[INFO] fetching crate riker-macros 0.2.0...
[INFO] checking riker-macros-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate riker-macros 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate riker-macros 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riker-macros 0.2.0
[INFO] finished tweaking crates.io crate riker-macros 0.2.0
[INFO] tweaked toml for crates.io crate riker-macros 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd8eefadd7f25e558d53269f2e15f930a7e0cf9c8b464fac23a06b2627ca06ad
[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" "fd8eefadd7f25e558d53269f2e15f930a7e0cf9c8b464fac23a06b2627ca06ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd8eefadd7f25e558d53269f2e15f930a7e0cf9c8b464fac23a06b2627ca06ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8eefadd7f25e558d53269f2e15f930a7e0cf9c8b464fac23a06b2627ca06ad", kill_on_drop: false }`
[INFO] [stdout] fd8eefadd7f25e558d53269f2e15f930a7e0cf9c8b464fac23a06b2627ca06ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b69ea5ee4371f945df20765fae1ea2574fb806c5e158638c60364c3537d63cf9
[INFO] running `Command { std: "docker" "start" "-a" "b69ea5ee4371f945df20765fae1ea2574fb806c5e158638c60364c3537d63cf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking riker-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `en`
[INFO] [stdout]  --> tests/macro.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let en = NewActorMsg::U32(1);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_en`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actor`
[INFO] [stdout]   --> tests/macro.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let actor = ActorRef::<NewActorMsg> { x: PhantomData };
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_actor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> tests/macro.rs:69:31
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn sys_receive(&mut self, msg: Self::Msg) {}
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> tests/macro.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn receive(&mut self, ctx: &Context<Self::Msg>, msg: u32, sender: Option<BasicActorRef>) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> tests/macro.rs:31:53
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn receive(&mut self, ctx: &Context<Self::Msg>, msg: u32, sender: Option<BasicActorRef>) {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> tests/macro.rs:31:63
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn receive(&mut self, ctx: &Context<Self::Msg>, msg: u32, sender: Option<BasicActorRef>) {
[INFO] [stdout]    |                                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> tests/macro.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn receive(&mut self, ctx: &Context<Self::Msg>, msg: String, sender: Option<BasicActorRef>) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> tests/macro.rs:39:53
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn receive(&mut self, ctx: &Context<Self::Msg>, msg: String, sender: Option<BasicActorRef>) {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]   --> tests/macro.rs:39:66
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn receive(&mut self, ctx: &Context<Self::Msg>, msg: String, sender: Option<BasicActorRef>) {
[INFO] [stdout]    |                                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> tests/macro.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let a = NewActor::default();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> tests/macro.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn send_msg(&self, msg: T, sender: Option<BasicActorRef>) {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> tests/macro.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn send_msg(&self, msg: T, sender: Option<BasicActorRef>) {
[INFO] [stdout]     |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_msg`
[INFO] [stdout]    --> tests/macro.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn send_msg(&self, msg: T, sender: Option<BasicActorRef>) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.26s
[INFO] running `Command { std: "docker" "inspect" "b69ea5ee4371f945df20765fae1ea2574fb806c5e158638c60364c3537d63cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69ea5ee4371f945df20765fae1ea2574fb806c5e158638c60364c3537d63cf9", kill_on_drop: false }`
[INFO] [stdout] b69ea5ee4371f945df20765fae1ea2574fb806c5e158638c60364c3537d63cf9