[INFO] fetching crate png2aa 0.1.2... [INFO] testing png2aa-0.1.2 against 1.60.0 for beta-1.61-1 [INFO] extracting crate png2aa 0.1.2 into /workspace/builds/worker-18/source [INFO] validating manifest of crates.io crate png2aa 0.1.2 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate png2aa 0.1.2 [INFO] finished tweaking crates.io crate png2aa 0.1.2 [INFO] tweaked toml for crates.io crate png2aa 0.1.2 written to /workspace/builds/worker-18/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ndarray v0.10.14 [INFO] [stderr] Downloaded string-error v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32a9d9015daef146a83f13385535ad0454a43f852c9e13a5a6879469d80306a4 [INFO] running `Command { std: "docker" "start" "-a" "32a9d9015daef146a83f13385535ad0454a43f852c9e13a5a6879469d80306a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32a9d9015daef146a83f13385535ad0454a43f852c9e13a5a6879469d80306a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32a9d9015daef146a83f13385535ad0454a43f852c9e13a5a6879469d80306a4", kill_on_drop: false }` [INFO] [stdout] 32a9d9015daef146a83f13385535ad0454a43f852c9e13a5a6879469d80306a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] daaa87e0450dbfe14275b4b130e4ed72df88a15142cfa4c3af8b85d8cb22db94 [INFO] running `Command { std: "docker" "start" "-a" "daaa87e0450dbfe14275b4b130e4ed72df88a15142cfa4c3af8b85d8cb22db94", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling safemem v0.2.0 [INFO] [stderr] Compiling string-error v0.1.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling inflate v0.3.4 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling png2aa v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] extern crate ndarray; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/utils.rs:21:67 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn read_png(image_file: Box) -> Result, Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 - pub fn read_png(image_file: Box) -> Result, Box> { [INFO] [stdout] 21 + pub fn read_png(image_file: Box) -> Result, Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/utils.rs:21:33 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn read_png(image_file: Box) -> Result, Box> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 - pub fn read_png(image_file: Box) -> Result, Box> { [INFO] [stdout] 21 + pub fn read_png(image_file: Box) -> Result, Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/utils.rs:38:89 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn write_grayscale_png(image_file: Box, img: &Array2) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 - pub fn write_grayscale_png(image_file: Box, img: &Array2) -> Result<(), Box> { [INFO] [stdout] 38 + pub fn write_grayscale_png(image_file: Box, img: &Array2) -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/utils.rs:38:44 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn write_grayscale_png(image_file: Box, img: &Array2) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 38 - pub fn write_grayscale_png(image_file: Box, img: &Array2) -> Result<(), Box> { [INFO] [stdout] 38 + pub fn write_grayscale_png(image_file: Box, img: &Array2) -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/cli.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `png2aa` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "daaa87e0450dbfe14275b4b130e4ed72df88a15142cfa4c3af8b85d8cb22db94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daaa87e0450dbfe14275b4b130e4ed72df88a15142cfa4c3af8b85d8cb22db94", kill_on_drop: false }` [INFO] [stdout] daaa87e0450dbfe14275b4b130e4ed72df88a15142cfa4c3af8b85d8cb22db94