[INFO] cloning repository https://github.com/bluejekyll/multicast-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bluejekyll/multicast-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluejekyll%2Fmulticast-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluejekyll%2Fmulticast-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3ef3be23e6cf0a9c30900ef40d14b52ccf93efe
[INFO] checking bluejekyll/multicast-example against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluejekyll%2Fmulticast-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bluejekyll/multicast-example on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bluejekyll/multicast-example
[INFO] finished tweaking git repo https://github.com/bluejekyll/multicast-example
[INFO] tweaked toml for git repo https://github.com/bluejekyll/multicast-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/bluejekyll/multicast-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.3.4
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25a5283b1acb85570b0e4fecf0399a81939cb05d5558985f524bd9c43ce9d814
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25a5283b1acb85570b0e4fecf0399a81939cb05d5558985f524bd9c43ce9d814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a5283b1acb85570b0e4fecf0399a81939cb05d5558985f524bd9c43ce9d814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a5283b1acb85570b0e4fecf0399a81939cb05d5558985f524bd9c43ce9d814", kill_on_drop: false }`
[INFO] [stdout] 25a5283b1acb85570b0e4fecf0399a81939cb05d5558985f524bd9c43ce9d814
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b127cadd5bd9ca303d3a1b948bc6305f5a74fd9bc561ae6bebe1d1339bcd584
[INFO] running `Command { std: "docker" "start" "-a" "8b127cadd5bd9ca303d3a1b948bc6305f5a74fd9bc561ae6bebe1d1339bcd584", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking socket2 v0.3.4
[INFO] [stderr]     Checking multicast-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     pub static ref IPV4: IpAddr = Ipv4Addr::new(224, 0, 0, 123).into();
[INFO] [stdout] 22 | |     pub static ref IPV6: IpAddr = Ipv6Addr::new(0xFF02, 0, 0, 0, 0, 0, 0, 0x0123).into();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     pub static ref IPV4: IpAddr = Ipv4Addr::new(224, 0, 0, 123).into();
[INFO] [stdout] 22 | |     pub static ref IPV6: IpAddr = Ipv6Addr::new(0xFF02, 0, 0, 0, 0, 0, 0, 0x0123).into();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     pub static ref IPV4: IpAddr = Ipv4Addr::new(224, 0, 0, 123).into();
[INFO] [stdout] 22 | |     pub static ref IPV6: IpAddr = Ipv6Addr::new(0xFF02, 0, 0, 0, 0, 0, 0, 0x0123).into();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / lazy_static! {
[INFO] [stdout] 21 | |     pub static ref IPV4: IpAddr = Ipv4Addr::new(224, 0, 0, 123).into();
[INFO] [stdout] 22 | |     pub static ref IPV6: IpAddr = Ipv6Addr::new(0xFF02, 0, 0, 0, 0, 0, 0, 0x0123).into();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "8b127cadd5bd9ca303d3a1b948bc6305f5a74fd9bc561ae6bebe1d1339bcd584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b127cadd5bd9ca303d3a1b948bc6305f5a74fd9bc561ae6bebe1d1339bcd584", kill_on_drop: false }`
[INFO] [stdout] 8b127cadd5bd9ca303d3a1b948bc6305f5a74fd9bc561ae6bebe1d1339bcd584