[INFO] fetching crate flo_binding 2.0.0... [INFO] testing flo_binding-2.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate flo_binding 2.0.0 into /workspace/builds/worker-24/source [INFO] validating manifest of crates.io crate flo_binding 2.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flo_binding 2.0.0 [INFO] finished tweaking crates.io crate flo_binding 2.0.0 [INFO] tweaked toml for crates.io crate flo_binding 2.0.0 written to /workspace/builds/worker-24/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b818b9d6ad9987047c100bd5dbee7f463cb0cdbae8d1ee2b891c2cc9d25b0f7d [INFO] running `Command { std: "docker" "start" "-a" "b818b9d6ad9987047c100bd5dbee7f463cb0cdbae8d1ee2b891c2cc9d25b0f7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b818b9d6ad9987047c100bd5dbee7f463cb0cdbae8d1ee2b891c2cc9d25b0f7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b818b9d6ad9987047c100bd5dbee7f463cb0cdbae8d1ee2b891c2cc9d25b0f7d", kill_on_drop: false }` [INFO] [stdout] b818b9d6ad9987047c100bd5dbee7f463cb0cdbae8d1ee2b891c2cc9d25b0f7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ab3730d4c51f83c8708f7290644b0bb550aa39423a0345d8563c2639c607286 [INFO] running `Command { std: "docker" "start" "-a" "8ab3730d4c51f83c8708f7290644b0bb550aa39423a0345d8563c2639c607286", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling flo_rope v0.1.0 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling desync v0.7.0 [INFO] [stderr] Compiling flo_stream v0.4.0 [INFO] [stderr] Compiling flo_binding v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `nested` [INFO] [stdout] --> src/binding_context.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 101 | nested: Option> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 24.64s [INFO] running `Command { std: "docker" "inspect" "8ab3730d4c51f83c8708f7290644b0bb550aa39423a0345d8563c2639c607286", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ab3730d4c51f83c8708f7290644b0bb550aa39423a0345d8563c2639c607286", kill_on_drop: false }` [INFO] [stdout] 8ab3730d4c51f83c8708f7290644b0bb550aa39423a0345d8563c2639c607286 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0acee0de69d565df1a33f2dbd9e55606faf5abb319ecdbfa75fbefa6b2c51e1 [INFO] running `Command { std: "docker" "start" "-a" "a0acee0de69d565df1a33f2dbd9e55606faf5abb319ecdbfa75fbefa6b2c51e1", kill_on_drop: false }` [INFO] [stderr] Compiling flo_binding v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `nested` [INFO] [stdout] --> src/binding_context.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 101 | nested: Option> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nested` [INFO] [stdout] --> src/binding_context.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 101 | nested: Option> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 22.63s [INFO] running `Command { std: "docker" "inspect" "a0acee0de69d565df1a33f2dbd9e55606faf5abb319ecdbfa75fbefa6b2c51e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0acee0de69d565df1a33f2dbd9e55606faf5abb319ecdbfa75fbefa6b2c51e1", kill_on_drop: false }` [INFO] [stdout] a0acee0de69d565df1a33f2dbd9e55606faf5abb319ecdbfa75fbefa6b2c51e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2f2e18946c4e93430da96456f38d0489a20cc3efe55103b70865641ee524eefa [INFO] running `Command { std: "docker" "start" "-a" "2f2e18946c4e93430da96456f38d0489a20cc3efe55103b70865641ee524eefa", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `nested` [INFO] [stderr] --> src/binding_context.rs:101:5 [INFO] [stderr] | [INFO] [stderr] 101 | nested: Option> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `flo_binding` (lib) generated 1 warning [INFO] [stderr] warning: `flo_binding` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flo_binding-1ca6b346c28c7f66) [INFO] [stdout] [INFO] [stdout] running 40 tests [INFO] [stdout] test bindref::test::bind_ref_from_computed ... ok [INFO] [stdout] test bindref::test::bind_ref_from_value ... ok [INFO] [stdout] test bindref::test::bindref_matches_core_value ... ok [INFO] [stdout] test bindref::test::bindref_matches_core_value_when_created_from_ref ... ok [INFO] [stdout] test follow::test::follow_stream_has_initial_value ... ok [INFO] [stdout] test follow::test::follow_stream_updates ... ok [INFO] [stdout] test follow::test::stream_is_unready_after_first_read ... ok [INFO] [stdout] test follow::test::stream_is_immediately_ready_after_write ... ok [INFO] [stdout] test rope_binding::tests::mutable_rope_sends_changes_to_stream ... ok [INFO] [stdout] test test::binding_context_is_notified ... ok [INFO] [stdout] test test::can_compute_value ... ok [INFO] [stdout] test test::can_create_binding ... ok [INFO] [stdout] test rope_binding::tests::pull_from_mutable_binding ... ok [INFO] [stdout] test test::can_recompute_value ... ok [INFO] [stdout] test test::can_recursively_compute_values ... ok [INFO] [stdout] test test::can_recursively_compute_values_2 ... ok [INFO] [stdout] test test::can_update_binding ... ok [INFO] [stdout] test test::can_recursively_compute_values_3 ... ok [INFO] [stdout] test test::computed_caches_values ... ok [INFO] [stdout] test test::computed_notifies_of_changes ... ok [INFO] [stdout] test test::computed_doesnt_notify_more_than_once ... ok [INFO] [stdout] test test::computed_only_recomputes_as_needed ... ok [INFO] [stdout] test test::computed_stops_notifying_once_out_of_scope ... ok [INFO] [stdout] test test::computed_stops_notifying_when_released ... ok [INFO] [stdout] test test::computed_propagates_changes ... ok [INFO] [stdout] test test::computed_switches_dependencies ... ok [INFO] [stdout] test test::not_notified_on_no_change ... ok [INFO] [stdout] test test::dispatches_multiple_notifications ... ok [INFO] [stdout] test test::notified_on_change ... ok [INFO] [stdout] test test::notifies_after_each_change ... ok [INFO] [stdout] test test::release_only_affects_one_notification ... ok [INFO] [stdout] test test::stops_notifying_after_release ... ok [INFO] [stdout] test bind_stream::test::no_notification_on_no_change ... ok [INFO] [stdout] test bind_stream::test::stream_processes_updates ... ok [INFO] [stdout] test bind_stream::test::stream_in_all_values ... ok [INFO] [stdout] test bind_stream::test::notifies_on_change ... ok [INFO] [stdout] test test::panics_if_computed_generated_during_binding - should panic ... ok [INFO] [stdout] test follow::test::will_wake_when_binding_is_updated ... ok [INFO] [stdout] test test::change_during_computation_recomputes ... ok [INFO] [stdout] test follow::test::computed_updates_during_read ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s [INFO] [stdout] [INFO] [stderr] Doc-tests flo_binding [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 80) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2f2e18946c4e93430da96456f38d0489a20cc3efe55103b70865641ee524eefa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f2e18946c4e93430da96456f38d0489a20cc3efe55103b70865641ee524eefa", kill_on_drop: false }` [INFO] [stdout] 2f2e18946c4e93430da96456f38d0489a20cc3efe55103b70865641ee524eefa