[INFO] fetching crate vpncloud 1.0.0...
[INFO] checking vpncloud-1.0.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate vpncloud 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate vpncloud 1.0.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate vpncloud 1.0.0
[INFO] finished tweaking crates.io crate vpncloud 1.0.0
[INFO] tweaked toml for crates.io crate vpncloud 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.15
[INFO] [stderr]   Downloaded base-62 v0.1.1
[INFO] [stderr]   Downloaded daemonize v0.3.0
[INFO] [stderr]   Downloaded xmltree v0.8.0
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded nix v0.11.1
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded igd v0.8.2
[INFO] [stderr]   Downloaded lynx v0.2.0
[INFO] [stderr]   Downloaded signal v0.6.0
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1aa5f760b26a9732910eef7c4991f69a85219f3035e8acb62b49426033dcac2
[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" "d1aa5f760b26a9732910eef7c4991f69a85219f3035e8acb62b49426033dcac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1aa5f760b26a9732910eef7c4991f69a85219f3035e8acb62b49426033dcac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1aa5f760b26a9732910eef7c4991f69a85219f3035e8acb62b49426033dcac2", kill_on_drop: false }`
[INFO] [stdout] d1aa5f760b26a9732910eef7c4991f69a85219f3035e8acb62b49426033dcac2
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62cd4b2145f1ed96af5fdc3a83f35dc25b7e6a6e52c95f4e87274da492f7cfea
[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" "62cd4b2145f1ed96af5fdc3a83f35dc25b7e6a6e52c95f4e87274da492f7cfea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.121
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde v1.0.121
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking thread_local v1.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking daemonize v0.3.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking xmltree v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling vpncloud v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr] warning: Error building manpage: No such file or directory (os error 2)
[INFO] [stderr] warning: The manpage will not be build. Do you have 'ronn'?
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking lynx v0.2.0
[INFO] [stderr]     Checking igd v0.8.2
[INFO] [stderr]     Checking signal v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking base-62 v0.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/poll/epoll.rs:25:64
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new<S: Socket>(socketv4: &S, socketv6: &S, device: &Device, timeout: u32) -> io::Result<Self> {
[INFO] [stdout]    |                                                                ^^^^^^ help: use `dyn`: `dyn Device`
[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/poll/epoll.rs:29:68
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn testing<S: Socket>(socketv4: &S, socketv6: &S, device: &Device, timeout: u32) -> io::Result<Self> {
[INFO] [stdout]    |                                                                    ^^^^^^ help: use `dyn`: `dyn Device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/poll/epoll.rs:33:63
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn create<S: Socket>(socketv4: &S, socketv6: &S, device: &Device, timeout: u32, flags: u32) -> io::Result<Self> {
[INFO] [stdout]    |                                                               ^^^^^^ help: use `dyn`: `dyn Device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/poll/epoll.rs:25:64
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new<S: Socket>(socketv4: &S, socketv6: &S, device: &Device, timeout: u32) -> io::Result<Self> {
[INFO] [stdout]    |                                                                ^^^^^^ help: use `dyn`: `dyn Device`
[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/poll/epoll.rs:29:68
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn testing<S: Socket>(socketv4: &S, socketv6: &S, device: &Device, timeout: u32) -> io::Result<Self> {
[INFO] [stdout]    |                                                                    ^^^^^^ help: use `dyn`: `dyn Device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/poll/epoll.rs:33:63
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn create<S: Socket>(socketv4: &S, socketv6: &S, device: &Device, timeout: u32, flags: u32) -> io::Result<Self> {
[INFO] [stdout]    |                                                               ^^^^^^ help: use `dyn`: `dyn Device`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "62cd4b2145f1ed96af5fdc3a83f35dc25b7e6a6e52c95f4e87274da492f7cfea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cd4b2145f1ed96af5fdc3a83f35dc25b7e6a6e52c95f4e87274da492f7cfea", kill_on_drop: false }`
[INFO] [stdout] 62cd4b2145f1ed96af5fdc3a83f35dc25b7e6a6e52c95f4e87274da492f7cfea