[INFO] fetching crate openmath 0.1.4...
[INFO] checking openmath-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate openmath 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate openmath 0.1.4
[INFO] finished tweaking crates.io crate openmath 0.1.4
[INFO] tweaked toml for crates.io crate openmath 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate openmath 0.1.4 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 openmath 0.1.4 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dcb831cd875661f4806916f3f7b2020059cb468df0b1d4a23990a87a38a595f5
[INFO] running `Command { std: "docker" "start" "-a" "dcb831cd875661f4806916f3f7b2020059cb468df0b1d4a23990a87a38a595f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb831cd875661f4806916f3f7b2020059cb468df0b1d4a23990a87a38a595f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb831cd875661f4806916f3f7b2020059cb468df0b1d4a23990a87a38a595f5", kill_on_drop: false }`
[INFO] [stdout] dcb831cd875661f4806916f3f7b2020059cb468df0b1d4a23990a87a38a595f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 58b5145502b8b7e2f01886ed07c80f2c81880358866b4d72d066b48bcaee08b1
[INFO] running `Command { std: "docker" "start" "-a" "58b5145502b8b7e2f01886ed07c80f2c81880358866b4d72d066b48bcaee08b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling serde_core v1.0.225
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking smallvec v2.0.0-alpha.11
[INFO] [stderr]     Checking quick-xml v0.38.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling openmath v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking either_of v0.1.6
[INFO] [stderr]     Checking ordered-float v5.0.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stdout] error: this type will no longer be must used: Result<OpenMath<'_>, Infallible>
[INFO] [stdout]    --> src/lib.rs:447:5
[INFO] [stdout]     |
[INFO] [stdout] 447 | /     {
[INFO] [stdout] 448 | |         /*fn do_attrs<'o>(
[INFO] [stdout] 449 | |             attrs: Vec<de::OMAttr<'o, OpenMath<'o>>>,
[INFO] [stdout] 450 | |         ) -> Vec<Attr<'o, OMMaybeForeign<'o, OpenMath<'o>>>> {
[INFO] [stdout] ...   |
[INFO] [stdout] 535 | |         })
[INFO] [stdout] 536 | |     }
[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<OpenMath<'_>, Infallible>
[INFO] [stdout]    --> src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 | /         Ok(match om {
[INFO] [stdout] 470 | |             OM::OMI { int, attrs } => Self::OMI {
[INFO] [stdout] 471 | |                 int,
[INFO] [stdout] 472 | |                 attributes: attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 534 | |             },
[INFO] [stdout] 535 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i128, Infallible>
[INFO] [stdout]    --> src/de/mod.rs:540:29
[INFO] [stdout]     |
[INFO] [stdout] 540 |                               i.try_into().map_err(|_| $err)
[INFO] [stdout]     |                               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | / impl_int_deserializable! {
[INFO] [stdout] 551 | |     i8 = "not an i8", u8 = "not a u8",
[INFO] [stdout] 552 | |     i16 = "not an i16", u16 = "not a u16",
[INFO] [stdout] 553 | |     u32 = "not a u32", i32 = "not an i32",
[INFO] [stdout] ...   |
[INFO] [stdout] 556 | |     isize = "not an isize", usize = "not a usize"
[INFO] [stdout] 557 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_int_deserializable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `openmath` (lib) 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<OpenMath<'_>, Infallible>
[INFO] [stdout]    --> src/lib.rs:447:5
[INFO] [stdout]     |
[INFO] [stdout] 447 | /     {
[INFO] [stdout] 448 | |         /*fn do_attrs<'o>(
[INFO] [stdout] 449 | |             attrs: Vec<de::OMAttr<'o, OpenMath<'o>>>,
[INFO] [stdout] 450 | |         ) -> Vec<Attr<'o, OMMaybeForeign<'o, OpenMath<'o>>>> {
[INFO] [stdout] ...   |
[INFO] [stdout] 535 | |         })
[INFO] [stdout] 536 | |     }
[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<OpenMath<'_>, Infallible>
[INFO] [stdout]    --> src/lib.rs:469:9
[INFO] [stdout]     |
[INFO] [stdout] 469 | /         Ok(match om {
[INFO] [stdout] 470 | |             OM::OMI { int, attrs } => Self::OMI {
[INFO] [stdout] 471 | |                 int,
[INFO] [stdout] 472 | |                 attributes: attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 534 | |             },
[INFO] [stdout] 535 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i128, Infallible>
[INFO] [stdout]    --> src/de/mod.rs:540:29
[INFO] [stdout]     |
[INFO] [stdout] 540 |                               i.try_into().map_err(|_| $err)
[INFO] [stdout]     |                               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 550 | / impl_int_deserializable! {
[INFO] [stdout] 551 | |     i8 = "not an i8", u8 = "not a u8",
[INFO] [stdout] 552 | |     i16 = "not an i16", u16 = "not a u16",
[INFO] [stdout] 553 | |     u32 = "not a u32", i32 = "not an i32",
[INFO] [stdout] ...   |
[INFO] [stdout] 556 | |     isize = "not an isize", usize = "not a usize"
[INFO] [stdout] 557 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_int_deserializable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `openmath` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "58b5145502b8b7e2f01886ed07c80f2c81880358866b4d72d066b48bcaee08b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b5145502b8b7e2f01886ed07c80f2c81880358866b4d72d066b48bcaee08b1", kill_on_drop: false }`
[INFO] [stdout] 58b5145502b8b7e2f01886ed07c80f2c81880358866b4d72d066b48bcaee08b1
