[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, 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 [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