[INFO] fetching crate lazy-observer 0.1.0...
[INFO] testing lazy-observer-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lazy-observer 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lazy-observer 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lazy-observer 0.1.0
[INFO] finished tweaking crates.io crate lazy-observer 0.1.0
[INFO] tweaked toml for crates.io crate lazy-observer 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 9ad66b25dd87379d01663037b5b3f3ed4b3c639f657b412ca3db8ad43edf68a5
[INFO] running `Command { std: "docker" "start" "-a" "9ad66b25dd87379d01663037b5b3f3ed4b3c639f657b412ca3db8ad43edf68a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ad66b25dd87379d01663037b5b3f3ed4b3c639f657b412ca3db8ad43edf68a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad66b25dd87379d01663037b5b3f3ed4b3c639f657b412ca3db8ad43edf68a5", kill_on_drop: false }`
[INFO] [stdout] 9ad66b25dd87379d01663037b5b3f3ed4b3c639f657b412ca3db8ad43edf68a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77732bdc865564a5e0c4499d4c004a93ad4d47598777c18d3153eadc1460212f
[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" "77732bdc865564a5e0c4499d4c004a93ad4d47598777c18d3153eadc1460212f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy-observer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "77732bdc865564a5e0c4499d4c004a93ad4d47598777c18d3153eadc1460212f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77732bdc865564a5e0c4499d4c004a93ad4d47598777c18d3153eadc1460212f", kill_on_drop: false }`
[INFO] [stdout] 77732bdc865564a5e0c4499d4c004a93ad4d47598777c18d3153eadc1460212f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 1e913d15bc4065dc926ee984adbe4cbd9a32a8c6f8200c97bd4b9ea41f867f76
[INFO] running `Command { std: "docker" "start" "-a" "1e913d15bc4065dc926ee984adbe4cbd9a32a8c6f8200c97bd4b9ea41f867f76", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy-observer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "1e913d15bc4065dc926ee984adbe4cbd9a32a8c6f8200c97bd4b9ea41f867f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e913d15bc4065dc926ee984adbe4cbd9a32a8c6f8200c97bd4b9ea41f867f76", kill_on_drop: false }`
[INFO] [stdout] 1e913d15bc4065dc926ee984adbe4cbd9a32a8c6f8200c97bd4b9ea41f867f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] adacc09cba272509c547e5509f03c7df774e9e73c0794a64a91402f4ceb7a6b5
[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" "adacc09cba272509c547e5509f03c7df774e9e73c0794a64a91402f4ceb7a6b5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lazy_observer-64edf60537200f26
[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]      Running /opt/rustwide/target/debug/deps/basic-b3a3676273abb911
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lazy ... ok
[INFO] [stdout] test lazy_field ... ok
[INFO] [stderr]    Doc-tests lazy-observer
[INFO] [stdout] test lazy_with_if ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "adacc09cba272509c547e5509f03c7df774e9e73c0794a64a91402f4ceb7a6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adacc09cba272509c547e5509f03c7df774e9e73c0794a64a91402f4ceb7a6b5", kill_on_drop: false }`
[INFO] [stdout] adacc09cba272509c547e5509f03c7df774e9e73c0794a64a91402f4ceb7a6b5