[INFO] fetching crate i2cdev2 0.4.0... [INFO] testing i2cdev2-0.4.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate i2cdev2 0.4.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate i2cdev2 0.4.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate i2cdev2 0.4.0 [INFO] finished tweaking crates.io crate i2cdev2 0.4.0 [INFO] tweaked toml for crates.io crate i2cdev2 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d075ddd5b8c5129279b46cdad95c82483ac9d07a2a1a240bbf44741557b4d803 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d075ddd5b8c5129279b46cdad95c82483ac9d07a2a1a240bbf44741557b4d803", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d075ddd5b8c5129279b46cdad95c82483ac9d07a2a1a240bbf44741557b4d803", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d075ddd5b8c5129279b46cdad95c82483ac9d07a2a1a240bbf44741557b4d803", kill_on_drop: false }` [INFO] [stdout] d075ddd5b8c5129279b46cdad95c82483ac9d07a2a1a240bbf44741557b4d803 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bbd8ccf429c92c0ad3f815cd8cfffcb838e17172c2ce7bd9d71a806a02cf0d00 [INFO] running `Command { std: "docker" "start" "-a" "bbd8ccf429c92c0ad3f815cd8cfffcb838e17172c2ce7bd9d71a806a02cf0d00", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling bytecount v0.6.2 [INFO] [stderr] Compiling nix v0.11.1 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling cargo-platform v0.1.2 [INFO] [stderr] Compiling cargo_metadata v0.12.3 [INFO] [stderr] Compiling skeptic v0.13.6 [INFO] [stderr] Compiling i2cdev2 v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ffi.rs:437:37 [INFO] [stdout] | [INFO] [stdout] 437 | -> Result<(c_int), I2CError> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ffi.rs:447:62 [INFO] [stdout] | [INFO] [stdout] 447 | ... msgs: &mut Vec) -> Result<(i32), I2CError> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/linux.rs:84:32 [INFO] [stdout] | [INFO] [stdout] 84 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/linux.rs:79:43 [INFO] [stdout] | [INFO] [stdout] 79 | LinuxI2CError::Io(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/linux.rs:80:44 [INFO] [stdout] | [INFO] [stdout] 80 | LinuxI2CError::Nix(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.44s [INFO] running `Command { std: "docker" "inspect" "bbd8ccf429c92c0ad3f815cd8cfffcb838e17172c2ce7bd9d71a806a02cf0d00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbd8ccf429c92c0ad3f815cd8cfffcb838e17172c2ce7bd9d71a806a02cf0d00", kill_on_drop: false }` [INFO] [stdout] bbd8ccf429c92c0ad3f815cd8cfffcb838e17172c2ce7bd9d71a806a02cf0d00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e1486abbef813035f859bda1d7a64d800b72a3fe486be940f5391724855899e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2e1486abbef813035f859bda1d7a64d800b72a3fe486be940f5391724855899e", kill_on_drop: false }` [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ffi.rs:437:37 [INFO] [stdout] | [INFO] [stdout] 437 | -> Result<(c_int), I2CError> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ffi.rs:447:62 [INFO] [stdout] | [INFO] [stdout] 447 | ... msgs: &mut Vec) -> Result<(i32), I2CError> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/linux.rs:84:32 [INFO] [stdout] | [INFO] [stdout] 84 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/linux.rs:79:43 [INFO] [stdout] | [INFO] [stdout] 79 | LinuxI2CError::Io(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/linux.rs:80:44 [INFO] [stdout] | [INFO] [stdout] 80 | LinuxI2CError::Nix(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling i2cdev2 v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0463]: can't find crate for `i2cdev` [INFO] [stdout] --> examples/pca9956b.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate i2cdev; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `i2cdev2` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0463]: can't find crate for `i2cdev` [INFO] [stdout] --> examples/sensors.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | extern crate i2cdev; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ffi.rs:437:37 [INFO] [stdout] | [INFO] [stdout] 437 | -> Result<(c_int), I2CError> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ffi.rs:447:62 [INFO] [stdout] | [INFO] [stdout] 447 | ... msgs: &mut Vec) -> Result<(i32), I2CError> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/linux.rs:84:32 [INFO] [stdout] | [INFO] [stdout] 84 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `i2cdev` [INFO] [stdout] --> examples/nunchuck.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | extern crate i2cdev; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/linux.rs:79:43 [INFO] [stdout] | [INFO] [stdout] 79 | LinuxI2CError::Io(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/linux.rs:80:44 [INFO] [stdout] | [INFO] [stdout] 80 | LinuxI2CError::Nix(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2e1486abbef813035f859bda1d7a64d800b72a3fe486be940f5391724855899e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e1486abbef813035f859bda1d7a64d800b72a3fe486be940f5391724855899e", kill_on_drop: false }` [INFO] [stdout] 2e1486abbef813035f859bda1d7a64d800b72a3fe486be940f5391724855899e