[INFO] fetching crate flo_binding 3.0.0...
[INFO] testing flo_binding-3.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate flo_binding 3.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate flo_binding 3.0.0
[INFO] finished tweaking crates.io crate flo_binding 3.0.0
[INFO] tweaked toml for crates.io crate flo_binding 3.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flo_binding 3.0.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flo_binding 3.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab v0.4.6
[INFO] [stderr]   Downloaded similar v2.1.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded futures-executor v0.3.21
[INFO] [stderr]   Downloaded futures-core v0.3.21
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded flo_rope v0.2.0
[INFO] [stderr]   Downloaded desync v0.9.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded futures v0.3.21
[INFO] [stderr]   Downloaded futures-util v0.3.21
[INFO] [stderr]   Downloaded futures-io v0.3.21
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] [stderr]   Downloaded futures-channel v0.3.21
[INFO] [stderr]   Downloaded futures-task v0.3.21
[INFO] [stderr]   Downloaded futures-macro v0.3.21
[INFO] [stderr]   Downloaded futures-sink v0.3.21
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9079a811a0f7889ea40130d5878735e2bca6460b64743a4bc71ecb05ef0fef49
[INFO] running `Command { std: "docker" "start" "-a" "9079a811a0f7889ea40130d5878735e2bca6460b64743a4bc71ecb05ef0fef49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9079a811a0f7889ea40130d5878735e2bca6460b64743a4bc71ecb05ef0fef49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9079a811a0f7889ea40130d5878735e2bca6460b64743a4bc71ecb05ef0fef49", kill_on_drop: false }`
[INFO] [stdout] 9079a811a0f7889ea40130d5878735e2bca6460b64743a4bc71ecb05ef0fef49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c44c819b1d24c84be22960b31a0a6903734ec5549b3bd6e5c52f4b881f88b252
[INFO] running `Command { std: "docker" "start" "-a" "c44c819b1d24c84be22960b31a0a6903734ec5549b3bd6e5c52f4b881f88b252", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling similar v2.1.0
[INFO] [stderr]    Compiling flo_rope v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling desync v0.9.0
[INFO] [stderr]    Compiling flo_binding v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "c44c819b1d24c84be22960b31a0a6903734ec5549b3bd6e5c52f4b881f88b252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44c819b1d24c84be22960b31a0a6903734ec5549b3bd6e5c52f4b881f88b252", kill_on_drop: false }`
[INFO] [stdout] c44c819b1d24c84be22960b31a0a6903734ec5549b3bd6e5c52f4b881f88b252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc214ea31f5b4eb85fff4966bd91bc8e8f07bc266e8d9622a9dc8a8b7c94be15
[INFO] running `Command { std: "docker" "start" "-a" "bc214ea31f5b4eb85fff4966bd91bc8e8f07bc266e8d9622a9dc8a8b7c94be15", kill_on_drop: false }`
[INFO] [stderr]    Compiling flo_binding v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "bc214ea31f5b4eb85fff4966bd91bc8e8f07bc266e8d9622a9dc8a8b7c94be15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc214ea31f5b4eb85fff4966bd91bc8e8f07bc266e8d9622a9dc8a8b7c94be15", kill_on_drop: false }`
[INFO] [stdout] bc214ea31f5b4eb85fff4966bd91bc8e8f07bc266e8d9622a9dc8a8b7c94be15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37a8486d2ae2ec05c82875181570ff414cbc379039ddf2b3cfc13cbdf9bb9b3f
[INFO] running `Command { std: "docker" "start" "-a" "37a8486d2ae2ec05c82875181570ff414cbc379039ddf2b3cfc13cbdf9bb9b3f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flo_binding-885444ab108d3d61)
[INFO] [stdout] 
[INFO] [stdout] running 65 tests
[INFO] [stdout] test follow::test::follow_stream_updates ... ok
[INFO] [stdout] test follow::test::stream_is_immediately_ready_after_write ... ok
[INFO] [stdout] test follow::test::stream_is_unready_after_first_read ... ok
[INFO] [stdout] test rope_binding::tests::bind_rope_mut_read_cells_to_computed ... ok
[INFO] [stdout] test bindref::test::watcher_notifies_after_get ... ok
[INFO] [stdout] test bindref::test::bind_ref_from_computed ... ok
