[INFO] fetching crate ffgen 0.3.5...
[INFO] checking ffgen-0.3.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ffgen 0.3.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate ffgen 0.3.5
[INFO] finished tweaking crates.io crate ffgen 0.3.5
[INFO] tweaked toml for crates.io crate ffgen 0.3.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffgen 0.3.5 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 crates.io crate ffgen 0.3.5 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0cdd5c3544a1614203de46bd7ea61114083b1fa8b1b17249905542f43afecde2
[INFO] running `Command { std: "docker" "start" "-a" "0cdd5c3544a1614203de46bd7ea61114083b1fa8b1b17249905542f43afecde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cdd5c3544a1614203de46bd7ea61114083b1fa8b1b17249905542f43afecde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cdd5c3544a1614203de46bd7ea61114083b1fa8b1b17249905542f43afecde2", kill_on_drop: false }`
[INFO] [stdout] 0cdd5c3544a1614203de46bd7ea61114083b1fa8b1b17249905542f43afecde2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 556d88b2a329d40d03ccdd2f825ca0d9157d0cbab0e1760d3149e4ab67dbaffa
[INFO] running `Command { std: "docker" "start" "-a" "556d88b2a329d40d03ccdd2f825ca0d9157d0cbab0e1760d3149e4ab67dbaffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling erased-serde v0.3.17
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking crypto-common v0.1.1
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking digest v0.10.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking md-5 v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling strum v0.23.0
[INFO] [stderr]    Compiling clap v3.0.1
[INFO] [stderr]     Checking clap_complete v3.0.1
[INFO] [stderr]    Compiling ffgen v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | /         /// Target group name
[INFO] [stdout] 15 | |         group: Option<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<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | /         /// Target group name
[INFO] [stdout] 34 | |         group: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     /// Recipe file path
[INFO] [stdout] 95 | |     #[clap(short, long)]
[INFO] [stdout] 96 | |     pub recipe: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ffgen` (build script) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "556d88b2a329d40d03ccdd2f825ca0d9157d0cbab0e1760d3149e4ab67dbaffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556d88b2a329d40d03ccdd2f825ca0d9157d0cbab0e1760d3149e4ab67dbaffa", kill_on_drop: false }`
[INFO] [stdout] 556d88b2a329d40d03ccdd2f825ca0d9157d0cbab0e1760d3149e4ab67dbaffa
