[INFO] fetching crate cargo-dfu 0.1.2... [INFO] checking cargo-dfu-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate cargo-dfu 0.1.2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate cargo-dfu 0.1.2 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 cargo-dfu 0.1.2 [INFO] finished tweaking crates.io crate cargo-dfu 0.1.2 [INFO] tweaked toml for crates.io crate cargo-dfu 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate cargo-dfu 0.1.2 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 scroll_derive v0.10.5 [INFO] [stderr] Downloaded plain v0.2.3 [INFO] [stderr] Downloaded scroll v0.10.2 [INFO] [stderr] Downloaded rusb v0.9.0 [INFO] [stderr] Downloaded rustc-cfg v0.4.0 [INFO] [stderr] Downloaded dfu-core v0.4.2 [INFO] [stderr] Downloaded dfu-libusb v0.3.0 [INFO] [stderr] Downloaded pretty_env_logger v0.3.1 [INFO] [stderr] Downloaded cargo-project v0.2.7 [INFO] [stderr] Downloaded displaydoc v0.2.3 [INFO] [stderr] Downloaded clap_derive v3.0.6 [INFO] [stderr] Downloaded goblin v0.2.3 [INFO] [stderr] Downloaded backtrace v0.3.63 [INFO] [stderr] Downloaded clap v3.0.10 [INFO] [stderr] Downloaded object v0.27.1 [INFO] [stderr] Downloaded libusb1-sys v0.6.0 [INFO] [stderr] Downloaded gimli v0.26.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 11ca6290f276d01690ad990cdd2307c135185ea9206cf73a51b7724c3cb3e66c [INFO] running `Command { std: "docker" "start" "-a" "11ca6290f276d01690ad990cdd2307c135185ea9206cf73a51b7724c3cb3e66c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11ca6290f276d01690ad990cdd2307c135185ea9206cf73a51b7724c3cb3e66c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11ca6290f276d01690ad990cdd2307c135185ea9206cf73a51b7724c3cb3e66c", kill_on_drop: false }` [INFO] [stdout] 11ca6290f276d01690ad990cdd2307c135185ea9206cf73a51b7724c3cb3e66c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b7ffda65d6e1919affb1f5e7e33a0a73b6bf394dbcc9ad50645ca25e0006cfa6 [INFO] running `Command { std: "docker" "start" "-a" "b7ffda65d6e1919affb1f5e7e33a0a73b6bf394dbcc9ad50645ca25e0006cfa6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling rusb v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking pretty-hex v0.3.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling libusb1-sys v0.6.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling scroll_derive v0.10.5 [INFO] [stderr] Compiling displaydoc v0.2.3 [INFO] [stderr] Compiling clap_derive v3.0.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking scroll v0.10.2 [INFO] [stderr] Checking rustc-cfg v0.4.0 [INFO] [stderr] Checking goblin v0.2.3 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking dfu-core v0.4.2 [INFO] [stderr] Checking dfu-libusb v0.3.0 [INFO] [stderr] Checking clap v3.0.10 [INFO] [stderr] Checking cargo-project v0.2.7 [INFO] [stderr] Checking cargo-dfu v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/utils.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | Elf(goblin::error::Error), [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | Elf(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/utils.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | Dfu(dfu_libusb::Error), [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | Dfu(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/utils.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | File(std::io::Error), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | File(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/utils.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | Elf(goblin::error::Error), [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 9 | Elf(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/utils.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | Dfu(dfu_libusb::Error), [INFO] [stdout] | --- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 | Dfu(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/utils.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | File(std::io::Error), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | File(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.46s [INFO] running `Command { std: "docker" "inspect" "b7ffda65d6e1919affb1f5e7e33a0a73b6bf394dbcc9ad50645ca25e0006cfa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7ffda65d6e1919affb1f5e7e33a0a73b6bf394dbcc9ad50645ca25e0006cfa6", kill_on_drop: false }` [INFO] [stdout] b7ffda65d6e1919affb1f5e7e33a0a73b6bf394dbcc9ad50645ca25e0006cfa6