[INFO] fetching crate futures-signals 0.3.22...
[INFO] testing futures-signals-0.3.22 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-signals 0.3.22 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate futures-signals 0.3.22 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-signals 0.3.22
[INFO] finished tweaking crates.io crate futures-signals 0.3.22
[INFO] tweaked toml for crates.io crate futures-signals 0.3.22 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96df94173c52e9c1ce3b784ae73117e140d5701410e7bc68824313189daa88c6
[INFO] running `Command { std: "docker" "start" "-a" "96df94173c52e9c1ce3b784ae73117e140d5701410e7bc68824313189daa88c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96df94173c52e9c1ce3b784ae73117e140d5701410e7bc68824313189daa88c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96df94173c52e9c1ce3b784ae73117e140d5701410e7bc68824313189daa88c6", kill_on_drop: false }`
[INFO] [stdout] 96df94173c52e9c1ce3b784ae73117e140d5701410e7bc68824313189daa88c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b5257668b7136ab2ce0d8dcbe9e17b064cfd9609240a90b306caccb666cb4eb
[INFO] running `Command { std: "docker" "start" "-a" "7b5257668b7136ab2ce0d8dcbe9e17b064cfd9609240a90b306caccb666cb4eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling futures-signals v0.3.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.88s
[INFO] running `Command { std: "docker" "inspect" "7b5257668b7136ab2ce0d8dcbe9e17b064cfd9609240a90b306caccb666cb4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5257668b7136ab2ce0d8dcbe9e17b064cfd9609240a90b306caccb666cb4eb", kill_on_drop: false }`
[INFO] [stdout] 7b5257668b7136ab2ce0d8dcbe9e17b064cfd9609240a90b306caccb666cb4eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd0f7e0771992bb946bc3ce8c5feabd6413aa74321d6f18dca820f19096d25c6
[INFO] running `Command { std: "docker" "start" "-a" "bd0f7e0771992bb946bc3ce8c5feabd6413aa74321d6f18dca820f19096d25c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures-signals v0.3.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "bd0f7e0771992bb946bc3ce8c5feabd6413aa74321d6f18dca820f19096d25c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0f7e0771992bb946bc3ce8c5feabd6413aa74321d6f18dca820f19096d25c6", kill_on_drop: false }`
[INFO] [stdout] bd0f7e0771992bb946bc3ce8c5feabd6413aa74321d6f18dca820f19096d25c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcb15ed7c4783706e9b97a3c32b536351ec22dec35f95030f830914f74709699
[INFO] running `Command { std: "docker" "start" "-a" "dcb15ed7c4783706e9b97a3c32b536351ec22dec35f95030f830914f74709699", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_signals-ef5f11ae40cce661)
[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] [stderr]      Running tests/broadcaster.rs (/opt/rustwide/target/debug/deps/broadcaster-c169f5befeb3fead)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_broadcaster_always ... ok
[INFO] [stdout] test test_broadcaster_drop ... ok
[INFO] [stdout] test test_broadcaster_multiple ... ok
[INFO] [stdout] test test_broadcaster ... ok
[INFO] [stdout] test test_broadcaster_signal_ref ... ok
[INFO] [stdout] test test_polls ... 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]      Running tests/future.rs (/opt/rustwide/target/debug/deps/future-b4c4e9c3ea92aa8c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_cancelable_future ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/map_macro.rs (/opt/rustwide/target/debug/deps/map_macro-ec37b0186ffc1aa5)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test map_mut::ident_1 ... ok
[INFO] [stdout] test map_mut::ident_2 ... ok
[INFO] [stdout] test map_mut::clone ... ok
[INFO] [stdout] test map_mut::ident_3 ... ok
[INFO] [stdout] test map_mut::ident_4 ... ok
[INFO] [stdout] test map_mut::ident_5 ... ok
[INFO] [stdout] test map_mut::let_2 ... ok
[INFO] [stdout] test map_mut::let_1 ... ok
[INFO] [stdout] test map_mut::let_3 ... ok
[INFO] [stdout] test map_mut::let_4 ... ok
[INFO] [stdout] test map_mut::let_5 ... ok
[INFO] [stdout] test map_mut::let_pat_1 ... ok
[INFO] [stdout] test map_mut::let_pat_2 ... ok
[INFO] [stdout] test map_mut::let_pat_3 ... ok
[INFO] [stdout] test map_mut::let_pat_5 ... ok
[INFO] [stdout] test map_mut::let_pat_4 ... ok
[INFO] [stdout] test map_mut::send_sync ... ok
[INFO] [stdout] test map_ref::clone ... ok
[INFO] [stdout] test map_ref::ident_1 ... ok
[INFO] [stdout] test map_ref::ident_2 ... ok
[INFO] [stdout] test map_ref::ident_3 ... ok
[INFO] [stdout] test map_ref::ident_4 ... ok
