[INFO] cloning repository https://github.com/gretchenfrage/clusterzip [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gretchenfrage/clusterzip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgretchenfrage%2Fclusterzip", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgretchenfrage%2Fclusterzip'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3950a835105c2ce215310f68c64029a79ec58278 [INFO] testing gretchenfrage/clusterzip against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgretchenfrage%2Fclusterzip" "/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/gretchenfrage/clusterzip on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gretchenfrage/clusterzip [INFO] finished tweaking git repo https://github.com/gretchenfrage/clusterzip [INFO] tweaked toml for git repo https://github.com/gretchenfrage/clusterzip written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/gretchenfrage/clusterzip already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-executor v0.1.1 [INFO] [stderr] Downloaded tokio v0.1.4 [INFO] [stderr] Downloaded local-ip v0.1.0 [INFO] [stderr] Downloaded monitor v0.1.0 [INFO] [stderr] Downloaded serde v1.0.35 [INFO] [stderr] Downloaded rust-libcore v0.0.3 [INFO] [stderr] Downloaded ssh2 v0.3.2 [INFO] [stderr] Downloaded cmake v0.1.29 [INFO] [stderr] Downloaded tokio-threadpool v0.1.1 [INFO] [stderr] Downloaded volatile_cell v1.0.0 [INFO] [stderr] Downloaded futures v0.1.19 [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" "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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ebb5f3d3b48dd6a73e7bc0d321f290187cd45f7cff249305cf322e90c1a0b28a [INFO] running `Command { std: "docker" "start" "-a" "ebb5f3d3b48dd6a73e7bc0d321f290187cd45f7cff249305cf322e90c1a0b28a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ebb5f3d3b48dd6a73e7bc0d321f290187cd45f7cff249305cf322e90c1a0b28a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebb5f3d3b48dd6a73e7bc0d321f290187cd45f7cff249305cf322e90c1a0b28a", kill_on_drop: false }` [INFO] [stdout] ebb5f3d3b48dd6a73e7bc0d321f290187cd45f7cff249305cf322e90c1a0b28a [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" "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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e18fe6989e9178be78b0af361b62cf1725e35073b6548039c19d82fe72b01a3e [INFO] running `Command { std: "docker" "start" "-a" "e18fe6989e9178be78b0af361b62cf1725e35073b6548039c19d82fe72b01a3e", kill_on_drop: false }` [INFO] [stderr] Compiling futures v0.1.19 [INFO] [stderr] Compiling num-traits v0.2.2 [INFO] [stderr] Compiling serde v1.0.35 [INFO] [stderr] Compiling monitor v0.1.0 [INFO] [stderr] Compiling volatile_cell v1.0.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling openssl-sys v0.9.27 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling net2 v0.2.32 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling cmake v0.1.29 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling crossbeam-epoch v0.4.1 [INFO] [stderr] Compiling mio v0.6.14 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling libssh2-sys v0.2.6 [INFO] [stderr] Compiling crossbeam-deque v0.3.0 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-bigint v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling tokio-executor v0.1.1 [INFO] [stderr] Compiling tokio-io v0.1.6 [INFO] [stderr] Compiling tokio-threadpool v0.1.1 [INFO] [stderr] Compiling tokio-reactor v0.1.1 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling local-ip v0.1.0 [INFO] [stderr] Compiling tokio-udp v0.1.0 [INFO] [stderr] Compiling tokio-tcp v0.1.0 [INFO] [stderr] Compiling tokio v0.1.4 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling stopwatch v0.0.7 [INFO] [stderr] Compiling ssh2 v0.3.2 [INFO] [stderr] Compiling clusterzip v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0405]: cannot find trait `FnBox` in this scope [INFO] [stdout] --> src/threading/pool.rs:67:29 [INFO] [stdout] | [INFO] [stdout] 67 | pub type Runnable = Box () + Send + Sync + 'static>; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/pool.rs:67:29 [INFO] [stdout] | [INFO] [stdout] 67 | pub type Runnable = Box () + Send + Sync + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox() -> () + Send + Sync + 'static` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/pool.rs:120:26 [INFO] [stdout] | [INFO] [stdout] 120 | in_main_seq: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn QueueIn` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/pool.rs:121:26 [INFO] [stdout] | [INFO] [stdout] 121 | in_crit_seq: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn QueueIn` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/pool.rs:123:22 [INFO] [stdout] | [INFO] [stdout] 123 | out: Vec>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn QueueOut` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/pool.rs:161:30 [INFO] [stdout] | [INFO] [stdout] 161 | let out: Vec>> = vec!( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn QueueOut` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/pool.rs:200:40 [INFO] [stdout] | [INFO] [stdout] 200 | .collect::>>>(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn QueueOut` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:9:30 [INFO] [stdout] | [INFO] [stdout] 9 | fn poll(&self, profile: &ThreadStateLogger) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadStateLogger` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:11:37 [INFO] [stdout] | [INFO] [stdout] 11 | fn drain_to(&self, target: &mut FnMut(T) -> ()) -> (); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(T) -> ()` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:23:32 [INFO] [stdout] | [INFO] [stdout] 23 | fn clone_box(&self) -> Box>; [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn QueueOut` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:28:39 [INFO] [stdout] | [INFO] [stdout] 28 | fn push(&self, elem: T, profile: &ThreadStateLogger); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadStateLogger` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:40:32 [INFO] [stdout] | [INFO] [stdout] 40 | fn clone_box(&self) -> Box>; [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn QueueIn` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:51:15 [INFO] [stdout] | [INFO] [stdout] 51 | func: Arc R + Send + Sync + 'static>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> R + Send + Sync + 'static` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:75:30 [INFO] [stdout] | [INFO] [stdout] 75 | fn poll(&self, profile: &ThreadStateLogger) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadStateLogger` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:79:37 [INFO] [stdout] | [INFO] [stdout] 79 | fn drain_to(&self, target: &mut FnMut(R) -> ()) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(R) -> ()` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:92:32 [INFO] [stdout] | [INFO] [stdout] 92 | fn clone_box(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn QueueOut` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:102:15 [INFO] [stdout] | [INFO] [stdout] 102 | func: Arc S + Send + Sync + 'static>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(R) -> S + Send + Sync + 'static` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:126:39 [INFO] [stdout] | [INFO] [stdout] 126 | fn push(&self, elem: R, profile: &ThreadStateLogger) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadStateLogger` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:139:32 [INFO] [stdout] | [INFO] [stdout] 139 | fn clone_box(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn QueueIn` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:149:25 [INFO] [stdout] | [INFO] [stdout] 149 | pub type Listener = Arc () + Send + Sync + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool) -> () + Send + Sync + 'static` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:159:30 [INFO] [stdout] | [INFO] [stdout] 159 | fn poll(&self, profile: &ThreadStateLogger) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadStateLogger` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:168:37 [INFO] [stdout] | [INFO] [stdout] 168 | fn drain_to(&self, target: &mut FnMut(T) -> ()) -> () { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(T) -> ()` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:183:32 [INFO] [stdout] | [INFO] [stdout] 183 | fn clone_box(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn QueueOut` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:194:39 [INFO] [stdout] | [INFO] [stdout] 194 | fn push(&self, elem: T, profile: &ThreadStateLogger) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ThreadStateLogger` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/threading/queue.rs:209:32 [INFO] [stdout] | [INFO] [stdout] 209 | fn clone_box(&self) -> Box> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn QueueIn` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0405`. [INFO] [stdout] [INFO] [stderr] error: could not compile `clusterzip` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "e18fe6989e9178be78b0af361b62cf1725e35073b6548039c19d82fe72b01a3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e18fe6989e9178be78b0af361b62cf1725e35073b6548039c19d82fe72b01a3e", kill_on_drop: false }` [INFO] [stdout] e18fe6989e9178be78b0af361b62cf1725e35073b6548039c19d82fe72b01a3e