[INFO] crate shannon-entropy 1.0.0 is already in cache
[INFO] testing shannon-entropy-1.0.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate shannon-entropy 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate shannon-entropy 1.0.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] b152155633c9f6831c0cf0f98e9672b61e7a1bf9380a82ebc882902e8f2fab9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b152155633c9f6831c0cf0f98e9672b61e7a1bf9380a82ebc882902e8f2fab9b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling shannon-entropy v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "b152155633c9f6831c0cf0f98e9672b61e7a1bf9380a82ebc882902e8f2fab9b"`
[INFO] running `"docker" "rm" "-f" "b152155633c9f6831c0cf0f98e9672b61e7a1bf9380a82ebc882902e8f2fab9b"`
[INFO] [stdout] b152155633c9f6831c0cf0f98e9672b61e7a1bf9380a82ebc882902e8f2fab9b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4becd41050f5dd09d9674edfa46205f317942f0e9531e64b17bfbf74ef0ea8c
[INFO] running `"docker" "start" "-a" "f4becd41050f5dd09d9674edfa46205f317942f0e9531e64b17bfbf74ef0ea8c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling shannon-entropy v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "f4becd41050f5dd09d9674edfa46205f317942f0e9531e64b17bfbf74ef0ea8c"`
[INFO] running `"docker" "rm" "-f" "f4becd41050f5dd09d9674edfa46205f317942f0e9531e64b17bfbf74ef0ea8c"`
[INFO] [stdout] f4becd41050f5dd09d9674edfa46205f317942f0e9531e64b17bfbf74ef0ea8c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5607d1a0b49c8b32e837ba65f5f4f01e4d300c17ea39ded9f4922ca1426e334f
[INFO] running `"docker" "start" "-a" "5607d1a0b49c8b32e837ba65f5f4f01e4d300c17ea39ded9f4922ca1426e334f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shannon_entropy-8bb69aa1f3c9215d
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests shannon-entropy
[INFO] [stdout] test tests::test_shannon ... ok
[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 `"docker" "inspect" "5607d1a0b49c8b32e837ba65f5f4f01e4d300c17ea39ded9f4922ca1426e334f"`
[INFO] running `"docker" "rm" "-f" "5607d1a0b49c8b32e837ba65f5f4f01e4d300c17ea39ded9f4922ca1426e334f"`
[INFO] [stdout] 5607d1a0b49c8b32e837ba65f5f4f01e4d300c17ea39ded9f4922ca1426e334f