[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 try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Frs-playground" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shakyShane/rs-playground on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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-12/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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b1f36f49e46a271f80937ab995dccee211698cc8e0dbe5c5cdcbaa1cdc715f01
[INFO] running `Command { std: "docker" "start" "-a" "b1f36f49e46a271f80937ab995dccee211698cc8e0dbe5c5cdcbaa1cdc715f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1f36f49e46a271f80937ab995dccee211698cc8e0dbe5c5cdcbaa1cdc715f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f36f49e46a271f80937ab995dccee211698cc8e0dbe5c5cdcbaa1cdc715f01", kill_on_drop: false }`
[INFO] [stdout] b1f36f49e46a271f80937ab995dccee211698cc8e0dbe5c5cdcbaa1cdc715f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 565f119156842fd160366f31672beb475fdde30a1ba2295df8e3919a35dff88f
[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" "565f119156842fd160366f31672beb475fdde30a1ba2295df8e3919a35dff88f", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.8
[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 serde_yaml v0.8.4
[INFO] [stderr]     Checking serde_json v1.0.27
[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 35.33s
[INFO] running `Command { std: "docker" "inspect" "565f119156842fd160366f31672beb475fdde30a1ba2295df8e3919a35dff88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565f119156842fd160366f31672beb475fdde30a1ba2295df8e3919a35dff88f", kill_on_drop: false }`
[INFO] [stdout] 565f119156842fd160366f31672beb475fdde30a1ba2295df8e3919a35dff88f