[INFO] fetching crate blipper 0.4.0... [INFO] checking blipper-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate blipper 0.4.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate blipper 0.4.0 [INFO] finished tweaking crates.io crate blipper 0.4.0 [INFO] tweaked toml for crates.io crate blipper 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate blipper 0.4.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate blipper 0.4.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f291a785e9446076568e6eeb380174bd63244cf74055c1a875eade9be043855b [INFO] running `Command { std: "docker" "start" "-a" "f291a785e9446076568e6eeb380174bd63244cf74055c1a875eade9be043855b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f291a785e9446076568e6eeb380174bd63244cf74055c1a875eade9be043855b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f291a785e9446076568e6eeb380174bd63244cf74055c1a875eade9be043855b", kill_on_drop: false }` [INFO] [stdout] f291a785e9446076568e6eeb380174bd63244cf74055c1a875eade9be043855b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14576bbc40bee73fdabe5ec5965f1207a34ee8297f5d5b292cd882a27a901cf5 [INFO] running `Command { std: "docker" "start" "-a" "14576bbc40bee73fdabe5ec5965f1207a34ee8297f5d5b292cd882a27a901cf5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking postcard-cobs v0.1.5-pre [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking infrared v0.8.0 [INFO] [stderr] Checking as-slice v0.1.4 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking vcd v0.6.1 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Checking structopt v0.3.20 [INFO] [stderr] Checking postcard v0.5.1 [INFO] [stderr] Checking blipper-shared v0.1.0 [INFO] [stderr] Checking blipper v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/main.rs:41:16 [INFO] [stdout] | [INFO] [stdout] 41 | Protocol { id: u8 }, [INFO] [stdout] | -------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CliCommand` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blipper` (bin "blipper" test) due to 4 previous errors; 1 warning emitted [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | / /// nec nes rc5 rc5 sbp [INFO] [stdout] 31 | | proto: String, [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | path: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:43:16 [INFO] [stdout] | [INFO] [stdout] 43 | Transmit { proto: String, addr: u32, cmd: u32 }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/main.rs:41:16 [INFO] [stdout] | [INFO] [stdout] 41 | Protocol { id: u8 }, [INFO] [stdout] | -------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CliCommand` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | / /// nec nes rc5 rc5 sbp [INFO] [stdout] 31 | | proto: String, [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | path: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:43:16 [INFO] [stdout] | [INFO] [stdout] 43 | Transmit { proto: String, addr: u32, cmd: u32 }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blipper` (bin "blipper") due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "14576bbc40bee73fdabe5ec5965f1207a34ee8297f5d5b292cd882a27a901cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14576bbc40bee73fdabe5ec5965f1207a34ee8297f5d5b292cd882a27a901cf5", kill_on_drop: false }` [INFO] [stdout] 14576bbc40bee73fdabe5ec5965f1207a34ee8297f5d5b292cd882a27a901cf5