[INFO] updating cached repository https://github.com/ernestrc/rux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ad3feb3de7fec8889a04560de04c5ab42016dd0
[INFO] testing ernestrc/rux against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernestrc%2Frux" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ernestrc/rux on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ernestrc/rux
[INFO] finished tweaking git repo https://github.com/ernestrc/rux
[INFO] tweaked toml for git repo https://github.com/ernestrc/rux written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ernestrc/rux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f446180a00f7a26ac656d4ab16244fcdd1cae3e607e6b794a654e50bb4e3ccbc
[INFO] running `Command { std: "docker" "start" "-a" "f446180a00f7a26ac656d4ab16244fcdd1cae3e607e6b794a654e50bb4e3ccbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f446180a00f7a26ac656d4ab16244fcdd1cae3e607e6b794a654e50bb4e3ccbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f446180a00f7a26ac656d4ab16244fcdd1cae3e607e6b794a654e50bb4e3ccbc", kill_on_drop: false }`
[INFO] [stdout] f446180a00f7a26ac656d4ab16244fcdd1cae3e607e6b794a654e50bb4e3ccbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a737c36677745b9930ca15ac7b2e2488c203105b0cb0e4014d708a72cc8707
[INFO] running `Command { std: "docker" "start" "-a" "03a737c36677745b9930ca15ac7b2e2488c203105b0cb0e4014d708a72cc8707", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling pad v0.1.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling error-chain v0.7.1
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling rux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/handler.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 |   fn on_next(&mut self, In);
[INFO] [stdout]   |                         ^^ help: try naming the parameter or explicitly ignoring it: `_: In`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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/error.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / error_chain! {
[INFO] [stdout] 5  | |     types {
[INFO] [stdout] 6  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 7  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/error.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / error_chain! {
[INFO] [stdout] 5  | |     types {
[INFO] [stdout] 6  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 7  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/epoll/mod.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 |   #[inline]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/epoll/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     static ref NO_INTEREST: EpollEvent = {
[INFO] [stdout] 14 | |         EpollEvent {
[INFO] [stdout] 15 | |             events: EpollEventKind::empty(),
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     };
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/epoll/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     static ref NO_INTEREST: EpollEvent = {
[INFO] [stdout] 14 | |         EpollEvent {
[INFO] [stdout] 15 | |             events: EpollEventKind::empty(),
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     };
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / error_chain! {
[INFO] [stdout] 5  | |     types {
[INFO] [stdout] 6  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 7  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "03a737c36677745b9930ca15ac7b2e2488c203105b0cb0e4014d708a72cc8707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a737c36677745b9930ca15ac7b2e2488c203105b0cb0e4014d708a72cc8707", kill_on_drop: false }`
[INFO] [stdout] 03a737c36677745b9930ca15ac7b2e2488c203105b0cb0e4014d708a72cc8707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84af403455dedcdade186e40a24f1a4e3e53180581400d9ae851e6cf1917cf79
[INFO] running `Command { std: "docker" "start" "-a" "84af403455dedcdade186e40a24f1a4e3e53180581400d9ae851e6cf1917cf79", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/handler.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 |   fn on_next(&mut self, In);
[INFO] [stdout]   |                         ^^ help: try naming the parameter or explicitly ignoring it: `_: In`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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/error.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / error_chain! {
[INFO] [stdout] 5  | |     types {
[INFO] [stdout] 6  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 7  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/error.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / error_chain! {
[INFO] [stdout] 5  | |     types {
[INFO] [stdout] 6  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 7  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/epoll/mod.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 |   #[inline]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/epoll/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     static ref NO_INTEREST: EpollEvent = {
