[INFO] cloning repository https://github.com/michalwa/asciiart [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michalwa/asciiart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalwa%2Fasciiart", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalwa%2Fasciiart'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d8b64edd5a69c27308cd55be5326a9c91d8573f2 [INFO] checking michalwa/asciiart 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%2Fmichalwa%2Fasciiart" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/michalwa/asciiart [INFO] finished tweaking git repo https://github.com/michalwa/asciiart [INFO] tweaked toml for git repo https://github.com/michalwa/asciiart written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/michalwa/asciiart 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/michalwa/asciiart 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 858a9f0ab7ae584b40f37de77e4994dacdc6cf1c1fcdc2421f56e127d7ad4d67 [INFO] running `Command { std: "docker" "start" "-a" "858a9f0ab7ae584b40f37de77e4994dacdc6cf1c1fcdc2421f56e127d7ad4d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "858a9f0ab7ae584b40f37de77e4994dacdc6cf1c1fcdc2421f56e127d7ad4d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "858a9f0ab7ae584b40f37de77e4994dacdc6cf1c1fcdc2421f56e127d7ad4d67", kill_on_drop: false }` [INFO] [stdout] 858a9f0ab7ae584b40f37de77e4994dacdc6cf1c1fcdc2421f56e127d7ad4d67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 50f83dd263ec475ff3e27aff4b290b10dc95d0079d09d4f5c552dd7c8cae6d62 [INFO] running `Command { std: "docker" "start" "-a" "50f83dd263ec475ff3e27aff4b290b10dc95d0079d09d4f5c552dd7c8cae6d62", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking weezl v0.1.3 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.5.0 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.12 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking asciiart v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | mode: 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: Result [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | image_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `asciiart` (bin "asciiart" test) due to 2 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] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | mode: 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: Result [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | image_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `asciiart` (bin "asciiart") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "50f83dd263ec475ff3e27aff4b290b10dc95d0079d09d4f5c552dd7c8cae6d62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50f83dd263ec475ff3e27aff4b290b10dc95d0079d09d4f5c552dd7c8cae6d62", kill_on_drop: false }` [INFO] [stdout] 50f83dd263ec475ff3e27aff4b290b10dc95d0079d09d4f5c552dd7c8cae6d62