[INFO] cloning repository https://github.com/scristobal/tcp-broadcast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scristobal/tcp-broadcast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscristobal%2Ftcp-broadcast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscristobal%2Ftcp-broadcast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a08b74766ac6c68a5038c5c79db7e97d4811fc0
[INFO] checking scristobal/tcp-broadcast against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscristobal%2Ftcp-broadcast" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scristobal/tcp-broadcast on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scristobal/tcp-broadcast
[INFO] finished tweaking git repo https://github.com/scristobal/tcp-broadcast
[INFO] tweaked toml for git repo https://github.com/scristobal/tcp-broadcast written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scristobal/tcp-broadcast 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48c635cc48d21c5ab8df6b5eb1453cf2c2f249f1eaed67e8d0505333b7537227
[INFO] running `Command { std: "docker" "start" "-a" "48c635cc48d21c5ab8df6b5eb1453cf2c2f249f1eaed67e8d0505333b7537227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48c635cc48d21c5ab8df6b5eb1453cf2c2f249f1eaed67e8d0505333b7537227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c635cc48d21c5ab8df6b5eb1453cf2c2f249f1eaed67e8d0505333b7537227", kill_on_drop: false }`
[INFO] [stdout] 48c635cc48d21c5ab8df6b5eb1453cf2c2f249f1eaed67e8d0505333b7537227
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0cd48b15d97b7b0b4acc1c2ebb076dac81e506f9da15337bde67ad9912a80a8
[INFO] running `Command { std: "docker" "start" "-a" "b0cd48b15d97b7b0b4acc1c2ebb076dac81e506f9da15337bde67ad9912a80a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking env_logger v0.11.2
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling test-log-macros v0.2.15
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking test-log v0.2.15
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking udp-tcp-spmc-broadcast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsyncReadExt` is imported redundantly
[INFO] [stdout]   --> src/test.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `AsyncReadExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWriteExt` is imported redundantly
[INFO] [stdout]   --> src/test.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `AsyncWriteExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.30s
[INFO] running `Command { std: "docker" "inspect" "b0cd48b15d97b7b0b4acc1c2ebb076dac81e506f9da15337bde67ad9912a80a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cd48b15d97b7b0b4acc1c2ebb076dac81e506f9da15337bde67ad9912a80a8", kill_on_drop: false }`
[INFO] [stdout] b0cd48b15d97b7b0b4acc1c2ebb076dac81e506f9da15337bde67ad9912a80a8
[INFO] checking scristobal/tcp-broadcast against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscristobal%2Ftcp-broadcast" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scristobal/tcp-broadcast on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scristobal/tcp-broadcast
[INFO] finished tweaking git repo https://github.com/scristobal/tcp-broadcast
[INFO] tweaked toml for git repo https://github.com/scristobal/tcp-broadcast written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/scristobal/tcp-broadcast 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f33f7d0006fe794a0ddab27dc46e70f9f63f7de854052fc1deddc5a6f185ade5
[INFO] running `Command { std: "docker" "start" "-a" "f33f7d0006fe794a0ddab27dc46e70f9f63f7de854052fc1deddc5a6f185ade5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f33f7d0006fe794a0ddab27dc46e70f9f63f7de854052fc1deddc5a6f185ade5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33f7d0006fe794a0ddab27dc46e70f9f63f7de854052fc1deddc5a6f185ade5", kill_on_drop: false }`
[INFO] [stdout] f33f7d0006fe794a0ddab27dc46e70f9f63f7de854052fc1deddc5a6f185ade5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa7253f23f50932550c6c42f85d67add9328c86d2ac5fef06245d4e443b376e
[INFO] running `Command { std: "docker" "start" "-a" "cfa7253f23f50932550c6c42f85d67add9328c86d2ac5fef06245d4e443b376e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking env_logger v0.11.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling test-log-macros v0.2.15
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking test-log v0.2.15
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking udp-tcp-spmc-broadcast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsyncReadExt` is imported redundantly
[INFO] [stdout]   --> src/test.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `AsyncReadExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWriteExt` is imported redundantly
[INFO] [stdout]   --> src/test.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 1  | use super::*;
[INFO] [stdout]    |     -------- the item `AsyncWriteExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.07s
[INFO] running `Command { std: "docker" "inspect" "cfa7253f23f50932550c6c42f85d67add9328c86d2ac5fef06245d4e443b376e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa7253f23f50932550c6c42f85d67add9328c86d2ac5fef06245d4e443b376e", kill_on_drop: false }`
[INFO] [stdout] cfa7253f23f50932550c6c42f85d67add9328c86d2ac5fef06245d4e443b376e