[INFO] cloning repository https://github.com/Jos635/cz2020-usbtool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jos635/cz2020-usbtool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJos635%2Fcz2020-usbtool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJos635%2Fcz2020-usbtool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec80516989d4e0c53e5de536848d6103695d3376 [INFO] checking Jos635/cz2020-usbtool against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJos635%2Fcz2020-usbtool" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jos635/cz2020-usbtool on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Jos635/cz2020-usbtool [INFO] finished tweaking git repo https://github.com/Jos635/cz2020-usbtool [INFO] tweaked toml for git repo https://github.com/Jos635/cz2020-usbtool written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Jos635/cz2020-usbtool 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded thiserror v1.0.20 [INFO] [stderr] Downloaded thiserror-impl v1.0.20 [INFO] [stderr] Downloaded thread-scoped v1.0.2 [INFO] [stderr] Downloaded filetime v0.2.11 [INFO] [stderr] Downloaded vcpkg v0.2.10 [INFO] [stderr] Downloaded fuse v0.3.1 [INFO] [stderr] Downloaded tar v0.4.29 [INFO] [stderr] Downloaded termios v0.3.2 [INFO] [stderr] Downloaded syn v1.0.36 [INFO] [stderr] Downloaded libusb1-sys v0.3.7 [INFO] [stderr] Downloaded rusb v0.6.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d57ca5cb0bd21f8520bcf4904e6b5309d9c69a2c77772d7655957a159fe45e8 [INFO] running `Command { std: "docker" "start" "-a" "3d57ca5cb0bd21f8520bcf4904e6b5309d9c69a2c77772d7655957a159fe45e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d57ca5cb0bd21f8520bcf4904e6b5309d9c69a2c77772d7655957a159fe45e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d57ca5cb0bd21f8520bcf4904e6b5309d9c69a2c77772d7655957a159fe45e8", kill_on_drop: false }` [INFO] [stdout] 3d57ca5cb0bd21f8520bcf4904e6b5309d9c69a2c77772d7655957a159fe45e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f1d53dd46bc5c090b882e81081032094b0a5f8a614d696f27449a2240917720 [INFO] running `Command { std: "docker" "start" "-a" "0f1d53dd46bc5c090b882e81081032094b0a5f8a614d696f27449a2240917720", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling rle-decode-fast v1.0.1 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling libflate v0.1.27 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling fuse v0.3.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling filetime v0.2.11 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking slice-deque v0.2.4 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling tar v0.4.29 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Compiling libusb1-sys v0.3.7 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking rusb v0.6.2 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking structopt v0.3.15 [INFO] [stderr] Checking cz2020-usbtool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/fs.rs:960:33 [INFO] [stdout] | [INFO] [stdout] 960 | ... drop(contents); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Vec` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/fs.rs:960:33 [INFO] [stdout] | [INFO] [stdout] 960 | ... drop(contents); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Vec` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` 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 23.23s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "0f1d53dd46bc5c090b882e81081032094b0a5f8a614d696f27449a2240917720", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f1d53dd46bc5c090b882e81081032094b0a5f8a614d696f27449a2240917720", kill_on_drop: false }` [INFO] [stdout] 0f1d53dd46bc5c090b882e81081032094b0a5f8a614d696f27449a2240917720 [INFO] checking Jos635/cz2020-usbtool against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJos635%2Fcz2020-usbtool" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jos635/cz2020-usbtool on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Jos635/cz2020-usbtool [INFO] finished tweaking git repo https://github.com/Jos635/cz2020-usbtool [INFO] tweaked toml for git repo https://github.com/Jos635/cz2020-usbtool written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Jos635/cz2020-usbtool 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1518a4fe4f50f2454682a95566dcff80ec211f63f2b44c1438fa809b7b34fc8d [INFO] running `Command { std: "docker" "start" "-a" "1518a4fe4f50f2454682a95566dcff80ec211f63f2b44c1438fa809b7b34fc8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1518a4fe4f50f2454682a95566dcff80ec211f63f2b44c1438fa809b7b34fc8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1518a4fe4f50f2454682a95566dcff80ec211f63f2b44c1438fa809b7b34fc8d", kill_on_drop: false }` [INFO] [stdout] 1518a4fe4f50f2454682a95566dcff80ec211f63f2b44c1438fa809b7b34fc8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 460dc72ae05daa16e6caa3118e5f86fbe407df5c89a2681c2d374a7d2a9e4711 [INFO] running `Command { std: "docker" "start" "-a" "460dc72ae05daa16e6caa3118e5f86fbe407df5c89a2681c2d374a7d2a9e4711", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling rle-decode-fast v1.0.1 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling libflate v0.1.27 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling fuse v0.3.1 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling filetime v0.2.11 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling tar v0.4.29 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking slice-deque v0.2.4 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Compiling libusb1-sys v0.3.7 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking rusb v0.6.2 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Checking structopt v0.3.15 [INFO] [stderr] Checking cz2020-usbtool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/fs.rs:960:33 [INFO] [stdout] | [INFO] [stdout] 960 | ... drop(contents); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Vec` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/fs.rs:960:33 [INFO] [stdout] | [INFO] [stdout] 960 | ... drop(contents); [INFO] [stdout] | ^^^^^--------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Vec` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` 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 15.99s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "460dc72ae05daa16e6caa3118e5f86fbe407df5c89a2681c2d374a7d2a9e4711", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "460dc72ae05daa16e6caa3118e5f86fbe407df5c89a2681c2d374a7d2a9e4711", kill_on_drop: false }` [INFO] [stdout] 460dc72ae05daa16e6caa3118e5f86fbe407df5c89a2681c2d374a7d2a9e4711