[INFO] fetching crate motor-driver-hal 0.1.3...
[INFO] building motor-driver-hal-0.1.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate motor-driver-hal 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate motor-driver-hal 0.1.3
[INFO] finished tweaking crates.io crate motor-driver-hal 0.1.3
[INFO] tweaked toml for crates.io crate motor-driver-hal 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate motor-driver-hal 0.1.3 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate motor-driver-hal 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44b7b81c5a8baa88dd3df377716a9f5718a3254d01a7462b8e4f28bd10d0b04b
[INFO] running `Command { std: "docker" "start" "-a" "44b7b81c5a8baa88dd3df377716a9f5718a3254d01a7462b8e4f28bd10d0b04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b7b81c5a8baa88dd3df377716a9f5718a3254d01a7462b8e4f28bd10d0b04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b7b81c5a8baa88dd3df377716a9f5718a3254d01a7462b8e4f28bd10d0b04b", kill_on_drop: false }`
[INFO] [stdout] 44b7b81c5a8baa88dd3df377716a9f5718a3254d01a7462b8e4f28bd10d0b04b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebc1a8791d575da35982efa0340c51d10bae2dfeacd67a407610523b8306cfb8
[INFO] running `Command { std: "docker" "start" "-a" "ebc1a8791d575da35982efa0340c51d10bae2dfeacd67a407610523b8306cfb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling motor-driver-hal v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `current_pulse` is never read
[INFO] [stdout]   --> src/wrapper.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MotorDriverWrapper<E1, E2, P1, P2> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     current_pulse: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "ebc1a8791d575da35982efa0340c51d10bae2dfeacd67a407610523b8306cfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc1a8791d575da35982efa0340c51d10bae2dfeacd67a407610523b8306cfb8", kill_on_drop: false }`
[INFO] [stdout] ebc1a8791d575da35982efa0340c51d10bae2dfeacd67a407610523b8306cfb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 537f41318eb357991dabf706181c96709b80a26a69a7e2c8b0576ce7956daf40
[INFO] running `Command { std: "docker" "start" "-a" "537f41318eb357991dabf706181c96709b80a26a69a7e2c8b0576ce7956daf40", kill_on_drop: false }`
[INFO] [stdout] warning: field `current_pulse` is never read
[INFO] [stdout]   --> src/wrapper.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MotorDriverWrapper<E1, E2, P1, P2> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     current_pulse: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling motor-driver-hal v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `current_pulse` is never read
[INFO] [stdout]   --> src/wrapper.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct MotorDriverWrapper<E1, E2, P1, P2> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     current_pulse: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "537f41318eb357991dabf706181c96709b80a26a69a7e2c8b0576ce7956daf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537f41318eb357991dabf706181c96709b80a26a69a7e2c8b0576ce7956daf40", kill_on_drop: false }`
[INFO] [stdout] 537f41318eb357991dabf706181c96709b80a26a69a7e2c8b0576ce7956daf40