[INFO] cloning repository https://github.com/fuchsnj/actix_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fuchsnj/actix_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuchsnj%2Factix_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuchsnj%2Factix_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4543ce5f114fc4d6bb44e0390372f3ce48fe85a8
[INFO] testing fuchsnj/actix_bug against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuchsnj%2Factix_bug" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fuchsnj/actix_bug on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fuchsnj/actix_bug
[INFO] finished tweaking git repo https://github.com/fuchsnj/actix_bug
[INFO] tweaked toml for git repo https://github.com/fuchsnj/actix_bug written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fuchsnj/actix_bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-signal v0.1.3
[INFO] [stderr]   Downloaded actix_derive v0.1.1
[INFO] [stderr]   Downloaded actix v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f089ec51d0ce34257ef2b8d9047d54084d51768da46ed7e9fd310a6c511955d
[INFO] running `Command { std: "docker" "start" "-a" "2f089ec51d0ce34257ef2b8d9047d54084d51768da46ed7e9fd310a6c511955d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f089ec51d0ce34257ef2b8d9047d54084d51768da46ed7e9fd310a6c511955d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f089ec51d0ce34257ef2b8d9047d54084d51768da46ed7e9fd310a6c511955d", kill_on_drop: false }`
[INFO] [stdout] 2f089ec51d0ce34257ef2b8d9047d54084d51768da46ed7e9fd310a6c511955d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b3d7f1404cfe65d671a3736048a6e26d41ec218856f4889ae5698f944290dc1
[INFO] running `Command { std: "docker" "start" "-a" "9b3d7f1404cfe65d671a3736048a6e26d41ec218856f4889ae5698f944290dc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling pulldown-cmark v0.1.0
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling crossbeam v0.3.0
[INFO] [stderr]    Compiling smallvec v0.6.0
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling actix_derive v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling mio v0.6.12
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling tokio-signal v0.1.3
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]    Compiling actix v0.4.3
[INFO] [stderr]    Compiling actix_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arbiter`, `SyncAddress`, `msgs`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use actix::{msgs, Actor, Address, Arbiter, Context, System, Handler, ResponseType, ActorFuture, AsyncContext, SyncAddress};
[INFO] [stdout]   |             ^^^^                  ^^^^^^^                                                                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let addr: Address<_> = MyActor.start();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:20:74
[INFO] [stdout]    |
[INFO] [stdout] 20 |             ctx.spawn(wrap_future(addr.upgrade()).and_then(move |sync_address, _, ctx| {
[INFO] [stdout]    |                                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actor`
[INFO] [stdout]   --> src/main.rs:14:70
[INFO] [stdout]    |
[INFO] [stdout] 14 |         ctx.spawn(wrap_future(addr.upgrade()).and_then(move |sync_address, actor: &mut MyActor, ctx: &mut Context<MyActor>| {
[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]   --> src/main.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn handle(&mut self, msg: Message, ctx: &mut Self::Context) -> () {
[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]   --> src/main.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn handle(&mut self, msg: Message, ctx: &mut Self::Context) -> () {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.65s
[INFO] running `Command { std: "docker" "inspect" "9b3d7f1404cfe65d671a3736048a6e26d41ec218856f4889ae5698f944290dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b3d7f1404cfe65d671a3736048a6e26d41ec218856f4889ae5698f944290dc1", kill_on_drop: false }`
[INFO] [stdout] 9b3d7f1404cfe65d671a3736048a6e26d41ec218856f4889ae5698f944290dc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bacbaa8f5a18d0e220844559ee93d5d661213b4221b4560a7fae8613c016159
[INFO] running `Command { std: "docker" "start" "-a" "7bacbaa8f5a18d0e220844559ee93d5d661213b4221b4560a7fae8613c016159", kill_on_drop: false }`
[INFO] [stderr]    Compiling actix_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arbiter`, `SyncAddress`, `msgs`
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use actix::{msgs, Actor, Address, Arbiter, Context, System, Handler, ResponseType, ActorFuture, AsyncContext, SyncAddress};
[INFO] [stdout]   |             ^^^^                  ^^^^^^^                                                                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let addr: Address<_> = MyActor.start();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:20:74
[INFO] [stdout]    |
[INFO] [stdout] 20 |             ctx.spawn(wrap_future(addr.upgrade()).and_then(move |sync_address, _, ctx| {
[INFO] [stdout]    |                                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actor`
[INFO] [stdout]   --> src/main.rs:14:70
[INFO] [stdout]    |
[INFO] [stdout] 14 |         ctx.spawn(wrap_future(addr.upgrade()).and_then(move |sync_address, actor: &mut MyActor, ctx: &mut Context<MyActor>| {
[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]   --> src/main.rs:40:23
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn handle(&mut self, msg: Message, ctx: &mut Self::Context) -> () {
[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]   --> src/main.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn handle(&mut self, msg: Message, ctx: &mut Self::Context) -> () {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "7bacbaa8f5a18d0e220844559ee93d5d661213b4221b4560a7fae8613c016159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bacbaa8f5a18d0e220844559ee93d5d661213b4221b4560a7fae8613c016159", kill_on_drop: false }`
[INFO] [stdout] 7bacbaa8f5a18d0e220844559ee93d5d661213b4221b4560a7fae8613c016159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df64c0e978a2aa6c9411d686c525993d78da110c0e5a95a85764d368df1557e0
[INFO] running `Command { std: "docker" "start" "-a" "df64c0e978a2aa6c9411d686c525993d78da110c0e5a95a85764d368df1557e0", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Arbiter`, `SyncAddress`, `msgs`
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use actix::{msgs, Actor, Address, Arbiter, Context, System, Handler, ResponseType, ActorFuture, AsyncContext, SyncAddress};
[INFO] [stderr]   |             ^^^^                  ^^^^^^^                                                                     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:49:6
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let addr: Address<_> = MyActor.start();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/main.rs:20:74
[INFO] [stderr]    |
[INFO] [stderr] 20 |             ctx.spawn(wrap_future(addr.upgrade()).and_then(move |sync_address, _, ctx| {
[INFO] [stderr]    |                                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `actor`
[INFO] [stderr]   --> src/main.rs:14:70
[INFO] [stderr]    |
[INFO] [stderr] 14 |         ctx.spawn(wrap_future(addr.upgrade()).and_then(move |sync_address, actor: &mut MyActor, ctx: &mut Context<MyActor>| {
[INFO] [stderr]    |                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_actor`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:40:23
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn handle(&mut self, msg: Message, ctx: &mut Self::Context) -> () {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/main.rs:40:37
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn handle(&mut self, msg: Message, ctx: &mut Self::Context) -> () {
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/actix_bug-aa0b72098d6f462f)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df64c0e978a2aa6c9411d686c525993d78da110c0e5a95a85764d368df1557e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df64c0e978a2aa6c9411d686c525993d78da110c0e5a95a85764d368df1557e0", kill_on_drop: false }`
[INFO] [stdout] df64c0e978a2aa6c9411d686c525993d78da110c0e5a95a85764d368df1557e0