[INFO] fetching crate noir_macros_core 1.1.1...
[INFO] checking noir_macros_core-1.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate noir_macros_core 1.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate noir_macros_core 1.1.1
[INFO] finished tweaking crates.io crate noir_macros_core 1.1.1
[INFO] tweaked toml for crates.io crate noir_macros_core 1.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate noir_macros_core 1.1.1 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] 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1ec008548c70beec543c79733ca2d8430f518173f137394ce7b374778ba3a4f0
[INFO] running `Command { std: "docker" "start" "-a" "1ec008548c70beec543c79733ca2d8430f518173f137394ce7b374778ba3a4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ec008548c70beec543c79733ca2d8430f518173f137394ce7b374778ba3a4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec008548c70beec543c79733ca2d8430f518173f137394ce7b374778ba3a4f0", kill_on_drop: false }`
[INFO] [stdout] 1ec008548c70beec543c79733ca2d8430f518173f137394ce7b374778ba3a4f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9ec50b8b220ae24d030678e01e46caf6a411a261072b7fd87ad0e22f811c3fd8
[INFO] running `Command { std: "docker" "start" "-a" "9ec50b8b220ae24d030678e01e46caf6a411a261072b7fd87ad0e22f811c3fd8", kill_on_drop: false }`
[INFO] [stderr]     Checking noir_macros_core v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/lib.rs:1088:9
[INFO] [stdout]      |
[INFO] [stdout] 845  |                   core::str::from_utf8_unchecked(&(*buffer.buf.get())[..*buffer.pos.get()])
[INFO] [stdout]      |                                                     ---------------- this raw pointer has type `*mut Vec<u8>`
[INFO] [stdout] ...
[INFO] [stdout] 1088 | /         bitflags! {
[INFO] [stdout] 1089 | |             struct Flags: u8 {
[INFO] [stdout] 1090 | |                 const A = 0b0001;
[INFO] [stdout] 1091 | |                 const B = 0b0010;
[INFO] [stdout] ...    |
[INFO] [stdout] 1095 | |         }
[INFO] [stdout]      | |_________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Vec<u8>`
[INFO] [stdout]     --> src/lib.rs:845:49
[INFO] [stdout]      |
[INFO] [stdout] 845  |                   core::str::from_utf8_unchecked(&(*buffer.buf.get())[..*buffer.pos.get()])
[INFO] [stdout]      |                                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1088 | /         bitflags! {
[INFO] [stdout] 1089 | |             struct Flags: u8 {
[INFO] [stdout] 1090 | |                 const A = 0b0001;
[INFO] [stdout] 1091 | |                 const B = 0b0010;
[INFO] [stdout] ...    |
[INFO] [stdout] 1095 | |         }
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout]      = note: this error originates in the macro `format` which comes from the expansion of the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]      |
[INFO] [stdout] 845  |                 core::str::from_utf8_unchecked(&(&(*buffer.buf.get()))[..*buffer.pos.get()])
[INFO] [stdout]      |                                                 ++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `noir_macros_core` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9ec50b8b220ae24d030678e01e46caf6a411a261072b7fd87ad0e22f811c3fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec50b8b220ae24d030678e01e46caf6a411a261072b7fd87ad0e22f811c3fd8", kill_on_drop: false }`
[INFO] [stdout] 9ec50b8b220ae24d030678e01e46caf6a411a261072b7fd87ad0e22f811c3fd8