[INFO] cloning repository https://github.com/jonhoo/rucache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonhoo/rucache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Frucache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Frucache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bbcd484573ed6d0ebf1356b6d216e8027d21843
[INFO] checking jonhoo/rucache against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhoo%2Frucache" "/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/jonhoo/rucache on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonhoo/rucache
[INFO] finished tweaking git repo https://github.com/jonhoo/rucache
[INFO] tweaked toml for git repo https://github.com/jonhoo/rucache written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jonhoo/rucache already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26f48e6d11bbf6f2db07a4ccd11465bba03ae7606fe53314da1094ff9a617718
[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" "26f48e6d11bbf6f2db07a4ccd11465bba03ae7606fe53314da1094ff9a617718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f48e6d11bbf6f2db07a4ccd11465bba03ae7606fe53314da1094ff9a617718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f48e6d11bbf6f2db07a4ccd11465bba03ae7606fe53314da1094ff9a617718", kill_on_drop: false }`
[INFO] [stdout] 26f48e6d11bbf6f2db07a4ccd11465bba03ae7606fe53314da1094ff9a617718
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 748d355a89e25d8bd4ec780ded916af6467ad0095da4b6b436fff9094c142dab
[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" "748d355a89e25d8bd4ec780ded916af6467ad0095da4b6b436fff9094c142dab", kill_on_drop: false }`
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking enum_primitive v0.0.2
[INFO] [stderr]     Checking rucache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `into_raw` in module `boxed`
[INFO] [stdout]    --> src/bins.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.vals[i].val.store(boxed::into_raw(Box::new(v.clone())), Ordering::SeqCst);
[INFO] [stdout]     |                                       ^^^^^^^^ not found in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `into_raw` in module `boxed`
[INFO] [stdout]    --> src/lib.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let newmp = boxed::into_raw(newm);
[INFO] [stdout]     |                            ^^^^^^^^ not found in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `into_raw` in module `boxed`
[INFO] [stdout]    --> src/lib.rs:235:24
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let newmp = boxed::into_raw(newm);
[INFO] [stdout]     |                        ^^^^^^^^ not found in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/types/mod.rs:127:41
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn transmit(mut self, to : &mut io::Write) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/memcache/mod.rs:29:78
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn fset(bytes : Vec<u8>, flags : u32, expires : i64, casid : u64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memcache/mod.rs:51:65
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn fadd(bytes : Vec<u8>, flags : u32, expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memcache/mod.rs:65:69
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn freplace(bytes : Vec<u8>, flags : u32, expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memcache/mod.rs:79:63
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn fjoin(bytes : Vec<u8>, prepend : bool, casid : u64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:112:53
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn fappend(bytes : Vec<u8>, casid : u64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:116:54
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub fn fprepend(bytes : Vec<u8>, casid : u64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:120:64
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn fpm(by : u64, def : u64, expires : i64, plus : bool) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:163:57
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn fincr(by : u64, def : u64, expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:167:57
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn fdecr(by : u64, def : u64, expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:172:37
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub fn ftouch(expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:41
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...&[u8], upd : Box<Fn(Option<&memcache::Item>) -> (memcache::Status, Result<memcache::Item, Option<String>>)>) -> MapResult {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&memcache::Item>) -> (memcache::Status, Result<memcache::Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:327:50
[INFO] [stdout]     |
[INFO] [stdout] 327 | ...[u8], upd : &Box<Fn(Option<&memcache::Item>) -> (memcache::Status, Result<memcache::Item, Option<String>>)>) -> MapResult {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&memcache::Item>) -> (memcache::Status, Result<memcache::Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `into_raw` in module `boxed`
[INFO] [stdout]    --> src/bins.rs:143:39
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.vals[i].val.store(boxed::into_raw(Box::new(v.clone())), Ordering::SeqCst);
[INFO] [stdout]     |                                       ^^^^^^^^ not found in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `into_raw` in module `boxed`
[INFO] [stdout]    --> src/lib.rs:147:28
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let newmp = boxed::into_raw(newm);
[INFO] [stdout]     |                            ^^^^^^^^ not found in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `into_raw` in module `boxed`
[INFO] [stdout]    --> src/lib.rs:235:24
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let newmp = boxed::into_raw(newm);
[INFO] [stdout]     |                        ^^^^^^^^ not found in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/types/mod.rs:127:41
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn transmit(mut self, to : &mut io::Write) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/memcache/mod.rs:29:78
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn fset(bytes : Vec<u8>, flags : u32, expires : i64, casid : u64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memcache/mod.rs:51:65
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn fadd(bytes : Vec<u8>, flags : u32, expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memcache/mod.rs:65:69
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn freplace(bytes : Vec<u8>, flags : u32, expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/memcache/mod.rs:79:63
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn fjoin(bytes : Vec<u8>, prepend : bool, casid : u64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:112:53
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn fappend(bytes : Vec<u8>, casid : u64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:116:54
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub fn fprepend(bytes : Vec<u8>, casid : u64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:120:64
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn fpm(by : u64, def : u64, expires : i64, plus : bool) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:163:57
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn fincr(by : u64, def : u64, expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:167:57
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub fn fdecr(by : u64, def : u64, expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/memcache/mod.rs:172:37
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub fn ftouch(expires : i64) -> Box<Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&Item>) -> (Status, Result<Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:168:41
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...&[u8], upd : Box<Fn(Option<&memcache::Item>) -> (memcache::Status, Result<memcache::Item, Option<String>>)>) -> MapResult {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&memcache::Item>) -> (memcache::Status, Result<memcache::Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:327:50
[INFO] [stdout]     |
[INFO] [stdout] 327 | ...[u8], upd : &Box<Fn(Option<&memcache::Item>) -> (memcache::Status, Result<memcache::Item, Option<String>>)>) -> MapResult {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&memcache::Item>) -> (memcache::Status, Result<memcache::Item, Option<String>>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rucache`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "748d355a89e25d8bd4ec780ded916af6467ad0095da4b6b436fff9094c142dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748d355a89e25d8bd4ec780ded916af6467ad0095da4b6b436fff9094c142dab", kill_on_drop: false }`
[INFO] [stdout] 748d355a89e25d8bd4ec780ded916af6467ad0095da4b6b436fff9094c142dab