[INFO] fetching crate knurdy 0.2.0...
[INFO] checking knurdy-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate knurdy 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate knurdy 0.2.0
[INFO] finished tweaking crates.io crate knurdy 0.2.0
[INFO] tweaked toml for crates.io crate knurdy 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate knurdy 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] 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 31 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding kdl v4.7.1 (available: v6.5.0)
[INFO] [stderr]       Adding smol_str v0.1.24 (available: v0.3.4)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 326d895781c989df7dc9a0d918a5f8d4d906b84908e80d362d2903cfb45a74b9
[INFO] running `Command { std: "docker" "start" "-a" "326d895781c989df7dc9a0d918a5f8d4d906b84908e80d362d2903cfb45a74b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "326d895781c989df7dc9a0d918a5f8d4d906b84908e80d362d2903cfb45a74b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326d895781c989df7dc9a0d918a5f8d4d906b84908e80d362d2903cfb45a74b9", kill_on_drop: false }`
[INFO] [stdout] 326d895781c989df7dc9a0d918a5f8d4d906b84908e80d362d2903cfb45a74b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c7deb56eae259554c1fcc795f12ec115366be52a8e9ce2a152a80ab0359de371
[INFO] running `Command { std: "docker" "start" "-a" "c7deb56eae259554c1fcc795f12ec115366be52a8e9ce2a152a80ab0359de371", kill_on_drop: false }`
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking kdl v4.7.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking smol_str v0.1.24
[INFO] [stderr]     Checking knurdy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/literal.rs:35:33
[INFO] [stdout]     |
[INFO] [stdout]  35 |               let squished: $ty = (*it).try_into()?;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 | /   deser_int_literal! {
[INFO] [stdout] 244 | |       u16 u32 u64 u128 i8 i16 i32 i64 i128
[INFO] [stdout] 245 | |   }
[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 `deser_int_literal` (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<i64, Infallible>
[INFO] [stdout]    --> src/literal.rs:35:33
[INFO] [stdout]     |
[INFO] [stdout]  35 |               let squished: $ty = (*it).try_into()?;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 | /   deser_int_literal! {
[INFO] [stdout] 244 | |       u16 u32 u64 u128 i8 i16 i32 i64 i128
[INFO] [stdout] 245 | |   }
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `deser_int_literal` (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>, i128>
[INFO] [stdout]    --> src/literal.rs:35:33
[INFO] [stdout]     |
[INFO] [stdout]  35 |               let squished: $ty = (*it).try_into()?;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 | /   deser_int_literal! {
[INFO] [stdout] 244 | |       u16 u32 u64 u128 i8 i16 i32 i64 i128
[INFO] [stdout] 245 | |   }
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `deser_int_literal` (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<i128, Infallible>
[INFO] [stdout]    --> src/literal.rs:35:33
[INFO] [stdout]     |
[INFO] [stdout]  35 |               let squished: $ty = (*it).try_into()?;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 | /   deser_int_literal! {
[INFO] [stdout] 244 | |       u16 u32 u64 u128 i8 i16 i32 i64 i128
[INFO] [stdout] 245 | |   }
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `deser_int_literal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `knurdy` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/literal.rs:35:33
[INFO] [stdout]     |
[INFO] [stdout]  35 |               let squished: $ty = (*it).try_into()?;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 | /   deser_int_literal! {
[INFO] [stdout] 244 | |       u16 u32 u64 u128 i8 i16 i32 i64 i128
[INFO] [stdout] 245 | |   }
[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 `deser_int_literal` (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<i64, Infallible>
[INFO] [stdout]    --> src/literal.rs:35:33
[INFO] [stdout]     |
[INFO] [stdout]  35 |               let squished: $ty = (*it).try_into()?;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 | /   deser_int_literal! {
[INFO] [stdout] 244 | |       u16 u32 u64 u128 i8 i16 i32 i64 i128
[INFO] [stdout] 245 | |   }
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `deser_int_literal` (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>, i128>
[INFO] [stdout]    --> src/literal.rs:35:33
[INFO] [stdout]     |
[INFO] [stdout]  35 |               let squished: $ty = (*it).try_into()?;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 | /   deser_int_literal! {
[INFO] [stdout] 244 | |       u16 u32 u64 u128 i8 i16 i32 i64 i128
[INFO] [stdout] 245 | |   }
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `deser_int_literal` (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<i128, Infallible>
[INFO] [stdout]    --> src/literal.rs:35:33
[INFO] [stdout]     |
[INFO] [stdout]  35 |               let squished: $ty = (*it).try_into()?;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 | /   deser_int_literal! {
[INFO] [stdout] 244 | |       u16 u32 u64 u128 i8 i16 i32 i64 i128
[INFO] [stdout] 245 | |   }
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `deser_int_literal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `knurdy` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "c7deb56eae259554c1fcc795f12ec115366be52a8e9ce2a152a80ab0359de371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7deb56eae259554c1fcc795f12ec115366be52a8e9ce2a152a80ab0359de371", kill_on_drop: false }`
[INFO] [stdout] c7deb56eae259554c1fcc795f12ec115366be52a8e9ce2a152a80ab0359de371
