[INFO] cloning repository https://github.com/qx-oo/ping_list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qx-oo/ping_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqx-oo%2Fping_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqx-oo%2Fping_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24632ca21800be2aa03df9f0518eb9590bda1ef2
[INFO] testing qx-oo/ping_list against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqx-oo%2Fping_list" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qx-oo/ping_list
[INFO] finished tweaking git repo https://github.com/qx-oo/ping_list
[INFO] tweaked toml for git repo https://github.com/qx-oo/ping_list written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qx-oo/ping_list on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qx-oo/ping_list 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded syn v0.15.40
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded ucd-util v0.1.5
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded serde v1.0.97
[INFO] [stderr]   Downloaded regex v1.2.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8c578c3b118a3e4106260731b65aea3cd1ccf927783af0a1abbc8263addeb2e
[INFO] running `Command { std: "docker" "start" "-a" "d8c578c3b118a3e4106260731b65aea3cd1ccf927783af0a1abbc8263addeb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c578c3b118a3e4106260731b65aea3cd1ccf927783af0a1abbc8263addeb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c578c3b118a3e4106260731b65aea3cd1ccf927783af0a1abbc8263addeb2e", kill_on_drop: false }`
[INFO] [stdout] d8c578c3b118a3e4106260731b65aea3cd1ccf927783af0a1abbc8263addeb2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 293491eeee2d9cc0c98a6d8c490a083ce77a7e694b854d34b09f4111324179da
[INFO] running `Command { std: "docker" "start" "-a" "293491eeee2d9cc0c98a6d8c490a083ce77a7e694b854d34b09f4111324179da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling ping_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/ping.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     static ref PING_REGEX: Regex = { Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() };
[INFO] [stdout]    |                                    ^^                                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     static ref PING_REGEX: Regex = { Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() };
[INFO] [stdout] 13 +     static ref PING_REGEX: Regex = Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.83s
[INFO] running `Command { std: "docker" "inspect" "293491eeee2d9cc0c98a6d8c490a083ce77a7e694b854d34b09f4111324179da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293491eeee2d9cc0c98a6d8c490a083ce77a7e694b854d34b09f4111324179da", kill_on_drop: false }`
[INFO] [stdout] 293491eeee2d9cc0c98a6d8c490a083ce77a7e694b854d34b09f4111324179da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dc4bcf8575afe17721b909dd17df8cb4235ce8b6bca1bf6a5bf97bc728237d0
[INFO] running `Command { std: "docker" "start" "-a" "6dc4bcf8575afe17721b909dd17df8cb4235ce8b6bca1bf6a5bf97bc728237d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ping_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/ping.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     static ref PING_REGEX: Regex = { Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() };
[INFO] [stdout]    |                                    ^^                                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     static ref PING_REGEX: Regex = { Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() };
[INFO] [stdout] 13 +     static ref PING_REGEX: Regex = Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/ping.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |     static ref PING_REGEX: Regex = { Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() };
[INFO] [stdout]    |                                    ^^                                                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     static ref PING_REGEX: Regex = { Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() };
[INFO] [stdout] 13 +     static ref PING_REGEX: Regex = Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "6dc4bcf8575afe17721b909dd17df8cb4235ce8b6bca1bf6a5bf97bc728237d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc4bcf8575afe17721b909dd17df8cb4235ce8b6bca1bf6a5bf97bc728237d0", kill_on_drop: false }`
[INFO] [stdout] 6dc4bcf8575afe17721b909dd17df8cb4235ce8b6bca1bf6a5bf97bc728237d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85509dd6079dc5505f881bee62968489c15d6311a30b017e05b5bba86e118b44
[INFO] running `Command { std: "docker" "start" "-a" "85509dd6079dc5505f881bee62968489c15d6311a30b017e05b5bba86e118b44", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/ping.rs:13:36
[INFO] [stderr]    |
[INFO] [stderr] 13 |     static ref PING_REGEX: Regex = { Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() };
[INFO] [stderr]    |                                    ^^                                                            ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 13 -     static ref PING_REGEX: Regex = { Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() };
[INFO] [stderr] 13 +     static ref PING_REGEX: Regex = Regex::new(r"\d{2} bytes from.*time=(?P<ts>.*) ms").unwrap() ;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `ping_list` (lib) generated 1 warning (run `cargo fix --lib -p ping_list` to apply 1 suggestion)
[INFO] [stderr] warning: `ping_list` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ping_list-ba2788774bce569a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/ping_list-ba2788774bce569a` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "85509dd6079dc5505f881bee62968489c15d6311a30b017e05b5bba86e118b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85509dd6079dc5505f881bee62968489c15d6311a30b017e05b5bba86e118b44", kill_on_drop: false }`
[INFO] [stdout] 85509dd6079dc5505f881bee62968489c15d6311a30b017e05b5bba86e118b44
