[INFO] fetching crate preexplorer 0.4.1...
[INFO] testing preexplorer-0.4.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate preexplorer 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate preexplorer 0.4.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded average v0.10.6
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d6d2ee5f9294603e15072bf8b0cdfd5bf9bd122105b9131458cd444ac5aa6bd
[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" "1d6d2ee5f9294603e15072bf8b0cdfd5bf9bd122105b9131458cd444ac5aa6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d6d2ee5f9294603e15072bf8b0cdfd5bf9bd122105b9131458cd444ac5aa6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6d2ee5f9294603e15072bf8b0cdfd5bf9bd122105b9131458cd444ac5aa6bd", kill_on_drop: false }`
[INFO] [stdout] 1d6d2ee5f9294603e15072bf8b0cdfd5bf9bd122105b9131458cd444ac5aa6bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba406f6867173395c86fb868ef796ea2ab1454c29e3216473bc4d4f5538dfe4
[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" "7ba406f6867173395c86fb868ef796ea2ab1454c29e3216473bc4d4f5538dfe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[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 conv v0.3.3
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling average v0.10.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling chrono v0.4.19
[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 14.54s
[INFO] running `Command { std: "docker" "inspect" "7ba406f6867173395c86fb868ef796ea2ab1454c29e3216473bc4d4f5538dfe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba406f6867173395c86fb868ef796ea2ab1454c29e3216473bc4d4f5538dfe4", kill_on_drop: false }`
[INFO] [stdout] 7ba406f6867173395c86fb868ef796ea2ab1454c29e3216473bc4d4f5538dfe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 959bffe61a06604efa4bd3984a162d231f4df8ac2b4072c5cc457cc8cff706fd
[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" "959bffe61a06604efa4bd3984a162d231f4df8ac2b4072c5cc457cc8cff706fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 9.89s
[INFO] running `Command { std: "docker" "inspect" "959bffe61a06604efa4bd3984a162d231f4df8ac2b4072c5cc457cc8cff706fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959bffe61a06604efa4bd3984a162d231f4df8ac2b4072c5cc457cc8cff706fd", kill_on_drop: false }`
[INFO] [stdout] 959bffe61a06604efa4bd3984a162d231f4df8ac2b4072c5cc457cc8cff706fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4f964ce7ea7f82d931fc2634f5b0f0ae6a849c5567d7f073b058af93893c2f4
[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" "b4f964ce7ea7f82d931fc2634f5b0f0ae6a849c5567d7f073b058af93893c2f4", 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::date ... ok
[INFO] [stdout] test configuration::tests::header ... ok
[INFO] [stdout] test configuration::tests::custom ... ok
[INFO] [stdout] test configuration::tests::id ... ok
[INFO] [stdout] test configuration::tests::labels ... ok
[INFO] [stdout] test configuration::tests::paths ... ok
[INFO] [stdout] test configuration::tests::pause ... ok
[INFO] [stdout] test configuration::tests::log_axis ... 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::error::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::error::tests::from_densitites ... ok
[INFO] [stdout] test sequence::violin::tests::from_densitites ... 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/lib.rs - (line 38) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 62) - compile ... ok
[INFO] [stdout] test src/density.rs - density::Density (line 16) - compile ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 100) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 27) - compile ... ok
[INFO] [stdout] test src/data.rs - data::Data (line 18) - compile ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 109) - compile ... ok
[INFO] [stdout] test src/density.rs - density::Density (line 22) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 51) - compile ... ok
[INFO] [stdout] test src/density.rs - density::Density<T>::new (line 50) - compile ... ok
[INFO] [stdout] test src/density/comparison.rs - density::comparison::Densities (line 14) - compile ... ok
[INFO] [stdout] test src/lib.rs - traits (line 104) ... 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" "b4f964ce7ea7f82d931fc2634f5b0f0ae6a849c5567d7f073b058af93893c2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f964ce7ea7f82d931fc2634f5b0f0ae6a849c5567d7f073b058af93893c2f4", kill_on_drop: false }`
[INFO] [stdout] b4f964ce7ea7f82d931fc2634f5b0f0ae6a849c5567d7f073b058af93893c2f4