[INFO] fetching crate callbag 0.6.0... [INFO] testing callbag-0.6.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate callbag 0.6.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate callbag 0.6.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate callbag 0.6.0 [INFO] finished tweaking crates.io crate callbag 0.6.0 [INFO] tweaked toml for crates.io crate callbag 0.6.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async_executors v0.4.2 [INFO] [stderr] Downloaded blanket v0.2.0 [INFO] [stderr] Downloaded async_nursery v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b809702a5bc5f8f9d23d987adf168db60307e9cc4c5b7956a9578846128535f [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" "9b809702a5bc5f8f9d23d987adf168db60307e9cc4c5b7956a9578846128535f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b809702a5bc5f8f9d23d987adf168db60307e9cc4c5b7956a9578846128535f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b809702a5bc5f8f9d23d987adf168db60307e9cc4c5b7956a9578846128535f", kill_on_drop: false }` [INFO] [stdout] 9b809702a5bc5f8f9d23d987adf168db60307e9cc4c5b7956a9578846128535f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40ce8973bfe898b173691b88393da9507a2a7ef9e01a538bb8140ab255325462 [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" "40ce8973bfe898b173691b88393da9507a2a7ef9e01a538bb8140ab255325462", kill_on_drop: false }` [INFO] [stderr] Compiling never v0.1.0 [INFO] [stderr] Compiling arc-swap v1.5.0 [INFO] [stderr] Compiling callbag v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `Command { std: "docker" "inspect" "40ce8973bfe898b173691b88393da9507a2a7ef9e01a538bb8140ab255325462", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40ce8973bfe898b173691b88393da9507a2a7ef9e01a538bb8140ab255325462", kill_on_drop: false }` [INFO] [stdout] 40ce8973bfe898b173691b88393da9507a2a7ef9e01a538bb8140ab255325462 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6aa89e8ef6a8ac1cb9ebc92afb6fd5b8b845d7e4c0c44371b67aca75c65b39a [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" "a6aa89e8ef6a8ac1cb9ebc92afb6fd5b8b845d7e4c0c44371b67aca75c65b39a", 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] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Compiling signal-hook v0.3.10 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.8 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling async_executors v0.4.2 [INFO] [stderr] Compiling async_nursery v0.3.1 [INFO] [stderr] Compiling blocking v1.1.0 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling ctor v0.1.21 [INFO] [stderr] Compiling futures-macro v0.3.18 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling blanket v0.2.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling polling v2.2.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling async-io v1.6.0 [INFO] [stderr] Compiling pin-project v1.0.8 [INFO] [stderr] Compiling async-process v1.3.0 [INFO] [stderr] Compiling async-global-executor v2.0.2 [INFO] [stderr] Compiling async-std v1.10.0 [INFO] [stderr] Compiling futures-executor v0.3.18 [INFO] [stderr] Compiling futures v0.3.18 [INFO] [stderr] Compiling callbag v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 53.88s [INFO] running `Command { std: "docker" "inspect" "a6aa89e8ef6a8ac1cb9ebc92afb6fd5b8b845d7e4c0c44371b67aca75c65b39a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6aa89e8ef6a8ac1cb9ebc92afb6fd5b8b845d7e4c0c44371b67aca75c65b39a", kill_on_drop: false }` [INFO] [stdout] a6aa89e8ef6a8ac1cb9ebc92afb6fd5b8b845d7e4c0c44371b67aca75c65b39a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 393455d2a7c31f9c5f505c0786cfabb16ac86d133026bbd8f6ea68e5e8b1bf36 [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" "393455d2a7c31f9c5f505c0786cfabb16ac86d133026bbd8f6ea68e5e8b1bf36", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/callbag-fdea6449dd3a21f8) [INFO] [stdout] [INFO] [stderr] Running tests/filter.rs (/opt/rustwide/target/debug/deps/filter-ec8c42dc9e8c7a52) [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] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test it_filters_a_pullable_source ... ok [INFO] [stdout] test it_filters_an_async_finite_listenable_source ... ok [INFO] [stdout] test it_returns_a_source_that_disposes_upon_upwards_end ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s [INFO] [stdout] [INFO] [stderr] Running tests/flatten.rs (/opt/rustwide/target/debug/deps/flatten-b89bd25858f553c5) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test it_flattens_a_two_layer_finite_pullable_sources ... ok [INFO] [stdout] test it_flattens_a_two_layer_async_infinite_listenable_sources ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s [INFO] [stdout] [INFO] [stderr] Running tests/for_each.rs (/opt/rustwide/target/debug/deps/for_each-53e99b707c8bc39d) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test it_iterates_a_finite_pullable_source ... ok [INFO] [stdout] test it_observes_an_async_finite_listenable_source ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s [INFO] [stdout] [INFO] [stderr] Running tests/from_iter.rs (/opt/rustwide/target/debug/deps/from_iter-c124ef36ab84cdf7) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test it_sends_array_items_iterable_to_a_puller_sink ... ok [INFO] [stdout] test it_stops_sending_after_source_completion ... ok [INFO] [stdout] test it_sends_array_entries_iterator_to_a_puller_sink ... ok [INFO] [stdout] test it_does_not_blow_up_the_stack_when_iterating_something_huge ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s [INFO] [stdout] [INFO] [stderr] Running tests/map.rs (/opt/rustwide/target/debug/deps/map-0dcf7fc785465549) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test it_maps_a_pullable_source ... ok [INFO] [stdout] test it_maps_an_async_finite_source ... ok [INFO] [stdout] test it_returns_a_source_that_disposes_upon_upwards_end ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s [INFO] [stdout] [INFO] [stderr] Running tests/scan.rs (/opt/rustwide/target/debug/deps/scan-1fefd040837bfbf6) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test it_scans_a_pullable_source ... ok [INFO] [stdout] test it_scans_an_async_finite_listenable_source ... ok [INFO] [stdout] test it_returns_a_source_that_disposes_upon_upwards_end ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s [INFO] [stdout] [INFO] [stderr] Doc-tests callbag [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" "393455d2a7c31f9c5f505c0786cfabb16ac86d133026bbd8f6ea68e5e8b1bf36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "393455d2a7c31f9c5f505c0786cfabb16ac86d133026bbd8f6ea68e5e8b1bf36", kill_on_drop: false }` [INFO] [stdout] 393455d2a7c31f9c5f505c0786cfabb16ac86d133026bbd8f6ea68e5e8b1bf36