[INFO] fetching crate fundamentum-sdk-mqtt 0.15.0...
[INFO] checking fundamentum-sdk-mqtt-0.15.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fundamentum-sdk-mqtt 0.15.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fundamentum-sdk-mqtt 0.15.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fundamentum-sdk-mqtt 0.15.0
[INFO] tweaked toml for crates.io crate fundamentum-sdk-mqtt 0.15.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fundamentum-sdk-mqtt 0.15.0 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 fundamentum-sdk-mqtt 0.15.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 22e8819a0200ea59f6bad28b675c8ab3ad0a5e1699fc6d52fdf08b7103226118
[INFO] running `Command { std: "docker" "start" "-a" "22e8819a0200ea59f6bad28b675c8ab3ad0a5e1699fc6d52fdf08b7103226118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22e8819a0200ea59f6bad28b675c8ab3ad0a5e1699fc6d52fdf08b7103226118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e8819a0200ea59f6bad28b675c8ab3ad0a5e1699fc6d52fdf08b7103226118", kill_on_drop: false }`
[INFO] [stdout] 22e8819a0200ea59f6bad28b675c8ab3ad0a5e1699fc6d52fdf08b7103226118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 67d49f8de5c382b3350e0053de389728e15d2bfe2e9ff660ed12eb81d36080d2
[INFO] running `Command { std: "docker" "start" "-a" "67d49f8de5c382b3350e0053de389728e15d2bfe2e9ff660ed12eb81d36080d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.38
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[INFO] [stderr]    Compiling displaydoc v0.2.5
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[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]    Compiling serde_derive v1.0.226
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[INFO] [stderr]    Compiling async-trait v0.1.89
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[INFO] [stderr]     Checking jsonwebtoken v8.3.0
[INFO] [stderr]    Compiling fundamentum-iot-mqtt-proto v0.3.0
[INFO] [stderr]     Checking icu_properties v2.0.1
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[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking rumqttc v0.25.0
[INFO] [stderr]     Checking fundamentum-sdk-mqtt v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/config.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     private_key: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> examples/config.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     serial: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/config.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     endpoint: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/commands.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     private_key: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> examples/commands.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     serial: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/commands.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     endpoint: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fundamentum-sdk-mqtt` (example "config") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/heartbeat.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     private_key: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> examples/heartbeat.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     serial: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/heartbeat.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     endpoint: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fundamentum-sdk-mqtt` (example "commands") due to 3 previous errors
[INFO] [stderr] error: could not compile `fundamentum-sdk-mqtt` (example "heartbeat") due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/pubsub.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     private_key: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> examples/pubsub.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     serial: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/pubsub.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     endpoint: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fundamentum-sdk-mqtt` (example "pubsub") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "67d49f8de5c382b3350e0053de389728e15d2bfe2e9ff660ed12eb81d36080d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d49f8de5c382b3350e0053de389728e15d2bfe2e9ff660ed12eb81d36080d2", kill_on_drop: false }`
[INFO] [stdout] 67d49f8de5c382b3350e0053de389728e15d2bfe2e9ff660ed12eb81d36080d2
