[INFO] cloning repository https://github.com/GabrielVasconcellos/inf1406-trab4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabrielVasconcellos/inf1406-trab4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielVasconcellos%2Finf1406-trab4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielVasconcellos%2Finf1406-trab4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a86cee7345c8648f4f0d1d54d8d98119714c5075
[INFO] testing GabrielVasconcellos/inf1406-trab4 against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabrielVasconcellos%2Finf1406-trab4" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GabrielVasconcellos/inf1406-trab4 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GabrielVasconcellos/inf1406-trab4
[INFO] finished tweaking git repo https://github.com/GabrielVasconcellos/inf1406-trab4
[INFO] tweaked toml for git repo https://github.com/GabrielVasconcellos/inf1406-trab4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/GabrielVasconcellos/inf1406-trab4 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mosquitto-client v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00d4c6c42ec6110048682ab7ec7e600feef02e3f9bf712b7f2469f799ad78eaf
[INFO] running `Command { std: "docker" "start" "-a" "00d4c6c42ec6110048682ab7ec7e600feef02e3f9bf712b7f2469f799ad78eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00d4c6c42ec6110048682ab7ec7e600feef02e3f9bf712b7f2469f799ad78eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d4c6c42ec6110048682ab7ec7e600feef02e3f9bf712b7f2469f799ad78eaf", kill_on_drop: false }`
[INFO] [stdout] 00d4c6c42ec6110048682ab7ec7e600feef02e3f9bf712b7f2469f799ad78eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c6e4cba581f95db906f3029ca74d26eee04a0fa9a09e11b8e8c492927d59b5e
[INFO] running `Command { std: "docker" "start" "-a" "7c6e4cba581f95db906f3029ca74d26eee04a0fa9a09e11b8e8c492927d59b5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling mosquitto-client v0.1.5
[INFO] [stderr]    Compiling trab4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     m.connect("localhost", 1883);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _ = m.connect("localhost", 1883);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     m.subscribe(topic, 1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = m.subscribe(topic, 1);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             m.publish("inf1406-reqs", req.to_string().as_bytes(), 1, false);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |             let _ = m.publish("inf1406-reqs", req.to_string().as_bytes(), 1, false);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     m.loop_until_disconnect(200);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _ = m.loop_until_disconnect(200);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcqbgoYX/symbols.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.trab4.466a4d48-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81.1niodzam494eg7b9.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libserde_json-de391672e49701ff.rlib" "/opt/rustwide/target/debug/deps/libryu-1f87c9e09d988964.rlib" "/opt/rustwide/target/debug/deps/libitoa-215e7daa7cb51b46.rlib" "/opt/rustwide/target/debug/deps/libserde-f4aaeb018d111a78.rlib" "/opt/rustwide/target/debug/deps/libmosquitto_client-cdf8449da31f7524.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0e29cc23c5e02021.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d903621768a861d9.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6d0225e655f31c13.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-9dbaf4eac7eaa079.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-27f05b3d42a66dd0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-4d73f1030321c9a2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2846c9e58abd0acb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a53d0f50415947be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d48e4b6abc25b9dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-2991859439ef1207.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-8a687517e4221bae.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-e07b554f6a67f5b3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b68238b7c3c619dd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d5e213e896c017e4.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0211a3b2e61d8689.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b371f055239ba51f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-e60518d2760eb01e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1ad943f92a4b1081.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f0d6e4d0fc1e80b4.rlib" "-Wl,-Bdynamic" "-lmosquitto" "-lc" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/trab4-0f504bf95477ba81" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lmosquitto: No such file or directory
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trab4` (bin "trab4") due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7c6e4cba581f95db906f3029ca74d26eee04a0fa9a09e11b8e8c492927d59b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6e4cba581f95db906f3029ca74d26eee04a0fa9a09e11b8e8c492927d59b5e", kill_on_drop: false }`
[INFO] [stdout] 7c6e4cba581f95db906f3029ca74d26eee04a0fa9a09e11b8e8c492927d59b5e
