[INFO] fetching crate shannon-entropy 1.0.0...
[INFO] testing shannon-entropy-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate shannon-entropy 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate shannon-entropy 1.0.0 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 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-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec792b6f695cf5829d9c15ad2f6c5b648deb372efbc9a00b8f1584dc45a27f53
[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" "ec792b6f695cf5829d9c15ad2f6c5b648deb372efbc9a00b8f1584dc45a27f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec792b6f695cf5829d9c15ad2f6c5b648deb372efbc9a00b8f1584dc45a27f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec792b6f695cf5829d9c15ad2f6c5b648deb372efbc9a00b8f1584dc45a27f53", kill_on_drop: false }`
[INFO] [stdout] ec792b6f695cf5829d9c15ad2f6c5b648deb372efbc9a00b8f1584dc45a27f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "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] 3ab3ba6eec118e1eb460ff04441f5d8c4e8151cc7f7e20df0aeeb2f96a838b13
[INFO] running `Command { std: "docker" "start" "-a" "3ab3ba6eec118e1eb460ff04441f5d8c4e8151cc7f7e20df0aeeb2f96a838b13", kill_on_drop: false }`
[INFO] [stderr]    Compiling shannon-entropy v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "3ab3ba6eec118e1eb460ff04441f5d8c4e8151cc7f7e20df0aeeb2f96a838b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab3ba6eec118e1eb460ff04441f5d8c4e8151cc7f7e20df0aeeb2f96a838b13", kill_on_drop: false }`
[INFO] [stdout] 3ab3ba6eec118e1eb460ff04441f5d8c4e8151cc7f7e20df0aeeb2f96a838b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59c83b52e91a1ada01ffb317e57b021ff60628c03350e1cd806ed55a8f95431f
[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" "59c83b52e91a1ada01ffb317e57b021ff60628c03350e1cd806ed55a8f95431f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shannon-entropy v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "59c83b52e91a1ada01ffb317e57b021ff60628c03350e1cd806ed55a8f95431f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c83b52e91a1ada01ffb317e57b021ff60628c03350e1cd806ed55a8f95431f", kill_on_drop: false }`
[INFO] [stdout] 59c83b52e91a1ada01ffb317e57b021ff60628c03350e1cd806ed55a8f95431f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cba606bd766b73abe2ec5fb36f2e261683ea54a22aa37cd1927d6d042e29afe8
[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" "cba606bd766b73abe2ec5fb36f2e261683ea54a22aa37cd1927d6d042e29afe8", 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] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shannon_entropy-d60262ade7f82e2a
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - shannon_entropy (line 22) ... ok
[INFO] [stdout] test src/lib.rs - shannon_entropy (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cba606bd766b73abe2ec5fb36f2e261683ea54a22aa37cd1927d6d042e29afe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba606bd766b73abe2ec5fb36f2e261683ea54a22aa37cd1927d6d042e29afe8", kill_on_drop: false }`
[INFO] [stdout] cba606bd766b73abe2ec5fb36f2e261683ea54a22aa37cd1927d6d042e29afe8