[INFO] fetching crate preexplorer 0.4.1...
[INFO] testing preexplorer-0.4.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate preexplorer 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate preexplorer 0.4.1 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 preexplorer 0.4.1
[INFO] finished tweaking crates.io crate preexplorer 0.4.1
[INFO] tweaked toml for crates.io crate preexplorer 0.4.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate preexplorer 0.4.1 already has a lockfile, it will not be regenerated
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57e496edd93f04367130c8de0f17d840fe5fade632f8fa612e3c5f729b2175c0
[INFO] running `Command { std: "docker" "start" "-a" "57e496edd93f04367130c8de0f17d840fe5fade632f8fa612e3c5f729b2175c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57e496edd93f04367130c8de0f17d840fe5fade632f8fa612e3c5f729b2175c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e496edd93f04367130c8de0f17d840fe5fade632f8fa612e3c5f729b2175c0", kill_on_drop: false }`
[INFO] [stdout] 57e496edd93f04367130c8de0f17d840fe5fade632f8fa612e3c5f729b2175c0
[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] d100b757e9c18c8829f68c9a085801554732b0ec9663be7d3bf846f97e55da5c
[INFO] running `Command { std: "docker" "start" "-a" "d100b757e9c18c8829f68c9a085801554732b0ec9663be7d3bf846f97e55da5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling average v0.10.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling preexplorer v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.55s
[INFO] running `Command { std: "docker" "inspect" "d100b757e9c18c8829f68c9a085801554732b0ec9663be7d3bf846f97e55da5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d100b757e9c18c8829f68c9a085801554732b0ec9663be7d3bf846f97e55da5c", kill_on_drop: false }`
[INFO] [stdout] d100b757e9c18c8829f68c9a085801554732b0ec9663be7d3bf846f97e55da5c
[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] [stdout] 3dbde6beed3eb791cdb98daeb21c532662b3cebcde67510d76c51e4aefec6a68
[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" "3dbde6beed3eb791cdb98daeb21c532662b3cebcde67510d76c51e4aefec6a68", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling preexplorer v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "3dbde6beed3eb791cdb98daeb21c532662b3cebcde67510d76c51e4aefec6a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dbde6beed3eb791cdb98daeb21c532662b3cebcde67510d76c51e4aefec6a68", kill_on_drop: false }`
[INFO] [stdout] 3dbde6beed3eb791cdb98daeb21c532662b3cebcde67510d76c51e4aefec6a68
[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] 8824ce2cd68c781723d720dc62e61667a77496e78bef1e2ee6d43de8196fc56e
[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" "8824ce2cd68c781723d720dc62e61667a77496e78bef1e2ee6d43de8196fc56e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/preexplorer-72517e6e7369cf24)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test configuration::tests::dashtype ... ok
[INFO] [stdout] test configuration::tests::extensions ... ok
[INFO] [stdout] test configuration::tests::custom ... ok
[INFO] [stdout] test configuration::tests::date ... ok
[INFO] [stdout] test configuration::tests::header ... ok
[INFO] [stdout] test configuration::tests::id ... ok
[INFO] [stdout] test configuration::tests::labels ... ok
[INFO] [stdout] test configuration::tests::log_axis ... ok
[INFO] [stdout] test configuration::tests::paths ... ok
[INFO] [stdout] test configuration::tests::pause ... ok
[INFO] [stdout] test configuration::tests::ranges ... ok
[INFO] [stdout] test configuration::tests::style ... ok
[INFO] [stdout] test configuration::tests::tics ... ok
[INFO] [stdout] test configuration::tests::title ... ok
[INFO] [stdout] test process::bin::tests::set_style ... ok
[INFO] [stdout] test process::violin::tests::set_style ... ok
[INFO] [stdout] test sequence::bin::tests::set_style ... ok
[INFO] [stdout] test sequence::tests::set_style ... ok
[INFO] [stdout] test sequence::violin::tests::set_style ... ok
[INFO] [stdout] test sequence::violin::tests::from_densitites ... ok
[INFO] [stdout] test sequence::error::tests::from_densitites ... ok
[INFO] [stdout] test sequence::error::tests::set_style ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests preexplorer
[INFO] [stdout] 
[INFO] [stdout] running 75 tests
[INFO] [stdout] test src/density.rs - density::Density<T>::new (line 50) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 51) - compile ... ok
[INFO] [stdout] test src/density/comparison.rs - density::comparison::Densities (line 14) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 38) - compile ... ok
[INFO] [stdout] test src/density.rs - density::Density (line 22) - compile ... ok
[INFO] [stdout] test src/density.rs - density::Density (line 16) - compile ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 109) - compile ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name preexplorer --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-26b4aedc32bd5fb3.rlib --extern average=/opt/rustwide/target/debug/deps/libaverage-30faaa49fdd7c8eb.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-d0332dd72fbb48d5.rlib --extern getset=/opt/rustwide/target/debug/deps/libgetset-42a10c5e0f1cee1b.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-02b10cb8cc5c6f52.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-ff3c454d7057938b.rlib --extern preexplorer=/opt/rustwide/target/debug/deps/libpreexplorer-09486cd785ab5c8c.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-6c244d2e87110d19.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-bce8d2283d7813c0.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-6d0864f2eb3d7944.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8824ce2cd68c781723d720dc62e61667a77496e78bef1e2ee6d43de8196fc56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8824ce2cd68c781723d720dc62e61667a77496e78bef1e2ee6d43de8196fc56e", kill_on_drop: false }`
[INFO] [stdout] 8824ce2cd68c781723d720dc62e61667a77496e78bef1e2ee6d43de8196fc56e