[INFO] fetching crate embedded-hal-fuzz 0.1.2...
[INFO] checking embedded-hal-fuzz-0.1.2 against master#4bd30785eb6e55f317b41b7c278f438807eeb174 for pr-102737
[INFO] extracting crate embedded-hal-fuzz 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate embedded-hal-fuzz 0.1.2 on toolchain 4bd30785eb6e55f317b41b7c278f438807eeb174
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-hal-fuzz 0.1.2
[INFO] finished tweaking crates.io crate embedded-hal-fuzz 0.1.2
[INFO] tweaked toml for crates.io crate embedded-hal-fuzz 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "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" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.4
[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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a15403bfa4678fca2ae67668deaae9b14b73fd66aec3909b98322ca2d59ddc1c
[INFO] running `Command { std: "docker" "start" "-a" "a15403bfa4678fca2ae67668deaae9b14b73fd66aec3909b98322ca2d59ddc1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a15403bfa4678fca2ae67668deaae9b14b73fd66aec3909b98322ca2d59ddc1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15403bfa4678fca2ae67668deaae9b14b73fd66aec3909b98322ca2d59ddc1c", kill_on_drop: false }`
[INFO] [stdout] a15403bfa4678fca2ae67668deaae9b14b73fd66aec3909b98322ca2d59ddc1c
[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=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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4bd30785eb6e55f317b41b7c278f438807eeb174" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d59a0f8b70c4c06a3f817904ddf9cc978a5313eb721390fa6a948c16d019c06
[INFO] running `Command { std: "docker" "start" "-a" "3d59a0f8b70c4c06a3f817904ddf9cc978a5313eb721390fa6a948c16d019c06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking arbitrary v1.1.7
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking embedded-hal-fuzz v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/i2c.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         address: A,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.4
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/i2c.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         address: A,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 12.92s
[INFO] running `Command { std: "docker" "inspect" "3d59a0f8b70c4c06a3f817904ddf9cc978a5313eb721390fa6a948c16d019c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d59a0f8b70c4c06a3f817904ddf9cc978a5313eb721390fa6a948c16d019c06", kill_on_drop: false }`
[INFO] [stdout] 3d59a0f8b70c4c06a3f817904ddf9cc978a5313eb721390fa6a948c16d019c06