[INFO] cloning repository https://github.com/zyxw59/pingviz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyxw59/pingviz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fpingviz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fpingviz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6d627257bcd366336144d664e8404c10928c9a9
[INFO] building zyxw59/pingviz against try#0179c3cb935eb588d407cb784f436ae84d99db5c for pr-107620-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyxw59%2Fpingviz" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyxw59/pingviz on toolchain 0179c3cb935eb588d407cb784f436ae84d99db5c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zyxw59/pingviz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aca3b641ef8105ae60013154cf283e24c804b49d680c1ac1281b504278e2fa97
[INFO] running `Command { std: "docker" "start" "-a" "aca3b641ef8105ae60013154cf283e24c804b49d680c1ac1281b504278e2fa97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca3b641ef8105ae60013154cf283e24c804b49d680c1ac1281b504278e2fa97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca3b641ef8105ae60013154cf283e24c804b49d680c1ac1281b504278e2fa97", kill_on_drop: false }`
[INFO] [stdout] aca3b641ef8105ae60013154cf283e24c804b49d680c1ac1281b504278e2fa97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64039127b8c122b5455b6eef4095af660853fcbdc141a29db877b4c39fd3b0cb
[INFO] running `Command { std: "docker" "start" "-a" "64039127b8c122b5455b6eef4095af660853fcbdc141a29db877b4c39fd3b0cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling gio v0.3.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling gdk v0.7.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling gtk v0.3.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling log v0.3.9
[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]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling futures-glib v0.3.2
[INFO] [stderr]    Compiling glib v0.4.1
[INFO] [stderr]    Compiling relm-core v0.11.0
[INFO] [stderr]    Compiling relm-state v0.11.0
[INFO] [stderr]    Compiling relm-gen-widget v0.11.0
[INFO] [stderr]    Compiling relm-derive-common v0.11.0
[INFO] [stderr]    Compiling pango v0.3.0
[INFO] [stderr]    Compiling relm-derive v0.11.0
[INFO] [stderr]    Compiling relm v0.11.0
[INFO] [stderr]    Compiling pingviz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `cap` is never used
[INFO] [stdout]    --> src/util.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub fn cap(&self) -> Option<usize> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `start` is never used
[INFO] [stdout]    --> src/util.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn start(&self) -> usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.50s
[INFO] running `Command { std: "docker" "inspect" "64039127b8c122b5455b6eef4095af660853fcbdc141a29db877b4c39fd3b0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64039127b8c122b5455b6eef4095af660853fcbdc141a29db877b4c39fd3b0cb", kill_on_drop: false }`
[INFO] [stdout] 64039127b8c122b5455b6eef4095af660853fcbdc141a29db877b4c39fd3b0cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9090de20f991dd5f5869199409e5e73868d70e7766889bacc7a29a078bbdcce
[INFO] running `Command { std: "docker" "start" "-a" "d9090de20f991dd5f5869199409e5e73868d70e7766889bacc7a29a078bbdcce", kill_on_drop: false }`
[INFO] [stderr]    Compiling pingviz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `cap` is never used
[INFO] [stdout]    --> src/util.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 |     pub fn cap(&self) -> Option<usize> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `start` is never used
[INFO] [stdout]    --> src/util.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout] 230 |     pub fn start(&self) -> usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "d9090de20f991dd5f5869199409e5e73868d70e7766889bacc7a29a078bbdcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9090de20f991dd5f5869199409e5e73868d70e7766889bacc7a29a078bbdcce", kill_on_drop: false }`
[INFO] [stdout] d9090de20f991dd5f5869199409e5e73868d70e7766889bacc7a29a078bbdcce