[INFO] updating cached repository SiegeEngine/siege-example-client [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/SiegeEngine/siege-example-client [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/SiegeEngine/siege-example-client" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/SiegeEngine/siege-example-client"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/SiegeEngine/siege-example-client'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/SiegeEngine/siege-example-client" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/SiegeEngine/siege-example-client"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/SiegeEngine/siege-example-client'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d63627b04dfcd43a00a0eba49d03bb96989a719f [INFO] sha for GitHub repo SiegeEngine/siege-example-client: d63627b04dfcd43a00a0eba49d03bb96989a719f [INFO] validating manifest of SiegeEngine/siege-example-client on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of SiegeEngine/siege-example-client on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing SiegeEngine/siege-example-client [INFO] finished frobbing SiegeEngine/siege-example-client [INFO] frobbed toml for SiegeEngine/siege-example-client written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/SiegeEngine/siege-example-client/Cargo.toml [INFO] started frobbing SiegeEngine/siege-example-client [INFO] finished frobbing SiegeEngine/siege-example-client [INFO] frobbed toml for SiegeEngine/siege-example-client written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/SiegeEngine/siege-example-client/Cargo.toml [INFO] crate SiegeEngine/siege-example-client already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking SiegeEngine/siege-example-client against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/SiegeEngine/siege-example-client:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 04e4b72279b9bd92d7fccc7faa5b0da55b6af1811f699940a8bdb81de0a1ab53 [INFO] running `"docker" "start" "-a" "04e4b72279b9bd92d7fccc7faa5b0da55b6af1811f699940a8bdb81de0a1ab53"` [INFO] [stderr] Compiling vks v0.21.0 [INFO] [stderr] Checking spiral v0.1.9 [INFO] [stderr] Checking owning_ref v0.2.4 [INFO] [stderr] Checking glsl-to-spirv-macros v0.1.1 [INFO] [stderr] Checking separator v0.3.1 [INFO] [stderr] Compiling cmake v0.1.31 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Compiling zstd-sys v1.4.3+zstd.1.3.4 [INFO] [stderr] Checking stb_truetype v0.2.2 (https://github.com/SiegeEngine/stb_truetype-rs#af0d35d3) [INFO] [stderr] Checking bincode v1.0.0 [INFO] [stderr] Checking toml v0.4.6 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking chrono v0.4.2 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking libloading v0.4.3 [INFO] [stderr] Compiling syn v0.13.7 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Compiling glsl-to-spirv v0.1.4 [INFO] [stderr] Checking rusttype v0.5.2 (https://github.com/SiegeEngine/rusttype#50f287e5) [INFO] [stderr] Checking parking_lot v0.3.8 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking chashmap v2.2.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking ddsfile v0.2.3 [INFO] [stderr] Checking ddsfile v0.3.0-unstable (https://github.com/SiegeEngine/ddsfile#90fdaa21) [INFO] [stderr] Checking winit v0.10.0 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Checking dacite v0.7.0 (https://gitlab.com/mikedilger/dacite.git#0ff09d25) [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Compiling ring v0.12.1 [INFO] [stderr] Compiling serde_derive v1.0.51 [INFO] [stderr] Checking distance-field v0.1.6 [INFO] [stderr] Checking siege-math v0.5.0 (https://github.com/SiegeEngine/siege-math.git#47f70967) [INFO] [stderr] Checking font-atlas v0.1.3 (https://github.com/SiegeEngine/font-atlas#6ae607f7) [INFO] [stderr] Checking siege-net v0.3.1 (https://github.com/SiegeEngine/siege-net.git#994f0bec) [INFO] [stderr] Checking dacite-winit v0.7.0 (https://gitlab.com/mikedilger/dacite.git#0ff09d25) [INFO] [stderr] Checking siege-mesh v0.4.0 (https://github.com/SiegeEngine/siege-mesh.git#b54ce44c) [INFO] [stderr] Checking siege-plugin-avatar-simple v0.1.0 (https://github.com/SiegeEngine/siege-plugin-avatar-simple.git#7f8d90ed) [INFO] [stderr] Checking siege-example-net v0.1.0 (https://github.com/SiegeEngine/siege-example-net.git#ccbf721e) [INFO] [stderr] Checking siege-font v0.1.0 (https://github.com/SiegeEngine/siege-font.git#398f5b28) [INFO] [stderr] Compiling glsl-to-spirv-macros-impl v0.1.0 [INFO] [stderr] Checking zstd-safe