[INFO] cloning repository https://github.com/achillesdawn/bmp-pixel-extractor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/achillesdawn/bmp-pixel-extractor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fachillesdawn%2Fbmp-pixel-extractor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fachillesdawn%2Fbmp-pixel-extractor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcdb0d8ead97a16b30af1e3f7a170bc1cbebe424
[INFO] checking achillesdawn/bmp-pixel-extractor 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%2Fachillesdawn%2Fbmp-pixel-extractor" "/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/achillesdawn/bmp-pixel-extractor
[INFO] finished tweaking git repo https://github.com/achillesdawn/bmp-pixel-extractor
[INFO] tweaked toml for git repo https://github.com/achillesdawn/bmp-pixel-extractor written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/achillesdawn/bmp-pixel-extractor 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/achillesdawn/bmp-pixel-extractor 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]     Blocking waiting for file lock on package cache
[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] 0319b6905f3f03d1e87f29b4e82eb3caadf3e10bbed3f97249f5438d17dc6034
[INFO] running `Command { std: "docker" "start" "-a" "0319b6905f3f03d1e87f29b4e82eb3caadf3e10bbed3f97249f5438d17dc6034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0319b6905f3f03d1e87f29b4e82eb3caadf3e10bbed3f97249f5438d17dc6034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0319b6905f3f03d1e87f29b4e82eb3caadf3e10bbed3f97249f5438d17dc6034", kill_on_drop: false }`
[INFO] [stdout] 0319b6905f3f03d1e87f29b4e82eb3caadf3e10bbed3f97249f5438d17dc6034
[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] 562f48e8e68bff6f786f434f6829d9293334d41d85ffee9c0ada7636c69605bc
[INFO] running `Command { std: "docker" "start" "-a" "562f48e8e68bff6f786f434f6829d9293334d41d85ffee9c0ada7636c69605bc", kill_on_drop: false }`
[INFO] [stderr]     Checking oled_display_numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut output_string = String::from_str("[").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]    --> src/main.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let path = PathBuf::from_str("images").unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:131:27
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut output_path = PathBuf::from_str("output").unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oled_display_numbers` (bin "oled_display_numbers") 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<String, Infallible>
[INFO] [stdout]    --> src/main.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut output_string = String::from_str("[").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]    --> src/main.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let path = PathBuf::from_str("images").unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:131:27
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut output_path = PathBuf::from_str("output").unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             PathBuf::from_str("tests/test1.bmp")?,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 |             PathBuf::from_str("tests/test1.bmp")?,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/main.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |             PathBuf::from_str("tests/test2.bmp")?,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |             PathBuf::from_str("tests/test2.bmp")?,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oled_display_numbers` (bin "oled_display_numbers" test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "562f48e8e68bff6f786f434f6829d9293334d41d85ffee9c0ada7636c69605bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562f48e8e68bff6f786f434f6829d9293334d41d85ffee9c0ada7636c69605bc", kill_on_drop: false }`
[INFO] [stdout] 562f48e8e68bff6f786f434f6829d9293334d41d85ffee9c0ada7636c69605bc
