[INFO] updating cached repository https://github.com/RodrigoNascCarvalho/rust-101
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cd3636fce59aaacc8149d3e2daf67555a782fa9
[INFO] checking RodrigoNascCarvalho/rust-101 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRodrigoNascCarvalho%2Frust-101" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RodrigoNascCarvalho/rust-101 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RodrigoNascCarvalho/rust-101
[INFO] finished tweaking git repo https://github.com/RodrigoNascCarvalho/rust-101
[INFO] tweaked toml for git repo https://github.com/RodrigoNascCarvalho/rust-101 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/RodrigoNascCarvalho/rust-101 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 0f20b37d4b3322d9d6f67a465cc1003427e8057e5914be1f298070a4bee68532
[INFO] running `"docker" "start" "-a" "0f20b37d4b3322d9d6f67a465cc1003427e8057e5914be1f298070a4bee68532"`
[INFO] [stderr]     Checking rust-101-workspace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/part11.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     callbacks: Vec<Box<FnMut(i32)>>,
[INFO] [stderr]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[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/part11.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn register(&mut self, callback: Box<FnMut(i32)>) {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/part12.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     callbacks: Vec<Rc<Fn(i32)>>,
[INFO] [stderr]    |                       ^^^^^^^ help: use `dyn`: `dyn Fn(i32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/part12.rs:67:31
[INFO] [stderr]    |
[INFO] [stderr] 67 |     callbacks: Vec<Rc<RefCell<FnMut(i32)>>>,
[INFO] [stderr]    |                               ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/part11.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     callbacks: Vec<Box<FnMut(i32)>>,
[INFO] [stderr]    |                        ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[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/part11.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn register(&mut self, callback: Box<FnMut(i32)>) {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/part12.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     callbacks: Vec<Rc<Fn(i32)>>,
[INFO] [stderr]    |                       ^^^^^^^ help: use `dyn`: `dyn Fn(i32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/part12.rs:67:31
[INFO] [stderr]    |
[INFO] [stderr] 67 |     callbacks: Vec<Rc<RefCell<FnMut(i32)>>>,
[INFO] [stderr]    |                               ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "0f20b37d4b3322d9d6f67a465cc1003427e8057e5914be1f298070a4bee68532"`
[INFO] running `"docker" "rm" "-f" "0f20b37d4b3322d9d6f67a465cc1003427e8057e5914be1f298070a4bee68532"`
[INFO] [stdout] 0f20b37d4b3322d9d6f67a465cc1003427e8057e5914be1f298070a4bee68532