[INFO] fetching crate rcache 0.1.1...
[INFO] checking rcache-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate rcache 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rcache 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rcache 0.1.1
[INFO] finished tweaking crates.io crate rcache 0.1.1
[INFO] tweaked toml for crates.io crate rcache 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] c4cc03dfda832fc9160e7086047d04f0fa3a199375b1fc5c360d77c7ac399eb3
[INFO] running `"docker" "start" "-a" "c4cc03dfda832fc9160e7086047d04f0fa3a199375b1fc5c360d77c7ac399eb3"`
[INFO] [stderr]     Checking strsim v0.4.1
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking deque v0.3.2
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking clap v2.2.6
[INFO] [stderr]     Checking rcache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn get(&self, key: Vec<u8>) -> Box<Future<Item = Message, Error = io::Error>> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[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/client.rs:35:60
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn set(&self, key: Vec<u8>, value: Vec<u8>) -> Box<Future<Item = Message, Error = io::Error>> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn stats(&self) -> Box<Future<Item = Message, Error = io::Error>> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:50:23
[INFO] [stderr]    |
[INFO] [stderr] 50 |     type Future = Box<Future<Item = Message, Error = io::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:65:23
[INFO] [stderr]    |
[INFO] [stderr] 65 |     type Future = Box<Future<Item = Message, Error = io::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/service.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |     type Future = Box<Future<Item = Message, Error = io::Error>>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/service.rs:168:23
[INFO] [stderr]     |
[INFO] [stderr] 168 |     type Future = Box<Future<Item = Message, Error = io::Error>>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]  --> src/proto.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio_io::codec::Framed;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type Transport = Framed<T, CacheCodec>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     type Transport = Framed<T, CacheCodec>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: ambiguous associated item
[INFO] [stderr]    --> src/message.rs:188:40
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn try_from(i: u8) -> Result<Self, Self::Error> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^ help: use fully-qualified syntax: `<message::Code as TryFrom>::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(ambiguous_associated_items)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Error` could refer to variant defined here
[INFO] [stderr]    --> src/message.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     Error = 3,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] note: `Error` could also refer to associated type defined here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rcache`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:30:44
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn get(&self, key: Vec<u8>) -> Box<Future<Item = Message, Error = io::Error>> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[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/client.rs:35:60
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn set(&self, key: Vec<u8>, value: Vec<u8>) -> Box<Future<Item = Message, Error = io::Error>> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn stats(&self) -> Box<Future<Item = Message, Error = io::Error>> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:50:23
[INFO] [stderr]    |
[INFO] [stderr] 50 |     type Future = Box<Future<Item = Message, Error = io::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/service.rs:65:23
[INFO] [stderr]    |
[INFO] [stderr] 65 |     type Future = Box<Future<Item = Message, Error = io::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/service.rs:102:23
[INFO] [stderr]     |
[INFO] [stderr] 102 |     type Future = Box<Future<Item = Message, Error = io::Error>>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/service.rs:168:23
[INFO] [stderr]     |
[INFO] [stderr] 168 |     type Future = Box<Future<Item = Message, Error = io::Error>>;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Message, Error = io::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]  --> src/proto.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use tokio_io::codec::Framed;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type Transport = Framed<T, CacheCodec>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     type Transport = Framed<T, CacheCodec>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: ambiguous associated item
[INFO] [stderr]    --> src/message.rs:188:40
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn try_from(i: u8) -> Result<Self, Self::Error> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^ help: use fully-qualified syntax: `<message::Code as TryFrom>::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(ambiguous_associated_items)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stderr] note: `Error` could refer to variant defined here
[INFO] [stderr]    --> src/message.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     Error = 3,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] note: `Error` could also refer to associated type defined here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rcache`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c4cc03dfda832fc9160e7086047d04f0fa3a199375b1fc5c360d77c7ac399eb3"`
[INFO] running `"docker" "rm" "-f" "c4cc03dfda832fc9160e7086047d04f0fa3a199375b1fc5c360d77c7ac399eb3"`
[INFO] [stdout] c4cc03dfda832fc9160e7086047d04f0fa3a199375b1fc5c360d77c7ac399eb3