[INFO] fetching crate futures-signals 0.3.16...
[INFO] testing futures-signals-0.3.16 against 1.49.0 for beta-1.50-1
[INFO] extracting crate futures-signals 0.3.16 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate futures-signals 0.3.16 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "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] a626d7aaf1bd623f060379bd76e760b85cef1ba9c27c08ff497cee2acbde43ba
[INFO] running `Command { std: "docker" "start" "-a" "a626d7aaf1bd623f060379bd76e760b85cef1ba9c27c08ff497cee2acbde43ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a626d7aaf1bd623f060379bd76e760b85cef1ba9c27c08ff497cee2acbde43ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a626d7aaf1bd623f060379bd76e760b85cef1ba9c27c08ff497cee2acbde43ba", kill_on_drop: false }`
[INFO] [stdout] a626d7aaf1bd623f060379bd76e760b85cef1ba9c27c08ff497cee2acbde43ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc785c4f36002c89777885d290ea6348898d3e0827b3d81288bd08f4789fbf9b
[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" "cc785c4f36002c89777885d290ea6348898d3e0827b3d81288bd08f4789fbf9b", kill_on_drop: false }`
[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 9.46s
[INFO] running `Command { std: "docker" "inspect" "cc785c4f36002c89777885d290ea6348898d3e0827b3d81288bd08f4789fbf9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc785c4f36002c89777885d290ea6348898d3e0827b3d81288bd08f4789fbf9b", kill_on_drop: false }`
[INFO] [stdout] cc785c4f36002c89777885d290ea6348898d3e0827b3d81288bd08f4789fbf9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "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] f9b7eb877e311195edbfbba83da18a22641abe9d882596e8b666743cdea4c5e5
[INFO] running `Command { std: "docker" "start" "-a" "f9b7eb877e311195edbfbba83da18a22641abe9d882596e8b666743cdea4c5e5", 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 4.51s
[INFO] running `Command { std: "docker" "inspect" "f9b7eb877e311195edbfbba83da18a22641abe9d882596e8b666743cdea4c5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b7eb877e311195edbfbba83da18a22641abe9d882596e8b666743cdea4c5e5", kill_on_drop: false }`
[INFO] [stdout] f9b7eb877e311195edbfbba83da18a22641abe9d882596e8b666743cdea4c5e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3bce0afd7fd7e7a52119d04183edab06c75a29efb6170796dc7a6e5a6ee6054
[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" "a3bce0afd7fd7e7a52119d04183edab06c75a29efb6170796dc7a6e5a6ee6054", 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-b732c6d12beebb15
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/broadcaster-6b38f8f298a62810
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/future-7b465baa102c9e4b
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/map_macro-0a5e96ba929849d0
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test map_mut::let_2 ... ok
[INFO] [stdout] test map_mut::let_3 ... ok
[INFO] [stdout] test map_mut::let_4 ... ok
[INFO] [stdout] test map_mut::let_pat_3 ... ok
[INFO] [stdout] test map_mut::ident_1 ... ok
[INFO] [stdout] test map_mut::clone ... ok
[INFO] [stdout] test map_mut::send_sync ... ok
[INFO] [stdout] test map_mut::let_pat_5 ... ok
[INFO] [stdout] test map_mut::let_pat_4 ... ok
[INFO] [stdout] test map_mut::let_pat_2 ... ok
[INFO] [stdout] test map_mut::ident_3 ... ok
[INFO] [stdout] test map_mut::ident_2 ... ok
[INFO] [stdout] test map_mut::ident_5 ... ok
[INFO] [stdout] test map_mut::let_1 ... ok
[INFO] [stdout] test map_mut::let_5 ... ok
[INFO] [stdout] test map_ref::let_4 ... ok
[INFO] [stdout] test map_ref::let_pat_1 ... ok
[INFO] [stdout] test map_ref::let_5 ... ok
[INFO] [stdout] test map_ref::let_pat_2 ... ok
[INFO] [stdout] test map_ref::ident_1 ... ok
[INFO] [stdout] test map_ref::let_1 ... ok
[INFO] [stdout] test map_ref::clone ... ok
[INFO] [stdout] test map_ref::let_3 ... ok
[INFO] [stdout] test map_ref::send_sync ... ok
[INFO] [stdout] test map_ref::ident_5 ... ok
[INFO] [stdout] test map_ref::ident_2 ... ok
[INFO] [stdout] test map_ref::let_pat_4 ... ok
[INFO] [stdout] test map_ref::ident_3 ... ok
[INFO] [stdout] test map_ref::ident_4 ... ok
[INFO] [stdout] test map_ref::let_2 ... ok
[INFO] [stdout] test map_mut::let_pat_1 ... ok
[INFO] [stdout] test map_ref::let_pat_3 ... ok
[INFO] [stdout] test map_mut::ident_4 ... ok
[INFO] [stdout] test map_ref::let_pat_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mutable-14ff05322cf9fe06
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mutable_vec-678667cb3b0b494b
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_eq ... ok
[INFO] [stdout] test test_ord ... ok
[INFO] [stdout] test test_move_from_to ... ok
[INFO] [stdout] test test_reverse ... ok
[INFO] [stdout] test test_swap ... ok
[INFO] [stdout] test test_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_throttle ... ok
[INFO] [stdout] test test_switch_signal_vec ... ok
[INFO] [stdout] test test_send_sync ... ok
[INFO] [stdout] test test_mutable ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/signal-36055698929e3116
[INFO] [stdout] test test_mutable_drop ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/signal_vec-9c8c2afb9655227a
[INFO] [stdout] test test_map_future ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test debug_to_signal_cloned ... ok
[INFO] [stdout] test to_signal_cloned ... ok
[INFO] [stdout] test to_signal_map ... ok
[INFO] [stdout] test filter ... ok
[INFO] [stderr]    Doc-tests futures-signals
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test src/lib.rs - tutorial (line 263) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 117) ... 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 277) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 70) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 177) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 49) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 145) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 292) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 315) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 33) ... 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 211) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 407) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 255) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 377) ... ok
[INFO] [stdout] test src/lib.rs - tutorial (line 460) ... ok
[INFO] [stdout] test src/signal/signal.rs - signal::signal::SignalExt::map (line 130) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 266) ... ok
[INFO] [stdout] test src/signal/signal.rs - signal::signal::SignalExt::map (line 114) ... ok
[INFO] [stdout] test src/signal/signal.rs - signal::signal::SignalExt::map_future (line 246) ... 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 376) ... ok
[INFO] [stdout] test src/signal/signal.rs - signal::signal::SignalExt::throttle (line 347) ... 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::map (line 182) ... 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::map (line 170) ... ok
[INFO] [stdout] test src/signal_vec.rs - signal_vec::SignalVecExt::sort_by_cloned (line 356) ... ok
[INFO] [stdout] test src/signal/macros.rs - map_ref (line 334) ... ok
[INFO] [stdout] test src/signal_vec.rs - signal_vec::SignalVecExt::sort_by_cloned (line 340) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3bce0afd7fd7e7a52119d04183edab06c75a29efb6170796dc7a6e5a6ee6054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3bce0afd7fd7e7a52119d04183edab06c75a29efb6170796dc7a6e5a6ee6054", kill_on_drop: false }`
[INFO] [stdout] a3bce0afd7fd7e7a52119d04183edab06c75a29efb6170796dc7a6e5a6ee6054