[INFO] fetching crate event_rust 0.1.1...
[INFO] checking event_rust-0.1.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate event_rust 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate event_rust 0.1.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate event_rust 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate event_rust 0.1.1
[INFO] tweaked toml for crates.io crate event_rust 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2897706a536d0430348ad1da7b9f0fcf91fa1d2d1d1a1d07cc14ed7b99ee539a
[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" "2897706a536d0430348ad1da7b9f0fcf91fa1d2d1d1a1d07cc14ed7b99ee539a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2897706a536d0430348ad1da7b9f0fcf91fa1d2d1d1a1d07cc14ed7b99ee539a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2897706a536d0430348ad1da7b9f0fcf91fa1d2d1d1a1d07cc14ed7b99ee539a", kill_on_drop: false }`
[INFO] [stdout] 2897706a536d0430348ad1da7b9f0fcf91fa1d2d1d1a1d07cc14ed7b99ee539a
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--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] 50ebcb7fd06d5234b9fdc47b075b9bae793623990ab8afb203bb097e22626528
[INFO] running `Command { std: "docker" "start" "-a" "50ebcb7fd06d5234b9fdc47b075b9bae793623990ab8afb203bb097e22626528", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking event_rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(negate_unsigned)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `raw_pointer_derive` has been removed: using derive with raw pointers is ok
[INFO] [stdout]  --> src/event_entry.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(raw_pointer_derive)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(negate_unsigned)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `raw_pointer_derive` has been removed: using derive with raw pointers is ok
[INFO] [stdout]  --> src/event_entry.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![allow(raw_pointer_derive)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/event_loop.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let selector = try!(Selector::new());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/event_loop.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             try!(self.run_once());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/event_loop.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let size = try!(self.selector.select(&mut self.evts, 0)) as usize;
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/event_flags.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / bitflags! {
[INFO] [stdout] 4  | |         flags EventFlags: u32 {
[INFO] [stdout] 5  | |             const FLAG_TIMEOUT     = 0b00000001,
[INFO] [stdout] 6  | |             const FLAG_READ      = 0b00000010,
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | |         }
[INFO] [stdout] 10 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/event_flags.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / bitflags! {
[INFO] [stdout] 4  | |         flags EventFlags: u32 {
[INFO] [stdout] 5  | |             const FLAG_TIMEOUT     = 0b00000001,
[INFO] [stdout] 6  | |             const FLAG_READ      = 0b00000010,
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | |         }
[INFO] [stdout] 10 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/event_entry.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/socket.rs:90:62
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let addresses: Vec<SocketAddr> = FromIterator::from_iter(try!(address.to_socket_addrs()));
[INFO] [stdout]    |                                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |     Ok(socketaddr_to_sockaddr(&try!(tosocketaddrs_to_socketaddr(address))))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:150:18
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let sa = try!(tosocketaddrs_to_sockaddr(address));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let sa = try!(tosocketaddrs_to_sockaddr(address));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:189:39
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let (socket_addr, received) = try!(self.recvfrom_into(&mut a[..], flags));
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:213:24
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let received = try!(self.recv_into(&mut a[..], flags));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:227:23
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let address = try!(tosocketaddrs_to_sockaddr(toaddress));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/unix/epoll.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / bitflags!(
[INFO] [stdout] 19 | |     #[repr(C)]
[INFO] [stdout] 20 | |     flags EpollEventKind: u32 {
[INFO] [stdout] 21 | |         const EPOLLIN = 0x001,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     }
[INFO] [stdout] 36 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/unix/epoll.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / bitflags!(
[INFO] [stdout] 19 | |     #[repr(C)]
[INFO] [stdout] 20 | |     flags EpollEventKind: u32 {
[INFO] [stdout] 21 | |         const EPOLLIN = 0x001,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     }
[INFO] [stdout] 36 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/unix/selector.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let epfd = try!(epoll_create());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/unix/selector.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let cnt = try!(epoll_wait(self.epfd, dst, timeout_ms)
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/event_loop.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let selector = try!(Selector::new());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/event_loop.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             try!(self.run_once());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/event_loop.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let size = try!(self.selector.select(&mut self.evts, 0)) as usize;
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/event_flags.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / bitflags! {
[INFO] [stdout] 4  | |         flags EventFlags: u32 {
[INFO] [stdout] 5  | |             const FLAG_TIMEOUT     = 0b00000001,
[INFO] [stdout] 6  | |             const FLAG_READ      = 0b00000010,
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | |         }
[INFO] [stdout] 10 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/event_flags.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / bitflags! {
[INFO] [stdout] 4  | |         flags EventFlags: u32 {
[INFO] [stdout] 5  | |             const FLAG_TIMEOUT     = 0b00000001,
[INFO] [stdout] 6  | |             const FLAG_READ      = 0b00000010,
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | |         }
[INFO] [stdout] 10 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/event_entry.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/socket.rs:90:62
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let addresses: Vec<SocketAddr> = FromIterator::from_iter(try!(address.to_socket_addrs()));
[INFO] [stdout]    |                                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |     Ok(socketaddr_to_sockaddr(&try!(tosocketaddrs_to_socketaddr(address))))
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:150:18
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let sa = try!(tosocketaddrs_to_sockaddr(address));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let sa = try!(tosocketaddrs_to_sockaddr(address));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:189:39
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let (socket_addr, received) = try!(self.recvfrom_into(&mut a[..], flags));
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:213:24
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let received = try!(self.recv_into(&mut a[..], flags));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sys/socket.rs:227:23
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let address = try!(tosocketaddrs_to_sockaddr(toaddress));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/unix/epoll.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / bitflags!(
[INFO] [stdout] 19 | |     #[repr(C)]
[INFO] [stdout] 20 | |     flags EpollEventKind: u32 {
[INFO] [stdout] 21 | |         const EPOLLIN = 0x001,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     }
[INFO] [stdout] 36 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/unix/epoll.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / bitflags!(
[INFO] [stdout] 19 | |     #[repr(C)]
[INFO] [stdout] 20 | |     flags EpollEventKind: u32 {
[INFO] [stdout] 21 | |         const EPOLLIN = 0x001,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     }
[INFO] [stdout] 36 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/unix/selector.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let epfd = try!(epoll_create());
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sys/unix/selector.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let cnt = try!(epoll_wait(self.epfd, dst, timeout_ms)
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_vec` found for struct `BinaryHeap` in the current scope
[INFO] [stdout]   --> src/timer.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.timer_queue = BinaryHeap::from_vec(data);
[INFO] [stdout]    |                                        ^^^^^^^^ function or associated item not found in `BinaryHeap<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_vec` found for struct `BinaryHeap` in the current scope
[INFO] [stdout]   --> src/timer.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.timer_queue = BinaryHeap::from_vec(data);
[INFO] [stdout]    |                                        ^^^^^^^^ function or associated item not found in `BinaryHeap<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `event_rust` due to 4 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "50ebcb7fd06d5234b9fdc47b075b9bae793623990ab8afb203bb097e22626528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ebcb7fd06d5234b9fdc47b075b9bae793623990ab8afb203bb097e22626528", kill_on_drop: false }`
[INFO] [stdout] 50ebcb7fd06d5234b9fdc47b075b9bae793623990ab8afb203bb097e22626528