[INFO] fetching crate rx_core 0.2.1...
[INFO] testing rx_core-0.2.1 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate rx_core 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rx_core 0.2.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rx_core 0.2.1
[INFO] tweaked toml for crates.io crate rx_core 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rx_core 0.2.1 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rx_core 0.2.1 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rx_core_operator_tap_next v0.2.1
[INFO] [stderr]   Downloaded rx_core_subject_provenance v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_with_latest_from v0.2.1
[INFO] [stderr]   Downloaded rx_core_subject_async v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_tap v0.2.1
[INFO] [stderr]   Downloaded rx_core_subject_replay v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_throttle_time v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_take v0.2.1
[INFO] [stderr]   Downloaded rx_core_subscriber_higher_order_exhaust v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_delay v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_lift_result v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_merge v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_combine_latest v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_find_index v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_end_with v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_catch v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_finalize v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_empty v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_combine_changes v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_iterator v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_switch_all v0.2.1
[INFO] [stderr]   Downloaded rx_core_subscription_inert v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_adsr v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_closed v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_on_next v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_interval v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_join v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_never v0.2.1
[INFO] [stderr]   Downloaded rx_core_observer_fn v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_exhaust_map v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_is_empty v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_materialize v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_merge_map v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_debounce_time v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_dematerialize v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_pairwise v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_retry v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_throw v0.2.1
[INFO] [stderr]   Downloaded rx_core_observer_print v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_buffer_count v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_deferred v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_iterator_on_tick v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_just v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_concat_all v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_identity v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_map_error v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_merge_all v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_start_with v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_subscribe_on v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_switch_map v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_timer v0.2.1
[INFO] [stderr]   Downloaded rx_core_observer_noop v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_concat_map v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_count v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_fallback_when_silent v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_map_into v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_on_subscribe v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_connectable v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_share v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_skip v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_first v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_scan v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_reduce v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_concat v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_enumerate v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_exhaust_all v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_into_result v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_error_boundary v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_filter_map v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_find v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_map_never v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_observe_on v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_create v0.2.1
[INFO] [stderr]   Downloaded rx_core_observable_zip v0.2.1
[INFO] [stderr]   Downloaded rx_core_operator_element_at v0.2.1
[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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/f8eb467adf1506ffbc8cf9154eede08d176e7d4628af51dac03807d8796f593c-init: no space left on device


sandbox container could not be created: command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/f8eb467adf1506ffbc8cf9154eede08d176e7d4628af51dac03807d8796f593c-init: no space left on device

Caused by:
    command failed: exit status: 1
    
    Error response from daemon: mkdir /var/lib/docker/overlay2/f8eb467adf1506ffbc8cf9154eede08d176e7d4628af51dac03807d8796f593c-init: no space left on device