[INFO] crate iota-pow-preview 0.1.0 is already in cache
[INFO] testing iota-pow-preview-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate iota-pow-preview 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate iota-pow-preview 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iota-pow-preview 0.1.0
[INFO] finished tweaking crates.io crate iota-pow-preview 0.1.0
[INFO] tweaked toml for crates.io crate iota-pow-preview 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c044764e2864fcabc57283e3513f6ce19d5700c5da71d649f5f281ac00c8d65
[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" "0c044764e2864fcabc57283e3513f6ce19d5700c5da71d649f5f281ac00c8d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c044764e2864fcabc57283e3513f6ce19d5700c5da71d649f5f281ac00c8d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c044764e2864fcabc57283e3513f6ce19d5700c5da71d649f5f281ac00c8d65", kill_on_drop: false }`
[INFO] [stdout] 0c044764e2864fcabc57283e3513f6ce19d5700c5da71d649f5f281ac00c8d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", 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] e327f5f07731bad6d552e56b63cd027fc6d69714b20dd092c3566c768231e214
[INFO] running `Command { std: "docker" "start" "-a" "e327f5f07731bad6d552e56b63cd027fc6d69714b20dd092c3566c768231e214", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling iota-common-preview v0.1.0
[INFO] [stderr]    Compiling iota-ternary-preview v0.1.0
[INFO] [stderr]    Compiling iota-crypto-preview v0.1.0
[INFO] [stderr]    Compiling iota-pow-preview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "e327f5f07731bad6d552e56b63cd027fc6d69714b20dd092c3566c768231e214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e327f5f07731bad6d552e56b63cd027fc6d69714b20dd092c3566c768231e214", kill_on_drop: false }`
[INFO] [stdout] e327f5f07731bad6d552e56b63cd027fc6d69714b20dd092c3566c768231e214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b9172ca3c1a7f080c41143ea8df3b6f760dc7b0ab4b8fb38572f4ebf697948e
[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" "8b9172ca3c1a7f080c41143ea8df3b6f760dc7b0ab4b8fb38572f4ebf697948e", kill_on_drop: false }`
[INFO] [stderr]    Compiling iota-pow-preview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "8b9172ca3c1a7f080c41143ea8df3b6f760dc7b0ab4b8fb38572f4ebf697948e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9172ca3c1a7f080c41143ea8df3b6f760dc7b0ab4b8fb38572f4ebf697948e", kill_on_drop: false }`
[INFO] [stdout] 8b9172ca3c1a7f080c41143ea8df3b6f760dc7b0ab4b8fb38572f4ebf697948e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d570c558e090cc5f8a26260d4121e4bcf345875f07b94077a02c2e396eb0c29a
[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" "d570c558e090cc5f8a26260d4121e4bcf345875f07b94077a02c2e396eb0c29a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iota_pow_preview-c37ba1b8f6922209
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iota-pow-preview
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d570c558e090cc5f8a26260d4121e4bcf345875f07b94077a02c2e396eb0c29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d570c558e090cc5f8a26260d4121e4bcf345875f07b94077a02c2e396eb0c29a", kill_on_drop: false }`
[INFO] [stdout] d570c558e090cc5f8a26260d4121e4bcf345875f07b94077a02c2e396eb0c29a