[INFO] fetching crate fcplug-build 0.4.5...
[INFO] checking fcplug-build-0.4.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fcplug-build 0.4.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fcplug-build 0.4.5
[INFO] finished tweaking crates.io crate fcplug-build 0.4.5
[INFO] tweaked toml for crates.io crate fcplug-build 0.4.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fcplug-build 0.4.5 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 185 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.66.1 (available: v0.72.1)
[INFO] [stderr]       Adding cbindgen v0.24.5 (available: v0.29.2)
[INFO] [stderr]       Adding md5 v0.7.0 (available: v0.8.0)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.27.2)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ec772448c0215574358172549281c4dd12d829952aa3b0d03a2fdf4fdfa3a476
[INFO] running `Command { std: "docker" "start" "-a" "ec772448c0215574358172549281c4dd12d829952aa3b0d03a2fdf4fdfa3a476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec772448c0215574358172549281c4dd12d829952aa3b0d03a2fdf4fdfa3a476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec772448c0215574358172549281c4dd12d829952aa3b0d03a2fdf4fdfa3a476", kill_on_drop: false }`
[INFO] [stdout] ec772448c0215574358172549281c4dd12d829952aa3b0d03a2fdf4fdfa3a476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 924578bc668bc79ab46dfc01f352d72e7f6cc9f6006ce408a5e9017194086bbe
[INFO] running `Command { std: "docker" "start" "-a" "924578bc668bc79ab46dfc01f352d72e7f6cc9f6006ce408a5e9017194086bbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking rustix v0.38.44
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling protobuf2 v4.0.0-alpha.2
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]    Compiling cbindgen v0.24.5
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking syn v2.0.110
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking cexpr v0.6.0
[INFO] [stderr]     Checking pilota-thrift-parser v0.4.2
[INFO] [stderr]     Checking which v4.4.2
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking faststr v0.2.32
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]     Checking peeking_take_while v0.1.2
[INFO] [stderr]     Checking normpath v1.5.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]     Checking flatc-rust v0.2.0
[INFO] [stderr]     Checking defer-lite v1.0.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling salsa-macros v0.17.0-pre.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking salsa v0.17.0-pre.2
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking protobuf-support2 v4.0.0-alpha.2
[INFO] [stderr]     Checking protobuf-support v3.7.2
[INFO] [stderr]     Checking protobuf v3.7.2
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking protobuf-parse v3.7.2
[INFO] [stderr]     Checking protobuf-parse2 v4.0.0-alpha.4
[INFO] [stderr]     Checking protobuf-codegen v3.7.2
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking pilota-build2 v0.7.13
[INFO] [stderr]     Checking fcplug-build v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/config.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |             PathBuf::from_str(&go_root_path)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fcplug-build` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/config.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |             PathBuf::from_str(&go_root_path)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fcplug-build` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "924578bc668bc79ab46dfc01f352d72e7f6cc9f6006ce408a5e9017194086bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924578bc668bc79ab46dfc01f352d72e7f6cc9f6006ce408a5e9017194086bbe", kill_on_drop: false }`
[INFO] [stdout] 924578bc668bc79ab46dfc01f352d72e7f6cc9f6006ce408a5e9017194086bbe