[INFO] crate rtop 0.0.3 is already in cache
[INFO] extracting crate rtop 0.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/rtop/0.0.3
[INFO] extracting crate rtop 0.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rtop/0.0.3
[INFO] validating manifest of rtop-0.0.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rtop-0.0.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rtop-0.0.3
[INFO] finished frobbing rtop-0.0.3
[INFO] frobbed toml for rtop-0.0.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rtop/0.0.3/Cargo.toml
[INFO] started frobbing rtop-0.0.3
[INFO] finished frobbing rtop-0.0.3
[INFO] frobbed toml for rtop-0.0.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rtop/0.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rtop-0.0.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rtop/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9bd6c11eb21b5594f7509f6505267d53dc6353c5c162d61d3cd09cc79753e40c
[INFO] running `"docker" "start" "-a" "9bd6c11eb21b5594f7509f6505267d53dc6353c5c162d61d3cd09cc79753e40c"`
[INFO] [stderr]    Compiling sysinfo v0.5.8
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling stderrlog v0.3.0
[INFO] [stderr]    Compiling tui v0.2.3
[INFO] [stderr]    Compiling rtop v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/rtop/datastreams/diskmonitor.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsU32`, `NetworkExt`, `Pid`, `Process`, `ProcessorExt`, `Processor`
[INFO] [stderr]  --> src/rtop/datastreams/diskmonitor.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::sysinfo::{Pid, Disk, Processor, Process, System, ProcessExt,
[INFO] [stderr]   |                     ^^^        ^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 6 |                     SystemExt, DiskExt, ProcessorExt, NetworkExt, AsU32};
[INFO] [stderr]   |                                         ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BarChart`, `Block`, `Borders`
[INFO] [stderr]  --> src/rtop/ui/renderer/charts.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tui::widgets::{BarChart, Block, Borders, Widget};
[INFO] [stderr]   |                    ^^^^^^^^  ^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Color`, `Modifier`, `Style`
[INFO] [stderr]  --> src/rtop/ui/renderer/charts.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tui::style::{Color, Modifier, Style};
[INFO] [stderr]   |                  ^^^^^  ^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Axis`, `Chart`, `Dataset`, `Marker`
[INFO] [stderr]  --> src/rtop/ui/panels/disks.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tui::widgets::{Axis, Block, BarChart, Borders, Chart, Dataset, Marker, Widget};
[INFO] [stderr]   |                    ^^^^                            ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/rtop/ui/panels/disks.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let gauge_width: u16 = (100 / num_drives);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ProcessExt`
[INFO] [stderr]  --> src/rtop/datastreams/diskmonitor.rs:5:60
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::sysinfo::{Pid, Disk, Processor, Process, System, ProcessExt,
[INFO] [stderr]   |                                                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Widget`
[INFO] [stderr]  --> src/rtop/ui/renderer/charts.rs:7:46
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tui::widgets::{BarChart, Block, Borders, Widget};
[INFO] [stderr]   |                                              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_history_len`
[INFO] [stderr]   --> src/rtop/datastreams/diskmonitor.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     max_history_len: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `system_info`
[INFO] [stderr]   --> src/rtop/datastreams/cpumonitor.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     system_info: System,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_history_len`
[INFO] [stderr]   --> src/rtop/datastreams/networkmonitor.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     max_history_len: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_history_len`
[INFO] [stderr]  --> src/rtop/datastreams/processmonitor.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     max_history_len: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_tab_bar`
[INFO] [stderr]   --> src/rtop/ui/renderer/render.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn render_tab_bar(t: &mut Terminal<MouseBackend>, app: &App, area: &Rect) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `text_panel`
[INFO] [stderr]  --> src/rtop/ui/panels/text.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn text_panel(t: &mut Terminal<MouseBackend>, area: &Rect) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bell`
[INFO] [stderr]  --> src/rtop/cmd.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Bell,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.66s
[INFO] running `"docker" "inspect" "9bd6c11eb21b5594f7509f6505267d53dc6353c5c162d61d3cd09cc79753e40c"`
