[INFO] fetching crate futures-signals 0.3.16...
[INFO] testing futures-signals-0.3.16 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate futures-signals 0.3.16 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate futures-signals 0.3.16 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 futures-signals 0.3.16
[INFO] finished tweaking crates.io crate futures-signals 0.3.16
[INFO] tweaked toml for crates.io crate futures-signals 0.3.16 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eef0d081f2891c5975f3a043084c6c1933abb8f44f2171b3c0191399f0c7063e
[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" "eef0d081f2891c5975f3a043084c6c1933abb8f44f2171b3c0191399f0c7063e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eef0d081f2891c5975f3a043084c6c1933abb8f44f2171b3c0191399f0c7063e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef0d081f2891c5975f3a043084c6c1933abb8f44f2171b3c0191399f0c7063e", kill_on_drop: false }`
[INFO] [stdout] eef0d081f2891c5975f3a043084c6c1933abb8f44f2171b3c0191399f0c7063e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c089e8ec071fe91d5931e41c7e91f48f87fe8e301d2111cb250a519b67eaca
[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" "64c089e8ec071fe91d5931e41c7e91f48f87fe8e301d2111cb250a519b67eaca", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-signals v0.3.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.17s
[INFO] running `Command { std: "docker" "inspect" "64c089e8ec071fe91d5931e41c7e91f48f87fe8e301d2111cb250a519b67eaca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c089e8ec071fe91d5931e41c7e91f48f87fe8e301d2111cb250a519b67eaca", kill_on_drop: false }`
[INFO] [stdout] 64c089e8ec071fe91d5931e41c7e91f48f87fe8e301d2111cb250a519b67eaca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d7ef48ac00ac523fa7b839f9f014b8ca7bd4912d628cdb1156fb82e1cb718c5
[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" "4d7ef48ac00ac523fa7b839f9f014b8ca7bd4912d628cdb1156fb82e1cb718c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling futures-signals v0.3.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "4d7ef48ac00ac523fa7b839f9f014b8ca7bd4912d628cdb1156fb82e1cb718c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7ef48ac00ac523fa7b839f9f014b8ca7bd4912d628cdb1156fb82e1cb718c5", kill_on_drop: false }`
[INFO] [stdout] 4d7ef48ac00ac523fa7b839f9f014b8ca7bd4912d628cdb1156fb82e1cb718c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] b109611c379b3a3e8dfe4aafaaf6e642bd8d4ff5010e7f5642309ed6ad140ce8
[INFO] running `Command { std: "docker" "start" "-a" "b109611c379b3a3e8dfe4aafaaf6e642bd8d4ff5010e7f5642309ed6ad140ce8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_signals-a732c33b8003697b
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/broadcaster-e321f6b2c80c6e9a
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/future-58cb2bbfab8f73c2
[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] [stdout] running 2 tests
[INFO] [stdout] test test_broadcaster ... ok
[INFO] [stdout] test test_polls ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/map_macro-2f2f6d2526d62f50
[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] [stdout] 
[INFO] [stdout] running 34 tests
[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_3 ... ok
[INFO] [stdout] test map_mut::let_5 ... ok
[INFO] [stdout] test map_mut::let_pat_1 ... ok
[INFO] [stdout] test map_mut::let_1 ... ok
[INFO] [stdout] test map_mut::let_pat_5 ... ok
[INFO] [stdout] test map_mut::send_sync ... ok
[INFO] [stdout] test map_mut::let_pat_4 ... ok
[INFO] [stdout] test map_ref::clone ... ok
[INFO] [stdout] test map_mut::clone ... ok
[INFO] [stdout] test map_ref::ident_3 ... ok
[INFO] [stdout] test map_ref::ident_4 ... ok
[INFO] [stdout] test map_ref::let_1 ... ok
[INFO] [stdout] test map_ref::ident_5 ... 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] test map_mut::let_4 ... ok
[INFO] [stdout] test map_mut::ident_2 ... ok
[INFO] [stdout] test map_mut::ident_1 ... ok
[INFO] [stdout] test map_mut::let_2 ... ok
[INFO] [stdout] test map_ref::let_2 ... ok
[INFO] [stdout] test map_ref::ident_1 ... ok
[INFO] [stdout] test map_ref::let_3 ... ok
[INFO] [stdout] test map_mut::let_pat_2 ... ok
[INFO] [stdout] test map_mut::let_pat_3 ... ok
