[INFO] fetching crate euphony-command 0.1.1... [INFO] checking euphony-command-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate euphony-command 0.1.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate euphony-command 0.1.1 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 crates.io crate euphony-command 0.1.1 [INFO] finished tweaking crates.io crate euphony-command 0.1.1 [INFO] tweaked toml for crates.io crate euphony-command 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 100 packages [INFO] [stderr] Adding arr_macro v0.1.3 (latest: v0.2.1) [INFO] [stderr] Adding arr_macro_impl v0.1.3 (latest: v0.2.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bolero v0.7.0 (latest: v0.10.1) [INFO] [stderr] Adding bolero-afl v0.7.0 (latest: v0.10.0) [INFO] [stderr] Adding bolero-engine v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding bolero-generator v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding bolero-generator-derive v0.7.0 (latest: v0.10.0) [INFO] [stderr] Adding bolero-honggfuzz v0.7.0 (latest: v0.10.0) [INFO] [stderr] Adding bolero-kani v0.7.0 (latest: v0.10.0) [INFO] [stderr] Adding bolero-libfuzzer v0.7.0 (latest: v0.10.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding crossbeam-channel v0.4.4 (latest: v0.5.12) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding libtest-mimic v0.3.0 (latest: v0.7.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding pretty-hex v0.2.1 (latest: v0.4.1) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] Downloading crates ... [INFO] [stderr] Downloaded bolero v0.7.0 [INFO] [stderr] Downloaded libtest-mimic v0.3.0 [INFO] [stderr] Downloaded bolero-generator-derive v0.7.0 [INFO] [stderr] Downloaded pretty-hex v0.2.1 [INFO] [stderr] Downloaded bolero-kani v0.7.0 [INFO] [stderr] Downloaded arr_macro_impl v0.1.3 [INFO] [stderr] Downloaded arr_macro v0.1.3 [INFO] [stderr] Downloaded bolero-engine v0.7.0 [INFO] [stderr] Downloaded bolero-generator v0.7.0 [INFO] [stderr] Downloaded intrusive-collections v0.9.6 [INFO] [stderr] Downloaded bach v0.0.6 [INFO] [stderr] Downloaded bolero-afl v0.7.0 [INFO] [stderr] Downloaded bolero-libfuzzer v0.7.0 [INFO] [stderr] Downloaded bolero-honggfuzz v0.7.0 [INFO] [stderr] Downloaded crossbeam-channel v0.4.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 72bd2b1112816f2319114dda1a18ea323de4671e1817ae805566eecbd59f0529 [INFO] running `Command { std: "docker" "start" "-a" "72bd2b1112816f2319114dda1a18ea323de4671e1817ae805566eecbd59f0529", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72bd2b1112816f2319114dda1a18ea323de4671e1817ae805566eecbd59f0529", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72bd2b1112816f2319114dda1a18ea323de4671e1817ae805566eecbd59f0529", kill_on_drop: false }` [INFO] [stdout] 72bd2b1112816f2319114dda1a18ea323de4671e1817ae805566eecbd59f0529 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e01066dc6040d554475dc7c915b36ea5651307886a30d50ca8a34356b2e7ee2d [INFO] running `Command { std: "docker" "start" "-a" "e01066dc6040d554475dc7c915b36ea5651307886a30d50ca8a34356b2e7ee2d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling bolero-generator-derive v0.7.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking async-task v4.7.0 [INFO] [stderr] Checking pretty-hex v0.2.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking intrusive-collections v0.9.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Compiling arr_macro_impl v0.1.3 [INFO] [stderr] Checking bolero-generator v0.7.0 [INFO] [stderr] Checking arr_macro v0.1.3 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking bach v0.0.6 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking libtest-mimic v0.3.0 [INFO] [stderr] Checking euphony-command v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `write_u16` is never used [INFO] [stdout] --> src/lib.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 145 | trait WriteExt { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 146 | fn write_u8(&mut self, value: u8) -> io::Result<()>; [INFO] [stdout] 147 | fn write_u16(&mut self, value: u16) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_u16` is never used [INFO] [stdout] --> src/lib.rs:180:8 [INFO] [stdout] | [INFO] [stdout] 178 | trait ReadExt { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 179 | fn read_u8(&mut self) -> io::Result; [INFO] [stdout] 180 | fn read_u16(&mut self) -> io::Result; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bolero-engine v0.7.0 [INFO] [stderr] Checking bolero v0.7.0 [INFO] [stdout] warning: method `write_u16` is never used [INFO] [stdout] --> src/lib.