[INFO] running `"docker" "rm" "-f" "9bd6c11eb21b5594f7509f6505267d53dc6353c5c162d61d3cd09cc79753e40c"`
[INFO] [stdout] 9bd6c11eb21b5594f7509f6505267d53dc6353c5c162d61d3cd09cc79753e40c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rtop/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cb9239c5fb5df987e1db185066bad9de0b46d1f7eaafe74c4c1ef38cfcb3ad6a
[INFO] running `"docker" "start" "-a" "cb9239c5fb5df987e1db185066bad9de0b46d1f7eaafe74c4c1ef38cfcb3ad6a"`
[INFO] [stderr]    Compiling rtop v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/rtop/datastreams/diskmonitor.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsU32`, `NetworkExt`, `Pid`, `Process`, `ProcessorExt`, `Processor`
[INFO] [stderr]  --> src/rtop/datastreams/diskmonitor.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::sysinfo::{Pid, Disk, Processor, Process, System, ProcessExt,
[INFO] [stderr]   |                     ^^^        ^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 6 |                     SystemExt, DiskExt, ProcessorExt, NetworkExt, AsU32};
[INFO] [stderr]   |                                         ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BarChart`, `Block`, `Borders`
[INFO] [stderr]  --> src/rtop/ui/renderer/charts.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tui::widgets::{BarChart, Block, Borders, Widget};
[INFO] [stderr]   |                    ^^^^^^^^  ^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Color`, `Modifier`, `Style`
[INFO] [stderr]  --> src/rtop/ui/renderer/charts.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tui::style::{Color, Modifier, Style};
[INFO] [stderr]   |                  ^^^^^  ^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Axis`, `Chart`, `Dataset`, `Marker`
[INFO] [stderr]  --> src/rtop/ui/panels/disks.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tui::widgets::{Axis, Block, BarChart, Borders, Chart, Dataset, Marker, Widget};
[INFO] [stderr]   |                    ^^^^                            ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/rtop/ui/panels/disks.rs:11:28
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let gauge_width: u16 = (100 / num_drives);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ProcessExt`
[INFO] [stderr]  --> src/rtop/datastreams/diskmonitor.rs:5:60
[INFO] [stderr]   |
[INFO] [stderr] 5 | use self::sysinfo::{Pid, Disk, Processor, Process, System, ProcessExt,
[INFO] [stderr]   |                                                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Widget`
[INFO] [stderr]  --> src/rtop/ui/renderer/charts.rs:7:46
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tui::widgets::{BarChart, Block, Borders, Widget};
[INFO] [stderr]   |                                              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_history_len`
[INFO] [stderr]   --> src/rtop/datastreams/diskmonitor.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     max_history_len: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `system_info`
[INFO] [stderr]   --> src/rtop/datastreams/cpumonitor.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     system_info: System,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_history_len`
[INFO] [stderr]   --> src/rtop/datastreams/networkmonitor.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     max_history_len: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_history_len`
[INFO] [stderr]  --> src/rtop/datastreams/processmonitor.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     max_history_len: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `render_tab_bar`
[INFO] [stderr]   --> src/rtop/ui/renderer/render.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn render_tab_bar(t: &mut Terminal<MouseBackend>, app: &App, area: &Rect) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `text_panel`
[INFO] [stderr]  --> src/rtop/ui/panels/text.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn text_panel(t: &mut Terminal<MouseBackend>, area: &Rect) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bell`
[INFO] [stderr]  --> src/rtop/cmd.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Bell,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "cb9239c5fb5df987e1db185066bad9de0b46d1f7eaafe74c4c1ef38cfcb3ad6a"`
[INFO] running `"docker" "rm" "-f" "cb9239c5fb5df987e1db185066bad9de0b46d1f7eaafe74c4c1ef38cfcb3ad6a"`
[INFO] [stdout] cb9239c5fb5df987e1db185066bad9de0b46d1f7eaafe74c4c1ef38cfcb3ad6a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rtop/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6973dce5058624e38d9ce2fb811d845a058c140e5e4cba6d4189e602fbbb2685
[INFO] running `"docker" "start" "-a" "6973dce5058624e38d9ce2fb811d845a058c140e5e4cba6d4189e602fbbb2685"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rtop-c8530dbae3b4b7ee
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6973dce5058624e38d9ce2fb811d845a058c140e5e4cba6d4189e602fbbb2685"`
[INFO] running `"docker" "rm" "-f" "6973dce5058624e38d9ce2fb811d845a058c140e5e4cba6d4189e602fbbb2685"`
[INFO] [stdout] 6973dce5058624e38d9ce2fb811d845a058c140e5e4cba6d4189e602fbbb2685