[INFO] fetching crate clappconfig 0.4.0...
[INFO] checking clappconfig-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate clappconfig 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate clappconfig 0.4.0
[INFO] finished tweaking crates.io crate clappconfig 0.4.0
[INFO] tweaked toml for crates.io crate clappconfig 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate clappconfig 0.4.0 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 clappconfig 0.4.0 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] a6546aeffcd94c71a4e422ae64a08a58a8e896daf086bc0153519ec5e38a6196
[INFO] running `Command { std: "docker" "start" "-a" "a6546aeffcd94c71a4e422ae64a08a58a8e896daf086bc0153519ec5e38a6196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6546aeffcd94c71a4e422ae64a08a58a8e896daf086bc0153519ec5e38a6196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6546aeffcd94c71a4e422ae64a08a58a8e896daf086bc0153519ec5e38a6196", kill_on_drop: false }`
[INFO] [stdout] a6546aeffcd94c71a4e422ae64a08a58a8e896daf086bc0153519ec5e38a6196
[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] 5f6aef18afc9ed2350e2cbedb3da83ddf33e7cd10e917141d6ee68dfddb8ebb1
[INFO] running `Command { std: "docker" "start" "-a" "5f6aef18afc9ed2350e2cbedb3da83ddf33e7cd10e917141d6ee68dfddb8ebb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking json5 v0.2.7
[INFO] [stderr]     Checking clappconfig v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> src/lib.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let filepath = PathBuf::from_str(cfg_file)?;
[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/lib.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let filepath = PathBuf::from_str(cfg_file)?;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clappconfig` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5f6aef18afc9ed2350e2cbedb3da83ddf33e7cd10e917141d6ee68dfddb8ebb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6aef18afc9ed2350e2cbedb3da83ddf33e7cd10e917141d6ee68dfddb8ebb1", kill_on_drop: false }`
[INFO] [stdout] 5f6aef18afc9ed2350e2cbedb3da83ddf33e7cd10e917141d6ee68dfddb8ebb1
