[INFO] fetching crate aiur 0.0.3...
[INFO] testing aiur-0.0.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate aiur 0.0.3 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate aiur 0.0.3 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 aiur 0.0.3
[INFO] finished tweaking crates.io crate aiur 0.0.3
[INFO] tweaked toml for crates.io crate aiur 0.0.3 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate aiur 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] bb71cd5a4e902e906ddb5d53392047aab693cdec99fa41c9f68c47ada76b2ebb
[INFO] running `Command { std: "docker" "start" "-a" "bb71cd5a4e902e906ddb5d53392047aab693cdec99fa41c9f68c47ada76b2ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb71cd5a4e902e906ddb5d53392047aab693cdec99fa41c9f68c47ada76b2ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb71cd5a4e902e906ddb5d53392047aab693cdec99fa41c9f68c47ada76b2ebb", kill_on_drop: false }`
[INFO] [stdout] bb71cd5a4e902e906ddb5d53392047aab693cdec99fa41c9f68c47ada76b2ebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] fcc01d276ecb5c1bec34f3968d09ee6ad0efb2ead7e25c6318e8515e87a88b4b
[INFO] running `Command { std: "docker" "start" "-a" "fcc01d276ecb5c1bec34f3968d09ee6ad0efb2ead7e25c6318e8515e87a88b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling aiur v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/modtrace_macro.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "fcc01d276ecb5c1bec34f3968d09ee6ad0efb2ead7e25c6318e8515e87a88b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc01d276ecb5c1bec34f3968d09ee6ad0efb2ead7e25c6318e8515e87a88b4b", kill_on_drop: false }`
[INFO] [stdout] fcc01d276ecb5c1bec34f3968d09ee6ad0efb2ead7e25c6318e8515e87a88b4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] f672c1652164cdb20413cc93932b2fce2bae4bae69acbd6340115d0eadaeca9f
[INFO] running `Command { std: "docker" "start" "-a" "f672c1652164cdb20413cc93932b2fce2bae4bae69acbd6340115d0eadaeca9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/modtrace_macro.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aiur v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/modtrace_macro.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` 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 3.23s
[INFO] running `Command { std: "docker" "inspect" "f672c1652164cdb20413cc93932b2fce2bae4bae69acbd6340115d0eadaeca9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f672c1652164cdb20413cc93932b2fce2bae4bae69acbd6340115d0eadaeca9f", kill_on_drop: false }`
[INFO] [stdout] f672c1652164cdb20413cc93932b2fce2bae4bae69acbd6340115d0eadaeca9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] f15561c0a9e327812a7fd52646767268bf76fb25a863e38c44459f5bee6f253b
[INFO] running `Command { std: "docker" "start" "-a" "f15561c0a9e327812a7fd52646767268bf76fb25a863e38c44459f5bee6f253b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/modtrace_macro.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aiur` (lib) generated 1 warning
[INFO] [stderr] warning: `aiur` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aiur-efa4337bc363c024)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test channel_rt::tests::api_test_cancel_exchanged_sender_does_not_affect_receiver ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zerg_rush-0ef73bc8d82cf161)
[INFO] [stdout] test channel_rt::tests::api_test_cancel_receiver_gives_disconnected_err_on_sender ... ok
[INFO] [stdout] test channel_rt::tests::api_test_cancel_scheduled_sender_recv_still_receive_values_from_another_senders ... ok
[INFO] [stdout] test channel_rt::tests::api_test_dec_references_destroys_channel ... ok
[INFO] [stdout] test channel_rt::tests::api_test_peers_pinned_gives_value_exchanged ... ok
[INFO] [stdout] test channel_rt::tests::api_test_two_sender_send_value_gives_both_received ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-97965c454d9391f1)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test integration_impl::channel_t::channel_drop_pinned_peer_during_exchange_is_ok ... ok
[INFO] [stdout] test integration_impl::channel_t::channel_drop_sender_with_recver_pinned_gives_error ... ok
[INFO] [stdout] test integration_impl::channel_t::channel_recv_from_dropped_gives_error ... ok
[INFO] [stdout] test integration_impl::channel_t::channel_send_to_dropped_gives_error ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_recv_from_dropped ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_spawn_recv_works ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_send_to_dropped ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_sender_dropped ... ok
[INFO] [stdout] test integration_impl::channel_t::channel_many_channel_many_senders_actually_works ... ok
[INFO] [stdout] test integration_impl::channel_t::channel_two_channels_can_coexist ... ok
[INFO] [stdout] test integration_impl::channel_t::channel_select_sender_receiver_gives_value_in_receiver ... ok
[INFO] [stdout] test integration_impl::channel_t::channel_drop_recver_with_sender_pinned_gives_error ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_recv_dropped ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_select_works ... ok
[INFO] [stdout] test integration_impl::channel_t::channel_drop_sender_recver_unpinned_is_ok ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_drop_all ... ok
[INFO] [stdout] test integration_impl::channel_t::channel_echo_server ... ok
[INFO] [stdout] test integration_impl::spawn_t::simple_sleep_works ... ok
[INFO] [stdout] test integration_impl::spawn_t::sleep_cancellation_works ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_drop_all_alt_order ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_spawn_sender_works ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_two_channels ... ok
[INFO] [stdout] test integration_impl::spawn_t::consequential_sleeps_works ... ok
[INFO] [stdout] test integration_impl::oneshot_t::oneshot_two_channels_echo_server ... ok
[INFO] [stdout] test integration_impl::spawn_t::spawn_linear_works ... ok
[INFO] [stdout] test integration_impl::spawn_t::spawn_soundness_ok ... ok
[INFO] [stdout] test integration_impl::spawn_t::toy_runtime_mutable_references_in_param_return ... ok
[INFO] [stdout] test integration_impl::spawn_t::toy_runtime_reference_compiles ... ok
[INFO] [stdout] test integration_impl::spawn_t::spawn_tree_works ... ok
[INFO] [stdout] test integration_impl::spawn_t::toy_runtime_fn_works ... ok
[INFO] [stdout] test integration_impl::spawn_t::spawn_only_works ... ok
[INFO] [stdout] test integration_impl::spawn_t::toy_runtime_reference_in_return_type_compiles ... ok
[INFO] [stdout] test integration_impl::spawn_t::spawn_mixed_tree_works ... ok
[INFO] [stderr]    Doc-tests aiur
[INFO] [stdout] test integration_impl::spawn_t::two_concurrent_timers_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f15561c0a9e327812a7fd52646767268bf76fb25a863e38c44459f5bee6f253b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15561c0a9e327812a7fd52646767268bf76fb25a863e38c44459f5bee6f253b", kill_on_drop: false }`
[INFO] [stdout] f15561c0a9e327812a7fd52646767268bf76fb25a863e38c44459f5bee6f253b