[INFO] fetching crate aktoro-flow-core 0.0.0...
[INFO] testing aktoro-flow-core-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate aktoro-flow-core 0.0.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate aktoro-flow-core 0.0.0 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 aktoro-flow-core 0.0.0
[INFO] finished tweaking crates.io crate aktoro-flow-core 0.0.0
[INFO] tweaked toml for crates.io crate aktoro-flow-core 0.0.0 written to /workspace/builds/worker-21/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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93cd7da1d82e8ae7c87f9a3e9f898a9bd6fd9c88c5c2a7959dc52a752a9617fb
[INFO] running `Command { std: "docker" "start" "-a" "93cd7da1d82e8ae7c87f9a3e9f898a9bd6fd9c88c5c2a7959dc52a752a9617fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93cd7da1d82e8ae7c87f9a3e9f898a9bd6fd9c88c5c2a7959dc52a752a9617fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93cd7da1d82e8ae7c87f9a3e9f898a9bd6fd9c88c5c2a7959dc52a752a9617fb", kill_on_drop: false }`
[INFO] [stdout] 93cd7da1d82e8ae7c87f9a3e9f898a9bd6fd9c88c5c2a7959dc52a752a9617fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b773863f008162fda265cb7d415b7df2d2b6b95dab07e4be9b3f2866f088e26
[INFO] running `Command { std: "docker" "start" "-a" "4b773863f008162fda265cb7d415b7df2d2b6b95dab07e4be9b3f2866f088e26", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aktoro-flow-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "4b773863f008162fda265cb7d415b7df2d2b6b95dab07e4be9b3f2866f088e26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b773863f008162fda265cb7d415b7df2d2b6b95dab07e4be9b3f2866f088e26", kill_on_drop: false }`
[INFO] [stdout] 4b773863f008162fda265cb7d415b7df2d2b6b95dab07e4be9b3f2866f088e26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 646381cc68046bcb9ae4f778275448a078a2cd295b334630f624daa0d84335d3
[INFO] running `Command { std: "docker" "start" "-a" "646381cc68046bcb9ae4f778275448a078a2cd295b334630f624daa0d84335d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling aktoro-flow-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/aktoro_flow_core-7410a012dfe95673)
[INFO] running `Command { std: "docker" "inspect" "646381cc68046bcb9ae4f778275448a078a2cd295b334630f624daa0d84335d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646381cc68046bcb9ae4f778275448a078a2cd295b334630f624daa0d84335d3", kill_on_drop: false }`
[INFO] [stdout] 646381cc68046bcb9ae4f778275448a078a2cd295b334630f624daa0d84335d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9d1bc14ada7d41be159c16c9226d44c28dc291d768ddf52a3d9e3bb665ac83d
[INFO] running `Command { std: "docker" "start" "-a" "e9d1bc14ada7d41be159c16c9226d44c28dc291d768ddf52a3d9e3bb665ac83d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aktoro_flow_core-7410a012dfe95673)
[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-flow-core
[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" "e9d1bc14ada7d41be159c16c9226d44c28dc291d768ddf52a3d9e3bb665ac83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d1bc14ada7d41be159c16c9226d44c28dc291d768ddf52a3d9e3bb665ac83d", kill_on_drop: false }`
[INFO] [stdout] e9d1bc14ada7d41be159c16c9226d44c28dc291d768ddf52a3d9e3bb665ac83d