[INFO] fetching crate tudelft-serial-upload 1.1.0... [INFO] checking tudelft-serial-upload-1.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate tudelft-serial-upload 1.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate tudelft-serial-upload 1.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tudelft-serial-upload 1.1.0 [INFO] finished tweaking crates.io crate tudelft-serial-upload 1.1.0 [INFO] tweaked toml for crates.io crate tudelft-serial-upload 1.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 71 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding crossterm v0.26.1 (latest: v0.27.0) [INFO] [stderr] Adding mach v0.1.2 (latest: v0.3.2) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding owo-colors v3.5.0 (latest: v4.0.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding serial2 v0.1.10 (latest: v0.2.20) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows v0.29.0 (latest: v0.54.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.29.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.29.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.29.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.29.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.29.0 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serial_enumerator v0.2.12 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded defer-lite v1.0.0 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded expect-test v1.5.0 [INFO] [stderr] Downloaded serial2 v0.1.10 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.29.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.29.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.29.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.29.0 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.29.0 [INFO] [stderr] Downloaded windows v0.29.0 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e924530cc36634fe7a07fb42d8c1bf25e53472684a75473bd718a6e620f80ab3 [INFO] running `Command { std: "docker" "start" "-a" "e924530cc36634fe7a07fb42d8c1bf25e53472684a75473bd718a6e620f80ab3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e924530cc36634fe7a07fb42d8c1bf25e53472684a75473bd718a6e620f80ab3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e924530cc36634fe7a07fb42d8c1bf25e53472684a75473bd718a6e620f80ab3", kill_on_drop: false }` [INFO] [stdout] e924530cc36634fe7a07fb42d8c1bf25e53472684a75473bd718a6e620f80ab3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7d0b8d0cf6e41d38751f7f409037b3ad2499f6f01a28f38e835997a991be328 [INFO] running `Command { std: "docker" "start" "-a" "d7d0b8d0cf6e41d38751f7f409037b3ad2499f6f01a28f38e835997a991be328", kill_on_drop: false }` [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking signal-hook v0.3.17 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking serial2 v0.1.10 [INFO] [stderr] Checking dissimilar v1.0.7 [INFO] [stderr] Checking expect-test v1.5.0 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.26.1 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.1 [INFO] [stderr] Checking serial_enumerator v0.2.12 [INFO] [stderr] Checking color-eyre v0.6.3 [INFO] [stderr] Checking tudelft-serial-upload v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serial.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut port = SerialPort::open(&path, |mut s: Settings| { [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 variable: `seq_nr` [INFO] [stdout] --> src/serial.rs:132:22 [INFO] [stdout] | [INFO] [stdout] 132 | let (packet, seq_nr) = self.create_packet(data); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq_nr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/serial.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let res = self.wait_for_ack() [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/serial.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let mut port = SerialPort::open(&path, |mut s: Settings| { [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 variable: `seq_nr` [INFO] [stdout] --> src/serial.rs:132:22 [INFO] [stdout] | [INFO] [stdout] 132 | let (packet, seq_nr) = self.create_packet(data); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_seq_nr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/serial.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let res = self.wait_for_ack() [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s [INFO] running `Command { std: "docker" "inspect" "d7d0b8d0cf6e41d38751f7f409037b3ad2499f6f01a28f38e835997a991be328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7d0b8d0cf6e41d38751f7f409037b3ad2499f6f01a28f38e835997a991be328", kill_on_drop: false }` [INFO] [stdout] d7d0b8d0cf6e41d38751f7f409037b3ad2499f6f01a28f38e835997a991be328