[INFO] fetching crate mrml-python 0.2.0...
[INFO] checking mrml-python-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mrml-python 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mrml-python 0.2.0
[INFO] finished tweaking crates.io crate mrml-python 0.2.0
[INFO] tweaked toml for crates.io crate mrml-python 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mrml-python 0.2.0 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 mrml-python 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ab6059fa71c4d9e9ddc90223951ae1c237347bf9df3ddc1f03bf415ec7033181
[INFO] running `Command { std: "docker" "start" "-a" "ab6059fa71c4d9e9ddc90223951ae1c237347bf9df3ddc1f03bf415ec7033181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab6059fa71c4d9e9ddc90223951ae1c237347bf9df3ddc1f03bf415ec7033181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6059fa71c4d9e9ddc90223951ae1c237347bf9df3ddc1f03bf415ec7033181", kill_on_drop: false }`
[INFO] [stdout] ab6059fa71c4d9e9ddc90223951ae1c237347bf9df3ddc1f03bf415ec7033181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5e61f7b8317e6e35f92bd828b9c5f4b6b2927b9afdd9bda2b1165dd16d293b61
[INFO] running `Command { std: "docker" "start" "-a" "5e61f7b8317e6e35f92bd828b9c5f4b6b2927b9afdd9bda2b1165dd16d293b61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]     Checking litemap v0.7.4
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling cc v1.2.5
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rustls-pki-types v1.10.1
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling rustls v0.23.20
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking miniz_oxide v0.8.2
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking webpki-roots v0.26.7
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking rustc-hash v2.1.0
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking htmlparser v0.2.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling pyo3-build-config v0.23.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling pyo3-macros-backend v0.23.3
[INFO] [stderr]    Compiling pyo3-ffi v0.23.3
[INFO] [stderr]    Compiling pyo3 v0.23.3
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]    Compiling pyo3-macros v0.23.3
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking ureq v2.12.1
[INFO] [stderr]     Checking mrml v5.0.0
[INFO] [stderr]     Checking mrml-python v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<ParserIncludeLoaderOptions, Infallible>
[INFO] [stdout]   --> src/lib.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn noop_loader() -> ParserIncludeLoaderOptions {
[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<ParserIncludeLoaderOptions, Infallible>
[INFO] [stdout]   --> src/lib.rs:92:64
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn memory_loader(data: Option<HashMap<String, String>>) -> ParserIncludeLoaderOptions {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ParserIncludeLoaderOptions, Infallible>
[INFO] [stdout]    --> src/lib.rs:117:6
[INFO] [stdout]     |
[INFO] [stdout] 117 | ) -> ParserIncludeLoaderOptions {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mrml-python` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<ParserIncludeLoaderOptions, Infallible>
[INFO] [stdout]   --> src/lib.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn noop_loader() -> ParserIncludeLoaderOptions {
[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<ParserIncludeLoaderOptions, Infallible>
[INFO] [stdout]   --> src/lib.rs:92:64
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn memory_loader(data: Option<HashMap<String, String>>) -> ParserIncludeLoaderOptions {
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ParserIncludeLoaderOptions, Infallible>
[INFO] [stdout]    --> src/lib.rs:117:6
[INFO] [stdout]     |
[INFO] [stdout] 117 | ) -> ParserIncludeLoaderOptions {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mrml-python` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "5e61f7b8317e6e35f92bd828b9c5f4b6b2927b9afdd9bda2b1165dd16d293b61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e61f7b8317e6e35f92bd828b9c5f4b6b2927b9afdd9bda2b1165dd16d293b61", kill_on_drop: false }`
[INFO] [stdout] 5e61f7b8317e6e35f92bd828b9c5f4b6b2927b9afdd9bda2b1165dd16d293b61
