[INFO] fetching crate embedded-hdc1080-rs 0.1.0...
[INFO] testing embedded-hdc1080-rs-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate embedded-hdc1080-rs 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate embedded-hdc1080-rs 0.1.0
[INFO] finished tweaking crates.io crate embedded-hdc1080-rs 0.1.0
[INFO] tweaked toml for crates.io crate embedded-hdc1080-rs 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate embedded-hdc1080-rs 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 763e5ac691d63a15422289413593477bccb6a3d0c026b0f7b95eed5e292af186
[INFO] running `Command { std: "docker" "start" "-a" "763e5ac691d63a15422289413593477bccb6a3d0c026b0f7b95eed5e292af186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763e5ac691d63a15422289413593477bccb6a3d0c026b0f7b95eed5e292af186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763e5ac691d63a15422289413593477bccb6a3d0c026b0f7b95eed5e292af186", kill_on_drop: false }`
[INFO] [stdout] 763e5ac691d63a15422289413593477bccb6a3d0c026b0f7b95eed5e292af186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9a1154f289872b3c3d797ac4fdd5cc14b28884e5647eb3a30c19145b848ec48
[INFO] running `Command { std: "docker" "start" "-a" "e9a1154f289872b3c3d797ac4fdd5cc14b28884e5647eb3a30c19145b848ec48", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-hdc1080-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/lib.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let result = self.i2c.write_read(I2C_ADDRESS, &[Register::CONFIGURATION], &mut current_config).unwrap_or_default();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `HEAT` is never used
[INFO] [stdout]   --> src/lib.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl ConfigBitFlags {
[INFO] [stdout]    | ------------------- associated constant in this implementation
[INFO] [stdout] 62 |     const RST: u16 = 0b1000_0000_0000_0000;
[INFO] [stdout] 63 |     const HEAT: u16 = 0b0010_0000_0000_0000;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "e9a1154f289872b3c3d797ac4fdd5cc14b28884e5647eb3a30c19145b848ec48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a1154f289872b3c3d797ac4fdd5cc14b28884e5647eb3a30c19145b848ec48", kill_on_drop: false }`
[INFO] [stdout] e9a1154f289872b3c3d797ac4fdd5cc14b28884e5647eb3a30c19145b848ec48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4924f9fed8797f4ad1faffaa08dc2b6e59349e08426ad20dc4d25a886655ab1
[INFO] running `Command { std: "docker" "start" "-a" "c4924f9fed8797f4ad1faffaa08dc2b6e59349e08426ad20dc4d25a886655ab1", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/lib.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let result = self.i2c.write_read(I2C_ADDRESS, &[Register::CONFIGURATION], &mut current_config).unwrap_or_default();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `HEAT` is never used
[INFO] [stdout]   --> src/lib.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl ConfigBitFlags {
[INFO] [stdout]    | ------------------- associated constant in this implementation
[INFO] [stdout] 62 |     const RST: u16 = 0b1000_0000_0000_0000;
[INFO] [stdout] 63 |     const HEAT: u16 = 0b0010_0000_0000_0000;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling embedded-hdc1080-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/lib.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let result = self.i2c.write_read(I2C_ADDRESS, &[Register::CONFIGURATION], &mut current_config).unwrap_or_default();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `HEAT` is never used
[INFO] [stdout]   --> src/lib.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl ConfigBitFlags {
[INFO] [stdout]    | ------------------- associated constant in this implementation
[INFO] [stdout] 62 |     const RST: u16 = 0b1000_0000_0000_0000;
[INFO] [stdout] 63 |     const HEAT: u16 = 0b0010_0000_0000_0000;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c4924f9fed8797f4ad1faffaa08dc2b6e59349e08426ad20dc4d25a886655ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4924f9fed8797f4ad1faffaa08dc2b6e59349e08426ad20dc4d25a886655ab1", kill_on_drop: false }`
[INFO] [stdout] c4924f9fed8797f4ad1faffaa08dc2b6e59349e08426ad20dc4d25a886655ab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51df83118806eed94bbf0f23d129665de97805b0145ec35ca9f8bd2bbab1facb
[INFO] running `Command { std: "docker" "start" "-a" "51df83118806eed94bbf0f23d129665de97805b0145ec35ca9f8bd2bbab1facb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/lib.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let result = self.i2c.write_read(I2C_ADDRESS, &[Register::CONFIGURATION], &mut current_config).unwrap_or_default();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `HEAT` is never used
[INFO] [stderr]   --> src/lib.rs:63:11
[INFO] [stderr]    |
[INFO] [stderr] 61 | impl ConfigBitFlags {
[INFO] [stderr]    | ------------------- associated constant in this implementation
[INFO] [stderr] 62 |     const RST: u16 = 0b1000_0000_0000_0000;
[INFO] [stderr] 63 |     const HEAT: u16 = 0b0010_0000_0000_0000;
[INFO] [stderr]    |           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `embedded-hdc1080-rs` (lib) generated 2 warnings (run `cargo fix --lib -p embedded-hdc1080-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `embedded-hdc1080-rs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/embedded_hdc1080_rs-41a0ecbf42bf7ac2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests embedded_hdc1080_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51df83118806eed94bbf0f23d129665de97805b0145ec35ca9f8bd2bbab1facb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51df83118806eed94bbf0f23d129665de97805b0145ec35ca9f8bd2bbab1facb", kill_on_drop: false }`
[INFO] [stdout] 51df83118806eed94bbf0f23d129665de97805b0145ec35ca9f8bd2bbab1facb