[INFO] fetching crate bottles 0.1.1...
[INFO] checking bottles-0.1.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate bottles 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bottles 0.1.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bottles 0.1.1
[INFO] finished tweaking crates.io crate bottles 0.1.1
[INFO] tweaked toml for crates.io crate bottles 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2a8acabadcc283d203d5c7cb047f1d4304f35da5c3ba51db30c9c36b4845bc5b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2a8acabadcc283d203d5c7cb047f1d4304f35da5c3ba51db30c9c36b4845bc5b"`
[INFO] [stderr]     Checking bottles v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `subs`
[INFO] [stderr]   --> src/dispatcher.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut subs = match self.map.get_mut(&TypeId::of::<T>()) {
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dispatcher.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut subs = match self.map.get_mut(&TypeId::of::<T>()) {
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dispatcher.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut wrapped = move |msg: *const ()| {
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dispatcher.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let mut subscribers = self.map.get_mut(&TypeId::of::<T>())
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/dispatcher.rs:91:27
[INFO] [stderr]    |
[INFO] [stderr] 91 |             let untyped = unsafe { Rc::into_raw(Rc::clone(&msg)) };
[INFO] [stderr]    |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/queue.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 |             queue.push(unsafe { Rc::into_raw(msg) } as *const ());
[INFO] [stderr]    |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subs`
[INFO] [stderr]   --> src/dispatcher.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut subs = match self.map.get_mut(&TypeId::of::<T>()) {
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dispatcher.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut subs = match self.map.get_mut(&TypeId::of::<T>()) {
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dispatcher.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let mut wrapped = move |msg: *const ()| {
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dispatcher.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let mut subscribers = self.map.get_mut(&TypeId::of::<T>())
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dispatcher.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let mut pop = move |msg| {
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/dispatcher.rs:91:27
[INFO] [stderr]    |
[INFO] [stderr] 91 |             let untyped = unsafe { Rc::into_raw(Rc::clone(&msg)) };
[INFO] [stderr]    |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/queue.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 |             queue.push(unsafe { Rc::into_raw(msg) } as *const ());
[INFO] [stderr]    |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Empty`
[INFO] [stderr]    --> src/dispatcher.rs:103:12
[INFO] [stderr]     |
[INFO] [stderr] 103 |     struct Empty {}
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Farawell`
[INFO] [stderr]    --> src/dispatcher.rs:109:12
[INFO] [stderr]     |
[INFO] [stderr] 109 |     struct Farawell {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Context`
[INFO] [stderr]    --> src/dispatcher.rs:113:12
[INFO] [stderr]     |
[INFO] [stderr] 113 |     struct Context {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "2a8acabadcc283d203d5c7cb047f1d4304f35da5c3ba51db30c9c36b4845bc5b"`
[INFO] running `"docker" "rm" "-f" "2a8acabadcc283d203d5c7cb047f1d4304f35da5c3ba51db30c9c36b4845bc5b"`
[INFO] [stdout] 2a8acabadcc283d203d5c7cb047f1d4304f35da5c3ba51db30c9c36b4845bc5b