[INFO] fetching crate rsc 2.0.0...
[INFO] checking rsc-2.0.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate rsc 2.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rsc 2.0.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b4003811b8aa1f60ae8e86560cebcca037a05cf9bd463a3c0c5fc50244d0dd1
[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" "0b4003811b8aa1f60ae8e86560cebcca037a05cf9bd463a3c0c5fc50244d0dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b4003811b8aa1f60ae8e86560cebcca037a05cf9bd463a3c0c5fc50244d0dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4003811b8aa1f60ae8e86560cebcca037a05cf9bd463a3c0c5fc50244d0dd1", kill_on_drop: false }`
[INFO] [stdout] 0b4003811b8aa1f60ae8e86560cebcca037a05cf9bd463a3c0c5fc50244d0dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a9f2c844d9c8f7d3f16e0106a9c2a96d7e88c2f1b146152c4121bb26aaeea87
[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" "8a9f2c844d9c8f7d3f16e0106a9c2a96d7e88c2f1b146152c4121bb26aaeea87", 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] 
[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] 
[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] 
[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] 
[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 0.86s
[INFO] running `Command { std: "docker" "inspect" "8a9f2c844d9c8f7d3f16e0106a9c2a96d7e88c2f1b146152c4121bb26aaeea87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9f2c844d9c8f7d3f16e0106a9c2a96d7e88c2f1b146152c4121bb26aaeea87", kill_on_drop: false }`
[INFO] [stdout] 8a9f2c844d9c8f7d3f16e0106a9c2a96d7e88c2f1b146152c4121bb26aaeea87