[INFO] cloning repository https://github.com/KiwiDch/ppm_steganography
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KiwiDch/ppm_steganography" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiwiDch%2Fppm_steganography", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiwiDch%2Fppm_steganography'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ba3e9dcba10917a30fd6af84626a1db1190c15a
[INFO] checking KiwiDch/ppm_steganography against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiwiDch%2Fppm_steganography" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KiwiDch/ppm_steganography
[INFO] finished tweaking git repo https://github.com/KiwiDch/ppm_steganography
[INFO] tweaked toml for git repo https://github.com/KiwiDch/ppm_steganography written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KiwiDch/ppm_steganography on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KiwiDch/ppm_steganography already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding adler2 v2.0.1
[INFO] [stderr]       Adding autocfg v1.5.0
[INFO] [stderr]       Adding bit_field v0.10.3
[INFO] [stderr]       Adding bitflags v1.3.2
[INFO] [stderr]       Adding bytemuck v1.24.0
[INFO] [stderr]       Adding byteorder v1.5.0
[INFO] [stderr]       Adding cfg-if v1.0.4
[INFO] [stderr]       Adding color_quant v1.1.0
[INFO] [stderr]       Adding crc32fast v1.5.0
[INFO] [stderr]       Adding crossbeam-deque v0.8.6
[INFO] [stderr]       Adding crossbeam-epoch v0.9.18
[INFO] [stderr]       Adding crossbeam-utils v0.8.21
[INFO] [stderr]       Adding crunchy v0.2.4
[INFO] [stderr]       Adding either v1.15.0
[INFO] [stderr]       Adding exr v1.74.0
[INFO] [stderr]       Adding fdeflate v0.3.7
[INFO] [stderr]       Adding flate2 v1.1.5
[INFO] [stderr]       Adding gif v0.13.3
[INFO] [stderr]       Adding half v2.7.1
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.8)
[INFO] [stderr]       Adding jpeg-decoder v0.3.2
[INFO] [stderr]       Adding lebe v0.5.3
[INFO] [stderr]       Adding miniz_oxide v0.8.9
[INFO] [stderr]       Adding num-traits v0.2.19
[INFO] [stderr]       Adding png v0.17.16
[INFO] [stderr]       Adding proc-macro2 v1.0.103
[INFO] [stderr]       Adding qoi v0.4.1
[INFO] [stderr]       Adding quote v1.0.42
[INFO] [stderr]       Adding rayon v1.11.0
[INFO] [stderr]       Adding rayon-core v1.13.0
[INFO] [stderr]       Adding simd-adler32 v0.3.7
[INFO] [stderr]       Adding smallvec v1.15.1
[INFO] [stderr]       Adding syn v2.0.110
[INFO] [stderr]       Adding tiff v0.9.1
[INFO] [stderr]       Adding unicode-ident v1.0.22
[INFO] [stderr]       Adding weezl v0.1.12
[INFO] [stderr]       Adding zerocopy v0.8.27
[INFO] [stderr]       Adding zerocopy-derive v0.8.27
[INFO] [stderr]       Adding zune-inflate v0.2.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9abe426f420a66d9a60d9e06156c9aee8acf7c83b281c3be165d30da182415df
[INFO] running `Command { std: "docker" "start" "-a" "9abe426f420a66d9a60d9e06156c9aee8acf7c83b281c3be165d30da182415df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9abe426f420a66d9a60d9e06156c9aee8acf7c83b281c3be165d30da182415df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9abe426f420a66d9a60d9e06156c9aee8acf7c83b281c3be165d30da182415df", kill_on_drop: false }`
[INFO] [stdout] 9abe426f420a66d9a60d9e06156c9aee8acf7c83b281c3be165d30da182415df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63fbe3a32b5296a13c95239e85225b12c51e1525b258638c7f0591f62e7262df
[INFO] running `Command { std: "docker" "start" "-a" "63fbe3a32b5296a13c95239e85225b12c51e1525b258638c7f0591f62e7262df", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking lebe v0.5.3
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.2
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking exr v1.74.0
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking ppm_steganography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> examples/decode.rs:4:60
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let decoder = ppm_steganography::decoder::Decoder::new(std::path::PathBuf::from_str("examples/kiwi_message.ppm").unwrap()).unwrap();
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> examples/encode_img.rs:5:64
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut encoder = ppm_steganography::encoder::Encoder::new(std::path::PathBuf::from_str("examples/kiwi.ppm").unwrap()).unwrap();
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> examples/encode_img.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 |     encoder.try_update_from_file(std::path::PathBuf::from_str("examples/to_hide.ppm").unwrap()).unwrap();
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> examples/encode_img.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 |     encoder.encode_and_save(std::path::PathBuf::from_str("examples/kiwi_hidden_image.ppm").unwrap()).unwrap();
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ppm_steganography` (example "encode_img") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> examples/encode.rs:4:64
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut encoder = ppm_steganography::encoder::Encoder::new(std::path::PathBuf::from_str("examples/kiwi.ppm").unwrap()).unwrap();
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ppm_steganography` (example "decode") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> examples/encode.rs:6:29
[INFO] [stdout]   |
[INFO] [stdout] 6 |     encoder.encode_and_save(std::path::PathBuf::from_str("examples/kiwi_message.ppm").unwrap()).unwrap();
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ppm_steganography` (example "encode") due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> examples/decode_img.rs:3:60
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let decoder = ppm_steganography::decoder::Decoder::new(std::path::PathBuf::from_str("examples/kiwi_hidden_image.ppm").unwrap()).unwra...
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]  --> examples/decode_img.rs:4:53
[INFO] [stdout]   |
[INFO] [stdout] 4 |     decoder.decode().unwrap().unwrap().save_to_file(std::path::PathBuf::from_str("examples/hidden_image.ppm").unwrap()).unwrap();
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ppm_steganography` (example "decode_img") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "63fbe3a32b5296a13c95239e85225b12c51e1525b258638c7f0591f62e7262df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fbe3a32b5296a13c95239e85225b12c51e1525b258638c7f0591f62e7262df", kill_on_drop: false }`
[INFO] [stdout] 63fbe3a32b5296a13c95239e85225b12c51e1525b258638c7f0591f62e7262df
