[INFO] fetching crate rust_rpi_4wd_car 0.0.12... [INFO] checking rust_rpi_4wd_car-0.0.12 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rust_rpi_4wd_car 0.0.12 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate rust_rpi_4wd_car 0.0.12 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 rust_rpi_4wd_car 0.0.12 [INFO] finished tweaking crates.io crate rust_rpi_4wd_car 0.0.12 [INFO] tweaked toml for crates.io crate rust_rpi_4wd_car 0.0.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate rust_rpi_4wd_car 0.0.12 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctrlc v3.1.9 [INFO] [stderr] Downloaded rppal v0.12.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4a3be9294e516d7cbc13742038ddc28d6f6c1d8d4854d211b6b3b53fbb3b0338 [INFO] running `Command { std: "docker" "start" "-a" "4a3be9294e516d7cbc13742038ddc28d6f6c1d8d4854d211b6b3b53fbb3b0338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a3be9294e516d7cbc13742038ddc28d6f6c1d8d4854d211b6b3b53fbb3b0338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a3be9294e516d7cbc13742038ddc28d6f6c1d8d4854d211b6b3b53fbb3b0338", kill_on_drop: false }` [INFO] [stdout] 4a3be9294e516d7cbc13742038ddc28d6f6c1d8d4854d211b6b3b53fbb3b0338 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9ee7822778aa86b321552365bee818a1b74fae5eaba971564cb8ec69df5e5bd5 [INFO] running `Command { std: "docker" "start" "-a" "9ee7822778aa86b321552365bee818a1b74fae5eaba971564cb8ec69df5e5bd5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking rppal v0.12.0 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking ctrlc v3.1.9 [INFO] [stderr] Checking rust_rpi_4wd_car v0.0.12 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `ir_left`, `ir_right`, `track_left1`, `track_left2`, `track_right1`, and `track_right2` are never read [INFO] [stdout] --> src/sensors.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 50 | pub struct Sensors { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 56 | ir_left: InputPin, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | ir_right: InputPin, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | track_left1: InputPin, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | track_left2: InputPin, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | track_right1: InputPin, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | track_right2: InputPin, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sensors` 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 `echo` is never read [INFO] [stdout] --> src/sensors.rs:379:5 [INFO] [stdout] | [INFO] [stdout] 371 | pub struct Sonar { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 379 | echo: InputPin, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sonar` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/sensors.rs:387:12 [INFO] [stdout] | [INFO] [stdout] 385 | impl Sonar { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 386 | /// Constructor which uses default values for all optional arguments. [INFO] [stdout] 387 | pub fn new() -> Rr4cResult { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `ir_left`, `ir_right`, `track_left1`, `track_left2`, `track_right1`, and `track_right2` are never read [INFO] [stdout] --> src/sensors.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 50 | pub struct Sensors { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 56 | ir_left: InputPin, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | ir_right: InputPin, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | track_left1: InputPin, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | track_left2: InputPin, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | track_right1: InputPin, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | track_right2: InputPin, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sensors` 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 `echo` is never read [INFO] [stdout] --> src/sensors.rs:379:5 [INFO] [stdout] | [INFO] [stdout] 371 | pub struct Sonar { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 379 | echo: InputPin, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Sonar` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/sensors.rs:387:12 [INFO] [stdout] | [INFO] [stdout] 385 | impl Sonar { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 386 | /// Constructor which uses default values for all optional arguments. [INFO] [stdout] 387 | pub fn new() -> Rr4cResult { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.30s [INFO] running `Command { std: "docker" "inspect" "9ee7822778aa86b321552365bee818a1b74fae5eaba971564cb8ec69df5e5bd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ee7822778aa86b321552365bee818a1b74fae5eaba971564cb8ec69df5e5bd5", kill_on_drop: false }` [INFO] [stdout] 9ee7822778aa86b321552365bee818a1b74fae5eaba971564cb8ec69df5e5bd5 [INFO] checking rust_rpi_4wd_car-0.0.12 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rust_rpi_4wd_car 0.0.12 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate rust_rpi_4wd_car 0.0.12 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust_rpi_4wd_car 0.0.12 [INFO] finished tweaking crates.io crate rust_rpi_4wd_car 0.0.12 [INFO] tweaked toml for crates.io crate rust_rpi_4wd_car 0.0.12 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate rust_rpi_4wd_car 0.0.12 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e8600c47efc5adffadd02c0a83de35eb97fd008c986b602018de8322deab1f4 [INFO] running `Command { std: "docker" "start" "-a" "3e8600c47efc5adffadd02c0a83de35eb97fd008c986b602018de8322deab1f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e8600c47efc5adffadd02c0a83de35eb97fd008c986b602018de8322deab1f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e8600c47efc5adffadd02c0a83de35eb97fd008c986b602018de8322deab1f4", kill_on_drop: false }` [INFO] [stdout] 3e8600c47efc5adffadd02c0a83de35eb97fd008c986b602018de8322deab1f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45ea6322ecf71b1b5eef9c34cf97c27a51eea0ebe92b4499520e6310ea067b5d [INFO] running `Command { std: "docker" "start" "-a" "45ea6322ecf71b1b5eef9c34cf97c27a51eea0ebe92b4499520e6310ea067b5d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking rppal v0.12.0 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking ctrlc v3.1.9 [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ctrlc-3.1.9/src/lib.rs:108:16 [INFO] [stdout] | [INFO] [stdout] 108 | .spawn(move || loop { [INFO] [stdout] | ----- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `Builder::spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:381:5 [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 108 ~ .spawn(move || -> /* Type */ { loop { [INFO] [stdout] 109 | unsafe { [INFO] [stdout] ... [INFO] [stdout] 112 | user_handler(); [INFO] [stdout] 113 ~ } }) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ctrlc` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "45ea6322ecf71b1b5eef9c34cf97c27a51eea0ebe92b4499520e6310ea067b5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45ea6322ecf71b1b5eef9c34cf97c27a51eea0ebe92b4499520e6310ea067b5d", kill_on_drop: false }` [INFO] [stdout] 45ea6322ecf71b1b5eef9c34cf97c27a51eea0ebe92b4499520e6310ea067b5d