[INFO] cloning repository https://github.com/Cecca/fineregr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cecca/fineregr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCecca%2Ffineregr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCecca%2Ffineregr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d292482dc62f561d63909ad684baa5bc67d64df5
[INFO] checking Cecca/fineregr 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%2FCecca%2Ffineregr" "/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/Cecca/fineregr
[INFO] finished tweaking git repo https://github.com/Cecca/fineregr
[INFO] tweaked toml for git repo https://github.com/Cecca/fineregr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cecca/fineregr 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/Cecca/fineregr 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] 7e403720b10c7c9e2b6070910046baeca39fe047dbb2311c3401d646e108a1df
[INFO] running `Command { std: "docker" "start" "-a" "7e403720b10c7c9e2b6070910046baeca39fe047dbb2311c3401d646e108a1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e403720b10c7c9e2b6070910046baeca39fe047dbb2311c3401d646e108a1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e403720b10c7c9e2b6070910046baeca39fe047dbb2311c3401d646e108a1df", kill_on_drop: false }`
[INFO] [stdout] 7e403720b10c7c9e2b6070910046baeca39fe047dbb2311c3401d646e108a1df
[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] ae06625f9190b569d540d3e76f64ef1eb837780c18dbebecc179555ca4fdf33b
[INFO] running `Command { std: "docker" "start" "-a" "ae06625f9190b569d540d3e76f64ef1eb837780c18dbebecc179555ca4fdf33b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]     Checking crypto-common v0.1.1
[INFO] [stderr]     Checking digest v0.10.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking sha2 v0.10.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking fineregr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]   --> src/main.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         if PathBuf::from_str(&self.repo_dir)?.is_dir() {
[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:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         if PathBuf::from_str(&self.repo_dir)?.is_dir() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fineregr` (bin "fineregr") 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: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]   --> src/main.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         if PathBuf::from_str(&self.repo_dir)?.is_dir() {
[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:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |         if PathBuf::from_str(&self.repo_dir)?.is_dir() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fineregr` (bin "fineregr" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ae06625f9190b569d540d3e76f64ef1eb837780c18dbebecc179555ca4fdf33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae06625f9190b569d540d3e76f64ef1eb837780c18dbebecc179555ca4fdf33b", kill_on_drop: false }`
[INFO] [stdout] ae06625f9190b569d540d3e76f64ef1eb837780c18dbebecc179555ca4fdf33b
