[INFO] updating cached repository https://github.com/zyxw59/pingviz
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b0858ba6c44ece45703a53fe8617d933ea3914f1
[INFO] checking zyxw59/pingviz against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fpingviz" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyxw59/pingviz on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zyxw59/pingviz
[INFO] finished tweaking git repo https://github.com/zyxw59/pingviz
[INFO] tweaked toml for git repo https://github.com/zyxw59/pingviz written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/zyxw59/pingviz already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c98aa46e92773f65da8b91e2c9f75ed8b8881f69ab09f39c2df2605705d07f1c
[INFO] running `"docker" "start" "-a" "c98aa46e92773f65da8b91e2c9f75ed8b8881f69ab09f39c2df2605705d07f1c"`
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling pango-sys v0.5.0
[INFO] [stderr]    Compiling gdk-sys v0.5.0
[INFO] [stderr]    Compiling atk-sys v0.5.0
[INFO] [stderr]    Compiling gtk-sys v0.5.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling gio v0.3.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling gdk v0.7.0
[INFO] [stderr]    Compiling gtk v0.3.0
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking futures-glib v0.3.2
[INFO] [stderr]     Checking relm-core v0.11.0
[INFO] [stderr]     Checking relm-state v0.11.0
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]     Checking pango v0.3.0
[INFO] [stderr]     Checking relm v0.11.0
[INFO] [stderr]     Checking pingviz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/stdin.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn stdin() -> Box<Stream<Item=String, Error=io::Error> + Send + 'static> {
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item=String, Error=io::Error> + Send + 'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/stdin.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn stdin() -> Box<Stream<Item=String, Error=io::Error> + Send + 'static> {
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item=String, Error=io::Error> + Send + 'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]    --> src/util.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn clear(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cap`
[INFO] [stderr]    --> src/util.rs:210:5
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub fn cap(&self) -> Option<usize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]    --> src/util.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     pub fn start(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/view.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mean`
[INFO] [stderr]    --> src/view.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn mean(&self) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `var`
[INFO] [stderr]    --> src/view.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn var(&self) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `std`
[INFO] [stderr]    --> src/view.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn std(&self) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]    --> src/util.rs:204:5
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn clear(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cap`
[INFO] [stderr]    --> src/util.rs:210:5
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub fn cap(&self) -> Option<usize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]    --> src/util.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     pub fn start(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/view.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mean`
[INFO] [stderr]    --> src/view.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn mean(&self) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `var`
[INFO] [stderr]    --> src/view.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn var(&self) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `std`
[INFO] [stderr]    --> src/view.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn std(&self) -> f64 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "c98aa46e92773f65da8b91e2c9f75ed8b8881f69ab09f39c2df2605705d07f1c"`
[INFO] running `"docker" "rm" "-f" "c98aa46e92773f65da8b91e2c9f75ed8b8881f69ab09f39c2df2605705d07f1c"`
[INFO] [stdout] c98aa46e92773f65da8b91e2c9f75ed8b8881f69ab09f39c2df2605705d07f1c