[INFO] fetching crate atsamd-usb-host 0.2.1... [INFO] checking atsamd-usb-host-0.2.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate atsamd-usb-host 0.2.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate atsamd-usb-host 0.2.1 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 atsamd-usb-host 0.2.1 [INFO] finished tweaking crates.io crate atsamd-usb-host 0.2.1 [INFO] tweaked toml for crates.io crate atsamd-usb-host 0.2.1 written to /workspace/builds/worker-3-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 35 packages [INFO] [stderr] Adding aligned v0.3.5 (latest: v0.4.2) [INFO] [stderr] Adding as-slice v0.1.5 (latest: v0.2.1) [INFO] [stderr] Adding atsamd-hal v0.7.4 (latest: v0.16.0) [INFO] [stderr] Adding atsamd21e18a v0.6.0 (latest: v0.7.1) [INFO] [stderr] Adding atsamd21g18a v0.6.0 (latest: v0.7.1) [INFO] [stderr] Adding atsamd51g19a v0.6.0 (latest: v0.7.1) [INFO] [stderr] Adding atsamd51j19a v0.6.0 (latest: v0.7.1) [INFO] [stderr] Adding atsamd51j20a v0.6.0 (latest: v0.7.1) [INFO] [stderr] Adding bare-metal v0.2.5 (latest: v1.0.0) [INFO] [stderr] Adding bitfield v0.13.2 (latest: v0.14.0) [INFO] [stderr] Adding cortex-m v0.6.7 (latest: v0.7.7) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding generic-array v0.13.3 (latest: v1.0.0) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding paste v0.1.18 (latest: v1.0.14) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [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 rand_core v0.5.1 [INFO] [stderr] Downloaded paste v0.1.18 [INFO] [stderr] Downloaded starb v0.3.1 [INFO] [stderr] Downloaded cortex-m v0.6.7 [INFO] [stderr] Downloaded generic-array v0.12.4 [INFO] [stderr] Downloaded generic-array v0.13.3 [INFO] [stderr] Downloaded stable_deref_trait v1.2.0 [INFO] [stderr] Downloaded as-slice v0.1.5 [INFO] [stderr] Downloaded aligned v0.3.5 [INFO] [stderr] Downloaded paste-impl v0.1.18 [INFO] [stderr] Downloaded atsamd-hal v0.7.4 [INFO] [stderr] Downloaded atsamd51j20a v0.6.0 [INFO] [stderr] Downloaded usb-host v0.1.3 [INFO] [stderr] Downloaded atsamd21e18a v0.6.0 [INFO] [stderr] Downloaded atsamd21g18a v0.6.0 [INFO] [stderr] Downloaded atsamd51j19a v0.6.0 [INFO] [stderr] Downloaded atsamd51g19a v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 65b8134ceca717e6d1761ae202a1a2d4e5dd9fb681162aa90d3787a496fe61af [INFO] running `Command { std: "docker" "start" "-a" "65b8134ceca717e6d1761ae202a1a2d4e5dd9fb681162aa90d3787a496fe61af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65b8134ceca717e6d1761ae202a1a2d4e5dd9fb681162aa90d3787a496fe61af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65b8134ceca717e6d1761ae202a1a2d4e5dd9fb681162aa90d3787a496fe61af", kill_on_drop: false }` [INFO] [stdout] 65b8134ceca717e6d1761ae202a1a2d4e5dd9fb681162aa90d3787a496fe61af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 02f6f2bd01acd991ae935fd8821291888011e94536358788ab9528792b9526d3 [INFO] running `Command { std: "docker" "start" "-a" "02f6f2bd01acd991ae935fd8821291888011e94536358788ab9528792b9526d3", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Compiling atsamd21e18a v0.6.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking usb-host v0.1.3 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking starb v0.3.1 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stderr] Checking aligned v0.3.5 [INFO] [stderr] Checking atsamd-hal v0.7.4 [INFO] [stderr] Checking atsamd-usb-host v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `bank1` is never read [INFO] [stdout] --> src/pipe.rs:722:9 [INFO] [stdout] | [INFO] [stdout] 720 | pub(crate) struct PipeDesc { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 721 | pub bank0: BankDesc, [INFO] [stdout] 722 | pub bank1: BankDesc, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [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 4.87s [INFO] running `Command { std: "docker" "inspect" "02f6f2bd01acd991ae935fd8821291888011e94536358788ab9528792b9526d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02f6f2bd01acd991ae935fd8821291888011e94536358788ab9528792b9526d3", kill_on_drop: false }` [INFO] [stdout] 02f6f2bd01acd991ae935fd8821291888011e94536358788ab9528792b9526d3 [INFO] checking atsamd-usb-host-0.2.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate atsamd-usb-host 0.2.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate atsamd-usb-host 0.2.1 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 atsamd-usb-host 0.2.1 [INFO] finished tweaking crates.io crate atsamd-usb-host 0.2.1 [INFO] tweaked toml for crates.io crate atsamd-usb-host 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4fbf75876f5f738da597ff7ba2dca1cfc0c14ff5863f1853ee9ed2e009396bf2 [INFO] running `Command { std: "docker" "start" "-a" "4fbf75876f5f738da597ff7ba2dca1cfc0c14ff5863f1853ee9ed2e009396bf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fbf75876f5f738da597ff7ba2dca1cfc0c14ff5863f1853ee9ed2e009396bf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fbf75876f5f738da597ff7ba2dca1cfc0c14ff5863f1853ee9ed2e009396bf2", kill_on_drop: false }` [INFO] [stdout] 4fbf75876f5f738da597ff7ba2dca1cfc0c14ff5863f1853ee9ed2e009396bf2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 72032364fb22ef096de9fa9c1f14e8d7884d1ee55efc32c248137b8c81cbfa42 [INFO] running `Command { std: "docker" "start" "-a" "72032364fb22ef096de9fa9c1f14e8d7884d1ee55efc32c248137b8c81cbfa42", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling atsamd21e18a v0.6.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking starb v0.3.1 [INFO] [stderr] Checking usb-host v0.1.3 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.7.7/src/call_asm.rs:19:21 [INFO] [stdout] | [INFO] [stdout] 19 | $func($($args),*) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ cannot satisfy `_ -> _` [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cortex-m-0.7.7/src/asm.rs:189:5 [INFO] [stdout] | [INFO] [stdout] 189 | call_asm!(__bootstrap(msp: u32, rv: u32) -> !); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `call_asm` (in Nightly builds, run with -Z macro-backtrace for more info) [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 E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `cortex-m` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "72032364fb22ef096de9fa9c1f14e8d7884d1ee55efc32c248137b8c81cbfa42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72032364fb22ef096de9fa9c1f14e8d7884d1ee55efc32c248137b8c81cbfa42", kill_on_drop: false }` [INFO] [stdout] 72032364fb22ef096de9fa9c1f14e8d7884d1ee55efc32c248137b8c81cbfa42