[INFO] fetching crate mcp4728 0.1.0...
[INFO] checking mcp4728-0.1.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate mcp4728 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mcp4728 0.1.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp4728 0.1.0
[INFO] finished tweaking crates.io crate mcp4728 0.1.0
[INFO] tweaked toml for crates.io crate mcp4728 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding embedded-hal-mock v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding gpio-cdev v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding i2cdev v0.5.1 (latest: v0.6.1)
[INFO] [stderr]       Adding ioctl-rs v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding linux-embedded-hal v0.3.2 (latest: v0.4.0)
[INFO] [stderr]       Adding memoffset v0.6.5 (latest: v0.9.1)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding nix v0.23.2 (latest: v0.29.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (latest: v0.7.3)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (latest: v0.7.3)
[INFO] [stderr]       Adding spidev v0.5.2 (latest: v0.6.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding termios v0.2.2 (latest: v0.3.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11bc901dd5edbdef2fa37d9d20bc9f8ded6be69172c975c71070a7e3b2903c37
[INFO] running `Command { std: "docker" "start" "-a" "11bc901dd5edbdef2fa37d9d20bc9f8ded6be69172c975c71070a7e3b2903c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11bc901dd5edbdef2fa37d9d20bc9f8ded6be69172c975c71070a7e3b2903c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bc901dd5edbdef2fa37d9d20bc9f8ded6be69172c975c71070a7e3b2903c37", kill_on_drop: false }`
[INFO] [stdout] 11bc901dd5edbdef2fa37d9d20bc9f8ded6be69172c975c71070a7e3b2903c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0d3d68dba1e8039ec2257742b536a9810398b88c731aa4edb6fcddfacba882a
[INFO] running `Command { std: "docker" "start" "-a" "c0d3d68dba1e8039ec2257742b536a9810398b88c731aa4edb6fcddfacba882a", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking embedded-hal-mock v0.8.0
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking mcp4728 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking spidev v0.5.2
[INFO] [stderr]     Checking sysfs_gpio v0.6.2
[INFO] [stderr]     Checking i2cdev v0.5.1
[INFO] [stderr]     Checking gpio-cdev v0.5.1
[INFO] [stderr]     Checking linux-embedded-hal v0.3.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "c0d3d68dba1e8039ec2257742b536a9810398b88c731aa4edb6fcddfacba882a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d3d68dba1e8039ec2257742b536a9810398b88c731aa4edb6fcddfacba882a", kill_on_drop: false }`
[INFO] [stdout] c0d3d68dba1e8039ec2257742b536a9810398b88c731aa4edb6fcddfacba882a