[INFO] fetching crate max-7219-led-matrix-util 0.1.4... [INFO] checking max-7219-led-matrix-util-0.1.4 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate max-7219-led-matrix-util 0.1.4 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate max-7219-led-matrix-util 0.1.4 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate max-7219-led-matrix-util 0.1.4 [INFO] finished tweaking crates.io crate max-7219-led-matrix-util 0.1.4 [INFO] tweaked toml for crates.io crate max-7219-led-matrix-util 0.1.4 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate crates.io crate max-7219-led-matrix-util 0.1.4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 597f61e4b913cdfd59f7688f8e9548726f2c56ac7a3d1b031ac7f15bd327bb20 [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" "597f61e4b913cdfd59f7688f8e9548726f2c56ac7a3d1b031ac7f15bd327bb20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "597f61e4b913cdfd59f7688f8e9548726f2c56ac7a3d1b031ac7f15bd327bb20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "597f61e4b913cdfd59f7688f8e9548726f2c56ac7a3d1b031ac7f15bd327bb20", kill_on_drop: false }` [INFO] [stdout] 597f61e4b913cdfd59f7688f8e9548726f2c56ac7a3d1b031ac7f15bd327bb20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a7c65aba00273d3b007df2080f04f5bf9624e914132adec036c9f61adeba3d73 [INFO] running `Command { std: "docker" "start" "-a" "a7c65aba00273d3b007df2080f04f5bf9624e914132adec036c9f61adeba3d73", kill_on_drop: false }` [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Checking max7219 v0.2.2 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking gpio-cdev v0.3.0 [INFO] [stderr] Checking max-7219-led-matrix-util v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `remove_letter_spacing` [INFO] [stdout] --> src/lib.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn remove_letter_spacing(_moving_bits: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `remove_letter_spacing` [INFO] [stdout] --> src/lib.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn remove_letter_spacing(_moving_bits: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 8.25s [INFO] running `Command { std: "docker" "inspect" "a7c65aba00273d3b007df2080f04f5bf9624e914132adec036c9f61adeba3d73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7c65aba00273d3b007df2080f04f5bf9624e914132adec036c9f61adeba3d73", kill_on_drop: false }` [INFO] [stdout] a7c65aba00273d3b007df2080f04f5bf9624e914132adec036c9f61adeba3d73