[INFO] cloning repository https://github.com/ylwnet/vpncloud
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ylwnet/vpncloud" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylwnet%2Fvpncloud", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylwnet%2Fvpncloud'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fba72882a63efd4fe4ee900950b3b29a2009b3c5
[INFO] checking ylwnet/vpncloud against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fylwnet%2Fvpncloud" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ylwnet/vpncloud on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ylwnet/vpncloud
[INFO] finished tweaking git repo https://github.com/ylwnet/vpncloud
[INFO] tweaked toml for git repo https://github.com/ylwnet/vpncloud written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ylwnet/vpncloud already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal v0.7.0
[INFO] [stderr]   Downloaded time v0.2.4
[INFO] [stderr]   Downloaded igd v0.10.0
[INFO] [stderr]   Downloaded privdrop v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73c7635e6add09fd999d6c233d457dfe9d28d466375a1a929d82d64fd9fb7db9
[INFO] running `Command { std: "docker" "start" "-a" "73c7635e6add09fd999d6c233d457dfe9d28d466375a1a929d82d64fd9fb7db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c7635e6add09fd999d6c233d457dfe9d28d466375a1a929d82d64fd9fb7db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c7635e6add09fd999d6c233d457dfe9d28d466375a1a929d82d64fd9fb7db9", kill_on_drop: false }`
[INFO] [stdout] 73c7635e6add09fd999d6c233d457dfe9d28d466375a1a929d82d64fd9fb7db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2a0241d31141759fb64be26de982ee9e033b7fbb124dcf2e52119f6fbbd3fc2
[INFO] running `Command { std: "docker" "start" "-a" "b2a0241d31141759fb64be26de982ee9e033b7fbb124dcf2e52119f6fbbd3fc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling vpncloud v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking xmltree v0.8.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking siphasher v0.3.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr] warning: vpncloud@1.3.0: Error building manpage: No such file or directory (os error 2)
[INFO] [stderr] warning: vpncloud@1.3.0: The manpage will not be build. Do you have 'ronn'?
[INFO] [stderr]     Checking attohttpc v0.4.5
[INFO] [stderr]     Checking igd v0.10.0
[INFO] [stderr]     Checking signal v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking privdrop v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.4
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/util.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(target_os = "linux")] use libc;
[INFO] [stdout]    |                                 ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/util.rs:296:26
[INFO] [stdout]     |
[INFO] [stdout] 296 |             '0'..='9' => ((c as usize) % ('0' as usize)),
[INFO] [stdout]     |                          ^                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 296 -             '0'..='9' => ((c as usize) % ('0' as usize)),
[INFO] [stdout] 296 +             '0'..='9' => (c as usize) % ('0' as usize),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `random` is imported redundantly
[INFO] [stdout]   --> src/cloud.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rand::{prelude::*, random, thread_rng};
[INFO] [stdout]    |            ----------  ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the item `random` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thread_rng` is imported redundantly
[INFO] [stdout]   --> src/cloud.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rand::{prelude::*, random, thread_rng};
[INFO] [stdout]    |            ----------          ^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the item `thread_rng` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/poll/epoll.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/util.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(target_os = "linux")] use libc;
[INFO] [stdout]    |                                 ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/util.rs:296:26
[INFO] [stdout]     |
[INFO] [stdout] 296 |             '0'..='9' => ((c as usize) % ('0' as usize)),
[INFO] [stdout]     |                          ^                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 296 -             '0'..='9' => ((c as usize) % ('0' as usize)),
[INFO] [stdout] 296 +             '0'..='9' => (c as usize) % ('0' as usize),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tempfile` is imported redundantly
[INFO] [stdout]    --> src/beacon.rs:324:18
[INFO] [stdout]     |
[INFO] [stdout] 324 | #[cfg(test)] use tempfile;
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/main.rs:10:14
[INFO] [stdout]     |
[INFO] [stdout] 10  | #[cfg(test)] extern crate tempfile;
[INFO] [stdout]     |              ---------------------- the item `tempfile` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `random` is imported redundantly
[INFO] [stdout]   --> src/cloud.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rand::{prelude::*, random, thread_rng};
[INFO] [stdout]    |            ----------  ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the item `random` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thread_rng` is imported redundantly
[INFO] [stdout]   --> src/cloud.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rand::{prelude::*, random, thread_rng};
[INFO] [stdout]    |            ----------          ^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the item `thread_rng` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/poll/epoll.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc;
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ethernet.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let mut entry = entry.get_mut();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ethernet.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let mut entry = entry.get_mut();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: daemonize v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b2a0241d31141759fb64be26de982ee9e033b7fbb124dcf2e52119f6fbbd3fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a0241d31141759fb64be26de982ee9e033b7fbb124dcf2e52119f6fbbd3fc2", kill_on_drop: false }`
[INFO] [stdout] b2a0241d31141759fb64be26de982ee9e033b7fbb124dcf2e52119f6fbbd3fc2
