[INFO] fetching crate usbip-device 0.2.0... [INFO] checking usbip-device-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate usbip-device 0.2.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate usbip-device 0.2.0 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 usbip-device 0.2.0 [INFO] finished tweaking crates.io crate usbip-device 0.2.0 [INFO] tweaked toml for crates.io crate usbip-device 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate usbip-device 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded usbd-serial v0.2.0 [INFO] [stderr] Downloaded usbd-hid v0.7.0 [INFO] [stderr] Downloaded usb-device v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1c06318934dc1a42604d85034fd656528084c06a57d0a13a1bd7f32bda8b5dca [INFO] running `Command { std: "docker" "start" "-a" "1c06318934dc1a42604d85034fd656528084c06a57d0a13a1bd7f32bda8b5dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c06318934dc1a42604d85034fd656528084c06a57d0a13a1bd7f32bda8b5dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c06318934dc1a42604d85034fd656528084c06a57d0a13a1bd7f32bda8b5dca", kill_on_drop: false }` [INFO] [stdout] 1c06318934dc1a42604d85034fd656528084c06a57d0a13a1bd7f32bda8b5dca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9415e2df38bb2125be651c7fbeb11cc2b626613c9286b9f035fa296aac0b0167 [INFO] running `Command { std: "docker" "start" "-a" "9415e2df38bb2125be651c7fbeb11cc2b626613c9286b9f035fa296aac0b0167", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling portable-atomic v1.5.1 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Compiling usbd-hid-descriptors v0.1.2 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling heapless v0.7.16 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking ssmarshal v1.0.0 [INFO] [stderr] Compiling num_enum_derive v0.6.1 [INFO] [stderr] Checking num_enum v0.6.1 [INFO] [stderr] Checking usb-device v0.3.1 [INFO] [stderr] Checking usbd-serial v0.2.0 [INFO] [stderr] Checking usbip-device v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `start_frame`, `number_of_packets`, and `interval` are never read [INFO] [stdout] --> src/request.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub struct UsbIpCmdSubmit { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 106 | pub start_frame: i32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 107 | pub number_of_packets: i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 108 | pub interval: i32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsbIpCmdSubmit` has a derived impl for the trait `Clone`, 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling usbd-hid-macros v0.6.0 [INFO] [stderr] Checking usbd-hid v0.7.0 [INFO] [stdout] warning: the item `StringDescriptors` is imported redundantly [INFO] [stdout] --> examples/twitching_mouse.rs:4:40 [INFO] [stdout] | [INFO] [stdout] 4 | use usb_device::{bus::UsbBusAllocator, device::StringDescriptors, prelude::*}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ---------- the item `StringDescriptors` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `StringDescriptors` is imported redundantly [INFO] [stdout] --> examples/serial_echo.rs:6:40 [INFO] [stdout] | [INFO] [stdout] 6 | use usb_device::{bus::UsbBusAllocator, device::StringDescriptors, prelude::*}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ---------- the item `StringDescriptors` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start_frame`, `number_of_packets`, and `interval` are never read [INFO] [stdout] --> src/request.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 103 | pub struct UsbIpCmdSubmit { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 106 | pub start_frame: i32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 107 | pub number_of_packets: i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 108 | pub interval: i32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsbIpCmdSubmit` has a derived impl for the trait `Clone`, 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.28s [INFO] running `Command { std: "docker" "inspect" "9415e2df38bb2125be651c7fbeb11cc2b626613c9286b9f035fa296aac0b0167", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9415e2df38bb2125be651c7fbeb11cc2b626613c9286b9f035fa296aac0b0167", kill_on_drop: false }` [INFO] [stdout] 9415e2df38bb2125be651c7fbeb11cc2b626613c9286b9f035fa296aac0b0167 [INFO] checking usbip-device-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate usbip-device 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate usbip-device 0.2.0 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 usbip-device 0.2.0 [INFO] finished tweaking crates.io crate usbip-device 0.2.0 [INFO] tweaked toml for crates.io crate usbip-device 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate usbip-device 0.2.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 156c55547f002b1cfcad5d349d0749903399c1772f2bd39d4fa84169bad747a4 [INFO] running `Command { std: "docker" "start" "-a" "156c55547f002b1cfcad5d349d0749903399c1772f2bd39d4fa84169bad747a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "156c55547f002b1cfcad5d349d0749903399c1772f2bd39d4fa84169bad747a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "156c55547f002b1cfcad5d349d0749903399c1772f2bd39d4fa84169bad747a4", kill_on_drop: false }` [INFO] [stdout] 156c55547f002b1cfcad5d349d0749903399c1772f2bd39d4fa84169bad747a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 75f6411ac69d4d16cee9911fb312b440928c62bc8dd57f99cca0ff35f0d39734 [INFO] running `Command { std: "docker" "start" "-a" "75f6411ac69d4d16cee9911fb312b440928c62bc8dd57f99cca0ff35f0d39734", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Compiling portable-atomic v1.5.1 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Compiling usbd-hid-descriptors v0.1.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.6.0/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling heapless v0.7.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "75f6411ac69d4d16cee9911fb312b440928c62bc8dd57f99cca0ff35f0d39734", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75f6411ac69d4d16cee9911fb312b440928c62bc8dd57f99cca0ff35f0d39734", kill_on_drop: false }` [INFO] [stdout] 75f6411ac69d4d16cee9911fb312b440928c62bc8dd57f99cca0ff35f0d39734