[INFO] fetching crate nrfdfu 0.1.3... [INFO] building nrfdfu-0.1.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate nrfdfu 0.1.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate nrfdfu 0.1.3 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nrfdfu 0.1.3 [INFO] finished tweaking crates.io crate nrfdfu 0.1.3 [INFO] tweaked toml for crates.io crate nrfdfu 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate nrfdfu 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded expect-test v1.1.0 [INFO] [stderr] Downloaded nix v0.16.1 [INFO] [stderr] Downloaded CoreFoundation-sys v0.1.4 [INFO] [stderr] Downloaded IOKit-sys v0.1.5 [INFO] [stderr] Downloaded mach v0.1.2 [INFO] [stderr] Downloaded ferrous-serialport v4.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e91d59978d151abbc53ee15a67b9f4db4d7ae4721c93b35554b50ae515074afa [INFO] running `Command { std: "docker" "start" "-a" "e91d59978d151abbc53ee15a67b9f4db4d7ae4721c93b35554b50ae515074afa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e91d59978d151abbc53ee15a67b9f4db4d7ae4721c93b35554b50ae515074afa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e91d59978d151abbc53ee15a67b9f4db4d7ae4721c93b35554b50ae515074afa", kill_on_drop: false }` [INFO] [stdout] e91d59978d151abbc53ee15a67b9f4db4d7ae4721c93b35554b50ae515074afa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2fa4cc76079e5faf5bda92e352ed967feb1ad7b99c003e9f53e8c71fd9ad22e [INFO] running `Command { std: "docker" "start" "-a" "c2fa4cc76079e5faf5bda92e352ed967feb1ad7b99c003e9f53e8c71fd9ad22e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling cpufeatures v0.1.4 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling leb128 v0.2.4 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling object v0.25.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling libudev v0.2.0 [INFO] [stderr] Compiling sha2 v0.9.5 [INFO] [stderr] Compiling ferrous-serialport v4.0.2 [INFO] [stderr] Compiling nrfdfu v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `part`, `variant`, `rom_size`, `ram_size`, and `rom_page_size` are never read [INFO] [stdout] --> src/messages.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 179 | pub struct HardwareVersionResponse { [INFO] [stdout] | ----------------------- fields in this struct [INFO] [stdout] 180 | // See FICR register docs [INFO] [stdout] 181 | part: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 182 | variant: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 183 | rom_size: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 184 | ram_size: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 185 | rom_page_size: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HardwareVersionResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/messages.rs:213:25 [INFO] [stdout] | [INFO] [stdout] 213 | pub struct PingResponse(pub u8); [INFO] [stdout] | ------------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `PingResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `offset` and `crc` are never read [INFO] [stdout] --> src/messages.rs:237:9 [INFO] [stdout] | [INFO] [stdout] 235 | pub struct SelectResponse { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 236 | pub max_size: u32, [INFO] [stdout] 237 | pub offset: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 238 | pub crc: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SelectResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `offset` is never read [INFO] [stdout] --> src/messages.rs:369:9 [INFO] [stdout] | [INFO] [stdout] 368 | pub struct CrcResponse { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 369 | pub offset: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CrcResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s [INFO] running `Command { std: "docker" "inspect" "c2fa4cc76079e5faf5bda92e352ed967feb1ad7b99c003e9f53e8c71fd9ad22e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2fa4cc76079e5faf5bda92e352ed967feb1ad7b99c003e9f53e8c71fd9ad22e", kill_on_drop: false }` [INFO] [stdout] c2fa4cc76079e5faf5bda92e352ed967feb1ad7b99c003e9f53e8c71fd9ad22e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b96261d963d2223628e7a1dada1142fdb1026844e257ba8ce2a5b4284562fd8f [INFO] running `Command { std: "docker" "start" "-a" "b96261d963d2223628e7a1dada1142fdb1026844e257ba8ce2a5b4284562fd8f", kill_on_drop: false }` [INFO] [stderr] Compiling dissimilar v1.0.2 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling expect-test v1.1.0 [INFO] [stderr] Compiling nrfdfu v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `part`, `variant`, `rom_size`, `ram_size`, and `rom_page_size` are never read [INFO] [stdout] --> src/messages.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 179 | pub struct HardwareVersionResponse { [INFO] [stdout] | ----------------------- fields in this struct [INFO] [stdout] 180 | // See FICR register docs [INFO] [stdout] 181 | part: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 182 | variant: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 183 | rom_size: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 184 | ram_size: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 185 | rom_page_size: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HardwareVersionResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/messages.rs:213:25 [INFO] [stdout] | [INFO] [stdout] 213 | pub struct PingResponse(pub u8); [INFO] [stdout] | ------------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `PingResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `offset` and `crc` are never read [INFO] [stdout] --> src/messages.rs:237:9 [INFO] [stdout] | [INFO] [stdout] 235 | pub struct SelectResponse { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 236 | pub max_size: u32, [INFO] [stdout] 237 | pub offset: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 238 | pub crc: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SelectResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `offset` is never read [INFO] [stdout] --> src/messages.rs:369:9 [INFO] [stdout] | [INFO] [stdout] 368 | pub struct CrcResponse { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 369 | pub offset: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CrcResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "b96261d963d2223628e7a1dada1142fdb1026844e257ba8ce2a5b4284562fd8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b96261d963d2223628e7a1dada1142fdb1026844e257ba8ce2a5b4284562fd8f", kill_on_drop: false }` [INFO] [stdout] b96261d963d2223628e7a1dada1142fdb1026844e257ba8ce2a5b4284562fd8f