[INFO] fetching crate pcf8591-hal 0.1.0...
[INFO] testing pcf8591-hal-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pcf8591-hal 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pcf8591-hal 0.1.0 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 pcf8591-hal 0.1.0
[INFO] finished tweaking crates.io crate pcf8591-hal 0.1.0
[INFO] tweaked toml for crates.io crate pcf8591-hal 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate pcf8591-hal 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded serial-core v0.4.0
[INFO] [stderr]   Downloaded spidev v0.4.0
[INFO] [stderr]   Downloaded linux-embedded-hal v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] cd8f2169ff490afda6774dd3c44a4d3ecccc4ac61dda3dbd387a8a6b81897d78
[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" "cd8f2169ff490afda6774dd3c44a4d3ecccc4ac61dda3dbd387a8a6b81897d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8f2169ff490afda6774dd3c44a4d3ecccc4ac61dda3dbd387a8a6b81897d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8f2169ff490afda6774dd3c44a4d3ecccc4ac61dda3dbd387a8a6b81897d78", kill_on_drop: false }`
[INFO] [stdout] cd8f2169ff490afda6774dd3c44a4d3ecccc4ac61dda3dbd387a8a6b81897d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 7fb8c2b4977dd031c2cecb6e37cefee2eb2774d201e000809b988c02e5ba752a
[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" "7fb8c2b4977dd031c2cecb6e37cefee2eb2774d201e000809b988c02e5ba752a", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling pcf8591-hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "7fb8c2b4977dd031c2cecb6e37cefee2eb2774d201e000809b988c02e5ba752a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb8c2b4977dd031c2cecb6e37cefee2eb2774d201e000809b988c02e5ba752a", kill_on_drop: false }`
[INFO] [stdout] 7fb8c2b4977dd031c2cecb6e37cefee2eb2774d201e000809b988c02e5ba752a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] be6fda202bccea77e6b1d20bb97699296e9ec744d481479d8cf04b6436082592
[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" "be6fda202bccea77e6b1d20bb97699296e9ec744d481479d8cf04b6436082592", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling spidev v0.4.0
[INFO] [stderr]    Compiling i2cdev v0.4.4
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling linux-embedded-hal v0.3.0
[INFO] [stderr]    Compiling pcf8591-hal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `pcf8591`
[INFO] [stdout]  --> examples/raspberry_pi_adc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pcf8591::*;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `pcf8591`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PCFADCNum`
[INFO] [stdout]  --> examples/raspberry_pi_adc.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let a0 = adc.read(PCFADCNum::A0).expect("can read ADC0");
[INFO] [stdout]   |                           ^^^^^^^^^ use of undeclared type `PCFADCNum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PCF8591`
[INFO] [stdout]  --> examples/raspberry_pi_adc.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut adc = PCF8591::new(i2c, PCF8591_DEFAULT_ADDRESS);
[INFO] [stdout]   |                   ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pcf8591_hal::PCF8591;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `PCF8591_DEFAULT_ADDRESS` in this scope
[INFO] [stdout]  --> examples/raspberry_pi_adc.rs:6:37
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut adc = PCF8591::new(i2c, PCF8591_DEFAULT_ADDRESS);
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this constant
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pcf8591_hal::PCF8591_DEFAULT_ADDRESS;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pcf8591-hal` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "be6fda202bccea77e6b1d20bb97699296e9ec744d481479d8cf04b6436082592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6fda202bccea77e6b1d20bb97699296e9ec744d481479d8cf04b6436082592", kill_on_drop: false }`
[INFO] [stdout] be6fda202bccea77e6b1d20bb97699296e9ec744d481479d8cf04b6436082592