[INFO] fetching crate st7735-lcd 0.7.1... [INFO] checking st7735-lcd-0.7.1 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315 [INFO] extracting crate st7735-lcd 0.7.1 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate st7735-lcd 0.7.1 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate st7735-lcd 0.7.1 [INFO] finished tweaking crates.io crate st7735-lcd 0.7.1 [INFO] tweaked toml for crates.io crate st7735-lcd 0.7.1 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bea392045d36441888d3dd988efc506f978a064342951068f60a7803a6beff2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5bea392045d36441888d3dd988efc506f978a064342951068f60a7803a6beff2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bea392045d36441888d3dd988efc506f978a064342951068f60a7803a6beff2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bea392045d36441888d3dd988efc506f978a064342951068f60a7803a6beff2", kill_on_drop: false }` [INFO] [stdout] 5bea392045d36441888d3dd988efc506f978a064342951068f60a7803a6beff2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d86a6565ce8d47ae293016be336a5c408e29c38b29999bdaa3bd89ec4ffd9ab8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d86a6565ce8d47ae293016be336a5c408e29c38b29999bdaa3bd89ec4ffd9ab8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking embedded-graphics v0.6.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking st7735-lcd v0.7.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `core::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:168:17 [INFO] [stdout] | [INFO] [stdout] 168 | self.write_data(&buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `core::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:168:17 [INFO] [stdout] | [INFO] [stdout] 168 | self.write_data(&buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.89s [INFO] running `Command { std: "docker" "inspect" "d86a6565ce8d47ae293016be336a5c408e29c38b29999bdaa3bd89ec4ffd9ab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d86a6565ce8d47ae293016be336a5c408e29c38b29999bdaa3bd89ec4ffd9ab8", kill_on_drop: false }` [INFO] [stdout] d86a6565ce8d47ae293016be336a5c408e29c38b29999bdaa3bd89ec4ffd9ab8