[INFO] fetching crate ralf 0.1.1...
[INFO] checking ralf-0.1.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate ralf 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ralf 0.1.1 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 ralf 0.1.1
[INFO] finished tweaking crates.io crate ralf 0.1.1
[INFO] tweaked toml for crates.io crate ralf 0.1.1 written to /workspace/builds/worker-0/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raft v0.1.0
[INFO] [stderr]   Downloaded flat_map v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 95adf9b8739a33539aa1982a8ec20a3485c6f23a4edbdbb4336880eae5472338
[INFO] running `Command { std: "docker" "start" "-a" "95adf9b8739a33539aa1982a8ec20a3485c6f23a4edbdbb4336880eae5472338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95adf9b8739a33539aa1982a8ec20a3485c6f23a4edbdbb4336880eae5472338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95adf9b8739a33539aa1982a8ec20a3485c6f23a4edbdbb4336880eae5472338", kill_on_drop: false }`
[INFO] [stdout] 95adf9b8739a33539aa1982a8ec20a3485c6f23a4edbdbb4336880eae5472338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5b7d2bafe2736b795d422794478610f1f2009f752cc8d6458c41473175055070
[INFO] running `Command { std: "docker" "start" "-a" "5b7d2bafe2736b795d422794478610f1f2009f752cc8d6458c41473175055070", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling protobuf v1.7.5
[INFO] [stderr]     Checking flat_map v0.0.4
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking raft v0.1.0
[INFO] [stderr]     Checking ralf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/state_machine.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     reducers: Vec<Box<&'a Reducer<T>>>,
[INFO] [stdout]    |                           ^^^^^^^^^^ help: use `dyn`: `dyn Reducer<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/state_machine.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn push_reducer(&mut self, reducer: &'a Reducer<T>) -> &mut Self {
[INFO] [stdout]    |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Reducer<T>`
[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]   --> src/state_machine.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 |     reducers: Vec<Box<&'a Reducer<T>>>,
[INFO] [stdout]    |                           ^^^^^^^^^^ help: use `dyn`: `dyn Reducer<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/state_machine.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn push_reducer(&mut self, reducer: &'a Reducer<T>) -> &mut Self {
[INFO] [stdout]    |                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Reducer<T>`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "5b7d2bafe2736b795d422794478610f1f2009f752cc8d6458c41473175055070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7d2bafe2736b795d422794478610f1f2009f752cc8d6458c41473175055070", kill_on_drop: false }`
[INFO] [stdout] 5b7d2bafe2736b795d422794478610f1f2009f752cc8d6458c41473175055070