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 145 | trait WriteExt { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 146 | fn write_u8(&mut self, value: u8) -> io::Result<()>; [INFO] [stdout] 147 | fn write_u16(&mut self, value: u16) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_u16` is never used [INFO] [stdout] --> src/lib.rs:180:8 [INFO] [stdout] | [INFO] [stdout] 178 | trait ReadExt { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 179 | fn read_u8(&mut self) -> io::Result; [INFO] [stdout] 180 | fn read_u16(&mut self) -> io::Result; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.66s [INFO] running `Command { std: "docker" "inspect" "e01066dc6040d554475dc7c915b36ea5651307886a30d50ca8a34356b2e7ee2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e01066dc6040d554475dc7c915b36ea5651307886a30d50ca8a34356b2e7ee2d", kill_on_drop: false }` [INFO] [stdout] e01066dc6040d554475dc7c915b36ea5651307886a30d50ca8a34356b2e7ee2d [INFO] checking euphony-command-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate euphony-command 0.1.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate euphony-command 0.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate euphony-command 0.1.1 [INFO] finished tweaking crates.io crate euphony-command 0.1.1 [INFO] tweaked toml for crates.io crate euphony-command 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb006fe4ab7001006f7b5b3d57999601ce7d49bdaf6d71ee9f1ad68107950f7f [INFO] running `Command { std: "docker" "start" "-a" "eb006fe4ab7001006f7b5b3d57999601ce7d49bdaf6d71ee9f1ad68107950f7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb006fe4ab7001006f7b5b3d57999601ce7d49bdaf6d71ee9f1ad68107950f7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb006fe4ab7001006f7b5b3d57999601ce7d49bdaf6d71ee9f1ad68107950f7f", kill_on_drop: false }` [INFO] [stdout] eb006fe4ab7001006f7b5b3d57999601ce7d49bdaf6d71ee9f1ad68107950f7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f9d85ee2d677f995961b28378fb0108270465eaf2dcd70885a2808455e687a2 [INFO] running `Command { std: "docker" "start" "-a" "0f9d85ee2d677f995961b28378fb0108270465eaf2dcd70885a2808455e687a2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling bolero-generator-derive v0.7.0 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking pretty-hex v0.2.1 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking async-task v4.7.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking intrusive-collections v0.9.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking bolero-generator v0.7.0 [INFO] [stderr] Compiling arr_macro_impl v0.1.3 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking arr_macro v0.1.3 [INFO] [stderr] Checking bach v0.0.6 [INFO] [stderr] Checking euphony-command v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `write_u16` is never used [INFO] [stdout] --> src/lib.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 145 | trait WriteExt { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 146 | fn write_u8(&mut self, value: u8) -> io::Result<()>; [INFO] [stdout] 147 | fn write_u16(&mut self, value: u16) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_u16` is never used [INFO] [stdout] --> src/lib.rs:180:8 [INFO] [stdout] | [INFO] [stdout] 178 | trait ReadExt { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 179 | fn read_u8(&mut self) -> io::Result; [INFO] [stdout] 180 | fn read_u16(&mut self) -> io::Result; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking libtest-mimic v0.3.0 [INFO] [stderr] Checking bolero-engine v0.7.0 [INFO] [stderr] Checking bolero v0.7.0 [INFO] [stdout] warning: method `write_u16` is never used [INFO] [stdout] --> src/lib.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 145 | trait WriteExt { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 146 | fn write_u8(&mut self, value: u8) -> io::Result<()>; [INFO] [stdout] 147 | fn write_u16(&mut self, value: u16) -> io::Result<()>; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_u16` is never used [INFO] [stdout] --> src/lib.rs:180:8 [INFO] [stdout] | [INFO] [stdout] 178 | trait ReadExt { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 179 | fn read_u8(&mut self) -> io::Result; [INFO] [stdout] 180 | fn read_u16(&mut self) -> io::Result; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s [INFO] running `Command { std: "docker" "inspect" "0f9d85ee2d677f995961b28378fb0108270465eaf2dcd70885a2808455e687a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f9d85ee2d677f995961b28378fb0108270465eaf2dcd70885a2808455e687a2", kill_on_drop: false }` [INFO] [stdout] 0f9d85ee2d677f995961b28378fb0108270465eaf2dcd70885a2808455e687a2