[INFO] cloning repository https://github.com/shakyShane/bs-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shakyShane/bs-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fbs-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fbs-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fd7101c81c20192b89a751e65494bdf112c56a9a [INFO] checking shakyShane/bs-rust against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fbs-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shakyShane/bs-rust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shakyShane/bs-rust [INFO] finished tweaking git repo https://github.com/shakyShane/bs-rust [INFO] tweaked toml for git repo https://github.com/shakyShane/bs-rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/shakyShane/bs-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 13b826fd379bdf6a1d2eeca176c0a09b03ca084d989ba10b75ea9d95964fe839 [INFO] running `Command { std: "docker" "start" "-a" "13b826fd379bdf6a1d2eeca176c0a09b03ca084d989ba10b75ea9d95964fe839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13b826fd379bdf6a1d2eeca176c0a09b03ca084d989ba10b75ea9d95964fe839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13b826fd379bdf6a1d2eeca176c0a09b03ca084d989ba10b75ea9d95964fe839", kill_on_drop: false }` [INFO] [stdout] 13b826fd379bdf6a1d2eeca176c0a09b03ca084d989ba10b75ea9d95964fe839 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ef9b201b57849b16d7277e59a43970ec01475c3f6568d85d73fce33a9094f1f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3ef9b201b57849b16d7277e59a43970ec01475c3f6568d85d73fce33a9094f1f", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling openssl v0.10.14 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Checking linked-hash-map v0.4.2 [INFO] [stderr] Checking string v0.1.1 [INFO] [stderr] Checking indexmap v1.0.1 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.1 [INFO] [stderr] Compiling encoding_rs v0.8.10 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking htmlescape v0.3.1 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking ratel v0.7.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling ring v0.13.2 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking lru-cache v0.1.1 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling actix-web v0.7.13 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking resolv-conf v0.6.1 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking serde_yaml v0.8.6 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking tower-service v0.1.0 [INFO] [stderr] Checking tokio-io v0.1.9 [INFO] [stderr] Checking http v0.1.13 [INFO] [stderr] Compiling from_file_derive v0.1.0 (/opt/rustwide/workdir/from_file_derive) [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Checking tokio-current-thread v0.1.3 [INFO] [stderr] Checking flate2 v1.0.4 [INFO] [stderr] Checking libflate v0.1.18 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking url v1.7.1 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking from_file v0.1.0 (/opt/rustwide/workdir/from-file) [INFO] [stderr] Checking error-chain v0.1.12 [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> from-file/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Checking tokio-threadpool v0.1.7 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rjs v0.1.0 (/opt/rustwide/workdir/rjs-parse) [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking serde_urlencoded v0.5.3 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stdout] warning: unused import: `bundle_config::BundleConfig` [INFO] [stdout] --> rjs-parse/src/client_config.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use bundle_config::BundleConfig; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `modules` [INFO] [stdout] --> rjs-parse/src/client_config.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use modules; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio-fs v0.1.3 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rjs-parse/src/parse.rs:208:29 [INFO] [stdout] | [INFO] [stdout] 208 | let mut map_item = output [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rjs-parse/src/parse.rs:221:49 [INFO] [stdout] | [INFO] [stdout] 221 | ... let mut inner_map_item = map_item [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> rjs-parse/src/parse.rs:308:29 [INFO] [stdout] | [INFO] [stdout] 308 | let mut map_item = [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.2 [INFO] [stderr] Checking tokio-signal v0.2.5 [INFO] [stderr] Checking cookie v0.11.0 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking trust-dns-proto v0.4.3 [INFO] [stderr] Checking h2 v0.1.13 [INFO] [stderr] Checking tokio-openssl v0.2.1 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking trust-dns-resolver v0.9.1 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Checking hyper v0.12.12 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Compiling actix_derive v0.3.0 [INFO] [stderr] Checking reqwest v0.9.3 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Checking trust-dns-proto v0.5.0-alpha.5 [INFO] [stderr] Checking actix v0.7.5 [INFO] [stderr] Checking trust-dns-resolver v0.10.0-alpha.3 [INFO] [stderr] Checking actix-net v0.1.1 [INFO] [stderr] Checking bs_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/presets/m2/preset_m2.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | pub type FutResp = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/proxy_transform.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/setup.rs:18:42 [INFO] [stdout] | [INFO] [stdout] 18 | pub type PresetsMap = HashMap>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Preset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/with_body.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/without_body.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/without_body.rs:77:10 [INFO] [stdout] | [INFO] [stdout] 77 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/without_body.rs:102:10 [INFO] [stdout] | [INFO] [stdout] 102 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/presets/m2/preset_m2.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | pub type FutResp = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/proxy_transform.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/setup.rs:18:42 [INFO] [stdout] | [INFO] [stdout] 18 | pub type PresetsMap = HashMap>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Preset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/with_body.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/without_body.rs:25:10 [INFO] [stdout] | [INFO] [stdout] 25 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/without_body.rs:77:10 [INFO] [stdout] | [INFO] [stdout] 77 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib/without_body.rs:102:10 [INFO] [stdout] | [INFO] [stdout] 102 | ) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/presets/m2/state.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | let mut c = client_config.paths.clone(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/presets/m2/state.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | let mut c = client_config.paths.clone(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 56s [INFO] running `Command { std: "docker" "inspect" "3ef9b201b57849b16d7277e59a43970ec01475c3f6568d85d73fce33a9094f1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ef9b201b57849b16d7277e59a43970ec01475c3f6568d85d73fce33a9094f1f", kill_on_drop: false }` [INFO] [stdout] 3ef9b201b57849b16d7277e59a43970ec01475c3f6568d85d73fce33a9094f1f