[INFO] [stdout] test map_ref::let_4 ... ok
[INFO] [stdout] test map_ref::ident_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mutable-05ec667ff0171265
[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 /opt/rustwide/target/debug/deps/mutable_vec-a55f639c1c203960
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_eq ... ok
[INFO] [stdout] test test_ord ... ok
[INFO] [stdout] test test_swap ... ok
[INFO] [stdout] test test_reverse ... ok
[INFO] [stdout] test test_push ... ok
[INFO] [stdout] test test_move_from_to ... 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 /opt/rustwide/target/debug/deps/signal-a4645cebcfa312a0
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_map_future ... ok
[INFO] [stdout] test test_mutable ... ok
[INFO] [stdout] test test_mutable_drop ... ok
[INFO] [stdout] test test_throttle ... ok
[INFO] [stdout] test test_send_sync ... ok
[INFO] [stdout] test test_switch_signal_vec ... 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 /opt/rustwide/target/debug/deps/signal_vec-e987d79fd734d1e2
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test debug_to_signal_cloned ... ok
[INFO] [stdout] test filter ... ok
[INFO] [stdout] test to_signal_map ... ok
[INFO] [stdout] test to_signal_cloned ... ok
[INFO] [stdout] test sum ... ok
[INFO] [stdout] test sync ... 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 futures-signals
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test src/lib.rs - tutorial (line 145) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 277) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 217) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 250) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 117) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 377) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 49) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 33) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 177) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 263) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 292) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 70) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 460) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 407) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 282) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 246) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 295) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 255) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 315) ... ok
[INFO] [stdout] test src/signal/signal.rs - signal::signal::SignalExt::throttle (line 347) ... ok
[INFO] [stdout] test src/signal/signal.rs - signal::signal::SignalExt::filter_map (line 303) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 266) ... ok
[INFO] [stdout] test src/signal/signal.rs - signal::signal::SignalExt::map_future (line 246) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 211) ... ok
[INFO] [stdout] test src/signal/signal.rs - signal::signal::SignalExt::map (line 130) ... ok
[INFO] [stdout] test src/signal/signal.rs - signal::signal::SignalExt::map (line 114) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 334) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 376) ... ok
[INFO] [stdout] test src/signal_vec.rs - signal_vec::SignalVecExt::map (line 182) ... ok
[INFO] [stdout] test src/signal_vec.rs - signal_vec::SignalVecExt::map (line 170) ... ok
[INFO] [stdout] test src/signal_vec.rs - signal_vec::SignalVecExt::filter (line 258) ... ok
[INFO] [stdout] test src/signal_vec.rs - signal_vec::SignalVecExt::sort_by_cloned (line 340) ... ok
[INFO] [stdout] test src/signal_vec.rs - signal_vec::SignalVecExt::sort_by_cloned (line 375) ... ok
[INFO] [stdout] test src/signal_vec.rs - signal_vec::SignalVecExt::sort_by_cloned (line 387) ... ok
[INFO] [stdout] test src/signal_vec.rs - signal_vec::SignalVecExt::sort_by_cloned (line 356) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b109611c379b3a3e8dfe4aafaaf6e642bd8d4ff5010e7f5642309ed6ad140ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b109611c379b3a3e8dfe4aafaaf6e642bd8d4ff5010e7f5642309ed6ad140ce8", kill_on_drop: false }`
[INFO] [stdout] b109611c379b3a3e8dfe4aafaaf6e642bd8d4ff5010e7f5642309ed6ad140ce8