[INFO] fetching crate shakmaty 0.29.4...
[INFO] checking shakmaty-0.29.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate shakmaty 0.29.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate shakmaty 0.29.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate shakmaty 0.29.4
[INFO] tweaked toml for crates.io crate shakmaty 0.29.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shakmaty 0.29.4 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 shakmaty 0.29.4 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-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] 92ce87eeeee6bb1cfc60a6642b609b81b347bee70575af92e93026dd85ae53a7
[INFO] running `Command { std: "docker" "start" "-a" "92ce87eeeee6bb1cfc60a6642b609b81b347bee70575af92e93026dd85ae53a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92ce87eeeee6bb1cfc60a6642b609b81b347bee70575af92e93026dd85ae53a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ce87eeeee6bb1cfc60a6642b609b81b347bee70575af92e93026dd85ae53a7", kill_on_drop: false }`
[INFO] [stdout] 92ce87eeeee6bb1cfc60a6642b609b81b347bee70575af92e93026dd85ae53a7
[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] e3de27ddda080f2cf18e4d96ecc7104ba8a8350533c7ed569e2dd0da79201b35
[INFO] running `Command { std: "docker" "start" "-a" "e3de27ddda080f2cf18e4d96ecc7104ba8a8350533c7ed569e2dd0da79201b35", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling iai-callgrind-runner v0.16.1
[INFO] [stderr]    Compiling iai-callgrind v0.16.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking btoi v0.5.0
[INFO] [stderr]     Checking shakmaty v0.29.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u32>
[INFO] [stdout]    --> src/types.rs:252:25
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 let n = u32::try_from(value)?;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 | try_remaining_checks_from_int_impl! { u8 i8 u16 i16 u32 i32 u64 i64 u128 i128 usize isize }
[INFO] [stdout]     | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `try_remaining_checks_from_int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/types.rs:252:25
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 let n = u32::try_from(value)?;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 | try_remaining_checks_from_int_impl! { u8 i8 u16 i16 u32 i32 u64 i64 u128 i128 usize isize }
[INFO] [stdout]     | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_remaining_checks_from_int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u32>
[INFO] [stdout]    --> src/types.rs:252:25
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 let n = u32::try_from(value)?;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 | try_remaining_checks_from_int_impl! { u8 i8 u16 i16 u32 i32 u64 i64 u128 i128 usize isize }
[INFO] [stdout]     | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_remaining_checks_from_int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u32>
[INFO] [stdout]    --> src/types.rs:252:25
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 let n = u32::try_from(value)?;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 | try_remaining_checks_from_int_impl! { u8 i8 u16 i16 u32 i32 u64 i64 u128 i128 usize isize }
[INFO] [stdout]     | ------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_remaining_checks_from_int_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr] error: could not compile `shakmaty` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e3de27ddda080f2cf18e4d96ecc7104ba8a8350533c7ed569e2dd0da79201b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3de27ddda080f2cf18e4d96ecc7104ba8a8350533c7ed569e2dd0da79201b35", kill_on_drop: false }`
[INFO] [stdout] e3de27ddda080f2cf18e4d96ecc7104ba8a8350533c7ed569e2dd0da79201b35
