[INFO] fetching crate rsc 2.0.0...
[INFO] checking rsc-2.0.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate rsc 2.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rsc 2.0.0 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 rsc 2.0.0
[INFO] finished tweaking crates.io crate rsc 2.0.0
[INFO] tweaked toml for crates.io crate rsc 2.0.0 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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eab4aa08124e6f50f995c05c09abf9264e1a426cf29e283531be5fc0b2cf3c6
[INFO] running `Command { std: "docker" "start" "-a" "5eab4aa08124e6f50f995c05c09abf9264e1a426cf29e283531be5fc0b2cf3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eab4aa08124e6f50f995c05c09abf9264e1a426cf29e283531be5fc0b2cf3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eab4aa08124e6f50f995c05c09abf9264e1a426cf29e283531be5fc0b2cf3c6", kill_on_drop: false }`
[INFO] [stdout] 5eab4aa08124e6f50f995c05c09abf9264e1a426cf29e283531be5fc0b2cf3c6
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ee1ada40a25b7c4bcce6349449afa3f4b136772d50e5b4c802cefac1bfb9f4
[INFO] running `Command { std: "docker" "start" "-a" "97ee1ada40a25b7c4bcce6349449afa3f4b136772d50e5b4c802cefac1bfb9f4", kill_on_drop: false }`
[INFO] [stderr]     Checking rsc v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/computer.rs:70:40
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub functions: HashMap<String, &'a Fn(T) -> T>,
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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/computer.rs:83:53
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let mut map = HashMap::<String, &'a Fn(f64) -> f64>::new();
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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/computer.rs:70:40
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub functions: HashMap<String, &'a Fn(T) -> T>,
[INFO] [stdout]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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/computer.rs:83:53
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let mut map = HashMap::<String, &'a Fn(f64) -> f64>::new();
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97ee1ada40a25b7c4bcce6349449afa3f4b136772d50e5b4c802cefac1bfb9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ee1ada40a25b7c4bcce6349449afa3f4b136772d50e5b4c802cefac1bfb9f4", kill_on_drop: false }`
[INFO] [stdout] 97ee1ada40a25b7c4bcce6349449afa3f4b136772d50e5b4c802cefac1bfb9f4