[INFO] fetching crate frunk_core 0.4.0...
[INFO] testing frunk_core-0.4.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate frunk_core 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate frunk_core 0.4.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frunk_core 0.4.0
[INFO] finished tweaking crates.io crate frunk_core 0.4.0
[INFO] tweaked toml for crates.io crate frunk_core 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 647862e6803f0035efe6311ec509e612a0f9f821d5fd96dfe6ecadec67d9dbe9
[INFO] running `Command { std: "docker" "start" "-a" "647862e6803f0035efe6311ec509e612a0f9f821d5fd96dfe6ecadec67d9dbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "647862e6803f0035efe6311ec509e612a0f9f821d5fd96dfe6ecadec67d9dbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647862e6803f0035efe6311ec509e612a0f9f821d5fd96dfe6ecadec67d9dbe9", kill_on_drop: false }`
[INFO] [stdout] 647862e6803f0035efe6311ec509e612a0f9f821d5fd96dfe6ecadec67d9dbe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af7a3679a3cfe07d404c2f28a5be8efd2e0fdb9c0dc9099c8a578c410f033c7e
[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" "af7a3679a3cfe07d404c2f28a5be8efd2e0fdb9c0dc9099c8a578c410f033c7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling frunk_core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "af7a3679a3cfe07d404c2f28a5be8efd2e0fdb9c0dc9099c8a578c410f033c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7a3679a3cfe07d404c2f28a5be8efd2e0fdb9c0dc9099c8a578c410f033c7e", kill_on_drop: false }`
[INFO] [stdout] af7a3679a3cfe07d404c2f28a5be8efd2e0fdb9c0dc9099c8a578c410f033c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f132e464f84ee8707cdd878ecc6696fc4edbc4e7b8881e661c86d962e0103861
[INFO] running `Command { std: "docker" "start" "-a" "f132e464f84ee8707cdd878ecc6696fc4edbc4e7b8881e661c86d962e0103861", kill_on_drop: false }`
[INFO] [stderr]    Compiling frunk_core v0.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.0.5
[INFO] [stderr]    Compiling frunk_derives v0.3.2
[INFO] [stderr]    Compiling frunk_proc_macros_impl v0.0.5
[INFO] [stderr]    Compiling frunk_proc_macros v0.0.5
[INFO] [stderr]    Compiling frunk v0.3.2
[INFO] [stderr]    Compiling frunk_core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]     --> src/coproduct.rs:1125:21
[INFO] [stdout]      |
[INFO] [stdout] 1125 |                 let res: Result<CNil, _> = cnil.subset();
[INFO] [stdout]      |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` 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 11.68s
[INFO] running `Command { std: "docker" "inspect" "f132e464f84ee8707cdd878ecc6696fc4edbc4e7b8881e661c86d962e0103861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f132e464f84ee8707cdd878ecc6696fc4edbc4e7b8881e661c86d962e0103861", kill_on_drop: false }`
[INFO] [stdout] f132e464f84ee8707cdd878ecc6696fc4edbc4e7b8881e661c86d962e0103861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfd2ff2446d33c546737635e9af6391f4f93b990e9c8260c06aa41758f3f3e0d
[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" "bfd2ff2446d33c546737635e9af6391f4f93b990e9c8260c06aa41758f3f3e0d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stdout] running 57 tests
[INFO] [stderr]     --> src/coproduct.rs:1125:21
[INFO] [stdout] test coproduct::tests::test_coproduct_poly_fold_consuming ... ok
[INFO] [stderr]      |
[INFO] [stdout] test coproduct::tests::test_coproduct_subset ... ok
[INFO] [stderr] 1125 |                 let res: Result<CNil, _> = cnil.subset();
[INFO] [stdout] test coproduct::tests::test_coproduct_uninject ... ok
[INFO] [stderr]      |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] test hlist::tests::test_Hlist_macro ... ok
[INFO] [stderr]      |
[INFO] [stdout] test hlist::tests::test_add ... ok
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] test hlist::tests::test_contained_list ... ok
[INFO] [stderr] 
[INFO] [stdout] test hlist::tests::test_foldl_consuming ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] test hlist::tests::test_foldl_non_consuming ... ok
[INFO] [stderr] 
[INFO] [stdout] test hlist::tests::test_foldr_consuming ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test hlist::tests::test_foldr_non_consuming ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/frunk_core-ede69c5448716616)
