[INFO] fetching crate c2_histograms 0.2.4...
[INFO] testing c2_histograms-0.2.4 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate c2_histograms 0.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate c2_histograms 0.2.4 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 c2_histograms 0.2.4
[INFO] finished tweaking crates.io crate c2_histograms 0.2.4
[INFO] tweaked toml for crates.io crate c2_histograms 0.2.4 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] 25c3ed99bf846ac9e0e8f8292ba777a154952dcacaeb4f35a118303d0f779976
[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" "25c3ed99bf846ac9e0e8f8292ba777a154952dcacaeb4f35a118303d0f779976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c3ed99bf846ac9e0e8f8292ba777a154952dcacaeb4f35a118303d0f779976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c3ed99bf846ac9e0e8f8292ba777a154952dcacaeb4f35a118303d0f779976", kill_on_drop: false }`
[INFO] [stdout] 25c3ed99bf846ac9e0e8f8292ba777a154952dcacaeb4f35a118303d0f779976
[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] cda696110cecb1f1af6b972858af3a8d0942e5a1d4cc039d787f34ed21c1f588
[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" "cda696110cecb1f1af6b972858af3a8d0942e5a1d4cc039d787f34ed21c1f588", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2_histograms v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "cda696110cecb1f1af6b972858af3a8d0942e5a1d4cc039d787f34ed21c1f588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda696110cecb1f1af6b972858af3a8d0942e5a1d4cc039d787f34ed21c1f588", kill_on_drop: false }`
[INFO] [stdout] cda696110cecb1f1af6b972858af3a8d0942e5a1d4cc039d787f34ed21c1f588
[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] ff565d5c66bc57f5d101a5e69bb6ccb21fe65c6a1252742c6acb60babad54e6a
[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" "ff565d5c66bc57f5d101a5e69bb6ccb21fe65c6a1252742c6acb60babad54e6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2_histograms v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "ff565d5c66bc57f5d101a5e69bb6ccb21fe65c6a1252742c6acb60babad54e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff565d5c66bc57f5d101a5e69bb6ccb21fe65c6a1252742c6acb60babad54e6a", kill_on_drop: false }`
[INFO] [stdout] ff565d5c66bc57f5d101a5e69bb6ccb21fe65c6a1252742c6acb60babad54e6a
[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] [stdout] cb7055ef0c0244ccd9b097ec6062b6e887ba64105b7a7403e48b20791d0020cd
[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" "cb7055ef0c0244ccd9b097ec6062b6e887ba64105b7a7403e48b20791d0020cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c2_histograms-8a7361ed3e3642d9
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test c2::compact_testing::init_params ... ok
[INFO] [stdout] test standard::standard_testing::compression1 ... ok
[INFO] [stdout] test c2::compact_testing::sub_ranges ... ok
[INFO] [stdout] test c2::compress_testing::decompression ... ok
[INFO] [stdout] test c2::compress_testing::init_params ... ok
[INFO] [stdout] test standard::standard_testing::compaction2 ... ok
[INFO] [stdout] test standard::standard_testing::c2_1 ... ok
[INFO] [stdout] test c2::compact_testing::pos_leases ... ok
[INFO] [stdout] test c2::compact_testing::ranges ... ok
[INFO] [stdout] test standard::standard_testing::compression2 ... ok
[INFO] [stdout] test c2::compress_testing::compression ... ok
[INFO] [stdout] test c2::compress_testing::decomp_comp ... ok
[INFO] [stdout] test standard::standard_testing::init ... ok
[INFO] [stdout] test standard::standard_testing::compaction1 ... ok
[INFO] [stdout] test c2::compact_testing::index_buckets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests c2_histograms
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/standard.rs - standard::NullParams (line 153) ... ok
[INFO] [stdout] test src/c2.rs - c2::C2Params (line 621) ... ok
[INFO] [stdout] test src/c2.rs - c2::CompressedParams (line 449) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram::to_compressed (line 289) ... ok
[INFO] [stdout] test src/c2.rs - c2::CompactParams (line 123) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram (line 169) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram::to_compact (line 230) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram::to_c2 (line 323) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb7055ef0c0244ccd9b097ec6062b6e887ba64105b7a7403e48b20791d0020cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7055ef0c0244ccd9b097ec6062b6e887ba64105b7a7403e48b20791d0020cd", kill_on_drop: false }`
[INFO] [stdout] cb7055ef0c0244ccd9b097ec6062b6e887ba64105b7a7403e48b20791d0020cd