[INFO] fetching crate ctx 0.2.0...
[INFO] checking ctx-0.2.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate ctx 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ctx 0.2.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctx 0.2.0
[INFO] finished tweaking crates.io crate ctx 0.2.0
[INFO] tweaked toml for crates.io crate ctx 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] dc647d80d13ad21158054e9bc35e354fe980da22e21556f7798be86fae7745e8
[INFO] running `Command { std: "docker" "start" "-a" "dc647d80d13ad21158054e9bc35e354fe980da22e21556f7798be86fae7745e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc647d80d13ad21158054e9bc35e354fe980da22e21556f7798be86fae7745e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc647d80d13ad21158054e9bc35e354fe980da22e21556f7798be86fae7745e8", kill_on_drop: false }`
[INFO] [stdout] dc647d80d13ad21158054e9bc35e354fe980da22e21556f7798be86fae7745e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fb66192bda7dafc7714b1401dbcc967e4aed9aa79ba9eb3614fb743b491ba72
[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" "7fb66192bda7dafc7714b1401dbcc967e4aed9aa79ba9eb3614fb743b491ba72", kill_on_drop: false }`
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking ctx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_value.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn value(&self) -> Option<&Any> {
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[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/with_value.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let val_any = &self.val as &Any;
[INFO] [stdout]    |                                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_cancel.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn value(&self) -> Option<&Any> {
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_cancel.rs:77:54
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn with_cancel(parent: Context) -> (Context, Box<Fn() + Send>) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_deadline.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn value(&self) -> Option<&Any> {
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_deadline.rs:43:43
[INFO] [stdout]    |
[INFO] [stdout] 43 |                          -> (Context, Box<Fn() + Send>) {
[INFO] [stdout]    |                                           ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_deadline.rs:69:74
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn with_timeout(parent: Context, timeout: Duration) -> (Context, Box<Fn() + Send>) {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Context(pub Rc<RefCell<Box<InnerContext<Item = (), Error = ContextError>>>>);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn InnerContext<Item = (), Error = ContextError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn value(&self) -> Option<&Any> {
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_value.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn value(&self) -> Option<&Any> {
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[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/with_value.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let val_any = &self.val as &Any;
[INFO] [stdout]    |                                     ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_cancel.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn value(&self) -> Option<&Any> {
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_cancel.rs:77:54
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn with_cancel(parent: Context) -> (Context, Box<Fn() + Send>) {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_deadline.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn value(&self) -> Option<&Any> {
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_deadline.rs:43:43
[INFO] [stdout]    |
[INFO] [stdout] 43 |                          -> (Context, Box<Fn() + Send>) {
[INFO] [stdout]    |                                           ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/with_deadline.rs:69:74
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn with_timeout(parent: Context, timeout: Duration) -> (Context, Box<Fn() + Send>) {
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Context(pub Rc<RefCell<Box<InnerContext<Item = (), Error = ContextError>>>>);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn InnerContext<Item = (), Error = ContextError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn value(&self) -> Option<&Any> {
[INFO] [stdout]    |                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::task::park`: renamed to `current`
[INFO] [stdout]   --> src/with_cancel.rs:49:44
[INFO] [stdout]    |
[INFO] [stdout] 49 | ...                   *handle = Some(task::park())
[INFO] [stdout]    |                                      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::task::park`: renamed to `current`
[INFO] [stdout]   --> src/with_cancel.rs:49:44
[INFO] [stdout]    |
[INFO] [stdout] 49 | ...                   *handle = Some(task::park())
[INFO] [stdout]    |                                      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/lib.rs:100:44
[INFO] [stdout]     |
[INFO] [stdout] 100 |         write!(f, "ContextError: {}", self.description())
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[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/lib.rs:100:44
[INFO] [stdout]     |
[INFO] [stdout] 100 |         write!(f, "ContextError: {}", self.description())
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::is_current`: intended to be removed, see docs for details
[INFO] [stdout]   --> src/with_cancel.rs:45:52
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   Some(ref task) if task.is_current() => false,
[INFO] [stdout]    |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]   --> src/with_cancel.rs:93:40
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...                   task.unpark();
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::is_current`: intended to be removed, see docs for details
[INFO] [stdout]   --> src/with_cancel.rs:45:52
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   Some(ref task) if task.is_current() => false,
[INFO] [stdout]    |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `futures::task::Task::unpark`: renamed to `notify`
[INFO] [stdout]   --> src/with_cancel.rs:93:40
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...                   task.unpark();
[INFO] [stdout]    |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "7fb66192bda7dafc7714b1401dbcc967e4aed9aa79ba9eb3614fb743b491ba72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb66192bda7dafc7714b1401dbcc967e4aed9aa79ba9eb3614fb743b491ba72", kill_on_drop: false }`
[INFO] [stdout] 7fb66192bda7dafc7714b1401dbcc967e4aed9aa79ba9eb3614fb743b491ba72