[INFO] [stdout] test hlist::tests::test_hcons ... ok
[INFO] [stdout] test hlist::tests::test_hlist_macro ... ok
[INFO] [stdout] test hlist::tests::test_into_reverse ... ok
[INFO] [stdout] test hlist::tests::test_into_vec ... ok
[INFO] [stdout] test hlist::tests::test_len_const ... ok
[INFO] [stdout] test hlist::tests::test_lift ... ok
[INFO] [stdout] test hlist::tests::test_map_consuming ... ok
[INFO] [stdout] test hlist::tests::test_map_non_consuming ... ok
[INFO] [stdout] test hlist::tests::test_map_single_func_consuming ... ok
[INFO] [stdout] test hlist::tests::test_map_single_func_non_consuming ... ok
[INFO] [stdout] test hlist::tests::test_pattern_matching ... ok
[INFO] [stdout] test hlist::tests::test_pluck ... ok
[INFO] [stdout] test hlist::tests::test_poly_foldl_consuming ... ok
[INFO] [stdout] test hlist::tests::test_poly_foldr_consuming ... ok
[INFO] [stdout] test hlist::tests::test_poly_map_consuming ... ok
[INFO] [stdout] test hlist::tests::test_poly_map_non_consuming ... ok
[INFO] [stdout] test hlist::tests::test_sculpt ... ok
[INFO] [stdout] test coproduct::tests::test_coproduct_fold_consuming ... ok
[INFO] [stdout] test hlist::tests::test_single_func_foldl_non_consuming ... ok
[INFO] [stdout] test hlist::tests::test_single_func_foldl_consuming ... ok
[INFO] [stdout] test hlist::tests::test_single_func_foldr_consuming ... ok
[INFO] [stdout] test coproduct::tests::test_coproduct_inject ... ok
[INFO] [stdout] test hlist::tests::test_zip_composes ... ok
[INFO] [stdout] test hlist::tests::test_zip_easy ... ok
[INFO] [stdout] test labelled::tests::test_transmogrify_hcons_sculpting_required_simple ... ok
[INFO] [stdout] test labelled::tests::test_name ... ok
[INFO] [stdout] test labelled::tests::test_label_new_building ... ok
[INFO] [stdout] test labelled::tests::test_transmogrify_hcons_recursive_simple ... ok
[INFO] [stdout] test labelled::tests::test_transmogrify_hcons_sculpting_somewhat_simple ... ok
[INFO] [stdout] test labelled::tests::test_field_debug ... ok
[INFO] [stdout] test labelled::tests::test_transmogrify_identical_transform_labelled_fields ... ok
[INFO] [stdout] test labelled::tests::test_field_construction ... ok
[INFO] [stdout] test coproduct::tests::test_coproduct_embed ... ok
[INFO] [stdout] test labelled::tests::test_transmogrify_through_containers ... ok
[INFO] [stdout] test labelled::tests::test_unlabelling ... ok
[INFO] [stdout] test labelled::chars::simple_var_names_are_allowed ... ok
[INFO] [stdout] test labelled::tests::test_value_labelling ... ok
[INFO] [stdout] test labelled::tests::test_anonymous_record_usage ... ok
[INFO] [stdout] test macros::tests::ellipsis_ignore ... ok
[INFO] [stdout] test macros::tests::poly_fn_macro_test ... ok
[INFO] [stdout] test macros::tests::trailing_commas ... ok
[INFO] [stdout] test macros::tests::poly_fn_macro_coproduct_test ... ok
[INFO] [stdout] test labelled::tests::test_transmogrify_hcons_sculpting_super_simple ... ok
[INFO] [stdout] test labelled::tests::test_transmogrify_hnil_identity ... ok
[INFO] [stdout] test macros::tests::poly_fn_macro_trailing_commas_test ... ok
[INFO] [stdout] test macros::tests::ellipsis_tail ... ok
[INFO] [stderr]    Doc-tests frunk_core
[INFO] [stdout] test coproduct::tests::test_coproduct_fold_non_consuming ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 79 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name frunk_core --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern frunk=/opt/rustwide/target/debug/deps/libfrunk-ec4c0d95de017596.rlib --extern frunk_core=/opt/rustwide/target/debug/deps/libfrunk_core-b2d0600aa6f9fba4.rlib --extern frunk_derives=/opt/rustwide/target/debug/deps/libfrunk_derives-430fd2db5b6e26f5.so --extern frunk_proc_macros=/opt/rustwide/target/debug/deps/libfrunk_proc_macros-c7630fadb773d6d6.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bfd2ff2446d33c546737635e9af6391f4f93b990e9c8260c06aa41758f3f3e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd2ff2446d33c546737635e9af6391f4f93b990e9c8260c06aa41758f3f3e0d", kill_on_drop: false }`
[INFO] [stdout] bfd2ff2446d33c546737635e9af6391f4f93b990e9c8260c06aa41758f3f3e0d