[INFO] fetching crate image 0.23.14... [INFO] checking image-0.23.14 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] extracting crate image 0.23.14 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate image 0.23.14 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate image 0.23.14 [INFO] finished tweaking crates.io crate image 0.23.14 [INFO] tweaked toml for crates.io crate image 0.23.14 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate image 0.23.14 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 231893898b617523d8df40f6e4eaf8593ba82335062344772fe2fe1530509a38 [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" "231893898b617523d8df40f6e4eaf8593ba82335062344772fe2fe1530509a38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "231893898b617523d8df40f6e4eaf8593ba82335062344772fe2fe1530509a38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "231893898b617523d8df40f6e4eaf8593ba82335062344772fe2fe1530509a38", kill_on_drop: false }` [INFO] [stdout] 231893898b617523d8df40f6e4eaf8593ba82335062344772fe2fe1530509a38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd8531c9139e658ae049ee2b9a55c91132b94a5f259497dac024d6376494d93e [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" "fd8531c9139e658ae049ee2b9a55c91132b94a5f259497dac024d6376494d93e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling syn v1.0.56 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking adler v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `flags` [INFO] [stdout] --> src/codecs/dds.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | flags: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pitch_or_linear_size` [INFO] [stdout] --> src/codecs/dds.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | pitch_or_linear_size: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `depth` [INFO] [stdout] --> src/codecs/dds.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | depth: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `mipmap_count` [INFO] [stdout] --> src/codecs/dds.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | mipmap_count: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `caps` [INFO] [stdout] --> src/codecs/dds.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | caps: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `caps2` [INFO] [stdout] --> src/codecs/dds.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | caps2: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rgb_bit_count` [INFO] [stdout] --> src/codecs/dds.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | rgb_bit_count: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r_bit_mask` [INFO] [stdout] --> src/codecs/dds.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | r_bit_mask: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `g_bit_mask` [INFO] [stdout] --> src/codecs/dds.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | g_bit_mask: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b_bit_mask` [INFO] [stdout] --> src/codecs/dds.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | b_bit_mask: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a_bit_mask` [INFO] [stdout] --> src/codecs/dds.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | a_bit_mask: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/buffer.rs:1340:20 [INFO] [stdout] | [INFO] [stdout] 1340 | *val = color::Rgb([42, 0, 0]); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | #![warn(unused_qualifications)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `flags` [INFO] [stdout] --> src/codecs/dds.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | flags: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pitch_or_linear_size` [INFO] [stdout] --> src/codecs/dds.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | pitch_or_linear_size: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `depth` [INFO] [stdout] --> src/codecs/dds.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | depth: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `mipmap_count` [INFO] [stdout] --> src/codecs/dds.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | mipmap_count: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `caps` [INFO] [stdout] --> src/codecs/dds.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | caps: u32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `caps2` [INFO] [stdout] --> src/codecs/dds.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | caps2: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rgb_bit_count` [INFO] [stdout] --> src/codecs/dds.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | rgb_bit_count: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r_bit_mask` [INFO] [stdout] --> src/codecs/dds.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | r_bit_mask: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `g_bit_mask` [INFO] [stdout] --> src/codecs/dds.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | g_bit_mask: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b_bit_mask` [INFO] [stdout] --> src/codecs/dds.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | b_bit_mask: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a_bit_mask` [INFO] [stdout] --> src/codecs/dds.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | a_bit_mask: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/imageops/affine.rs:290:24 [INFO] [stdout] | [INFO] [stdout] 290 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 303 | assert_pixels_eq!(&rotate90(&image), &expected); [INFO] [stdout] | ------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `assert_pixels_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 290 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/imageops/affine.rs:290:24 [INFO] [stdout] | [INFO] [stdout] 290 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 314 | assert_pixels_eq!(&rotate180(&image), &expected); [INFO] [stdout] | ------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `assert_pixels_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 290 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/imageops/affine.rs:290:24 [INFO] [stdout] | [INFO] [stdout] 290 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 325 | assert_pixels_eq!(&rotate270(&image), &expected); [INFO] [stdout] | ------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `assert_pixels_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 290 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/imageops/affine.rs:290:24 [INFO] [stdout] | [INFO] [stdout] 290 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 338 | assert_pixels_eq!(&image, &expected); [INFO] [stdout] | ------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `assert_pixels_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 290 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/imageops/affine.rs:290:24 [INFO] [stdout] | [INFO] [stdout] 290 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 349 | assert_pixels_eq!(&flip_horizontal(&image), &expected); [INFO] [stdout] | ------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `assert_pixels_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 290 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/imageops/affine.rs:290:24 [INFO] [stdout] | [INFO] [stdout] 290 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 360 | assert_pixels_eq!(&flip_vertical(&image), &expected); [INFO] [stdout] | ----------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `assert_pixels_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 290 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/imageops/affine.rs:290:24 [INFO] [stdout] | [INFO] [stdout] 290 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 373 | assert_pixels_eq!(&image, &expected); [INFO] [stdout] | ------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `assert_pixels_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 290 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/imageops/affine.rs:290:24 [INFO] [stdout] | [INFO] [stdout] 290 | panic!(err) [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 386 | assert_pixels_eq!(&image, &expected); [INFO] [stdout] | ------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `assert_pixels_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 290 | panic!("{}", err) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/imageops/sample.rs:904:21 [INFO] [stdout] | [INFO] [stdout] 904 | format!("alpha value: {}, {:?}", alpha, filter) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 904 - format!("alpha value: {}, {:?}", alpha, filter) [INFO] [stdout] 904 + "alpha value: {}, {:?}", alpha, filter [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" "fd8531c9139e658ae049ee2b9a55c91132b94a5f259497dac024d6376494d93e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd8531c9139e658ae049ee2b9a55c91132b94a5f259497dac024d6376494d93e", kill_on_drop: false }` [INFO] [stdout] fd8531c9139e658ae049ee2b9a55c91132b94a5f259497dac024d6376494d93e