[INFO] cloning repository https://github.com/waelkarman/asynchronous-messages-exchanger-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/waelkarman/asynchronous-messages-exchanger-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaelkarman%2Fasynchronous-messages-exchanger-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaelkarman%2Fasynchronous-messages-exchanger-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d93e1700bbbe7936ec74041468f0f9e1b39202d
[INFO] checking waelkarman/asynchronous-messages-exchanger-rust against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaelkarman%2Fasynchronous-messages-exchanger-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/waelkarman/asynchronous-messages-exchanger-rust on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/waelkarman/asynchronous-messages-exchanger-rust
[INFO] finished tweaking git repo https://github.com/waelkarman/asynchronous-messages-exchanger-rust
[INFO] tweaked toml for git repo https://github.com/waelkarman/asynchronous-messages-exchanger-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/waelkarman/asynchronous-messages-exchanger-rust 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74d7ed55b5ad1420e8e71703a18e16b60c7fa2427a82ade5422cd141c81c0194
[INFO] running `Command { std: "docker" "start" "-a" "74d7ed55b5ad1420e8e71703a18e16b60c7fa2427a82ade5422cd141c81c0194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74d7ed55b5ad1420e8e71703a18e16b60c7fa2427a82ade5422cd141c81c0194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d7ed55b5ad1420e8e71703a18e16b60c7fa2427a82ade5422cd141c81c0194", kill_on_drop: false }`
[INFO] [stdout] 74d7ed55b5ad1420e8e71703a18e16b60c7fa2427a82ade5422cd141c81c0194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0c45acff9a46b84c363f2dd317892912c326a8ee83954e77123eae640b37308
[INFO] running `Command { std: "docker" "start" "-a" "d0c45acff9a46b84c363f2dd317892912c326a8ee83954e77123eae640b37308", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking asynchronous_messages_exchanger_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `msg_t`
[INFO] [stdout]    --> src/bin/udp_server.rs:299:31
[INFO] [stdout]     |
[INFO] [stdout] 299 |                     let (seq, msg_t, msg) = msg_pack::msg_unpack(String::from(gen_msg.clone()));
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asynchronous_messages_exchanger_rust` (bin "udp_server"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/bin/rustc --crate-name udp_server --edition=2021 src/bin/udp_server.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=3f977f5174fb74bf -C extra-filename=-325f9e3638de946d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern asynchronous_messages_exchanger_rust=/opt/rustwide/target/debug/deps/libasynchronous_messages_exchanger_rust-37fcb97beee39dd3.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-f698aa409c34a1ea.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `msg_t`
[INFO] [stdout]    --> src/bin/udp_client.rs:289:31
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     let (seq, msg_t, msg) = msg_pack::msg_unpack(String::from(gen_msg.clone()));
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg_t`
[INFO] [stdout]    --> src/bin/udp_server.rs:299:31
[INFO] [stdout]     |
[INFO] [stdout] 299 |                     let (seq, msg_t, msg) = msg_pack::msg_unpack(String::from(gen_msg.clone()));
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asynchronous_messages_exchanger_rust` (bin "udp_server" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/bin/rustc --crate-name udp_server --edition=2021 src/bin/udp_server.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=7a3563f97fb5be10 -C extra-filename=-f6cc3ce6248ed2ed --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern asynchronous_messages_exchanger_rust=/opt/rustwide/target/debug/deps/libasynchronous_messages_exchanger_rust-37fcb97beee39dd3.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-f698aa409c34a1ea.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] error: could not compile `asynchronous_messages_exchanger_rust` (bin "udp_client"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/bin/rustc --crate-name udp_client --edition=2021 src/bin/udp_client.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=67a464bfb0273c58 -C extra-filename=-77517d40aa10739a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern asynchronous_messages_exchanger_rust=/opt/rustwide/target/debug/deps/libasynchronous_messages_exchanger_rust-37fcb97beee39dd3.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-f698aa409c34a1ea.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] [stdout] warning: unused variable: `msg_t`
[INFO] [stdout]    --> src/bin/udp_client.rs:289:31
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     let (seq, msg_t, msg) = msg_pack::msg_unpack(String::from(gen_msg.clone()));
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_msg_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asynchronous_messages_exchanger_rust` (bin "udp_client" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/bin/rustc --crate-name udp_client --edition=2021 src/bin/udp_client.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=43d2d3c80303acc4 -C extra-filename=-513179944ef13632 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern asynchronous_messages_exchanger_rust=/opt/rustwide/target/debug/deps/libasynchronous_messages_exchanger_rust-37fcb97beee39dd3.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-f698aa409c34a1ea.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d0c45acff9a46b84c363f2dd317892912c326a8ee83954e77123eae640b37308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c45acff9a46b84c363f2dd317892912c326a8ee83954e77123eae640b37308", kill_on_drop: false }`
[INFO] [stdout] d0c45acff9a46b84c363f2dd317892912c326a8ee83954e77123eae640b37308