[INFO] fetching crate strand 0.1.2...
[INFO] checking strand-0.1.2 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate strand 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate strand 0.1.2 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strand 0.1.2
[INFO] finished tweaking crates.io crate strand 0.1.2
[INFO] tweaked toml for crates.io crate strand 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb52400c11d8cf18d24a876ae25ef37d50e8234b689d2872f47e3a6fb3f06463
[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" "bb52400c11d8cf18d24a876ae25ef37d50e8234b689d2872f47e3a6fb3f06463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb52400c11d8cf18d24a876ae25ef37d50e8234b689d2872f47e3a6fb3f06463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb52400c11d8cf18d24a876ae25ef37d50e8234b689d2872f47e3a6fb3f06463", kill_on_drop: false }`
[INFO] [stdout] bb52400c11d8cf18d24a876ae25ef37d50e8234b689d2872f47e3a6fb3f06463
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02ac2af330dd1ca3c4fa60538a83a73f7af2fdfefe339717f522e6c2ee3d57c
[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" "e02ac2af330dd1ca3c4fa60538a83a73f7af2fdfefe339717f522e6c2ee3d57c", kill_on_drop: false }`
[INFO] [stderr]     Checking strand v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T,S>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>{
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:16:42
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T,S>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mutable.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve<'a>(&'a mut self, event: &'a Event<T = T>) -> Result<(), Errors> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn as_event<T>(self) -> Box<Event<T = T>+Send>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/immutable.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn evolve(self, event: &Event<T = T>) -> Result<A, Errors>{
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Event<T = T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "e02ac2af330dd1ca3c4fa60538a83a73f7af2fdfefe339717f522e6c2ee3d57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02ac2af330dd1ca3c4fa60538a83a73f7af2fdfefe339717f522e6c2ee3d57c", kill_on_drop: false }`
[INFO] [stdout] e02ac2af330dd1ca3c4fa60538a83a73f7af2fdfefe339717f522e6c2ee3d57c