[INFO] fetching crate preexplorer 0.3.4...
[INFO] testing preexplorer-0.3.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate preexplorer 0.3.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate preexplorer 0.3.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preexplorer 0.3.4
[INFO] finished tweaking crates.io crate preexplorer 0.3.4
[INFO] tweaked toml for crates.io crate preexplorer 0.3.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate preexplorer 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] b9c05e239110e1e222232a7816d08d67250659cab3e28ce8a614b047dd128045
[INFO] running `Command { std: "docker" "start" "-a" "b9c05e239110e1e222232a7816d08d67250659cab3e28ce8a614b047dd128045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9c05e239110e1e222232a7816d08d67250659cab3e28ce8a614b047dd128045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c05e239110e1e222232a7816d08d67250659cab3e28ce8a614b047dd128045", kill_on_drop: false }`
[INFO] [stdout] b9c05e239110e1e222232a7816d08d67250659cab3e28ce8a614b047dd128045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] cf5f354ce1a7c6a483c674cb97956ade0e1145e89b5aa7fe874f1d7ee9f63378
[INFO] running `Command { std: "docker" "start" "-a" "cf5f354ce1a7c6a483c674cb97956ade0e1145e89b5aa7fe874f1d7ee9f63378", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling average v0.10.4
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling preexplorer v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.53s
[INFO] running `Command { std: "docker" "inspect" "cf5f354ce1a7c6a483c674cb97956ade0e1145e89b5aa7fe874f1d7ee9f63378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5f354ce1a7c6a483c674cb97956ade0e1145e89b5aa7fe874f1d7ee9f63378", kill_on_drop: false }`
[INFO] [stdout] cf5f354ce1a7c6a483c674cb97956ade0e1145e89b5aa7fe874f1d7ee9f63378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4451048220de6d2364227f1d22ca31dc9f0b32380ea0d623baac3e6350e05c1
[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" "a4451048220de6d2364227f1d22ca31dc9f0b32380ea0d623baac3e6350e05c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.61s
[INFO] running `Command { std: "docker" "inspect" "a4451048220de6d2364227f1d22ca31dc9f0b32380ea0d623baac3e6350e05c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4451048220de6d2364227f1d22ca31dc9f0b32380ea0d623baac3e6350e05c1", kill_on_drop: false }`
[INFO] [stdout] a4451048220de6d2364227f1d22ca31dc9f0b32380ea0d623baac3e6350e05c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d899db52bdcf39267042f8c705954a2dda475703d5895c923e57bfdd388ed32
[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" "7d899db52bdcf39267042f8c705954a2dda475703d5895c923e57bfdd388ed32", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/preexplorer-acc19bd6bbe5cfb6
[INFO] [stdout] running 22 tests
[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::dashtype ... ok
[INFO] [stdout] test configuration::tests::extensions ... ok
[INFO] [stdout] test configuration::tests::title ... ok
[INFO] [stdout] test configuration::tests::style ... ok
[INFO] [stdout] test configuration::tests::log_axis ... ok
[INFO] [stdout] test sequence::error::tests::from_densitites ... ok
[INFO] [stdout] test sequence::error::tests::set_style ... ok
[INFO] [stdout] test sequence::tests::set_style ... ok
[INFO] [stdout] test configuration::tests::paths ... ok
[INFO] [stdout] test configuration::tests::tics ... ok
[INFO] [stdout] test process::violin::tests::set_style ... ok
[INFO] [stdout] test configuration::tests::pause ... ok
[INFO] [stdout] test sequence::bin::tests::set_style ... ok
[INFO] [stdout] test process::bin::tests::set_style ... ok
[INFO] [stdout] test configuration::tests::ranges ... ok
[INFO] [stdout] test sequence::violin::tests::from_densitites ... ok
[INFO] [stdout] test configuration::tests::labels ... ok
[INFO] [stdout] test configuration::tests::date ... ok
[INFO] [stderr]    Doc-tests preexplorer
[INFO] [stdout] test sequence::violin::tests::set_style ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 75 tests
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/density.rs - density::Density (line 22) ... ok
[INFO] [stdout] test src/density.rs - density::Density<T>::new (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/density/comparison.rs - density::comparison::Densities (line 14) ... ok
[INFO] [stdout] test src/density.rs - density::Density (line 16) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 117) ... ok
[INFO] [stdout] test src/data.rs - data::Data (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 126) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Heatmap (line 23) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Heatmap (line 15) ... ok
[INFO] [stdout] test src/matrix/comparison.rs - matrix::comparison::Heatmaps (line 14) ... ok
[INFO] [stdout] test src/process.rs - process::Process (line 27) ... ok
[INFO] [stdout] test src/lib.rs - traits (line 140) ... ok
[INFO] [stdout] test src/process/bin.rs - process::bin::ProcessBin (line 15) ... ok
[INFO] [stdout] test src/process.rs - process::Process (line 33) ... ok
[INFO] [stdout] test src/process/bin.rs - process::bin::ProcessBin (line 23) ... ok
