[INFO] crate rsc 2.0.0 is already in cache
[INFO] checking rsc-2.0.0 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate rsc 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rsc 2.0.0 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5ddd6c35f2db9d41578af7c9bdf2010c7ec4d679dd925190b26f1fecd65ca6a
[INFO] running `"docker" "start" "-a" "e5ddd6c35f2db9d41578af7c9bdf2010c7ec4d679dd925190b26f1fecd65ca6a"`
[INFO] [stderr]     Checking rsc v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computer.rs:70:40
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub functions: HashMap<String, &'a Fn(T) -> T>,
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computer.rs:83:53
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 let mut map = HashMap::<String, &'a Fn(f64) -> f64>::new();
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computer.rs:70:40
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub functions: HashMap<String, &'a Fn(T) -> T>,
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/computer.rs:83:53
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 let mut map = HashMap::<String, &'a Fn(f64) -> f64>::new();
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "e5ddd6c35f2db9d41578af7c9bdf2010c7ec4d679dd925190b26f1fecd65ca6a"`
[INFO] running `"docker" "rm" "-f" "e5ddd6c35f2db9d41578af7c9bdf2010c7ec4d679dd925190b26f1fecd65ca6a"`
[INFO] [stdout] e5ddd6c35f2db9d41578af7c9bdf2010c7ec4d679dd925190b26f1fecd65ca6a