[INFO] fetching crate epoxy_frp 0.3.1...
[INFO] checking epoxy_frp-0.3.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate epoxy_frp 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate epoxy_frp 0.3.1 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 epoxy_frp 0.3.1
[INFO] finished tweaking crates.io crate epoxy_frp 0.3.1
[INFO] tweaked toml for crates.io crate epoxy_frp 0.3.1 written to /workspace/builds/worker-8/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded epoxy_macros v0.3.1
[INFO] [stderr]   Downloaded epoxy_streams v0.3.1
[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" "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] 0ad56e72780c17c8986af722e4faa2a3fa2655e01145a7ea1fc712d47e77b76f
[INFO] running `Command { std: "docker" "start" "-a" "0ad56e72780c17c8986af722e4faa2a3fa2655e01145a7ea1fc712d47e77b76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ad56e72780c17c8986af722e4faa2a3fa2655e01145a7ea1fc712d47e77b76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad56e72780c17c8986af722e4faa2a3fa2655e01145a7ea1fc712d47e77b76f", kill_on_drop: false }`
[INFO] [stdout] 0ad56e72780c17c8986af722e4faa2a3fa2655e01145a7ea1fc712d47e77b76f
[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" "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] [stdout] 219557ae12f7eca3910c6c4101411e4e950ec09fd235beef4f35ec8e53b7cdbb
[INFO] running `Command { std: "docker" "start" "-a" "219557ae12f7eca3910c6c4101411e4e950ec09fd235beef4f35ec8e53b7cdbb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling epoxy_streams v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling epoxy_macros v0.3.1
[INFO] [stderr]     Checking epoxy_frp v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> examples/reactive_scores.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let player_1_points = epoxy::ReactiveValue::new(4);
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn epoxy::ReactiveValue>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> examples/reactive_scores.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let player_1_multiplier = epoxy::ReactiveValue::new(1.0_f32);
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn epoxy::ReactiveValue>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/reactive_scores.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let player_2_points = epoxy::ReactiveValue::new(5);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn epoxy::ReactiveValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/reactive_scores.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let player_2_multiplier = epoxy::ReactiveValue::new(1.0_f32);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn epoxy::ReactiveValue>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.10s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "219557ae12f7eca3910c6c4101411e4e950ec09fd235beef4f35ec8e53b7cdbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219557ae12f7eca3910c6c4101411e4e950ec09fd235beef4f35ec8e53b7cdbb", kill_on_drop: false }`
[INFO] [stdout] 219557ae12f7eca3910c6c4101411e4e950ec09fd235beef4f35ec8e53b7cdbb