[INFO] fetching crate st7032i 0.0.4... [INFO] testing st7032i-0.0.4 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate st7032i 0.0.4 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate st7032i 0.0.4 [INFO] finished tweaking crates.io crate st7032i 0.0.4 [INFO] tweaked toml for crates.io crate st7032i 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate st7032i 0.0.4 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 24 packages to latest compatible versions [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding linux-embedded-hal v0.2.2 (available: v0.4.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f32e949903d8fa0dc3241d262cb09fcd33a08012a51d6e3aa97dd451092c6584 [INFO] running `Command { std: "docker" "start" "-a" "f32e949903d8fa0dc3241d262cb09fcd33a08012a51d6e3aa97dd451092c6584", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f32e949903d8fa0dc3241d262cb09fcd33a08012a51d6e3aa97dd451092c6584", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f32e949903d8fa0dc3241d262cb09fcd33a08012a51d6e3aa97dd451092c6584", kill_on_drop: false }` [INFO] [stdout] f32e949903d8fa0dc3241d262cb09fcd33a08012a51d6e3aa97dd451092c6584 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ebdb0e69ac223994edd7eb6f182333f5a2bfbb0e3db0e8967c9ffc3d9474aed [INFO] running `Command { std: "docker" "start" "-a" "7ebdb0e69ac223994edd7eb6f182333f5a2bfbb0e3db0e8967c9ffc3d9474aed", kill_on_drop: false }` [INFO] [stderr] Compiling nb v1.1.0 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling st7032i v0.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "7ebdb0e69ac223994edd7eb6f182333f5a2bfbb0e3db0e8967c9ffc3d9474aed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ebdb0e69ac223994edd7eb6f182333f5a2bfbb0e3db0e8967c9ffc3d9474aed", kill_on_drop: false }` [INFO] [stdout] 7ebdb0e69ac223994edd7eb6f182333f5a2bfbb0e3db0e8967c9ffc3d9474aed [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 34d1964b4105411b2b4277a8276ebe508b3daea28a1da5e1bba8924605076c98 [INFO] running `Command { std: "docker" "start" "-a" "34d1964b4105411b2b4277a8276ebe508b3daea28a1da5e1bba8924605076c98", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling bitflags v0.3.3 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling spidev v0.3.0 [INFO] [stderr] Compiling i2cdev v0.4.4 [INFO] [stderr] Compiling sysfs_gpio v0.5.4 [INFO] [stderr] Compiling linux-embedded-hal v0.2.2 [INFO] [stderr] Compiling st7032i v0.0.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 9.42s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "34d1964b4105411b2b4277a8276ebe508b3daea28a1da5e1bba8924605076c98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34d1964b4105411b2b4277a8276ebe508b3daea28a1da5e1bba8924605076c98", kill_on_drop: false }` [INFO] [stdout] 34d1964b4105411b2b4277a8276ebe508b3daea28a1da5e1bba8924605076c98 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0f6402ae057ddffb3210d0af761b375142987098858f593f007ab19d44528622 [INFO] running `Command { std: "docker" "start" "-a" "0f6402ae057ddffb3210d0af761b375142987098858f593f007ab19d44528622", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/st7032i-3cb6ec4e2a8c339e) [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 st7032i [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 23) - compile ... FAILED [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] [stdout] test src/lib.rs - (line 16) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 23) stdout ---- [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:30:36 [INFO] [stdout] | [INFO] [stdout] 8 | fn main() { [INFO] [stdout] | --------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] 9 | let dev = I2cdev::new("/dev/i2c-1")?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 8 ~ fn main() -> Result<(), Box> { [INFO] [stdout] 9 | let dev = I2cdev::new("/dev/i2c-1")?; [INFO] [stdout] ... [INFO] [stdout] 14| write!(display, "Rust")?; [INFO] [stdout] 15+ Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 8 | fn main() { [INFO] [stdout] | --------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 11 | display.init()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 8 ~ fn main() -> Result<(), Box> { [INFO] [stdout] 9 | let dev = I2cdev::new("/dev/i2c-1")?; [INFO] [stdout] ... [INFO] [stdout] 14 | write!(display, "Rust")?; [INFO] [stdout] 15 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:33:25 [INFO] [stdout] | [INFO] [stdout] 8 | fn main() { [INFO] [stdout] | --------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 12 | write!(display, "Hello")?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 8 ~ fn main() -> Result<(), Box> { [INFO] [stdout] 9 | let dev = I2cdev::new("/dev/i2c-1")?; [INFO] [stdout] ... [INFO] [stdout] 14 | write!(display, "Rust")?; [INFO] [stdout] 15 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:34:26 [INFO] [stdout] | [INFO] [stdout] 8 | fn main() { [INFO] [stdout] | --------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 13 | display.move_cursor(1, 0)?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 8 ~ fn main() -> Result<(), Box> { [INFO] [stdout] 9 | let dev = I2cdev::new("/dev/i2c-1")?; [INFO] [stdout] ... [INFO] [stdout] 14 | write!(display, "Rust")?; [INFO] [stdout] 15 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:35:24 [INFO] [stdout] | [INFO] [stdout] 8 | fn main() { [INFO] [stdout] | --------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 14 | write!(display, "Rust")?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 8 ~ fn main() -> Result<(), Box> { [INFO] [stdout] 9 | let dev = I2cdev::new("/dev/i2c-1")?; [INFO] [stdout] ... [INFO] [stdout] 14 | write!(display, "Rust")?; [INFO] [stdout] 15 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 23) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0f6402ae057ddffb3210d0af761b375142987098858f593f007ab19d44528622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f6402ae057ddffb3210d0af761b375142987098858f593f007ab19d44528622", kill_on_drop: false }` [INFO] [stdout] 0f6402ae057ddffb3210d0af761b375142987098858f593f007ab19d44528622