[INFO] cloning repository https://github.com/DeathEyeXD/pngme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeathEyeXD/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeathEyeXD%2Fpngme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeathEyeXD%2Fpngme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bf5fc6f2b58d7b803d73fdba22961ebe0c982d47 [INFO] checking DeathEyeXD/pngme 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%2FDeathEyeXD%2Fpngme" "/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/DeathEyeXD/pngme [INFO] finished tweaking git repo https://github.com/DeathEyeXD/pngme [INFO] tweaked toml for git repo https://github.com/DeathEyeXD/pngme written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/DeathEyeXD/pngme 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/DeathEyeXD/pngme 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] 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] 89f2be8ac3099e41a12bf009274ceb18f7477de375051052366d681e4c5592df [INFO] running `Command { std: "docker" "start" "-a" "89f2be8ac3099e41a12bf009274ceb18f7477de375051052366d681e4c5592df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89f2be8ac3099e41a12bf009274ceb18f7477de375051052366d681e4c5592df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89f2be8ac3099e41a12bf009274ceb18f7477de375051052366d681e4c5592df", kill_on_drop: false }` [INFO] [stdout] 89f2be8ac3099e41a12bf009274ceb18f7477de375051052366d681e4c5592df [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] de7447c72e65a66b0b856fe9219cf784c54104d2121c115b0e321a0b33a0bd0b [INFO] running `Command { std: "docker" "start" "-a" "de7447c72e65a66b0b856fe9219cf784c54104d2121c115b0e321a0b33a0bd0b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking crc-catalog v1.1.1 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking crc v2.1.0 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | file_path: String, [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: std::result::Result [INFO] [stdout] --> src/lib.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | message: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | / /// Outputs png file with encoded message to another file instead [INFO] [stdout] 57 | | #[clap(short, long)] [INFO] [stdout] 58 | | output_file: Option, [INFO] [stdout] | |_______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | file_path: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | file_path: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | file_path: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | file_path: String, [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: std::result::Result [INFO] [stdout] --> src/lib.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | message: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | / /// Outputs png file with encoded message to another file instead [INFO] [stdout] 57 | | #[clap(short, long)] [INFO] [stdout] 58 | | output_file: Option, [INFO] [stdout] | |_______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | file_path: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | file_path: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 70 | chunk_type: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pngme` (lib) due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | file_path: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pngme` (lib test) due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "de7447c72e65a66b0b856fe9219cf784c54104d2121c115b0e321a0b33a0bd0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de7447c72e65a66b0b856fe9219cf784c54104d2121c115b0e321a0b33a0bd0b", kill_on_drop: false }` [INFO] [stdout] de7447c72e65a66b0b856fe9219cf784c54104d2121c115b0e321a0b33a0bd0b