[INFO] fetching crate rsmonad 0.2.4...
[INFO] checking rsmonad-0.2.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate rsmonad 0.2.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rsmonad 0.2.4
[INFO] finished tweaking crates.io crate rsmonad 0.2.4
[INFO] tweaked toml for crates.io crate rsmonad 0.2.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsmonad 0.2.4 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c6e8b193a7d07779b0c17493e25a98b34733b46c18caed29952a35722bed569
[INFO] running `Command { std: "docker" "start" "-a" "3c6e8b193a7d07779b0c17493e25a98b34733b46c18caed29952a35722bed569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6e8b193a7d07779b0c17493e25a98b34733b46c18caed29952a35722bed569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6e8b193a7d07779b0c17493e25a98b34733b46c18caed29952a35722bed569", kill_on_drop: false }`
[INFO] [stdout] 3c6e8b193a7d07779b0c17493e25a98b34733b46c18caed29952a35722bed569
[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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 765544ed5e59c99768c45a572d7444c6651e62cb1fe7942f26d0f923679a7bb2
[INFO] running `Command { std: "docker" "start" "-a" "765544ed5e59c99768c45a572d7444c6651e62cb1fe7942f26d0f923679a7bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling breadth-first-zip-macros v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling reiterator v0.3.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling breadth-first-zip v0.3.0
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling derive-quickcheck v0.2.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling rsmonad v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking same-as v1.0.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/breadth-first-zip-0.3.0/src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | breadth_first_zip_macros::implement_flatten!();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | expected type parameter `B`, found `(_,)`
[INFO] [stdout]    | this expression has type `B`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `B`
[INFO] [stdout]                        found tuple `(_,)`
[INFO] [stdout]    = note: this error originates in the macro `breadth_first_zip_macros::implement_flatten` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for type `usize` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/breadth-first-zip-0.3.0/src/lib.rs:149:61
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 .next(index_sum.checked_sub(self.iter.index.get())?)
[INFO] [stdout]     |                                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `ge` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/cmp.rs:1440:5
[INFO] [stdout] help: trait `SliceIndex` which provides `get` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 45  + use core::slice::SliceIndex;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for type `usize` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/breadth-first-zip-0.3.0/src/lib.rs:153:30
[INFO] [stdout]     |
[INFO] [stdout] 153 |             (self.iter.index.get() < index_sum).then(|| self.iter.next())??; // Comparison is just an optimization, not logically necessary
[INFO] [stdout]     |                              ^^^
[INFO] [stdout]    --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/slice/index.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `usize` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `ge` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/998b6603a58e47f42ccce7a67943234e96b6839e/library/core/src/cmp.rs:1440:5
[INFO] [stdout] help: trait `SliceIndex` which provides `get` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 45  + use core::slice::SliceIndex;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/breadth-first-zip-0.3.0/src/lib.rs:230:1
[INFO] [stdout]     |
[INFO] [stdout] 230 | breadth_first_zip_macros::implement!(); // Implement traits for (A,), (A, B), (A, B, C), (A, B, C, D), ...
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | expected type parameter `A`, found `(_,)`
[INFO] [stdout]     | this expression has type `A`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type parameter `A`
[INFO] [stdout]                         found tuple `(_,)`
[INFO] [stdout]     = note: this error originates in the macro `breadth_first_zip_macros::implement` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `self.iter` as mutable, as it is behind a `&` reference
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/breadth-first-zip-0.3.0/src/lib.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         self.iter.restart();
[INFO] [stdout]     |         ^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be a mutable reference in the `impl` method and the `trait` definition
[INFO] [stdout]     |
[INFO] [stdout] 94  ~     fn rewind(&mut self);
[INFO] [stdout] 95  | }
[INFO] [stdout] ...
[INFO] [stdout] 157 |     #[inline(always)]
[INFO] [stdout] 158 ~     fn rewind(&mut self) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `breadth-first-zip` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "765544ed5e59c99768c45a572d7444c6651e62cb1fe7942f26d0f923679a7bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "765544ed5e59c99768c45a572d7444c6651e62cb1fe7942f26d0f923679a7bb2", kill_on_drop: false }`
[INFO] [stdout] 765544ed5e59c99768c45a572d7444c6651e62cb1fe7942f26d0f923679a7bb2