[INFO] [stdout] test map_ref::ident_5 ... ok
[INFO] [stdout] test map_ref::let_1 ... ok
[INFO] [stdout] test map_ref::let_2 ... ok
[INFO] [stdout] test map_ref::let_3 ... ok
[INFO] [stdout] test map_ref::let_4 ... ok
[INFO] [stdout] test map_ref::let_5 ... ok
[INFO] [stdout] test map_ref::let_pat_1 ... ok
[INFO] [stdout] test map_ref::let_pat_2 ... ok
[INFO] [stdout] test map_ref::let_pat_3 ... ok
[INFO] [stdout] test map_ref::let_pat_4 ... ok
[INFO] [stdout] test map_ref::let_pat_5 ... ok
[INFO] [stdout] test map_ref::send_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mutable.rs (/opt/rustwide/target/debug/deps/mutable-4724361ec169a4c7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_lock_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mutable_btree_map.rs (/opt/rustwide/target/debug/deps/mutable_btree_map-16a9396575e067c9)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test insert_and_remove ... ok
[INFO] [stdout] test insert_cloned ... ok
[INFO] [stdout] test signal_map ... ok
[INFO] [stdout] test signal_map_cloned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mutable_vec.rs (/opt/rustwide/target/debug/deps/mutable_vec-acddcf5a51f4ab7f)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_drain ... ok
[INFO] [stdout] test test_eq ... ok
[INFO] [stdout] test test_extend ... ok
[INFO] [stdout] test test_move_from_to ... ok
[INFO] [stdout] test test_ord ... ok
[INFO] [stdout] test test_push ... ok
[INFO] [stdout] test test_reverse ... ok
[INFO] [stdout] test test_swap ... ok
[INFO] [stdout] test test_truncate ... ok
[INFO] [stdout] test test_drain_panic_end - should panic ... ok
[INFO] [stdout] test test_drain_panic_swap - should panic ... ok
[INFO] [stdout] test test_drain_panic_included_end - should panic ... ok
[INFO] [stdout] test test_drain_panic_start - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/signal.rs (/opt/rustwide/target/debug/deps/signal-8e8ca4b5f74e3b1f)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_always ... ok
[INFO] [stdout] test test_eq ... ok
[INFO] [stdout] test test_map ... ok
[INFO] [stdout] test test_map_future ... ok
[INFO] [stdout] test test_mutable ... ok
[INFO] [stdout] test test_mutable_drop ... ok
[INFO] [stdout] test test_neq ... ok
[INFO] [stdout] test test_send_sync ... ok
[INFO] [stdout] test test_switch_signal_vec ... ok
[INFO] [stdout] test test_throttle ... ok
[INFO] [stdout] test test_throttle_timing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/signal_map.rs (/opt/rustwide/target/debug/deps/signal_map-3c54f20c439c4a28)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test key_cloned_does_not_exist_at_start ... ok
[INFO] [stdout] test key_cloned_exists_at_start ... ok
[INFO] [stdout] test key_cloned_empty ... ok
[INFO] [stdout] test map_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/signal_vec.rs (/opt/rustwide/target/debug/deps/signal_vec-e9fba107bbc4bbf3)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test debug_to_signal_cloned ... ok
[INFO] [stdout] test filter ... ok
[INFO] [stdout] test filter_map ... ok
[INFO] [stdout] test is_empty ... ok
[INFO] [stdout] test len ... ok
[INFO] [stdout] test sum ... ok
[INFO] [stdout] test sync ... ok
[INFO] [stdout] test to_signal_cloned ... ok
[INFO] [stdout] test to_signal_map ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-signals
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name futures_signals --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern discard=/opt/rustwide/target/debug/deps/libdiscard-166bdae8beb99e0a.rlib --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-d1daf2f6498cca57.rlib --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-f3d5418223d2fe38.rlib --extern futures_executor=/opt/rustwide/target/debug/deps/libfutures_executor-4124c0d55bcda4cb.rlib --extern futures_signals=/opt/rustwide/target/debug/deps/libfutures_signals-a40c98973dbdd2bf.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-88a4c9c53bc98904.rlib --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-59de1b720d485df9.rlib --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-179c4ec3b1bb6929.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e1e7584dcba0a5cc.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "dcb15ed7c4783706e9b97a3c32b536351ec22dec35f95030f830914f74709699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb15ed7c4783706e9b97a3c32b536351ec22dec35f95030f830914f74709699", kill_on_drop: false }`
[INFO] [stdout] dcb15ed7c4783706e9b97a3c32b536351ec22dec35f95030f830914f74709699