[INFO] cloning repository https://github.com/nyamster/BLE_Uart_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyamster/BLE_Uart_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamster%2FBLE_Uart_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamster%2FBLE_Uart_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b474bb60ab55043e5875ef18d8307575b518dbf [INFO] checking nyamster/BLE_Uart_test against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyamster%2FBLE_Uart_test" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nyamster/BLE_Uart_test on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nyamster/BLE_Uart_test [INFO] finished tweaking git repo https://github.com/nyamster/BLE_Uart_test [INFO] tweaked toml for git repo https://github.com/nyamster/BLE_Uart_test written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/nyamster/BLE_Uart_test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rumble v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a4477d0c25e7dd2f656e3b0e16538acb0d88d6579a7bec65ac3a77fad2413b70 [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" "a4477d0c25e7dd2f656e3b0e16538acb0d88d6579a7bec65ac3a77fad2413b70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4477d0c25e7dd2f656e3b0e16538acb0d88d6579a7bec65ac3a77fad2413b70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4477d0c25e7dd2f656e3b0e16538acb0d88d6579a7bec65ac3a77fad2413b70", kill_on_drop: false }` [INFO] [stdout] a4477d0c25e7dd2f656e3b0e16538acb0d88d6579a7bec65ac3a77fad2413b70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d8878261481d9a33eb80d58593487e3bfaa691963bf260fec61367e41b29d6e [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" "3d8878261481d9a33eb80d58593487e3bfaa691963bf260fec61367e41b29d6e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling winapi v0.3.9 [INFO] [stderr] Compiling nix v0.12.1 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-bigint v0.3.2 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling backtrace v0.3.59 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking addr2line v0.15.2 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking nom v4.2.3 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking winrt v0.6.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking nix v0.16.1 [INFO] [stderr] Checking dashmap v4.0.2 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking serialport v4.0.1 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking polling v2.0.3 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking rumble v0.3.0 [INFO] [stderr] Checking async-io v1.4.1 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking btleplug v0.5.5 [INFO] [stderr] Checking uart-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 32 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `now` [INFO] [stdout] --> src/main.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | let now = Instant::now(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_now` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | let mut input = [0u8; 80]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | let mut input = [0u8; 80]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/main.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 32 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `now` [INFO] [stdout] --> src/main.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | let now = Instant::now(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_now` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/main.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | let mut input = [0u8; 80]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | let mut input = [0u8; 80]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.22s [INFO] running `Command { std: "docker" "inspect" "3d8878261481d9a33eb80d58593487e3bfaa691963bf260fec61367e41b29d6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d8878261481d9a33eb80d58593487e3bfaa691963bf260fec61367e41b29d6e", kill_on_drop: false }` [INFO] [stdout] 3d8878261481d9a33eb80d58593487e3bfaa691963bf260fec61367e41b29d6e