[INFO] fetching crate toast-cell 0.3.0...
[INFO] checking toast-cell-0.3.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate toast-cell 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate toast-cell 0.3.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toast-cell 0.3.0
[INFO] finished tweaking crates.io crate toast-cell 0.3.0
[INFO] tweaked toml for crates.io crate toast-cell 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 984f2d670086355146ae36941ae162734501e012fa533ebf90a0c1ee2806005f
[INFO] running `Command { std: "docker" "start" "-a" "984f2d670086355146ae36941ae162734501e012fa533ebf90a0c1ee2806005f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "984f2d670086355146ae36941ae162734501e012fa533ebf90a0c1ee2806005f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984f2d670086355146ae36941ae162734501e012fa533ebf90a0c1ee2806005f", kill_on_drop: false }`
[INFO] [stdout] 984f2d670086355146ae36941ae162734501e012fa533ebf90a0c1ee2806005f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfd2d04f7165ca6f609d48a5ff243fa25316cd603d79357fa75ad78f7744845d
[INFO] running `Command { std: "docker" "start" "-a" "cfd2d04f7165ca6f609d48a5ff243fa25316cd603d79357fa75ad78f7744845d", kill_on_drop: false }`
[INFO] [stderr]     Checking type-factory v0.3.1
[INFO] [stderr]     Checking toast-cell v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `brand`
[INFO] [stdout]    --> src/lib.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn new(brand: B) -> Self {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_brand`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/lib.rs:99:1
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct Token<B>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:110:2
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn new(brand: B) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]    --> src/lib.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Cell<T, B>
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:131:2
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub const fn new(value: T) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:138:2
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn into_inner(self) -> T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:142:2
[INFO] [stdout]     |
[INFO] [stdout] 142 | /     pub fn take(&self, token: &mut Token<B>) -> T
[INFO] [stdout] 143 | |     where
[INFO] [stdout] 144 | |         T: Default,
[INFO] [stdout]     | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:149:2
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn replace(&self, value: T, token: &mut Token<B>) -> T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:159:2
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn from_mut(value: &mut T) -> &mut Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:164:2
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn get_mut(&mut self) -> &mut T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:168:2
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub const fn as_ptr(&self) -> *mut T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:172:2
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn borrow<'a>(&'a self, #[allow(unused_variables)] token: &'a Token<B>) -> &'a T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:177:2
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     pub fn borrow_mut<'a>(
[INFO] [stdout] 178 | |         &'a self,
[INFO] [stdout] 179 | |         #[allow(unused_variables)] token: &'a mut Token<B>,
[INFO] [stdout] 180 | |     ) -> &'a mut T {
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brand`
[INFO] [stdout]    --> src/lib.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn new(brand: B) -> Self {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_brand`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]   --> src/lib.rs:99:1
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct Token<B>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:110:2
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn new(brand: B) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct
[INFO] [stdout]    --> src/lib.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Cell<T, B>
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:131:2
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub const fn new(value: T) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:138:2
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn into_inner(self) -> T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:142:2
[INFO] [stdout]     |
[INFO] [stdout] 142 | /     pub fn take(&self, token: &mut Token<B>) -> T
[INFO] [stdout] 143 | |     where
[INFO] [stdout] 144 | |         T: Default,
[INFO] [stdout]     | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:149:2
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn replace(&self, value: T, token: &mut Token<B>) -> T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]    --> src/lib.rs:159:2
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn from_mut(value: &mut T) -> &mut Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:164:2
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn get_mut(&mut self) -> &mut T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:168:2
[INFO] [stdout]     |
[INFO] [stdout] 168 |     pub const fn as_ptr(&self) -> *mut T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:172:2
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn borrow<'a>(&'a self, #[allow(unused_variables)] token: &'a Token<B>) -> &'a T {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]    --> src/lib.rs:177:2
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     pub fn borrow_mut<'a>(
[INFO] [stdout] 178 | |         &'a self,
[INFO] [stdout] 179 | |         #[allow(unused_variables)] token: &'a mut Token<B>,
[INFO] [stdout] 180 | |     ) -> &'a mut T {
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "cfd2d04f7165ca6f609d48a5ff243fa25316cd603d79357fa75ad78f7744845d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd2d04f7165ca6f609d48a5ff243fa25316cd603d79357fa75ad78f7744845d", kill_on_drop: false }`
[INFO] [stdout] cfd2d04f7165ca6f609d48a5ff243fa25316cd603d79357fa75ad78f7744845d