[INFO] fetching crate and-then-concurrent 0.1.0...
[INFO] testing and-then-concurrent-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate and-then-concurrent 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate and-then-concurrent 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate and-then-concurrent 0.1.0
[INFO] finished tweaking crates.io crate and-then-concurrent 0.1.0
[INFO] tweaked toml for crates.io crate and-then-concurrent 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d12f9ee70b00bf584c3b5e1a0686e79544e9c7fd48234f95b76cd4e271d842f1
[INFO] running `Command { std: "docker" "start" "-a" "d12f9ee70b00bf584c3b5e1a0686e79544e9c7fd48234f95b76cd4e271d842f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12f9ee70b00bf584c3b5e1a0686e79544e9c7fd48234f95b76cd4e271d842f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12f9ee70b00bf584c3b5e1a0686e79544e9c7fd48234f95b76cd4e271d842f1", kill_on_drop: false }`
[INFO] [stdout] d12f9ee70b00bf584c3b5e1a0686e79544e9c7fd48234f95b76cd4e271d842f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6de6e88ef7c0e8ec1331e81ce63441d343fae6a4bbbff252c1a21a4f229e4920
[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" "6de6e88ef7c0e8ec1331e81ce63441d343fae6a4bbbff252c1a21a4f229e4920", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling and-then-concurrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.79s
[INFO] running `Command { std: "docker" "inspect" "6de6e88ef7c0e8ec1331e81ce63441d343fae6a4bbbff252c1a21a4f229e4920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de6e88ef7c0e8ec1331e81ce63441d343fae6a4bbbff252c1a21a4f229e4920", kill_on_drop: false }`
[INFO] [stdout] 6de6e88ef7c0e8ec1331e81ce63441d343fae6a4bbbff252c1a21a4f229e4920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d7649a95a6d64cfe879a5cde1d51416b0631a0b4425f6263f47b5706819d74f
[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" "7d7649a95a6d64cfe879a5cde1d51416b0631a0b4425f6263f47b5706819d74f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling and-then-concurrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.41s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/and_then_concurrent-5a5e011ecae0f8c8)
[INFO] running `Command { std: "docker" "inspect" "7d7649a95a6d64cfe879a5cde1d51416b0631a0b4425f6263f47b5706819d74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7649a95a6d64cfe879a5cde1d51416b0631a0b4425f6263f47b5706819d74f", kill_on_drop: false }`
[INFO] [stdout] 7d7649a95a6d64cfe879a5cde1d51416b0631a0b4425f6263f47b5706819d74f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1590cff6bc12ae144eeeb59ec4bfd79bcb1b9a0eb1800c85a7ccfa689282c0bf
[INFO] running `Command { std: "docker" "start" "-a" "1590cff6bc12ae144eeeb59ec4bfd79bcb1b9a0eb1800c85a7ccfa689282c0bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/and_then_concurrent-5a5e011ecae0f8c8)
[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] [stderr]    Doc-tests and-then-concurrent
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1590cff6bc12ae144eeeb59ec4bfd79bcb1b9a0eb1800c85a7ccfa689282c0bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1590cff6bc12ae144eeeb59ec4bfd79bcb1b9a0eb1800c85a7ccfa689282c0bf", kill_on_drop: false }`
[INFO] [stdout] 1590cff6bc12ae144eeeb59ec4bfd79bcb1b9a0eb1800c85a7ccfa689282c0bf