v1.4.3+zstd.1.3.4 [INFO] [stderr] Checking zstd v0.4.18+zstd.1.3.4 [INFO] [stderr] Checking siege-render v0.3.0 (https://github.com/SiegeEngine/siege-render.git#1a955991) [INFO] [stderr] Checking siege-example-client v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: the item `ShaderStageFlags` is imported redundantly [INFO] [stderr] --> src/graphics/ui_image.rs:83:48 [INFO] [stderr] | [INFO] [stderr] 6 | FrontFace, ShaderStageFlags, PipelineBindPoint, ImageView, [INFO] [stderr] | ---------------- the item `ShaderStageFlags` is already imported here [INFO] [stderr] ... [INFO] [stderr] 83 | use dacite::core::{DescriptorType, ShaderStageFlags}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `ShaderStageFlags` is imported redundantly [INFO] [stderr] --> src/graphics/text.rs:129:48 [INFO] [stderr] | [INFO] [stderr] 14 | PushConstantRange, ShaderStageFlags, [INFO] [stderr] | ---------------- the item `ShaderStageFlags` is already imported here [INFO] [stderr] ... [INFO] [stderr] 129 | use dacite::core::{DescriptorType, ShaderStageFlags}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Angle` is imported redundantly [INFO] [stderr] --> src/camera.rs:171:22 [INFO] [stderr] | [INFO] [stderr] 3 | use siege_math::{Angle, Point3, Mat3, Mat4, Vec4, NQuat, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ----- the item `Angle` is already imported here [INFO] [stderr] ... [INFO] [stderr] 171 | use siege_math::{Angle, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Y_AXIS_F32` is imported redundantly [INFO] [stderr] --> src/camera.rs:171:29 [INFO] [stderr] | [INFO] [stderr] 3 | use siege_math::{Angle, Point3, Mat3, Mat4, Vec4, NQuat, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ---------- the item `Y_AXIS_F32` is already imported here [INFO] [stderr] ... [INFO] [stderr] 171 | use siege_math::{Angle, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `X_AXIS_F32` is imported redundantly [INFO] [stderr] --> src/camera.rs:171:41 [INFO] [stderr] | [INFO] [stderr] 3 | use siege_math::{Angle, Point3, Mat3, Mat4, Vec4, NQuat, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ---------- the item `X_AXIS_F32` is already imported here [INFO] [stderr] ... [INFO] [stderr] 171 | use siege_math::{Angle, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `ShaderStageFlags` is imported redundantly [INFO] [stderr] --> src/graphics/ui_image.rs:83:48 [INFO] [stderr] | [INFO] [stderr] 6 | FrontFace, ShaderStageFlags, PipelineBindPoint, ImageView, [INFO] [stderr] | ---------------- the item `ShaderStageFlags` is already imported here [INFO] [stderr] ... [INFO] [stderr] 83 | use dacite::core::{DescriptorType, ShaderStageFlags}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `ShaderStageFlags` is imported redundantly [INFO] [stderr] --> src/graphics/text.rs:129:48 [INFO] [stderr] | [INFO] [stderr] 14 | PushConstantRange, ShaderStageFlags, [INFO] [stderr] | ---------------- the item `ShaderStageFlags` is already imported here [INFO] [stderr] ... [INFO] [stderr] 129 | use dacite::core::{DescriptorType, ShaderStageFlags}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Angle` is imported redundantly [INFO] [stderr] --> src/camera.rs:171:22 [INFO] [stderr] | [INFO] [stderr] 3 | use siege_math::{Angle, Point3, Mat3, Mat4, Vec4, NQuat, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ----- the item `Angle` is already imported here [INFO] [stderr] ... [INFO] [stderr] 171 | use siege_math::{Angle, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Y_AXIS_F32` is imported redundantly [INFO] [stderr] --> src/camera.rs:171:29 [INFO] [stderr] | [INFO] [stderr] 3 | use siege_math::{Angle, Point3, Mat3, Mat4, Vec4, NQuat, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ---------- the item `Y_AXIS_F32` is already imported here [INFO] [stderr] ... [INFO] [stderr] 171 | use siege_math::{Angle, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `X_AXIS_F32` is imported redundantly [INFO] [stderr] --> src/camera.rs:171:41 [INFO] [stderr] | [INFO] [stderr] 3 | use siege_math::{Angle, Point3, Mat3, Mat4, Vec4, NQuat, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ---------- the item `X_AXIS_F32` is already imported here [INFO] [stderr] ... [INFO] [stderr] 171 | use siege_math::{Angle, Y_AXIS_F32, X_AXIS_F32}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/errors.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | / error_chain! { [INFO] [stderr] 3 | | types { [INFO] [stderr] 4 | | Error, ErrorKind, ResultExt, Result; [INFO] [stderr] 5 | | } [INFO] [stderr] ... | [INFO] [stderr] 32 | | } [INFO] [stderr] 33 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/errors.