[INFO] updating cached repository genya0407/image2aa [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/genya0407/image2aa [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/genya0407/image2aa" "work/ex/beta-1.38-1/sources/1.37.0/gh/genya0407/image2aa"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/genya0407/image2aa'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/genya0407/image2aa" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/genya0407/image2aa"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/genya0407/image2aa'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] dd812de0a76a4828a089dbc0e65bd3fcf852f25f [INFO] sha for GitHub repo genya0407/image2aa: dd812de0a76a4828a089dbc0e65bd3fcf852f25f [INFO] validating manifest of genya0407/image2aa on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of genya0407/image2aa on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing genya0407/image2aa [INFO] finished frobbing genya0407/image2aa [INFO] frobbed toml for genya0407/image2aa written to work/ex/beta-1.38-1/sources/1.37.0/gh/genya0407/image2aa/Cargo.toml [INFO] started frobbing genya0407/image2aa [INFO] finished frobbing genya0407/image2aa [INFO] frobbed toml for genya0407/image2aa written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/genya0407/image2aa/Cargo.toml [INFO] crate genya0407/image2aa already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing genya0407/image2aa against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/genya0407/image2aa:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 5cea246e88a50efc346052bb0dd6f5bb64c113c7248843539634207af15ec2f5 [INFO] running `"docker" "start" "-a" "5cea246e88a50efc346052bb0dd6f5bb64c113c7248843539634207af15ec2f5"` [INFO] [stderr] Compiling ndarray v0.10.13 [INFO] [stderr] Compiling rand v0.3.19 [INFO] [stderr] Compiling itertools v0.7.4 [INFO] [stderr] Compiling num-complex v0.1.41 [INFO] [stderr] Compiling rayon-core v1.3.0 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling jpeg-decoder v0.1.13 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling image2aa v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #[macro_use] extern crate ndarray; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/utils.rs:21:74 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn read_image(mut image_file: R) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/utils.rs:33:78 [INFO] [stderr] | [INFO] [stderr] 33 | fn read_to_array(mut decoder: D) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/utils.rs:53:44 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn write_grayscale_png(image_file: Box, img: &Array2) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/utils.rs:53:89 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn write_grayscale_png(image_file: Box, img: &Array2) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/cli.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `image2aa`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5cea246e88a50efc346052bb0dd6f5bb64c113c7248843539634207af15ec2f5"` [INFO] running `"docker" "rm" "-f" "5cea246e88a50efc346052bb0dd6f5bb64c113c7248843539634207af15ec2f5"` [INFO] [stdout] 5cea246e88a50efc346052bb0dd6f5bb64c113c7248843539634207af15ec2f5