[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 [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 [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 [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 [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 [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 [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 [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 [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