[INFO] [stdout] test src/lib.rs - traits (line 120) ... ok
[INFO] [stdout] test src/process/error.rs - process::error::ProcessError (line 26) ... ok
[INFO] [stdout] test src/process/error.rs - process::error::ProcessError (line 18) ... ok
[INFO] [stdout] test src/lib.rs - traits (line 171) ... ok
[INFO] [stdout] test src/process/comparison.rs - process::comparison::Processes (line 14) ... ok
[INFO] [stdout] test src/process/bin/comparison.rs - process::bin::comparison::ProcessBins (line 15) ... ok
[INFO] [stdout] test src/process/violin/comparison.rs - process::violin::comparison::ProcessViolins (line 15) ... ok
[INFO] [stdout] test src/process/violin.rs - process::violin::ProcessViolin (line 23) ... ok
[INFO] [stdout] test src/process/error/comparison.rs - process::error::comparison::ProcessErrors (line 15) ... ok
[INFO] [stdout] test src/process/violin.rs - process::violin::ProcessViolin (line 16) ... ok
[INFO] [stdout] test src/sequence.rs - sequence::Sequence (line 27) ... ok
[INFO] [stdout] test src/sequence.rs - sequence::Sequence (line 33) ... ok
[INFO] [stdout] test src/sequence/bin.rs - sequence::bin::SequenceBin (line 28) ... ok
[INFO] [stdout] test src/density.rs - density::Density<T>::set_cloud (line 119) ... ok
[INFO] [stdout] test src/process.rs - process::Process<T, S>::new (line 67) ... ok
[INFO] [stdout] test src/sequence/bin.rs - sequence::bin::SequenceBin (line 20) ... ok
[INFO] [stdout] test src/sequence/error.rs - sequence::error::SequenceError (line 18) ... ok
[INFO] [stdout] test src/sequence/error.rs - sequence::error::SequenceError (line 25) ... ok
[INFO] [stdout] test src/sequence/comparison.rs - sequence::comparison::Sequences (line 14) ... ok
[INFO] [stdout] test src/sequence/bin/comparison.rs - sequence::bin::comparison::SequenceBins (line 15) ... ok
[INFO] [stdout] test src/sequence/violin.rs - sequence::violin::SequenceViolin (line 16) ... ok
[INFO] [stdout] test src/density.rs - density::Density<T>::set_pdf (line 101) ... ok
[INFO] [stdout] test src/density.rs - density::Density<T>::set_cdf (line 83) ... ok
[INFO] [stdout] test src/density.rs - density::Density<T>::set_bins (line 138) ... ok
[INFO] [stdout] test src/sequence/error/comparison.rs - sequence::error::comparison::SequenceErrors (line 14) ... ok
[INFO] [stdout] test src/matrix.rs - matrix::Heatmap<T, S, U>::new (line 63) ... ok
[INFO] [stdout] test src/sequence/violin.rs - sequence::violin::SequenceViolin (line 23) ... ok
[INFO] [stdout] test src/process/bin.rs - process::bin::ProcessBin<T, S>::new (line 57) ... ok
[INFO] [stdout] test src/sequence/bin.rs - sequence::bin::SequenceBin<T>::new (line 67) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_id (line 421) ... ok
[INFO] [stdout] test src/sequence/violin/comparison.rs - sequence::violin::comparison::SequenceViolins (line 15) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_id (line 428) ... ok
[INFO] [stdout] test src/sequence.rs - sequence::Sequence<T>::new (line 65) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_pause (line 547) ... ok
[INFO] [stdout] test src/process/violin.rs - process::violin::ProcessViolin<T, S>::new (line 55) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_pause (line 556) ... ok
[INFO] [stdout] test src/process/error.rs - process::error::ProcessError<T>::new (line 53) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_pause (line 565) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_data_extension (line 323) ... ok
[INFO] [stdout] test src/traits.rs - traits::Plotable::plot_later (line 784) ... ok
[INFO] [stdout] test src/traits.rs - traits::Plotable::plot (line 816) ... ok
[INFO] [stdout] test src/traits.rs - traits::Saveable::save (line 705) ... ok
[INFO] [stdout] test src/traits.rs - traits::Saveable::save (line 698) ... ok
[INFO] [stdout] test src/traits.rs - traits::Plotable::plot_with_script (line 849) ... ok
[INFO] [stdout] test src/sequence/error.rs - sequence::error::SequenceError::new (line 50) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_custom (line 444) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_ticsx (line 462) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_header (line 355) ... ok
[INFO] [stdout] test src/traits.rs - traits::Saveable::save_with_id (line 720) ... ok
[INFO] [stdout] test src/sequence/violin.rs - sequence::violin::SequenceViolin<T>::new (line 49) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_date (line 398) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_style (line 373) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_ticsy (line 491) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_plot_extension (line 338) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_ticsx (line 470) ... ok
[INFO] [stdout] test src/traits.rs - traits::Configurable::set_ticsy (line 499) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 75 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d899db52bdcf39267042f8c705954a2dda475703d5895c923e57bfdd388ed32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d899db52bdcf39267042f8c705954a2dda475703d5895c923e57bfdd388ed32", kill_on_drop: false }`
[INFO] [stdout] 7d899db52bdcf39267042f8c705954a2dda475703d5895c923e57bfdd388ed32