[INFO] fetching crate mooncell 0.1.3...
[INFO] checking mooncell-0.1.3 against beta for pr-78714
[INFO] extracting crate mooncell 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mooncell 0.1.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mooncell 0.1.3
[INFO] finished tweaking crates.io crate mooncell 0.1.3
[INFO] tweaked toml for crates.io crate mooncell 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded srvzio v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c06d8b0a5a2587be9796d737c70b823f921832de1c3af8c82d7fb4ada16d7145
[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" "c06d8b0a5a2587be9796d737c70b823f921832de1c3af8c82d7fb4ada16d7145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c06d8b0a5a2587be9796d737c70b823f921832de1c3af8c82d7fb4ada16d7145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c06d8b0a5a2587be9796d737c70b823f921832de1c3af8c82d7fb4ada16d7145", kill_on_drop: false }`
[INFO] [stdout] c06d8b0a5a2587be9796d737c70b823f921832de1c3af8c82d7fb4ada16d7145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] ede85fa7ad41b23460dab7907f8b500bc1324b70d0f65b4c65c0855f86d0bfc8
[INFO] running `Command { std: "docker" "start" "-a" "ede85fa7ad41b23460dab7907f8b500bc1324b70d0f65b4c65c0855f86d0bfc8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling openssl-src v111.12.0+1.1.1h
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking libz-sys v1.1.2
[INFO] [stderr]     Checking socket2 v0.3.16
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[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking srvzio v1.1.1
[INFO] [stderr]     Checking mooncell v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/config.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn resolver(&self) -> Box<DoHResolver + Send> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[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/core/processor.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |   resolver: Box<DoHResolver + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/processor.rs:42:62
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn new(receiver: XBeamReceiver<Request>, resolver: Box<DoHResolver + Send>) -> Processor {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core/processor.rs:141:52
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn resolve_and_respond(req: Request, resolver: Box<DoHResolver>) -> () {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/resolver.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |   fn box_clone(&self) -> Box<DoHResolver + Send>;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/resolver.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 | impl Clone for Box<DoHResolver + Send> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/provider.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl fmt::Debug for DoHProvider {
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn DoHProvider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/doh_json/resolver.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |   fn box_clone(&self) -> Box<DoHResolver + Send> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/net/server.rs:77:23
[INFO] [stdout]    |
[INFO] [stdout] 77 |   pub fn new(config: &Config, sender: XBeamSender<Request>) -> Server {
[INFO] [stdout]    |                       ^^^^^^ help: use `dyn`: `dyn Config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logging.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn init(config: &Config) {
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/config.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |   fn resolver(&self) -> Box<DoHResolver + Send> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[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/core/processor.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |   resolver: Box<DoHResolver + Send>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/processor.rs:42:62
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn new(receiver: XBeamReceiver<Request>, resolver: Box<DoHResolver + Send>) -> Processor {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/core/processor.rs:141:52
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn resolve_and_respond(req: Request, resolver: Box<DoHResolver>) -> () {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/resolver.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |   fn box_clone(&self) -> Box<DoHResolver + Send>;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/resolver.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 | impl Clone for Box<DoHResolver + Send> {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/provider.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl fmt::Debug for DoHProvider {
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn DoHProvider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/doh_json/resolver.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |   fn box_clone(&self) -> Box<DoHResolver + Send> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoHResolver + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/net/server.rs:77:23
[INFO] [stdout]    |
[INFO] [stdout] 77 |   pub fn new(config: &Config, sender: XBeamSender<Request>) -> Server {
[INFO] [stdout]    |                       ^^^^^^ help: use `dyn`: `dyn Config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logging.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn init(config: &Config) {
[INFO] [stdout]    |                      ^^^^^^ help: use `dyn`: `dyn Config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bind_tcp_listeners`
[INFO] [stdout]   --> src/net/utils.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn bind_tcp_listeners(ipv4_addresses: &Vec<Ipv4Addr>, ipv6_addresses: &Vec<Ipv6Addr>, port: &u16) -> Vec<TcpListener> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TcpRequest`
[INFO] [stdout]   --> src/net/request.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |   TcpRequest
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_tcp`
[INFO] [stdout]   --> src/net/request.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub fn from_tcp(source: SocketAddr, dns_query: DnsMessage, stream: TcpStream) -> Request {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_testing`
[INFO] [stdout]   --> src/logging.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn init_testing() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bind_tcp_listeners`
[INFO] [stdout]   --> src/net/utils.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn bind_tcp_listeners(ipv4_addresses: &Vec<Ipv4Addr>, ipv6_addresses: &Vec<Ipv6Addr>, port: &u16) -> Vec<TcpListener> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TcpRequest`
[INFO] [stdout]   --> src/net/request.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |   TcpRequest
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_tcp`
[INFO] [stdout]   --> src/net/request.rs:62:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub fn from_tcp(source: SocketAddr, dns_query: DnsMessage, stream: TcpStream) -> Request {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_testing`
[INFO] [stdout]   --> src/logging.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn init_testing() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "ede85fa7ad41b23460dab7907f8b500bc1324b70d0f65b4c65c0855f86d0bfc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede85fa7ad41b23460dab7907f8b500bc1324b70d0f65b4c65c0855f86d0bfc8", kill_on_drop: false }`
[INFO] [stdout] ede85fa7ad41b23460dab7907f8b500bc1324b70d0f65b4c65c0855f86d0bfc8