[INFO] fetching crate stator 0.1.1...
[INFO] checking stator-0.1.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate stator 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate stator 0.1.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stator 0.1.1
[INFO] finished tweaking crates.io crate stator 0.1.1
[INFO] tweaked toml for crates.io crate stator 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a46a1dca9c9c99fe9998fb0075c75ec56302392ffdd3c5277797abaece094ba9
[INFO] running `Command { std: "docker" "start" "-a" "a46a1dca9c9c99fe9998fb0075c75ec56302392ffdd3c5277797abaece094ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a46a1dca9c9c99fe9998fb0075c75ec56302392ffdd3c5277797abaece094ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46a1dca9c9c99fe9998fb0075c75ec56302392ffdd3c5277797abaece094ba9", kill_on_drop: false }`
[INFO] [stdout] a46a1dca9c9c99fe9998fb0075c75ec56302392ffdd3c5277797abaece094ba9
[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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65e3ede69da9b94dc55b8ed0d2f79483e0c8e8e7f236e8a8dd89ce9e5d5f3e4
[INFO] running `Command { std: "docker" "start" "-a" "b65e3ede69da9b94dc55b8ed0d2f79483e0c8e8e7f236e8a8dd89ce9e5d5f3e4", kill_on_drop: false }`
[INFO] [stderr]     Checking stator v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:52
[INFO] [stdout]    |
[INFO] [stdout] 81 |     state_handlers: HashMap<StatorHashKey, Vec<Box<FnMut(&String) + 'a>>>
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&String) + 'a`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:52
[INFO] [stdout]    |
[INFO] [stdout] 81 |     state_handlers: HashMap<StatorHashKey, Vec<Box<FnMut(&String) + 'a>>>
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&String) + 'a`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/lib.rs:30:50
[INFO] [stdout]    |
[INFO] [stdout] 30 |     state.add_handler(States::a(), States::b(), |from: &String|
[INFO] [stdout]    |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/lib.rs:36:58
[INFO] [stdout]    |
[INFO] [stdout] 36 |     state.add_handler(Stator::any_state(), States::b(), |from: &String|
[INFO] [stdout]    |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/lib.rs:42:58
[INFO] [stdout]    |
[INFO] [stdout] 42 |     state.add_handler(States::a(), Stator::any_state(), |from: &String|
[INFO] [stdout]    |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/lib.rs:48:58
[INFO] [stdout]    |
[INFO] [stdout] 48 |     state.add_handler(Stator::any_state(), States::a(), |from: &String|
[INFO] [stdout]    |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "b65e3ede69da9b94dc55b8ed0d2f79483e0c8e8e7f236e8a8dd89ce9e5d5f3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65e3ede69da9b94dc55b8ed0d2f79483e0c8e8e7f236e8a8dd89ce9e5d5f3e4", kill_on_drop: false }`
[INFO] [stdout] b65e3ede69da9b94dc55b8ed0d2f79483e0c8e8e7f236e8a8dd89ce9e5d5f3e4