[INFO] fetching crate wu 0.1.0...
[INFO] checking wu-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate wu 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate wu 0.1.0
[INFO] finished tweaking crates.io crate wu 0.1.0
[INFO] tweaked toml for crates.io crate wu 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wu 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wu 0.1.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clipboard-win v4.2.1
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded tinyvec v1.4.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.66
[INFO] [stderr]   Downloaded git2 v0.6.11
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.21
[INFO] [stderr]   Downloaded curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]   Downloaded libgit2-sys v0.6.19
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e70b80ea55ed93c13788c19f35f04d81f17d199a1b49fab7307d4aa037a610b9
[INFO] running `Command { std: "docker" "start" "-a" "e70b80ea55ed93c13788c19f35f04d81f17d199a1b49fab7307d4aa037a610b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e70b80ea55ed93c13788c19f35f04d81f17d199a1b49fab7307d4aa037a610b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70b80ea55ed93c13788c19f35f04d81f17d199a1b49fab7307d4aa037a610b9", kill_on_drop: false }`
[INFO] [stdout] e70b80ea55ed93c13788c19f35f04d81f17d199a1b49fab7307d4aa037a610b9
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0766d38446638b58901b8dfc3fa9d7d35625898ca7f5023c3cfe4db4a5e869b9
[INFO] running `Command { std: "docker" "start" "-a" "0766d38446638b58901b8dfc3fa9d7d35625898ca7f5023c3cfe4db4a5e869b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking fd-lock v3.0.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr]     Checking git2 v0.6.11
[INFO] [stderr]     Checking wu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(mutable_borrow_reservation_conflict)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(mutable_borrow_reservation_conflict)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params_t`
[INFO] [stdout]     --> src/wu/visitor/visitor.rs:1085:25
[INFO] [stdout]      |
[INFO] [stdout] 1085 |                     let params_t = Type::new(TypeNode::Any, TypeMode::Splat(None));
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_params_t`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExternBlock` is never constructed
[INFO] [stdout]   --> src/wu/parser/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum StatementNode {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     ExternBlock(Rc<Statement>),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatementNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Nothing` is never constructed
[INFO] [stdout]    --> src/wu/visitor/visitor.rs:343:5
[INFO] [stdout]     |
[INFO] [stdout] 341 | pub enum FlagContext {
[INFO] [stdout]     |          ----------- variant in this enum
[INFO] [stdout] 342 |     Block(Option<Type>),
[INFO] [stdout] 343 |     Nothing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FlagContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params_t`
[INFO] [stdout]     --> src/wu/visitor/visitor.rs:1085:25
[INFO] [stdout]      |
[INFO] [stdout] 1085 |                     let params_t = Type::new(TypeNode::Any, TypeMode::Splat(None));
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_params_t`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExternBlock` is never constructed
[INFO] [stdout]   --> src/wu/parser/ast.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum StatementNode {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     ExternBlock(Rc<Statement>),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatementNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Nothing` is never constructed
[INFO] [stdout]    --> src/wu/visitor/visitor.rs:343:5
[INFO] [stdout]     |
[INFO] [stdout] 341 | pub enum FlagContext {
[INFO] [stdout]     |          ----------- variant in this enum
[INFO] [stdout] 342 |     Block(Option<Type>),
[INFO] [stdout] 343 |     Nothing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FlagContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] running `Command { std: "docker" "inspect" "0766d38446638b58901b8dfc3fa9d7d35625898ca7f5023c3cfe4db4a5e869b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0766d38446638b58901b8dfc3fa9d7d35625898ca7f5023c3cfe4db4a5e869b9", kill_on_drop: false }`
[INFO] [stdout] 0766d38446638b58901b8dfc3fa9d7d35625898ca7f5023c3cfe4db4a5e869b9
