[INFO] fetching crate derive-quickcheck 0.2.0...
[INFO] checking derive-quickcheck-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate derive-quickcheck 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate derive-quickcheck 0.2.0
[INFO] finished tweaking crates.io crate derive-quickcheck 0.2.0
[INFO] tweaked toml for crates.io crate derive-quickcheck 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive-quickcheck 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded breadth-first-zip-macros v0.3.0
[INFO] [stderr]   Downloaded reiterator v0.3.0
[INFO] [stderr]   Downloaded breadth-first-zip v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab8b844911ac7eea6d3b2293a30db036d9122c5077e77d438817d62b78d690a6
[INFO] running `Command { std: "docker" "start" "-a" "ab8b844911ac7eea6d3b2293a30db036d9122c5077e77d438817d62b78d690a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab8b844911ac7eea6d3b2293a30db036d9122c5077e77d438817d62b78d690a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8b844911ac7eea6d3b2293a30db036d9122c5077e77d438817d62b78d690a6", kill_on_drop: false }`
[INFO] [stdout] ab8b844911ac7eea6d3b2293a30db036d9122c5077e77d438817d62b78d690a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4374bdef8e6a72a905f6ede99fbd1474aa530035816ea82bb5272cc74ec5bf30
[INFO] running `Command { std: "docker" "start" "-a" "4374bdef8e6a72a905f6ede99fbd1474aa530035816ea82bb5272cc74ec5bf30", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling reiterator v0.3.0
[INFO] [stderr]    Compiling breadth-first-zip-macros v0.3.0
[INFO] [stderr]    Compiling breadth-first-zip v0.3.0
[INFO] [stderr]    Compiling derive-quickcheck v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking heck v0.5.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.106
[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]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter `B`, found `(_,)`
[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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/cmp.rs:1441:5
[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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/slice/index.rs:173:8
[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/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/cmp.rs:1441:5
[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]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter `A`, found `(_,)`
[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] running `Command { std: "docker" "inspect" "4374bdef8e6a72a905f6ede99fbd1474aa530035816ea82bb5272cc74ec5bf30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4374bdef8e6a72a905f6ede99fbd1474aa530035816ea82bb5272cc74ec5bf30", kill_on_drop: false }`
[INFO] [stdout] 4374bdef8e6a72a905f6ede99fbd1474aa530035816ea82bb5272cc74ec5bf30