[INFO] updating cached repository https://github.com/shakyShane/rs-playground
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 616c25b008485e7b5e315f1b989ec26278ea6331
[INFO] checking shakyShane/rs-playground against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Frs-playground" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shakyShane/rs-playground on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shakyShane/rs-playground
[INFO] finished tweaking git repo https://github.com/shakyShane/rs-playground
[INFO] tweaked toml for git repo https://github.com/shakyShane/rs-playground written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/shakyShane/rs-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f7f4834ec90efe721ff3a2821cd98ea67cbeb8ae9b927c44bea8a32a9dd7de5
[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" "9f7f4834ec90efe721ff3a2821cd98ea67cbeb8ae9b927c44bea8a32a9dd7de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f7f4834ec90efe721ff3a2821cd98ea67cbeb8ae9b927c44bea8a32a9dd7de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7f4834ec90efe721ff3a2821cd98ea67cbeb8ae9b927c44bea8a32a9dd7de5", kill_on_drop: false }`
[INFO] [stdout] 9f7f4834ec90efe721ff3a2821cd98ea67cbeb8ae9b927c44bea8a32a9dd7de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e47cfeafe5987fcd588d8590c308858eded773a0fb6fa3bead14a1c35e4b048
[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" "1e47cfeafe5987fcd588d8590c308858eded773a0fb6fa3bead14a1c35e4b048", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking serde_json v1.0.27
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking serde_yaml v0.8.4
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling from_file_derive v0.1.3
[INFO] [stderr]     Checking from_file v0.1.3
[INFO] [stderr]     Checking rs-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/compose.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |        -> Box<Fn(T1) -> T3 + 'f>
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T1) -> T3 + 'f`
[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/trait_obj.rs:27:37
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn get_middlewares<'a>() -> Vec<&'a Middleware<AppState>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<AppState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash_map.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut m: HashMap<usize, Box<Speak>> = HashMap::new();
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Speak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/compose.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |        -> Box<Fn(T1) -> T3 + 'f>
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T1) -> T3 + 'f`
[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/trait_obj.rs:27:37
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn get_middlewares<'a>() -> Vec<&'a Middleware<AppState>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Middleware<AppState>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash_map.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut m: HashMap<usize, Box<Speak>> = HashMap::new();
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Speak`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.73s
[INFO] running `Command { std: "docker" "inspect" "1e47cfeafe5987fcd588d8590c308858eded773a0fb6fa3bead14a1c35e4b048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e47cfeafe5987fcd588d8590c308858eded773a0fb6fa3bead14a1c35e4b048", kill_on_drop: false }`
[INFO] [stdout] 1e47cfeafe5987fcd588d8590c308858eded773a0fb6fa3bead14a1c35e4b048