[INFO] cloning repository https://github.com/jaguard2021/ZeroMQ-Client-Server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaguard2021/ZeroMQ-Client-Server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaguard2021%2FZeroMQ-Client-Server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaguard2021%2FZeroMQ-Client-Server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 713777b1d493d4eb217b7fb4cb87b2082be0ca66
[INFO] checking jaguard2021/ZeroMQ-Client-Server against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaguard2021%2FZeroMQ-Client-Server" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaguard2021/ZeroMQ-Client-Server 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/jaguard2021/ZeroMQ-Client-Server
[INFO] finished tweaking git repo https://github.com/jaguard2021/ZeroMQ-Client-Server
[INFO] tweaked toml for git repo https://github.com/jaguard2021/ZeroMQ-Client-Server written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaguard2021/ZeroMQ-Client-Server 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmq-sys v0.12.0
[INFO] [stderr]   Downloaded cfg-expr v0.15.6
[INFO] [stderr]   Downloaded dircpy v0.3.15
[INFO] [stderr]   Downloaded zmq v0.10.0
[INFO] [stderr]   Downloaded zeromq-src v0.2.6+4.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] de51bc61f57289f2a65a11c11752f913e39e8767661d07e64620bdc29e0db3c3
[INFO] running `Command { std: "docker" "start" "-a" "de51bc61f57289f2a65a11c11752f913e39e8767661d07e64620bdc29e0db3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de51bc61f57289f2a65a11c11752f913e39e8767661d07e64620bdc29e0db3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de51bc61f57289f2a65a11c11752f913e39e8767661d07e64620bdc29e0db3c3", kill_on_drop: false }`
[INFO] [stdout] de51bc61f57289f2a65a11c11752f913e39e8767661d07e64620bdc29e0db3c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 38952ff6ea8c148a615e817dd834eaa4aacc84825f806248783843716fb542b8
[INFO] running `Command { std: "docker" "start" "-a" "38952ff6ea8c148a615e817dd834eaa4aacc84825f806248783843716fb542b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling winnow v0.5.31
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling zmq v0.10.0
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling cfg-expr v0.15.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling crossbeam-queue v0.3.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling crossbeam v0.8.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]     Checking ctrlc v3.4.2
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.21.0
[INFO] [stderr]    Compiling jwalk v0.8.1
[INFO] [stderr]    Compiling dircpy v0.3.15
[INFO] [stderr]    Compiling zeromq-src v0.2.6+4.3.4
[INFO] [stderr]    Compiling toml v0.8.8
[INFO] [stderr]    Compiling system-deps v6.2.0
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]     Checking ZeroMQ-Client-Server v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ctrlc` is imported redundantly
[INFO] [stdout]  --> src/bin/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ctrlc;
[INFO] [stdout]   |     ^^^^^ the item `ctrlc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ctrlc` is imported redundantly
[INFO] [stdout]  --> src/bin/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ctrlc;
[INFO] [stdout]   |     ^^^^^ the item `ctrlc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ctrlc` is imported redundantly
[INFO] [stdout]  --> src/bin/client.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ctrlc;
[INFO] [stdout]   |     ^^^^^ the item `ctrlc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ctrlc` is imported redundantly
[INFO] [stdout]  --> src/bin/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ctrlc;
[INFO] [stdout]   |     ^^^^^ the item `ctrlc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.34s
[INFO] running `Command { std: "docker" "inspect" "38952ff6ea8c148a615e817dd834eaa4aacc84825f806248783843716fb542b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38952ff6ea8c148a615e817dd834eaa4aacc84825f806248783843716fb542b8", kill_on_drop: false }`
[INFO] [stdout] 38952ff6ea8c148a615e817dd834eaa4aacc84825f806248783843716fb542b8