[INFO] fetching crate mqtt-async-client 0.3.1... [INFO] checking mqtt-async-client-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate mqtt-async-client 0.3.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate mqtt-async-client 0.3.1 [INFO] finished tweaking crates.io crate mqtt-async-client 0.3.1 [INFO] tweaked toml for crates.io crate mqtt-async-client 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mqtt-async-client 0.3.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mqtt-async-client 0.3.1 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f37f4b8b687073076e4f50581c41ab0cccaf072fe8f478b0c0d16a8a4e855be [INFO] running `Command { std: "docker" "start" "-a" "6f37f4b8b687073076e4f50581c41ab0cccaf072fe8f478b0c0d16a8a4e855be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f37f4b8b687073076e4f50581c41ab0cccaf072fe8f478b0c0d16a8a4e855be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f37f4b8b687073076e4f50581c41ab0cccaf072fe8f478b0c0d16a8a4e855be", kill_on_drop: false }` [INFO] [stdout] 6f37f4b8b687073076e4f50581c41ab0cccaf072fe8f478b0c0d16a8a4e855be [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=forbid -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 199ddcdc1b9e067fac8af91c01c8045f29db7b5517d59fcebddd78c5ef7829c4 [INFO] running `Command { std: "docker" "start" "-a" "199ddcdc1b9e067fac8af91c01c8045f29db7b5517d59fcebddd78c5ef7829c4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling tokio v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking tinyvec v1.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking mqttrs v0.2.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking webpki-roots v0.18.0 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking mqtt-async-client v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | / /// Username to authenticate with, optional. [INFO] [stdout] 40 | | #[structopt(long)] [INFO] [stdout] 41 | | username: Option, [INFO] [stdout] | |____________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | / /// Password to authenticate with, optional. [INFO] [stdout] 44 | | #[structopt(long)] [INFO] [stdout] 45 | | password: Option, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | / /// Host to connect to, REQUIRED. [INFO] [stdout] 48 | | #[structopt(long)] [INFO] [stdout] 49 | | url: String, [INFO] [stdout] | |_______________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | / /// Client ID to identify as, optional. [INFO] [stdout] 52 | | #[structopt(long)] [INFO] [stdout] 53 | | client_id: Option, [INFO] [stdout] | |_____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | / /// Enable TLS and set the path to a PEM file containing the [INFO] [stdout] 56 | | /// CA certificate that signs the remote server's certificate. [INFO] [stdout] 57 | | #[structopt(long)] [INFO] [stdout] 58 | | tls_server_ca_file: Option, [INFO] [stdout] | |______________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | / /// Enable TLS and set the path to a PEM file containing the [INFO] [stdout] 66 | | /// client certificate for client authentication. [INFO] [stdout] 67 | | #[structopt(long)] [INFO] [stdout] 68 | | tls_client_crt_file: Option, [INFO] [stdout] | |_______________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | / /// Enable TLS and set the path to a PEM file containing the [INFO] [stdout] 71 | | /// client rsa key for client authentication. [INFO] [stdout] 72 | | #[structopt(long)] [INFO] [stdout] 73 | | tls_client_rsa_key_file: Option, [INFO] [stdout] | |___________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | / #[structopt(long, default_value("true"), possible_values(&["true", "false"]))] [INFO] [stdout] 84 | | auto_connect: String, [INFO] [stdout] | |________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 95 | / /// Topic name to publish to. REQUIRED [INFO] [stdout] 96 | | topic: String, [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | / /// Message payload to publish. REQUIRED. [INFO] [stdout] 99 | | message: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/mqttc.rs:118:5 [INFO] [stdout] | [INFO] [stdout] 118 | / /// Topic names to subscribe to. REQUIRED [INFO] [stdout] 119 | | topic: Vec, [INFO] [stdout] | |______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mqtt-async-client` (example "mqttc") due to 11 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "199ddcdc1b9e067fac8af91c01c8045f29db7b5517d59fcebddd78c5ef7829c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "199ddcdc1b9e067fac8af91c01c8045f29db7b5517d59fcebddd78c5ef7829c4", kill_on_drop: false }` [INFO] [stdout] 199ddcdc1b9e067fac8af91c01c8045f29db7b5517d59fcebddd78c5ef7829c4