[INFO] fetching crate kpal-gpio-cdev 0.2.2...
[INFO] checking kpal-gpio-cdev-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate kpal-gpio-cdev 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate kpal-gpio-cdev 0.2.2
[INFO] finished tweaking crates.io crate kpal-gpio-cdev 0.2.2
[INFO] tweaked toml for crates.io crate kpal-gpio-cdev 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kpal-gpio-cdev 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.8)
[INFO] [stderr]       Adding gpio-cdev v0.2.0 (available: v0.6.0)
[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] c401812da233bba1f1a12b0e2acd742668c104d8e074d5cddee16aaf6a970b43
[INFO] running `Command { std: "docker" "start" "-a" "c401812da233bba1f1a12b0e2acd742668c104d8e074d5cddee16aaf6a970b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c401812da233bba1f1a12b0e2acd742668c104d8e074d5cddee16aaf6a970b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c401812da233bba1f1a12b0e2acd742668c104d8e074d5cddee16aaf6a970b43", kill_on_drop: false }`
[INFO] [stdout] c401812da233bba1f1a12b0e2acd742668c104d8e074d5cddee16aaf6a970b43
[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] fde9b2c1d005d9e07377cac2916d3131d0bb07c3ad4266291336881a86e2c930
[INFO] running `Command { std: "docker" "start" "-a" "fde9b2c1d005d9e07377cac2916d3131d0bb07c3ad4266291336881a86e2c930", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking multi-map v1.3.0
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking kpal-plugin v0.2.2
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking gpio-cdev v0.2.0
[INFO] [stderr]     Checking kpal-gpio-cdev v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i32>
[INFO] [stdout]    --> src/lib.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let value = Value::Int(pin_value.try_into()?);
[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<i32, Infallible>
[INFO] [stdout]    --> src/lib.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let value = Value::Int(pin_value.try_into()?);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i32>
[INFO] [stdout]    --> src/lib.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let value = Value::Int(pin_value.try_into()?);
[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<i32, Infallible>
[INFO] [stdout]    --> src/lib.rs:124:28
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let value = Value::Int(pin_value.try_into()?);
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kpal-gpio-cdev` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kpal-gpio-cdev` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fde9b2c1d005d9e07377cac2916d3131d0bb07c3ad4266291336881a86e2c930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde9b2c1d005d9e07377cac2916d3131d0bb07c3ad4266291336881a86e2c930", kill_on_drop: false }`
[INFO] [stdout] fde9b2c1d005d9e07377cac2916d3131d0bb07c3ad4266291336881a86e2c930