[INFO] cloning repository https://github.com/henninglive/tokio-udp-multicast-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/henninglive/tokio-udp-multicast-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenninglive%2Ftokio-udp-multicast-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenninglive%2Ftokio-udp-multicast-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7d3e3059ee072c94eaab9d6185f9a53407cbace
[INFO] checking henninglive/tokio-udp-multicast-chat against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenninglive%2Ftokio-udp-multicast-chat" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/henninglive/tokio-udp-multicast-chat on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/henninglive/tokio-udp-multicast-chat
[INFO] finished tweaking git repo https://github.com/henninglive/tokio-udp-multicast-chat
[INFO] tweaked toml for git repo https://github.com/henninglive/tokio-udp-multicast-chat written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/henninglive/tokio-udp-multicast-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded syn v1.0.27
[INFO] [stderr]   Downloaded arc-swap v0.4.6
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded winapi v0.3.8
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.6
[INFO] [stderr]   Downloaded mio v0.6.22
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded futures-core v0.3.5
[INFO] [stderr]   Downloaded socket2 v0.3.4
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.5
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded miow v0.3.4
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded bytes v0.5.4
[INFO] [stderr]   Downloaded atty v0.2.8
[INFO] [stderr]   Downloaded miow v0.2.1
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded pin-project-lite v0.1.5
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded tokio v0.2.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c5661dfe02618447cacd8ace515cf74fda514d11513e80d39c29e3b014a8f5
[INFO] running `Command { std: "docker" "start" "-a" "71c5661dfe02618447cacd8ace515cf74fda514d11513e80d39c29e3b014a8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c5661dfe02618447cacd8ace515cf74fda514d11513e80d39c29e3b014a8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c5661dfe02618447cacd8ace515cf74fda514d11513e80d39c29e3b014a8f5", kill_on_drop: false }`
[INFO] [stdout] 71c5661dfe02618447cacd8ace515cf74fda514d11513e80d39c29e3b014a8f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf371957cb3540be289130f2aabe6cbba9c67218ab896097984a9cfeb335c361
[INFO] running `Command { std: "docker" "start" "-a" "bf371957cb3540be289130f2aabe6cbba9c67218ab896097984a9cfeb335c361", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking socket2 v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking tokio-udp-multicast-chat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.38s
[INFO] running `Command { std: "docker" "inspect" "bf371957cb3540be289130f2aabe6cbba9c67218ab896097984a9cfeb335c361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf371957cb3540be289130f2aabe6cbba9c67218ab896097984a9cfeb335c361", kill_on_drop: false }`
[INFO] [stdout] bf371957cb3540be289130f2aabe6cbba9c67218ab896097984a9cfeb335c361