8"`
[INFO] [stdout] 91d752fc54b60f0b517b7b66ef0ff8f4b2698c6e2167ef3eed019b4d89fa41f8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 0b2a647437a122cd4fafbcc9b2c1d1b61ab864b3ba42c0e1cf7165c5e8d157a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0b2a647437a122cd4fafbcc9b2c1d1b61ab864b3ba42c0e1cf7165c5e8d157a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fp_collections-121a49e7399cbcf5
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/list-e53107acf5a79d55
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test ls_concat::it_concat_two_empty_lists ... ok
[INFO] [stdout] test ls_concat::it_concat_list_and_empty_list ... ok
[INFO] [stdout] test ls_filter::it_filters_out_a_list_of_even_numbers ... ok
[INFO] [stdout] test ls_foldl::it_sums_an_empty_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_head::it_returns_none_if_it_doesnt_exists ... ok
[INFO] [stdout] test it_creates_list ... ok
[INFO] [stdout] test ls_clone::it_clone_list_correctly ... ok
[INFO] [stdout] test ls_concat::it_concat_empty_list_list ... ok
[INFO] [stdout] test ls_concat::it_concat_two_lists ... ok
[INFO] [stdout] test ls_eq::it_returns_false_for_different_lengths ... ok
[INFO] [stdout] test list_from::it_returns_list_from_array ... ok
[INFO] [stdout] test ls_prepend::it_prepends_an_item_to_an_empty_list ... ok
[INFO] [stdout] test ls_append::it_prepends_an_item_to_an_empty_list ... ok
[INFO] [stdout] test ls_append::it_prepends_an_item_to_the_list ... ok
[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_tail::it_returns_some_head_if_it_exists ... ok
[INFO] [stdout] test ls_filter::it_filters_an_empty_list ... ok
[INFO] [stdout] test ls_foldl::it_sums_a_list ... ok
[INFO] [stdout] test ls_is_empty::it_returns_true_for_empty_list ... ok
[INFO] [stdout] test ls_map::it_maps_a_list ... ok
[INFO] [stdout] test ls_tail::it_returns_none_if_it_doesnt_exists ... ok
[INFO] [stdout] test list_from::it_returns_list_from_iterator ... ok
[INFO] [stdout] test ls_map::it_maps_an_empty_list ... ok
[INFO] [stdout] test ls_prepend::it_prepends_an_item_to_the_list ... ok
[INFO] [stdout] test ls_is_empty::it_returns_false_for_nonempty_list ... ok
[INFO] [stdout] test ls_head::it_returns_some_head_if_it_exists ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0b2a647437a122cd4fafbcc9b2c1d1b61ab864b3ba42c0e1cf7165c5e8d157a4"`
[INFO] running `"docker" "rm" "-f" "0b2a647437a122cd4fafbcc9b2c1d1b61ab864b3ba42c0e1cf7165c5e8d157a4"`
[INFO] [stdout] 0b2a647437a122cd4fafbcc9b2c1d1b61ab864b3ba42c0e1cf7165c5e8d157a4