[INFO] fetching crate mcp23x17 0.2.0...
[INFO] checking mcp23x17-0.2.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate mcp23x17 0.2.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate mcp23x17 0.2.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9202dc1c3df3adccba16c4b056fcc42d1f264be3d3fa9b34d6600e7365eeacd2
[INFO] running `Command { std: "docker" "start" "-a" "9202dc1c3df3adccba16c4b056fcc42d1f264be3d3fa9b34d6600e7365eeacd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9202dc1c3df3adccba16c4b056fcc42d1f264be3d3fa9b34d6600e7365eeacd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9202dc1c3df3adccba16c4b056fcc42d1f264be3d3fa9b34d6600e7365eeacd2", kill_on_drop: false }`
[INFO] [stdout] 9202dc1c3df3adccba16c4b056fcc42d1f264be3d3fa9b34d6600e7365eeacd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed85ded09a852145cdc7f2d96adba0d4a27e92c2ff9b68632768d61afc952dee
[INFO] running `Command { std: "docker" "start" "-a" "ed85ded09a852145cdc7f2d96adba0d4a27e92c2ff9b68632768d61afc952dee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking embedded-hal-mock v0.2.0
[INFO] [stderr]     Checking mcp23x17 v0.2.0 (/opt/rustwide/workdir)
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking linux-embedded-hal v0.2.2
[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]    = 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[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: 1 warning 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "ed85ded09a852145cdc7f2d96adba0d4a27e92c2ff9b68632768d61afc952dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed85ded09a852145cdc7f2d96adba0d4a27e92c2ff9b68632768d61afc952dee", kill_on_drop: false }`
[INFO] [stdout] ed85ded09a852145cdc7f2d96adba0d4a27e92c2ff9b68632768d61afc952dee