[INFO] cloning repository https://github.com/testingapisname/horse_races
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/testingapisname/horse_races" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftestingapisname%2Fhorse_races", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftestingapisname%2Fhorse_races'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41caf6f221095f360fe483f79e98f59636010253
[INFO] building testingapisname/horse_races against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftestingapisname%2Fhorse_races" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/testingapisname/horse_races
[INFO] finished tweaking git repo https://github.com/testingapisname/horse_races
[INFO] tweaked toml for git repo https://github.com/testingapisname/horse_races written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/testingapisname/horse_races on toolchain eb171a227f9e5de5d376b6edb56b174bc8235fb3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/testingapisname/horse_races 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" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2a9eb414ecf33f84e4842b46cbaaf4d2dc16ad5a537b59fb89714963e486857
[INFO] running `Command { std: "docker" "start" "-a" "b2a9eb414ecf33f84e4842b46cbaaf4d2dc16ad5a537b59fb89714963e486857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2a9eb414ecf33f84e4842b46cbaaf4d2dc16ad5a537b59fb89714963e486857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a9eb414ecf33f84e4842b46cbaaf4d2dc16ad5a537b59fb89714963e486857", kill_on_drop: false }`
[INFO] [stdout] b2a9eb414ecf33f84e4842b46cbaaf4d2dc16ad5a537b59fb89714963e486857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e6e068657a8903eb2cb23eae11785c8ff22341fb491ba7cb3502851ad05db61
[INFO] running `Command { std: "docker" "start" "-a" "7e6e068657a8903eb2cb23eae11785c8ff22341fb491ba7cb3502851ad05db61", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ed25519-dalek v2.2.0
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling internal-russh-forked-ssh-key v0.6.11+upstream-0.6.7
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling russh-util v0.52.0
[INFO] [stderr]    Compiling russh v0.54.6
[INFO] [stderr]    Compiling horse_races v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `broadcast` is never used
[INFO] [stdout]   --> src/main.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Server {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 85 |     async fn broadcast(&self, msg: &str) {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4, russh v0.54.6
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7e6e068657a8903eb2cb23eae11785c8ff22341fb491ba7cb3502851ad05db61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6e068657a8903eb2cb23eae11785c8ff22341fb491ba7cb3502851ad05db61", kill_on_drop: false }`
[INFO] [stdout] 7e6e068657a8903eb2cb23eae11785c8ff22341fb491ba7cb3502851ad05db61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 149c534c79be732ad0858f7dc7ba49b9a1390581e2657aa0b7ded02f42f514ea
[INFO] running `Command { std: "docker" "start" "-a" "149c534c79be732ad0858f7dc7ba49b9a1390581e2657aa0b7ded02f42f514ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling horse_races v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `broadcast` is never used
[INFO] [stdout]   --> src/main.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl Server {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 85 |     async fn broadcast(&self, msg: &str) {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4, russh v0.54.6
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "149c534c79be732ad0858f7dc7ba49b9a1390581e2657aa0b7ded02f42f514ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149c534c79be732ad0858f7dc7ba49b9a1390581e2657aa0b7ded02f42f514ea", kill_on_drop: false }`
[INFO] [stdout] 149c534c79be732ad0858f7dc7ba49b9a1390581e2657aa0b7ded02f42f514ea