[INFO] [stdout] 14 | |         EpollEvent {
[INFO] [stdout] 15 | |             events: EpollEventKind::empty(),
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     };
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/epoll/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     static ref NO_INTEREST: EpollEvent = {
[INFO] [stdout] 14 | |         EpollEvent {
[INFO] [stdout] 15 | |             events: EpollEventKind::empty(),
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     };
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / error_chain! {
[INFO] [stdout] 5  | |     types {
[INFO] [stdout] 6  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 7  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/handler.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 |   fn on_next(&mut self, In);
[INFO] [stdout]   |                         ^^ help: try naming the parameter or explicitly ignoring it: `_: In`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/mux/handler.rs:150:7
[INFO] [stdout]     |
[INFO] [stdout] 150 |   use super::*;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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/error.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / error_chain! {
[INFO] [stdout] 5  | |     types {
[INFO] [stdout] 6  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 7  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/error.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / error_chain! {
[INFO] [stdout] 5  | |     types {
[INFO] [stdout] 6  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 7  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/epoll/mod.rs:46:3
[INFO] [stdout]    |
[INFO] [stdout] 46 |   #[inline]
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/epoll/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     static ref NO_INTEREST: EpollEvent = {
[INFO] [stdout] 14 | |         EpollEvent {
[INFO] [stdout] 15 | |             events: EpollEventKind::empty(),
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     };
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/epoll/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / lazy_static! {
[INFO] [stdout] 13 | |     static ref NO_INTEREST: EpollEvent = {
[INFO] [stdout] 14 | |         EpollEvent {
[INFO] [stdout] 15 | |             events: EpollEventKind::empty(),
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     };
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / error_chain! {
[INFO] [stdout] 5  | |     types {
[INFO] [stdout] 6  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 7  | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/buf/tests.rs:268:18
[INFO] [stdout]     |
[INFO] [stdout] 268 |   fn from_buffer(buffer: &mut ByteBuffer) -> Result<Option<MyType>> {
[INFO] [stdout]     |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: reference to packed field is unaligned
[INFO] [stdout]    --> src/epoll/mod.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |     assert!(ev.events.contains(EPOLLIN));
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unaligned_references)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.buf.e30f7968-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688.3moecspjc3ydate5.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librux-0cf9c53f524eef57.rlib" "/opt/rustwide/target/debug/deps/liblog-9b5d20728adf0e88.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-4cd3c477a97960de.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-0bc0ef8b09473735.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-103b72c87a3a4cba.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-3b2872ec00202141.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-c40943c0997989bc.rlib" "/opt/rustwide/target/debug/deps/libwinapi-07f1a1e4ac0d8c89.rlib" "/opt/rustwide/target/debug/deps/libkernel32-d777c3697a107ee0.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-6ed37b12ed75b47e.rlib" "/opt/rustwide/target/debug/deps/libtime-f103b4fe196929d6.rlib" "/opt/rustwide/target/debug/deps/libpad-e8de0d1a19546efa.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-aec8a02ea40635f5.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-91ae516482e4ffb6.rlib" "/opt/rustwide/target/debug/deps/libslab-f9f671fbb9f76664.rlib" "/opt/rustwide/target/debug/deps/libnix-c297cd11e46ebb34.rlib" "/opt/rustwide/target/debug/deps/liblibc-82f1a6fdfca786e7.rlib" "/opt/rustwide/target/debug/deps/libvoid-0f00770ac4b830b4.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-cb4975d79218c50c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e40927569ddda101.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/buf-6b7a732438909688" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-0bc0ef8b09473735.rlib(backtrace-0bc0ef8b09473735.backtrace.38b89c70-cgu.11.