[INFO] fetching crate intrusive-collections 0.9.7...
[INFO] checking intrusive-collections-0.9.7 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate intrusive-collections 0.9.7 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate intrusive-collections 0.9.7 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate intrusive-collections 0.9.7
[INFO] finished tweaking crates.io crate intrusive-collections 0.9.7
[INFO] tweaked toml for crates.io crate intrusive-collections 0.9.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dbea8ffaebf42e1dece6f6f606503ea437e7f182d389a600e445927a5702325
[INFO] running `Command { std: "docker" "start" "-a" "1dbea8ffaebf42e1dece6f6f606503ea437e7f182d389a600e445927a5702325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dbea8ffaebf42e1dece6f6f606503ea437e7f182d389a600e445927a5702325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbea8ffaebf42e1dece6f6f606503ea437e7f182d389a600e445927a5702325", kill_on_drop: false }`
[INFO] [stdout] 1dbea8ffaebf42e1dece6f6f606503ea437e7f182d389a600e445927a5702325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91abf3f971a20d3b7f51843d8096c341541e985be3531421d87fa0e69b19aa7c
[INFO] running `Command { std: "docker" "start" "-a" "91abf3f971a20d3b7f51843d8096c341541e985be3531421d87fa0e69b19aa7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking intrusive-collections v0.9.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]     --> src/rbtree.rs:2046:95
[INFO] [stdout]      |
[INFO] [stdout] 2046 |     pub fn insert<'a>(&'a mut self, val: <A::PointerOps as PointerOps>::Pointer) -> CursorMut<'_, A>
[INFO] [stdout]      |                   -- lifetime `'a` declared here                                              ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]     --> src/rbtree.rs:2046:95
[INFO] [stdout]      |
[INFO] [stdout] 2046 |     pub fn insert<'a>(&'a mut self, val: <A::PointerOps as PointerOps>::Pointer) -> CursorMut<'_, A>
[INFO] [stdout]      |                   -- lifetime `'a` declared here                                              ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_unchecked` is never used
[INFO] [stdout]   --> src/unchecked_option.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait UncheckedOptionExt<T> {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     unsafe fn unwrap_unchecked(self) -> T;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_unchecked` is never used
[INFO] [stdout]   --> src/unchecked_option.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait UncheckedOptionExt<T> {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     unsafe fn unwrap_unchecked(self) -> T;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "91abf3f971a20d3b7f51843d8096c341541e985be3531421d87fa0e69b19aa7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91abf3f971a20d3b7f51843d8096c341541e985be3531421d87fa0e69b19aa7c", kill_on_drop: false }`
[INFO] [stdout] 91abf3f971a20d3b7f51843d8096c341541e985be3531421d87fa0e69b19aa7c