[INFO] fetching crate embedded-hal-fuzz 0.1.2...
[INFO] checking embedded-hal-fuzz-0.1.2 against master#542febd2d383b5082277c7d165b098c0a3b513f6 for pr-103293
[INFO] extracting crate embedded-hal-fuzz 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate embedded-hal-fuzz 0.1.2 on toolchain 542febd2d383b5082277c7d165b098c0a3b513f6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbitrary v1.2.0
[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2702be477d849e5219ae5584d4b3c2f7f94595969636b7bd9a6d64f8eb9fe20b
[INFO] running `Command { std: "docker" "start" "-a" "2702be477d849e5219ae5584d4b3c2f7f94595969636b7bd9a6d64f8eb9fe20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2702be477d849e5219ae5584d4b3c2f7f94595969636b7bd9a6d64f8eb9fe20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2702be477d849e5219ae5584d4b3c2f7f94595969636b7bd9a6d64f8eb9fe20b", kill_on_drop: false }`
[INFO] [stdout] 2702be477d849e5219ae5584d4b3c2f7f94595969636b7bd9a6d64f8eb9fe20b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+542febd2d383b5082277c7d165b098c0a3b513f6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5edb96730dba0fd4fb3eb16024b314a7a2b1df055f33093c379c28f994f465cb
[INFO] running `Command { std: "docker" "start" "-a" "5edb96730dba0fd4fb3eb16024b314a7a2b1df055f33093c379c28f994f465cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking arbitrary v1.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[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 num-traits v0.2.15
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.5
[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 10.28s
[INFO] running `Command { std: "docker" "inspect" "5edb96730dba0fd4fb3eb16024b314a7a2b1df055f33093c379c28f994f465cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5edb96730dba0fd4fb3eb16024b314a7a2b1df055f33093c379c28f994f465cb", kill_on_drop: false }`
[INFO] [stdout] 5edb96730dba0fd4fb3eb16024b314a7a2b1df055f33093c379c28f994f465cb