[INFO] [stdout] test rope_binding::tests::bind_rope_read_cells_to_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 rope_binding::tests::computed_rope_using_diffs_1 ... 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::notifies_on_change ... ok
[INFO] [stdout] test rope_binding::tests::following_rope_generates_when_changed ... ok
[INFO] [stdout] test rope_binding::tests::mutable_rope_sends_changes_to_stream ... ok
[INFO] [stdout] test rope_binding::tests::retain_cells_2 ... ok
[INFO] [stdout] test rope_binding::tests::pull_from_mutable_binding ... ok
[INFO] [stdout] test rope_binding::tests::computed_rope_using_diffs_3 ... ok
[INFO] [stdout] test rope_binding::tests::bind_rope_length_to_computed ... ok
[INFO] [stdout] test rope_binding::tests::retain_cells_3 ... ok
[INFO] [stdout] test rope_binding::tests::retain_cells_4 ... ok
[INFO] [stdout] test rope_binding::tests::bind_rope_mut_length_to_computed ... ok
[INFO] [stdout] test rope_binding::tests::watch_computed_rope ... ok
[INFO] [stdout] test rope_binding::tests::watch_mutable_rope ... ok
[INFO] [stdout] test rope_binding::tests::map_ropes ... ok
[INFO] [stdout] test rope_binding::tests::retain_cells_5 ... ok
[INFO] [stdout] test rope_binding::tests::computed_rope ... ok
[INFO] [stdout] test rope_binding::tests::concatenate_ropes ... ok
[INFO] [stdout] test rope_binding::tests::retain_cells_1 ... ok
[INFO] [stdout] test test::can_compute_value ... ok
[INFO] [stdout] test test::binding_context_is_notified ... ok
[INFO] [stdout] test test::can_recursively_compute_values ... ok
[INFO] [stdout] test test::can_recursively_compute_values_3 ... ok
[INFO] [stdout] test test::can_update_binding ... 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_notifies_of_changes ... ok
[INFO] [stdout] test test::computed_stops_notifying_once_out_of_scope ... ok
[INFO] [stdout] test test::computed_propagates_changes ... ok
[INFO] [stdout] test test::can_recompute_value ... ok
[INFO] [stdout] test test::computed_stops_notifying_when_released ... ok
[INFO] [stdout] test test::computed_caches_values ... ok
[INFO] [stdout] test test::computed_switches_dependencies ... ok
[INFO] [stdout] test test::dispatches_multiple_notifications ... ok
[INFO] [stdout] test test::computed_watcher ... ok
[INFO] [stdout] test test::map_binding_value ... ok
[INFO] [stdout] test test::not_notified_on_no_change ... ok
[INFO] [stdout] test test::notifies_after_each_change ... ok
[INFO] [stdout] test test::stops_notifying_after_release ... ok
[INFO] [stdout] test test::watcher_does_not_notify_for_other_watchers ... ok
[INFO] [stdout] test test::watch_mapped_bindings ... ok
[INFO] [stdout] test test::watcher_notifies_after_get ... ok
[INFO] [stdout] test rope_binding::tests::computed_rope_using_diffs_2 ... ok
[INFO] [stdout] test test::release_only_affects_one_notification ... ok
[INFO] [stdout] test test::notified_on_change ... ok
[INFO] [stdout] test bind_stream::test::watcher_notifies_on_change ... ok
[INFO] [stdout] test test::panics_if_computed_generated_during_binding - should panic ... ok
[INFO] [stdout] test test::can_recursively_compute_values_2 ... ok
[INFO] [stdout] test test::can_create_binding ... ok
[INFO] [stdout] test bind_stream::test::stream_in_all_values ... 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. 65 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 13 tests
[INFO] [stdout] test src/traits.rs - traits::BoundValueComputeExt::compute (line 136) ... ok
[INFO] [stdout] test src/traits.rs - traits::BoundValueMapExt::map_binding (line 178) ... ok
[INFO] [stdout] test src/traits.rs - traits::BoundValueComputeExt::compute (line 153) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/traits.rs - traits::BoundValueComputeExt::compute (line 145) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/traits.rs - traits::BoundValueMapExt::map_binding (line 196) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/traits.rs - traits::BoundValueMapExt::map_binding (line 187) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37a8486d2ae2ec05c82875181570ff414cbc379039ddf2b3cfc13cbdf9bb9b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a8486d2ae2ec05c82875181570ff414cbc379039ddf2b3cfc13cbdf9bb9b3f", kill_on_drop: false }`
[INFO] [stdout] 37a8486d2ae2ec05c82875181570ff414cbc379039ddf2b3cfc13cbdf9bb9b3f