[INFO] fetching crate mcp23x17 0.2.0...
[INFO] checking mcp23x17-0.2.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate mcp23x17 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mcp23x17 0.2.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp23x17 0.2.0
[INFO] finished tweaking crates.io crate mcp23x17 0.2.0
[INFO] tweaked toml for crates.io crate mcp23x17 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67f038504fcbdd5fac5a68916d93e5f3cfe34f8555423e28bbe340d4fccbcdbc
[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" "67f038504fcbdd5fac5a68916d93e5f3cfe34f8555423e28bbe340d4fccbcdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67f038504fcbdd5fac5a68916d93e5f3cfe34f8555423e28bbe340d4fccbcdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f038504fcbdd5fac5a68916d93e5f3cfe34f8555423e28bbe340d4fccbcdbc", kill_on_drop: false }`
[INFO] [stdout] 67f038504fcbdd5fac5a68916d93e5f3cfe34f8555423e28bbe340d4fccbcdbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e0117c7e66a23af877425b6b6445a37c51a37f011a6bd722351151f0b9ccf50
[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" "9e0117c7e66a23af877425b6b6445a37c51a37f011a6bd722351151f0b9ccf50", kill_on_drop: false }`
[INFO] [stderr]     Checking embedded-hal-mock v0.2.0
[INFO] [stderr]     Checking mcp23x17 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 273 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `_nothin` should have an upper case name
[INFO] [stdout]    --> src/lib.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |         const _nothin = 1 << 0;
[INFO] [stdout]     |               ^^^^^^^ help: convert the identifier to upper case: `_NOTHIN`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `_nothin` should have an upper case name
[INFO] [stdout]    --> src/lib.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |         const _nothin = 1 << 0;
[INFO] [stdout]     |               ^^^^^^^ help: convert the identifier to upper case: `_NOTHIN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `_nothin` should have an upper case name
[INFO] [stdout]    --> src/lib.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |         const _nothin = 1 << 0;
[INFO] [stdout]     |               ^^^^^^^ help: convert the identifier to upper case: `_NOTHIN`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `_nothin` should have an upper case name
[INFO] [stdout]    --> src/lib.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 |         const _nothin = 1 << 0;
[INFO] [stdout]     |               ^^^^^^^ help: convert the identifier to upper case: `_NOTHIN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/pi.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "9e0117c7e66a23af877425b6b6445a37c51a37f011a6bd722351151f0b9ccf50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0117c7e66a23af877425b6b6445a37c51a37f011a6bd722351151f0b9ccf50", kill_on_drop: false }`
[INFO] [stdout] 9e0117c7e66a23af877425b6b6445a37c51a37f011a6bd722351151f0b9ccf50