[INFO] fetching crate aktoro-context 0.1.0-alpha.4...
[INFO] testing aktoro-context-0.1.0-alpha.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate aktoro-context 0.1.0-alpha.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate aktoro-context 0.1.0-alpha.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aktoro-context 0.1.0-alpha.4
[INFO] finished tweaking crates.io crate aktoro-context 0.1.0-alpha.4
[INFO] tweaked toml for crates.io crate aktoro-context 0.1.0-alpha.4 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24b80c691f7f5ea5e26728faf1750918834c149e83b121160c772c0f52453932
[INFO] running `Command { std: "docker" "start" "-a" "24b80c691f7f5ea5e26728faf1750918834c149e83b121160c772c0f52453932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24b80c691f7f5ea5e26728faf1750918834c149e83b121160c772c0f52453932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b80c691f7f5ea5e26728faf1750918834c149e83b121160c772c0f52453932", kill_on_drop: false }`
[INFO] [stdout] 24b80c691f7f5ea5e26728faf1750918834c149e83b121160c772c0f52453932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b5f9ca340f8aec9715d025bdf2fbfe7ce8f9fb36696a89738a058227e86603b
[INFO] running `Command { std: "docker" "start" "-a" "0b5f9ca340f8aec9715d025bdf2fbfe7ce8f9fb36696a89738a058227e86603b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling aktoro-channel v0.1.0-alpha.8
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling aktoro-raw v0.1.0-alpha.4
[INFO] [stderr]    Compiling aktoro-context v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "0b5f9ca340f8aec9715d025bdf2fbfe7ce8f9fb36696a89738a058227e86603b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5f9ca340f8aec9715d025bdf2fbfe7ce8f9fb36696a89738a058227e86603b", kill_on_drop: false }`
[INFO] [stdout] 0b5f9ca340f8aec9715d025bdf2fbfe7ce8f9fb36696a89738a058227e86603b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 224e968c432501c07a7359e3a48f3a4de1b1fd02a3836255b39088fe2566c62c
[INFO] running `Command { std: "docker" "start" "-a" "224e968c432501c07a7359e3a48f3a4de1b1fd02a3836255b39088fe2566c62c", kill_on_drop: false }`
[INFO] [stderr]    Compiling aktoro-context v0.1.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "224e968c432501c07a7359e3a48f3a4de1b1fd02a3836255b39088fe2566c62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "224e968c432501c07a7359e3a48f3a4de1b1fd02a3836255b39088fe2566c62c", kill_on_drop: false }`
[INFO] [stdout] 224e968c432501c07a7359e3a48f3a4de1b1fd02a3836255b39088fe2566c62c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05c31c4173288b0ad9b748ab672439627b0836a4d4c31be26257d1c9c452ca4d
[INFO] running `Command { std: "docker" "start" "-a" "05c31c4173288b0ad9b748ab672439627b0836a4d4c31be26257d1c9c452ca4d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aktoro_context-a65f1d478ffae52f)
[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 aktoro-context
[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" "05c31c4173288b0ad9b748ab672439627b0836a4d4c31be26257d1c9c452ca4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c31c4173288b0ad9b748ab672439627b0836a4d4c31be26257d1c9c452ca4d", kill_on_drop: false }`
[INFO] [stdout] 05c31c4173288b0ad9b748ab672439627b0836a4d4c31be26257d1c9c452ca4d