[INFO] fetching crate bottles 0.1.1...
[INFO] checking bottles-0.1.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[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 a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a3afe0c841814be817771991e5d17e40977e1ac59ff5787a41e50d7c255806b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a3afe0c841814be817771991e5d17e40977e1ac59ff5787a41e50d7c255806b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a3afe0c841814be817771991e5d17e40977e1ac59ff5787a41e50d7c255806b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3afe0c841814be817771991e5d17e40977e1ac59ff5787a41e50d7c255806b", kill_on_drop: false }`
[INFO] [stdout] 6a3afe0c841814be817771991e5d17e40977e1ac59ff5787a41e50d7c255806b
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f13e5a2b7b9b1920054987588047108ce4c109a1a426248cd6326e18e82ba6f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f13e5a2b7b9b1920054987588047108ce4c109a1a426248cd6326e18e82ba6f7", kill_on_drop: false }`
[INFO] [stderr]     Checking bottles v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `subs`
[INFO] [stdout]   --> src/dispatcher.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut subs = match self.map.get_mut(&TypeId::of::<T>()) {
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dispatcher.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut subs = match self.map.get_mut(&TypeId::of::<T>()) {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dispatcher.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut wrapped = move |msg: *const ()| {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dispatcher.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut subscribers = self.map.get_mut(&TypeId::of::<T>())
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/dispatcher.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let untyped = unsafe { Rc::into_raw(Rc::clone(&msg)) };
[INFO] [stdout]    |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/queue.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |             queue.push(unsafe { Rc::into_raw(msg) } as *const ());
[INFO] [stdout]    |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subs`
[INFO] [stdout]   --> src/dispatcher.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut subs = match self.map.get_mut(&TypeId::of::<T>()) {
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dispatcher.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut subs = match self.map.get_mut(&TypeId::of::<T>()) {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dispatcher.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let mut wrapped = move |msg: *const ()| {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/dispatcher.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut subscribers = self.map.get_mut(&TypeId::of::<T>())
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dispatcher.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut pop = move |msg| {
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/dispatcher.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |             let untyped = unsafe { Rc::into_raw(Rc::clone(&msg)) };
[INFO] [stdout]    |                           ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/queue.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |             queue.push(unsafe { Rc::into_raw(msg) } as *const ());
[INFO] [stdout]    |                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Empty`
[INFO] [stdout]    --> src/dispatcher.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout] 103 |     struct Empty {}
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Farawell`
[INFO] [stdout]    --> src/dispatcher.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     struct Farawell {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Context`
[INFO] [stdout]    --> src/dispatcher.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 113 |     struct Context {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "f13e5a2b7b9b1920054987588047108ce4c109a1a426248cd6326e18e82ba6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13e5a2b7b9b1920054987588047108ce4c109a1a426248cd6326e18e82ba6f7", kill_on_drop: false }`
[INFO] [stdout] f13e5a2b7b9b1920054987588047108ce4c109a1a426248cd6326e18e82ba6f7