[INFO] fetching crate kea-hal 0.5.0...
[INFO] checking kea-hal-0.5.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate kea-hal 0.5.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate kea-hal 0.5.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kea-hal 0.5.0
[INFO] finished tweaking crates.io crate kea-hal 0.5.0
[INFO] tweaked toml for crates.io crate kea-hal 0.5.0 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.4
[INFO] [stderr]   Downloaded embedded-time v0.12.0
[INFO] [stderr]   Downloaded SKEAZN642 v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2878def741f278e81faf9f989fd6b87d406cd0666c0e075f11a529deda7f3f1
[INFO] running `Command { std: "docker" "start" "-a" "c2878def741f278e81faf9f989fd6b87d406cd0666c0e075f11a529deda7f3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2878def741f278e81faf9f989fd6b87d406cd0666c0e075f11a529deda7f3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2878def741f278e81faf9f989fd6b87d406cd0666c0e075f11a529deda7f3f1", kill_on_drop: false }`
[INFO] [stdout] c2878def741f278e81faf9f989fd6b87d406cd0666c0e075f11a529deda7f3f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e03e6ad6b6b9482136d0faa396c841bb5b49de0d0b88371c8e267236a2dceb18
[INFO] running `Command { std: "docker" "start" "-a" "e03e6ad6b6b9482136d0faa396c841bb5b49de0d0b88371c8e267236a2dceb18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling SKEAZN642 v0.2.1
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.4
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.0
[INFO] [stderr]     Checking kea-hal v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |             &(*ICS::ptr()).c2.modify(|_, w| w.lp()._0());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 292 |             let _ = &(*ICS::ptr()).c2.modify(|_, w| w.lp()._0());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |             &(*ICS::ptr()).c1.modify(|_, w| w.clks()._01());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let _ = &(*ICS::ptr()).c1.modify(|_, w| w.clks()._01());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |             &(*ICS::ptr()).c1.modify(|_, w| w.clks()._10());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 369 |             let _ = &(*ICS::ptr()).c1.modify(|_, w| w.clks()._10());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:388:13
[INFO] [stdout]     |
[INFO] [stdout] 388 |             &(*ICS::ptr()).c2.modify(|_, w| w.lp()._1());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 388 |             let _ = &(*ICS::ptr()).c2.modify(|_, w| w.lp()._1());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 |             &(*ICS::ptr()).c1.modify(|_, w| w.rdiv().bits(div));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let _ = &(*ICS::ptr()).c1.modify(|_, w| w.rdiv().bits(div));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |             &(*ICS::ptr()).c2.modify(|_, w| w.bdiv().bits(div));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 458 |             let _ = &(*ICS::ptr()).c2.modify(|_, w| w.bdiv().bits(div));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |             &(*ICS::ptr()).c2.modify(|_, w| w.lp()._0());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 292 |             let _ = &(*ICS::ptr()).c2.modify(|_, w| w.lp()._0());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |             &(*ICS::ptr()).c1.modify(|_, w| w.clks()._01());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let _ = &(*ICS::ptr()).c1.modify(|_, w| w.clks()._01());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |             &(*ICS::ptr()).c1.modify(|_, w| w.clks()._10());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 369 |             let _ = &(*ICS::ptr()).c1.modify(|_, w| w.clks()._10());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:388:13
[INFO] [stdout]     |
[INFO] [stdout] 388 |             &(*ICS::ptr()).c2.modify(|_, w| w.lp()._1());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 388 |             let _ = &(*ICS::ptr()).c2.modify(|_, w| w.lp()._1());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 |             &(*ICS::ptr()).c1.modify(|_, w| w.rdiv().bits(div));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let _ = &(*ICS::ptr()).c1.modify(|_, w| w.rdiv().bits(div));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/clocks/ics.rs:458:13
[INFO] [stdout]     |
[INFO] [stdout] 458 |             &(*ICS::ptr()).c2.modify(|_, w| w.bdiv().bits(div));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 458 |             let _ = &(*ICS::ptr()).c2.modify(|_, w| w.bdiv().bits(div));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.48s
[INFO] running `Command { std: "docker" "inspect" "e03e6ad6b6b9482136d0faa396c841bb5b49de0d0b88371c8e267236a2dceb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03e6ad6b6b9482136d0faa396c841bb5b49de0d0b88371c8e267236a2dceb18", kill_on_drop: false }`
[INFO] [stdout] e03e6ad6b6b9482136d0faa396c841bb5b49de0d0b88371c8e267236a2dceb18