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | / error_chain! { [INFO] [stderr] 3 | | types { [INFO] [stderr] 4 | | Error, ErrorKind, ResultExt, Result; [INFO] [stderr] 5 | | } [INFO] [stderr] ... | [INFO] [stderr] 32 | | } [INFO] [stderr] 33 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/graphics/text.rs:339:17 [INFO] [stderr] | [INFO] [stderr] 339 | let mut glyph_cursor_x: f32 = cursor_x + cinfo.pre_draw_advance; // left side bearing [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/graphics/text.rs:340:17 [INFO] [stderr] | [INFO] [stderr] 340 | let mut glyph_cursor_y: f32 = cursor_y + cinfo.height_offset; // height offset [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/errors.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | / error_chain! { [INFO] [stderr] 3 | | types { [INFO] [stderr] 4 | | Error, ErrorKind, ResultExt, Result; [INFO] [stderr] 5 | | } [INFO] [stderr] ... | [INFO] [stderr] 32 | | } [INFO] [stderr] 33 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/errors.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | / error_chain! { [INFO] [stderr] 3 | | types { [INFO] [stderr] 4 | | Error, ErrorKind, ResultExt, Result; [INFO] [stderr] 5 | | } [INFO] [stderr] ... | [INFO] [stderr] 32 | | } [INFO] [stderr] 33 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning[E0597]: `readguard` does not live long enough [INFO] [stderr] --> src/ui/mod.rs:269:29 [INFO] [stderr] | [INFO] [stderr] 254 | impl<'a> Walker<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] ... [INFO] [stderr] 269 | let root_node = &readguard; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | borrowed value does not live long enough [INFO] [stderr] | assignment requires that `readguard` is borrowed for `'a` [INFO] [stderr] ... [INFO] [stderr] 282 | } [INFO] [stderr] | - `readguard` dropped here while still borrowed [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0597]: `readguard` does not live long enough [INFO] [stderr] --> src/ui/mod.rs:293:30 [INFO] [stderr] | [INFO] [stderr] 254 | impl<'a> Walker<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] ... [INFO] [stderr] 293 | let child_node = &readguard; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | borrowed value does not live long enough [INFO] [stderr] | assignment requires that `readguard` is borrowed for `'a` [INFO] [stderr] ... [INFO] [stderr] 304 | } [INFO] [stderr] | - `readguard` dropped here while still borrowed [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/graphics/text.rs:339:17 [INFO] [stderr] | [INFO] [stderr] 339 | let mut glyph_cursor_x: f32 = cursor_x + cinfo.pre_draw_advance; // left side bearing [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/graphics/text.rs:340:17 [INFO] [stderr] | [INFO] [stderr] 340 | let mut glyph_cursor_y: f32 = cursor_y + cinfo.height_offset; // height offset [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning[E0597]: `readguard` does not live long enough [INFO] [stderr] --> src/ui/mod.rs:269:29 [INFO] [stderr] | [INFO] [stderr] 254 | impl<'a> Walker<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] ... [INFO] [stderr] 269 | let root_node = &readguard; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | borrowed value does not live long enough [INFO] [stderr] | assignment requires that `readguard` is borrowed for `'a` [INFO] [stderr] ... [INFO] [stderr] 282 | } [INFO] [stderr] | - `readguard` dropped here while still borrowed [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0597]: `readguard` does not live long enough [INFO] [stderr] --> src/ui/mod.rs:293:30 [INFO] [stderr] | [INFO] [stderr] 254 | impl<'a> Walker<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] ... [INFO] [stderr] 293 | let child_node = &readguard; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | borrowed value does not live long enough [INFO] [stderr] | assignment requires that `readguard` is borrowed for `'a` [INFO] [stderr] ... [INFO] [stderr] 304 | } [INFO] [stderr] | - `readguard` dropped here while still borrowed [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 47s [INFO] running `"docker" "inspect" "04e4b72279b9bd92d7fccc7faa5b0da55b6af1811f699940a8bdb81de0a1ab53"` [INFO] running `"docker" "rm" "-f" "04e4b72279b9bd92d7fccc7faa5b0da55b6af1811f699940a8bdb81de0a1ab53"` [INFO] [stdout] 04e4b72279b9bd92d7fccc7faa5b0da55b6af1811f699940a8bdb81de0a1ab53