[INFO] cloning repository lnenad/image-to-ascii
[INFO] running `"git" "clone" "--bare" "git://github.com/lnenad/image-to-ascii.git" "work/cache/sources/gh/lnenad/image-to-ascii"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lnenad/image-to-ascii'...
[INFO] running `"git" "clone" "work/cache/sources/gh/lnenad/image-to-ascii" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lnenad/image-to-ascii"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lnenad/image-to-ascii'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lnenad/image-to-ascii" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lnenad/image-to-ascii"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lnenad/image-to-ascii'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a6cfa6c1e70e7a6a5ed675ca8a61950c5a613b5
[INFO] sha for GitHub repo lnenad/image-to-ascii: 3a6cfa6c1e70e7a6a5ed675ca8a61950c5a613b5
[INFO] validating manifest of lnenad/image-to-ascii on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lnenad/image-to-ascii on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lnenad/image-to-ascii
[INFO] finished frobbing lnenad/image-to-ascii
[INFO] frobbed toml for lnenad/image-to-ascii written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lnenad/image-to-ascii/Cargo.toml
[INFO] started frobbing lnenad/image-to-ascii
[INFO] finished frobbing lnenad/image-to-ascii
[INFO] frobbed toml for lnenad/image-to-ascii written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lnenad/image-to-ascii/Cargo.toml
[INFO] crate lnenad/image-to-ascii already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lnenad/image-to-ascii against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lnenad/image-to-ascii:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 90b63537380a40d3a00c8805dcf519e09835021377e26798208b74bd5fb73404
[INFO] running `"docker" "start" "-a" "90b63537380a40d3a00c8805dcf519e09835021377e26798208b74bd5fb73404"`
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling coco v0.1.1
[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 v0.17.0
[INFO] [stderr]    Compiling imagetoascii v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:68:76
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn write_to_file(file_name: &str, contents: &String) -> Result<String, Box<Error>> {
[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/main.rs:79:79
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn generate_preview(file_name: &str, contents: &String) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.29s
[INFO] running `"docker" "inspect" "90b63537380a40d3a00c8805dcf519e09835021377e26798208b74bd5fb73404"`
[INFO] running `"docker" "rm" "-f" "90b63537380a40d3a00c8805dcf519e09835021377e26798208b74bd5fb73404"`
[INFO] [stdout] 90b63537380a40d3a00c8805dcf519e09835021377e26798208b74bd5fb73404
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lnenad/image-to-ascii:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e22c79a28da8edb4f5599b359b1d2d7c30f20d1cbdd214e397680a290cfa0ac9
[INFO] running `"docker" "start" "-a" "e22c79a28da8edb4f5599b359b1d2d7c30f20d1cbdd214e397680a290cfa0ac9"`
[INFO] [stderr]    Compiling imagetoascii v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:68:76
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn write_to_file(file_name: &str, contents: &String) -> Result<String, Box<Error>> {
[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/main.rs:79:79
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn generate_preview(file_name: &str, contents: &String) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         generate_preview(&output.replace(".txt", ".html"), &contents);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "e22c79a28da8edb4f5599b359b1d2d7c30f20d1cbdd214e397680a290cfa0ac9"`
[INFO] running `"docker" "rm" "-f" "e22c79a28da8edb4f5599b359b1d2d7c30f20d1cbdd214e397680a290cfa0ac9"`
[INFO] [stdout] e22c79a28da8edb4f5599b359b1d2d7c30f20d1cbdd214e397680a290cfa0ac9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lnenad/image-to-ascii:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] d5cf64a681e9f77f026b995c7ffb9e3d750f13586a2831cddb7cf673f5a08415
[INFO] running `"docker" "start" "-a" "d5cf64a681e9f77f026b995c7ffb9e3d750f13586a2831cddb7cf673f5a08415"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/imagetoascii-686a4b3cff2f3ff9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/imagetoascii-fc1ac367a5734d0f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imagetoascii
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d5cf64a681e9f77f026b995c7ffb9e3d750f13586a2831cddb7cf673f5a08415"`
[INFO] running `"docker" "rm" "-f" "d5cf64a681e9f77f026b995c7ffb9e3d750f13586a2831cddb7cf673f5a08415"`
[INFO] [stdout] d5cf64a681e9f77f026b995c7ffb9e3d750f13586a2831cddb7cf673f5a08415