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-0bc0ef8b09473735.rlib(backtrace-0bc0ef8b09473735.backtrace.38b89c70-cgu.11.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rux` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.echo.87d8dd98-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2.wjm8tkqwl9vtjs6.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libenv_logger-69d7d574a73770f9.rlib" "/opt/rustwide/target/debug/deps/libregex-07e814820be40706.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-00dd5dd0276011cb.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-ae4f23d3afb51b1c.rlib" "/opt/rustwide/target/debug/deps/libthread_local-1e3a5343f47b3b16.rlib" "/opt/rustwide/target/debug/deps/libthread_id-0a482bd7b5520d0e.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-bb442a45c70a9691.rlib" "/opt/rustwide/target/debug/deps/libmemchr-6ab916f7eea3ef18.rlib" "/opt/rustwide/target/debug/deps/librux-0cf9c53f524eef57.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-4cd3c477a97960de.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-0bc0ef8b09473735.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-103b72c87a3a4cba.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-3b2872ec00202141.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-c40943c0997989bc.rlib" "/opt/rustwide/target/debug/deps/libwinapi-07f1a1e4ac0d8c89.rlib" "/opt/rustwide/target/debug/deps/libkernel32-d777c3697a107ee0.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-6ed37b12ed75b47e.rlib" "/opt/rustwide/target/debug/deps/libtime-f103b4fe196929d6.rlib" "/opt/rustwide/target/debug/deps/libpad-e8de0d1a19546efa.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-aec8a02ea40635f5.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-91ae516482e4ffb6.rlib" "/opt/rustwide/target/debug/deps/libslab-f9f671fbb9f76664.rlib" "/opt/rustwide/target/debug/deps/libnix-c297cd11e46ebb34.rlib" "/opt/rustwide/target/debug/deps/liblibc-82f1a6fdfca786e7.rlib" "/opt/rustwide/target/debug/deps/libvoid-0f00770ac4b830b4.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-cb4975d79218c50c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e40927569ddda101.rlib" "/opt/rustwide/target/debug/deps/liblog-9b5d20728adf0e88.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/echo-e6ccf33bbbfdbcc2" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-0bc0ef8b09473735.rlib(backtrace-0bc0ef8b09473735.backtrace.38b89c70-cgu.11.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-0bc0ef8b09473735.rlib(backtrace-0bc0ef8b09473735.backtrace.38b89c70-cgu.11.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.rux.94f17e98-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff.l5ue8y3c3ybh0yq.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-6e9019ff2cdb2237.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-e9cc0b5f091b140c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-762dfa4479f14aad.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-2a5ac1cc0b21909c.rlib" "/opt/rustwide/target/debug/deps/liblog-9b5d20728adf0e88.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-4cd3c477a97960de.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-0bc0ef8b09473735.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-103b72c87a3a4cba.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-3b2872ec00202141.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-c40943c0997989bc.rlib" "/opt/rustwide/target/debug/deps/libwinapi-07f1a1e4ac0d8c89.rlib" "/opt/rustwide/target/debug/deps/libkernel32-d777c3697a107ee0.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-6ed37b12ed75b47e.rlib" "/opt/rustwide/target/debug/deps/libtime-f103b4fe196929d6.rlib" "/opt/rustwide/target/debug/deps/libpad-e8de0d1a19546efa.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-aec8a02ea40635f5.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-91ae516482e4ffb6.rlib" "/opt/rustwide/target/debug/deps/libslab-f9f671fbb9f76664.rlib" "/opt/rustwide/target/debug/deps/libnix-c297cd11e46ebb34.rlib" "/opt/rustwide/target/debug/deps/liblibc-82f1a6fdfca786e7.rlib" "/opt/rustwide/target/debug/deps/libvoid-0f00770ac4b830b4.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-cb4975d79218c50c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e40927569ddda101.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rux-80c14a652d53ddff" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-0bc0ef8b09473735.rlib(backtrace-0bc0ef8b09473735.backtrace.38b89c70-cgu.11.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-0bc0ef8b09473735.rlib(backtrace-0bc0ef8b09473735.backtrace.38b89c70-cgu.11.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "84af403455dedcdade186e40a24f1a4e3e53180581400d9ae851e6cf1917cf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84af403455dedcdade186e40a24f1a4e3e53180581400d9ae851e6cf1917cf79", kill_on_drop: false }`
[INFO] [stdout] 84af403455dedcdade186e40a24f1a4e3e53180581400d9ae851e6cf1917cf79
