[INFO] fetching crate shannon-entropy 1.0.0...
[INFO] testing shannon-entropy-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate shannon-entropy 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate shannon-entropy 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shannon-entropy 1.0.0
[INFO] finished tweaking crates.io crate shannon-entropy 1.0.0
[INFO] tweaked toml for crates.io crate shannon-entropy 1.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 5ca79f9bd01403ad497f346b24698a4e94aadc30b7056a9ee68404ff4855266a
[INFO] running `Command { std: "docker" "start" "-a" "5ca79f9bd01403ad497f346b24698a4e94aadc30b7056a9ee68404ff4855266a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ca79f9bd01403ad497f346b24698a4e94aadc30b7056a9ee68404ff4855266a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca79f9bd01403ad497f346b24698a4e94aadc30b7056a9ee68404ff4855266a", kill_on_drop: false }`
[INFO] [stdout] 5ca79f9bd01403ad497f346b24698a4e94aadc30b7056a9ee68404ff4855266a
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e617908ccf81645d23c894982548895130328f91f18e1bfe5f7c44f7a743782
[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" "0e617908ccf81645d23c894982548895130328f91f18e1bfe5f7c44f7a743782", kill_on_drop: false }`
[INFO] [stderr]    Compiling shannon-entropy v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "0e617908ccf81645d23c894982548895130328f91f18e1bfe5f7c44f7a743782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e617908ccf81645d23c894982548895130328f91f18e1bfe5f7c44f7a743782", kill_on_drop: false }`
[INFO] [stdout] 0e617908ccf81645d23c894982548895130328f91f18e1bfe5f7c44f7a743782
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 181eda94c058ac695bf7d9f75d152cc05dfda4c518fcc6cf73600cc9786a9be1
[INFO] running `Command { std: "docker" "start" "-a" "181eda94c058ac695bf7d9f75d152cc05dfda4c518fcc6cf73600cc9786a9be1", kill_on_drop: false }`
[INFO] [stderr]    Compiling shannon-entropy v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "181eda94c058ac695bf7d9f75d152cc05dfda4c518fcc6cf73600cc9786a9be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181eda94c058ac695bf7d9f75d152cc05dfda4c518fcc6cf73600cc9786a9be1", kill_on_drop: false }`
[INFO] [stdout] 181eda94c058ac695bf7d9f75d152cc05dfda4c518fcc6cf73600cc9786a9be1
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3495004a227345d807b98bc795967749f1f8bbeaeee64e8320b499d0271610e
[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" "c3495004a227345d807b98bc795967749f1f8bbeaeee64e8320b499d0271610e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shannon_entropy-52f378f3ae8cad2d
[INFO] [stdout] test tests::test_shannon ... ok
[INFO] [stderr]    Doc-tests shannon-entropy
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - shannon_entropy (line 28) ... ok
[INFO] [stdout] test src/lib.rs - shannon_entropy (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3495004a227345d807b98bc795967749f1f8bbeaeee64e8320b499d0271610e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3495004a227345d807b98bc795967749f1f8bbeaeee64e8320b499d0271610e", kill_on_drop: false }`
[INFO] [stdout] c3495004a227345d807b98bc795967749f1f8bbeaeee64e8320b499d0271610e