[INFO] fetching crate simink 0.1.10...
[INFO] checking simink-0.1.10 against try#47988eeabf6090a44f37845ce0a796693c491c97 for pr-115974
[INFO] extracting crate simink 0.1.10 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate simink 0.1.10 on toolchain 47988eeabf6090a44f37845ce0a796693c491c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47988eeabf6090a44f37845ce0a796693c491c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simink 0.1.10
[INFO] finished tweaking crates.io crate simink 0.1.10
[INFO] tweaked toml for crates.io crate simink 0.1.10 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate simink 0.1.10 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" "+47988eeabf6090a44f37845ce0a796693c491c97" "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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+47988eeabf6090a44f37845ce0a796693c491c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d523b8082905005255196fd327259fd51fe2eab2fbe4fcfe56035384d55c8c05
[INFO] running `Command { std: "docker" "start" "-a" "d523b8082905005255196fd327259fd51fe2eab2fbe4fcfe56035384d55c8c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d523b8082905005255196fd327259fd51fe2eab2fbe4fcfe56035384d55c8c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d523b8082905005255196fd327259fd51fe2eab2fbe4fcfe56035384d55c8c05", kill_on_drop: false }`
[INFO] [stdout] d523b8082905005255196fd327259fd51fe2eab2fbe4fcfe56035384d55c8c05
[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" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+47988eeabf6090a44f37845ce0a796693c491c97" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a77f4924eb044e53da268526401cf3e8000fec8cfc732760f889cc7484f9d10b
[INFO] running `Command { std: "docker" "start" "-a" "a77f4924eb044e53da268526401cf3e8000fec8cfc732760f889cc7484f9d10b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking tock-registers v0.8.1
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling simink-macro v0.1.4
[INFO] [stderr]     Checking simink v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/panic.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     if let Some(m) = message {
[INFO] [stdout]    |            ^^^^^^^   ------- this expression has type `Arguments<'_>`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            expected `Arguments<'_>`, found `Option<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Arguments<'_>`
[INFO] [stdout]                 found enum `Option<_>`
[INFO] [stdout] help: you might have meant to use field `fmt` whose type is `Option<&[core::fmt::rt::Placeholder]>`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     if let Some(m) = message.fmt {
[INFO] [stdout]    |                      ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simink` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: returned pointer of `as_ptr` call is never null, so checking it for null will always return false
[INFO] [stdout]    --> src/mm/memblock/iter.rs:369:21
[INFO] [stdout]     |
[INFO] [stdout] 369 |             assume(!self.ptr.as_ptr().is_null());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(useless_ptr_null_checks)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a77f4924eb044e53da268526401cf3e8000fec8cfc732760f889cc7484f9d10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77f4924eb044e53da268526401cf3e8000fec8cfc732760f889cc7484f9d10b", kill_on_drop: false }`
[INFO] [stdout] a77f4924eb044e53da268526401cf3e8000fec8cfc732760f889cc7484f9d10b