[INFO] fetching crate rx_rust_mp 1.0.0...
[INFO] testing rx_rust_mp-1.0.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rx_rust_mp 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rx_rust_mp 1.0.0
[INFO] finished tweaking crates.io crate rx_rust_mp 1.0.0
[INFO] tweaked toml for crates.io crate rx_rust_mp 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rx_rust_mp 1.0.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e41a571b74a5310b9d67ec8b8d79ddc0ace78e038c5c01a4d886f81d58274a2
[INFO] running `Command { std: "docker" "start" "-a" "6e41a571b74a5310b9d67ec8b8d79ddc0ace78e038c5c01a4d886f81d58274a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e41a571b74a5310b9d67ec8b8d79ddc0ace78e038c5c01a4d886f81d58274a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e41a571b74a5310b9d67ec8b8d79ddc0ace78e038c5c01a4d886f81d58274a2", kill_on_drop: false }`
[INFO] [stdout] 6e41a571b74a5310b9d67ec8b8d79ddc0ace78e038c5c01a4d886f81d58274a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16e9acf1537b3defea3781ae804f7edd6e1377d84d5e89ab6db731a7a474aca9
[INFO] running `Command { std: "docker" "start" "-a" "16e9acf1537b3defea3781ae804f7edd6e1377d84d5e89ab6db731a7a474aca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-executor v1.13.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rx_rust_mp v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.31s
[INFO] running `Command { std: "docker" "inspect" "16e9acf1537b3defea3781ae804f7edd6e1377d84d5e89ab6db731a7a474aca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e9acf1537b3defea3781ae804f7edd6e1377d84d5e89ab6db731a7a474aca9", kill_on_drop: false }`
[INFO] [stdout] 16e9acf1537b3defea3781ae804f7edd6e1377d84d5e89ab6db731a7a474aca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a29c65a783c95ea968adaf80d406a2619054f4af4d5cf6cc242cd123dd4fb851
[INFO] running `Command { std: "docker" "start" "-a" "a29c65a783c95ea968adaf80d406a2619054f4af4d5cf6cc242cd123dd4fb851", kill_on_drop: false }`
[INFO] [stderr]    Compiling rx_rust_mp v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "a29c65a783c95ea968adaf80d406a2619054f4af4d5cf6cc242cd123dd4fb851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29c65a783c95ea968adaf80d406a2619054f4af4d5cf6cc242cd123dd4fb851", kill_on_drop: false }`
[INFO] [stdout] a29c65a783c95ea968adaf80d406a2619054f4af4d5cf6cc242cd123dd4fb851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f50651c4347c42747c53d4a92d0bfd101dfad2a3916272896dda663db7a01dc
[INFO] running `Command { std: "docker" "start" "-a" "9f50651c4347c42747c53d4a92d0bfd101dfad2a3916272896dda663db7a01dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rx_rust_mp-aa2f32c669cc4a07)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test filter::tests::it_filters ... ok
[INFO] [stdout] test create::test::it_creates ... ok
[INFO] [stdout] test average::test::it_averages ... ok
[INFO] [stdout] test flatten::tests::it_groups_flattens ... ok
[INFO] [stdout] test create::test::it_can_mut_access_external_state ... ok
[INFO] [stdout] test observable::tests::it_can_mut_access_external_state ... ok
[INFO] [stdout] test flatten::tests::it_flattens ... ok
[INFO] [stdout] test flatten::tests::it_flat_maps ... ok
[INFO] [stdout] test reduce::tests::it_reduces ... ok
[INFO] [stdout] test merge::tests::it_merges ... ok
[INFO] [stdout] test map::tests::it_maps ... ok
[INFO] [stdout] test group_by::tests::it_groups ... ok
[INFO] [stdout] test sliding_window::tests::it_buffers_in_sliding_windows ... ok
[INFO] [stderr]    Doc-tests rx_rust_mp
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[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" "9f50651c4347c42747c53d4a92d0bfd101dfad2a3916272896dda663db7a01dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f50651c4347c42747c53d4a92d0bfd101dfad2a3916272896dda663db7a01dc", kill_on_drop: false }`
[INFO] [stdout] 9f50651c4347c42747c53d4a92d0bfd101dfad2a3916272896dda663db7a01dc