[INFO] fetching crate fp-collections 0.0.1...
[INFO] testing fp-collections-0.0.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate fp-collections 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fp-collections 0.0.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] crate crates.io crate fp-collections 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93c73f7a283953d6bcadba01cc1b19ecc682ecb780ec523ac901620d11562de6
[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" "93c73f7a283953d6bcadba01cc1b19ecc682ecb780ec523ac901620d11562de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93c73f7a283953d6bcadba01cc1b19ecc682ecb780ec523ac901620d11562de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c73f7a283953d6bcadba01cc1b19ecc682ecb780ec523ac901620d11562de6", kill_on_drop: false }`
[INFO] [stdout] 93c73f7a283953d6bcadba01cc1b19ecc682ecb780ec523ac901620d11562de6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 957f3fda8b340c9c43f5f7681d7c05f7d6160f6d4c4564f93e1d7748799a9d51
[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" "957f3fda8b340c9c43f5f7681d7c05f7d6160f6d4c4564f93e1d7748799a9d51", kill_on_drop: false }`
[INFO] [stderr]    Compiling fp-collections v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "957f3fda8b340c9c43f5f7681d7c05f7d6160f6d4c4564f93e1d7748799a9d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957f3fda8b340c9c43f5f7681d7c05f7d6160f6d4c4564f93e1d7748799a9d51", kill_on_drop: false }`
[INFO] [stdout] 957f3fda8b340c9c43f5f7681d7c05f7d6160f6d4c4564f93e1d7748799a9d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a729c318b61eb13595944b3501bd9113ca5e8f2dec21d97d90cb80ee9dfc300d
[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" "a729c318b61eb13595944b3501bd9113ca5e8f2dec21d97d90cb80ee9dfc300d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fp-collections v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "a729c318b61eb13595944b3501bd9113ca5e8f2dec21d97d90cb80ee9dfc300d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a729c318b61eb13595944b3501bd9113ca5e8f2dec21d97d90cb80ee9dfc300d", kill_on_drop: false }`
[INFO] [stdout] a729c318b61eb13595944b3501bd9113ca5e8f2dec21d97d90cb80ee9dfc300d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df44251dd7882f5b3ebbc7bb638dffa4af0e22479f0052e0e2847ba847559248
[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" "df44251dd7882f5b3ebbc7bb638dffa4af0e22479f0052e0e2847ba847559248", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fp_collections-7f33c7d037551d2e
[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/list-8807fd6023d7370b
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test it_creates_list ... ok
[INFO] [stdout] test list_from::it_returns_list_from_array ... ok
[INFO] [stdout] test ls_append::it_prepends_an_item_to_the_list ... ok
[INFO] [stdout] test list_from::it_returns_list_from_iterator ... ok
[INFO] [stdout] test ls_clone::it_clone_list_correctly ... ok
[INFO] [stdout] test ls_concat::it_concat_list_and_empty_list ... ok
[INFO] [stdout] test ls_concat::it_concat_two_empty_lists ... ok
[INFO] [stdout] test ls_concat::it_concat_two_lists ... ok
[INFO] [stdout] test ls_eq::it_returns_false_for_different_lengths ... ok
[INFO] [stderr]    Doc-tests fp-collections
[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_filter::it_filters_out_a_list_of_even_numbers ... ok
[INFO] [stdout] test ls_foldl::it_sums_a_list ... 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 ls_head::it_returns_some_head_if_it_exists ... ok
[INFO] [stdout] test ls_is_empty::it_returns_true_for_empty_list ... ok
[INFO] [stdout] test ls_is_empty::it_returns_false_for_nonempty_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 ls_tail::it_returns_none_if_it_doesnt_exists ... 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_tail::it_returns_some_head_if_it_exists ... ok
[INFO] [stdout] test ls_append::it_prepends_an_item_to_an_empty_list ... ok
[INFO] [stdout] test ls_concat::it_concat_empty_list_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "df44251dd7882f5b3ebbc7bb638dffa4af0e22479f0052e0e2847ba847559248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df44251dd7882f5b3ebbc7bb638dffa4af0e22479f0052e0e2847ba847559248", kill_on_drop: false }`
[INFO] [stdout] df44251dd7882f5b3ebbc7bb638dffa4af0e22479f0052e0e2847ba847559248