[INFO] fetching crate c2_histograms 0.2.4...
[INFO] testing c2_histograms-0.2.4 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate c2_histograms 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate c2_histograms 0.2.4 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7c591bade26f0bfcfe0fd4d8ae3945b6fddeba78987f11b920993a617c1ead5
[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" "b7c591bade26f0bfcfe0fd4d8ae3945b6fddeba78987f11b920993a617c1ead5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c591bade26f0bfcfe0fd4d8ae3945b6fddeba78987f11b920993a617c1ead5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c591bade26f0bfcfe0fd4d8ae3945b6fddeba78987f11b920993a617c1ead5", kill_on_drop: false }`
[INFO] [stdout] b7c591bade26f0bfcfe0fd4d8ae3945b6fddeba78987f11b920993a617c1ead5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 2150ce77def44991c81a737761cd013367c2708489b5fa7d1c5a1e6240033347
[INFO] running `Command { std: "docker" "start" "-a" "2150ce77def44991c81a737761cd013367c2708489b5fa7d1c5a1e6240033347", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2_histograms v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "2150ce77def44991c81a737761cd013367c2708489b5fa7d1c5a1e6240033347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2150ce77def44991c81a737761cd013367c2708489b5fa7d1c5a1e6240033347", kill_on_drop: false }`
[INFO] [stdout] 2150ce77def44991c81a737761cd013367c2708489b5fa7d1c5a1e6240033347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 8ad48d1ad5b4b8b9888c603d043099a66d8cabddf4be2091bcf0ee1c95e51c85
[INFO] running `Command { std: "docker" "start" "-a" "8ad48d1ad5b4b8b9888c603d043099a66d8cabddf4be2091bcf0ee1c95e51c85", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2_histograms v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "8ad48d1ad5b4b8b9888c603d043099a66d8cabddf4be2091bcf0ee1c95e51c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad48d1ad5b4b8b9888c603d043099a66d8cabddf4be2091bcf0ee1c95e51c85", kill_on_drop: false }`
[INFO] [stdout] 8ad48d1ad5b4b8b9888c603d043099a66d8cabddf4be2091bcf0ee1c95e51c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e84fbaaf9147849e5c1d812d0fbe5752666e8ae7945f9cabf4eea10785cb5f74
[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" "e84fbaaf9147849e5c1d812d0fbe5752666e8ae7945f9cabf4eea10785cb5f74", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c2_histograms-04c4413140f6eb09)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test c2::compact_testing::init_params ... ok
[INFO] [stdout] test c2::compress_testing::decompression ... ok
[INFO] [stdout] test c2::compress_testing::decomp_comp ... ok
[INFO] [stdout] test standard::standard_testing::c2_1 ... ok
[INFO] [stdout] test standard::standard_testing::init ... ok
[INFO] [stdout] test standard::standard_testing::compression2 ... ok
[INFO] [stdout] test c2::compact_testing::ranges ... ok
[INFO] [stderr]    Doc-tests c2_histograms
[INFO] [stdout] test c2::compress_testing::compression ... ok
[INFO] [stdout] test c2::compact_testing::pos_leases ... ok
[INFO] [stdout] test c2::compact_testing::index_buckets ... ok
[INFO] [stdout] test c2::compress_testing::init_params ... ok
[INFO] [stdout] test standard::standard_testing::compaction2 ... ok
[INFO] [stdout] test standard::standard_testing::compaction1 ... ok
[INFO] [stdout] test c2::compact_testing::sub_ranges ... ok
[INFO] [stdout] test standard::standard_testing::compression1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram::to_compressed (line 289) ... ok
[INFO] [stdout] test src/c2.rs - c2::C2Params (line 621) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram::to_compact (line 230) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram (line 169) ... ok
[INFO] [stdout] test src/c2.rs - c2::CompactParams (line 123) ... ok
[INFO] [stdout] test src/standard.rs - standard::NullParams (line 153) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram::to_c2 (line 323) ... ok
[INFO] [stdout] test src/c2.rs - c2::CompressedParams (line 449) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e84fbaaf9147849e5c1d812d0fbe5752666e8ae7945f9cabf4eea10785cb5f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84fbaaf9147849e5c1d812d0fbe5752666e8ae7945f9cabf4eea10785cb5f74", kill_on_drop: false }`
[INFO] [stdout] e84fbaaf9147849e5c1d812d0fbe5752666e8ae7945f9cabf4eea10785cb5f74