[INFO] fetching crate flep 0.2.0...
[INFO] building flep-0.2.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate flep 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate flep 0.2.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flep 0.2.0
[INFO] finished tweaking crates.io crate flep 0.2.0
[INFO] tweaked toml for crates.io crate flep 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flep_protocol v0.2.0
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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] a7b59eb2a14f8ba5b74683baadad49064dfefccac874a5d53192e16d1707ee84
[INFO] running `Command { std: "docker" "start" "-a" "a7b59eb2a14f8ba5b74683baadad49064dfefccac874a5d53192e16d1707ee84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7b59eb2a14f8ba5b74683baadad49064dfefccac874a5d53192e16d1707ee84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b59eb2a14f8ba5b74683baadad49064dfefccac874a5d53192e16d1707ee84", kill_on_drop: false }`
[INFO] [stdout] a7b59eb2a14f8ba5b74683baadad49064dfefccac874a5d53192e16d1707ee84
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", 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] c726b0188025b331a7fa175e09a325ec64f5926ddd2aebab5c964c50d762ca3d
[INFO] running `Command { std: "docker" "start" "-a" "c726b0188025b331a7fa175e09a325ec64f5926ddd2aebab5c964c50d762ca3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rfc1700 v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling addr2line v0.15.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling flep_protocol v0.2.0
[INFO] [stderr]    Compiling flep v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/server.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn file_system(&self) -> &FileSystem;
[INFO] [stdout]    |                               ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/server.rs:16:43
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn file_system_mut(&mut self) -> &mut FileSystem;
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/client.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 | ...                   server: &mut Server,
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/user.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |               server: &mut Server)
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/pass.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |               server: &mut Server)
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/server/client/state/handle/list.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |               server: &mut Server)
[INFO] [stdout]   |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/server/client/state/handle/retr.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |               server: &mut Server)
[INFO] [stdout]   |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/mkd.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |               server: &mut Server)
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/mod.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 26 |                server: &mut Server) -> Result<Action, Error> {
[INFO] [stdout]    |                             ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/mod.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |                       server: &mut Server)
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/mod.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     server: &mut Server,
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/client_io.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     server: &mut Server,
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/client_io.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |                          server: &mut Server)
[INFO] [stdout]    |                                       ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     types {
[INFO] [stdout] 5  | |         Error, ErrorKind, ResultExt;
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     types {
[INFO] [stdout] 5  | |         Error, ErrorKind, ResultExt;
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server/run.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         let mut client_data = client.get_mut();
[INFO] [stdout]     |                             ----^^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "c726b0188025b331a7fa175e09a325ec64f5926ddd2aebab5c964c50d762ca3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c726b0188025b331a7fa175e09a325ec64f5926ddd2aebab5c964c50d762ca3d", kill_on_drop: false }`
[INFO] [stdout] c726b0188025b331a7fa175e09a325ec64f5926ddd2aebab5c964c50d762ca3d
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 028924777df1da0ac4b8eebdcd475666340f95dceecca8bb4e1801a14f60e61d
[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" "028924777df1da0ac4b8eebdcd475666340f95dceecca8bb4e1801a14f60e61d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/server.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn file_system(&self) -> &FileSystem;
[INFO] [stdout]    |                               ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/server.rs:16:43
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn file_system_mut(&mut self) -> &mut FileSystem;
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/client.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 | ...                   server: &mut Server,
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/user.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |               server: &mut Server)
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/pass.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |               server: &mut Server)
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/server/client/state/handle/list.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |               server: &mut Server)
[INFO] [stdout]   |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/server/client/state/handle/retr.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |               server: &mut Server)
[INFO] [stdout]   |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/mkd.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |               server: &mut Server)
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/mod.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 26 |                server: &mut Server) -> Result<Action, Error> {
[INFO] [stdout]    |                             ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/mod.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |                       server: &mut Server)
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/mod.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     server: &mut Server,
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/client_io.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     server: &mut Server,
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/client_io.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |                          server: &mut Server)
[INFO] [stdout]    |                                       ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     types {
[INFO] [stdout] 5  | |         Error, ErrorKind, ResultExt;
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling flep v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     types {
[INFO] [stdout] 5  | |         Error, ErrorKind, ResultExt;
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server/run.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         let mut client_data = client.get_mut();
[INFO] [stdout]     |                             ----^^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/basic_server.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn file_system(&self) -> &flep::fs::FileSystem {
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn flep::fs::FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/basic_server.rs:19:43
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn file_system_mut(&mut self) -> &mut flep::fs::FileSystem {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn flep::fs::FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/server.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn file_system(&self) -> &FileSystem;
[INFO] [stdout]    |                               ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/server.rs:16:43
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn file_system_mut(&mut self) -> &mut FileSystem;
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/client.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 | ...                   server: &mut Server,
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/user.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |               server: &mut Server)
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/pass.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |               server: &mut Server)
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/server/client/state/handle/list.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |               server: &mut Server)
[INFO] [stdout]   |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/server/client/state/handle/retr.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |               server: &mut Server)
[INFO] [stdout]   |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/mkd.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |               server: &mut Server)
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/handle/mod.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 26 |                server: &mut Server) -> Result<Action, Error> {
[INFO] [stdout]    |                             ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/mod.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |                       server: &mut Server)
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/state/mod.rs:45:34
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     server: &mut Server,
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/client_io.rs:20:34
[INFO] [stdout]    |
[INFO] [stdout] 20 |                     server: &mut Server,
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server/client/client_io.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |                          server: &mut Server)
[INFO] [stdout]    |                                       ^^^^^^ help: use `dyn`: `dyn Server`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     types {
[INFO] [stdout] 5  | |         Error, ErrorKind, ResultExt;
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |     types {
[INFO] [stdout] 5  | |         Error, ErrorKind, ResultExt;
[INFO] [stdout] 6  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 14 | |     }
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server/run.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         let mut client_data = client.get_mut();
[INFO] [stdout]     |                             ----^^^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.11s
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "028924777df1da0ac4b8eebdcd475666340f95dceecca8bb4e1801a14f60e61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028924777df1da0ac4b8eebdcd475666340f95dceecca8bb4e1801a14f60e61d", kill_on_drop: false }`
[INFO] [stdout] 028924777df1da0ac4b8eebdcd475666340f95dceecca8bb4e1801a14f60e61d
