[INFO] fetching crate reactive-rs 0.1.1...
[INFO] checking reactive-rs-0.1.1 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate reactive-rs 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate reactive-rs 0.1.1 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reactive-rs 0.1.1
[INFO] finished tweaking crates.io crate reactive-rs 0.1.1
[INFO] tweaked toml for crates.io crate reactive-rs 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30e23621d409497549aee4e0646c602094b0d59fa17bf782a9a3e0718a95db1f
[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" "30e23621d409497549aee4e0646c602094b0d59fa17bf782a9a3e0718a95db1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30e23621d409497549aee4e0646c602094b0d59fa17bf782a9a3e0718a95db1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e23621d409497549aee4e0646c602094b0d59fa17bf782a9a3e0718a95db1f", kill_on_drop: false }`
[INFO] [stdout] 30e23621d409497549aee4e0646c602094b0d59fa17bf782a9a3e0718a95db1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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] 46e26f46490876c141f85975ead0f3e87fdfc16c66f984fa84ee272a069ddc0a
[INFO] running `Command { std: "docker" "start" "-a" "46e26f46490876c141f85975ead0f3e87fdfc16c66f984fa84ee272a069ddc0a", kill_on_drop: false }`
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking reactive-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/stream.rs:499:31
[INFO] [stdout]     |
[INFO] [stdout] 499 | type Callback<'a, C, T> = Box<'a + FnMut(&C, &T)>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + FnMut(&C, &T)`
[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]    --> src/stream.rs:499:31
[INFO] [stdout]     |
[INFO] [stdout] 499 | type Callback<'a, C, T> = Box<'a + FnMut(&C, &T)>;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + FnMut(&C, &T)`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "46e26f46490876c141f85975ead0f3e87fdfc16c66f984fa84ee272a069ddc0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e26f46490876c141f85975ead0f3e87fdfc16c66f984fa84ee272a069ddc0a", kill_on_drop: false }`
[INFO] [stdout] 46e26f46490876c141f85975ead0f3e87fdfc16c66f984fa84ee272a069ddc0a