[INFO] crate shannon-entropy 1.0.0 is already in cache
[INFO] testing shannon-entropy-1.0.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate shannon-entropy 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate shannon-entropy 1.0.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-07-24" "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] e32d7cc7f3485da29bbdb193bc1b1a76788294a81456907daffa071e69ca1f57
[INFO] running `Command { std: "docker" "start" "-a" "e32d7cc7f3485da29bbdb193bc1b1a76788294a81456907daffa071e69ca1f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e32d7cc7f3485da29bbdb193bc1b1a76788294a81456907daffa071e69ca1f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32d7cc7f3485da29bbdb193bc1b1a76788294a81456907daffa071e69ca1f57", kill_on_drop: false }`
[INFO] [stdout] e32d7cc7f3485da29bbdb193bc1b1a76788294a81456907daffa071e69ca1f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7caae3266c284d0f5ddf40ff986b1a54afc76d604354b68b107830f931a3170b
[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" "7caae3266c284d0f5ddf40ff986b1a54afc76d604354b68b107830f931a3170b", kill_on_drop: false }`
[INFO] [stderr]    Compiling shannon-entropy v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "7caae3266c284d0f5ddf40ff986b1a54afc76d604354b68b107830f931a3170b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7caae3266c284d0f5ddf40ff986b1a54afc76d604354b68b107830f931a3170b", kill_on_drop: false }`
[INFO] [stdout] 7caae3266c284d0f5ddf40ff986b1a54afc76d604354b68b107830f931a3170b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfcbf77e6878f9288ac9e16e57118b729aa33a7a311894f3a579acf5ac6d83e4
[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" "dfcbf77e6878f9288ac9e16e57118b729aa33a7a311894f3a579acf5ac6d83e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling shannon-entropy v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "dfcbf77e6878f9288ac9e16e57118b729aa33a7a311894f3a579acf5ac6d83e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcbf77e6878f9288ac9e16e57118b729aa33a7a311894f3a579acf5ac6d83e4", kill_on_drop: false }`
[INFO] [stdout] dfcbf77e6878f9288ac9e16e57118b729aa33a7a311894f3a579acf5ac6d83e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2020-07-24" "test" "--frozen", 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] 8417eeff3af69fde45633fbc9a54e3dcec2380fb8ff80023fb9ae26a3b731bfe
[INFO] running `Command { std: "docker" "start" "-a" "8417eeff3af69fde45633fbc9a54e3dcec2380fb8ff80023fb9ae26a3b731bfe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shannon_entropy-d1ec183b9765977f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]    Doc-tests shannon-entropy
[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" "8417eeff3af69fde45633fbc9a54e3dcec2380fb8ff80023fb9ae26a3b731bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8417eeff3af69fde45633fbc9a54e3dcec2380fb8ff80023fb9ae26a3b731bfe", kill_on_drop: false }`
[INFO] [stdout] 8417eeff3af69fde45633fbc9a54e3dcec2380fb8ff80023fb9ae26a3b731bfe