[INFO] cloning repository https://github.com/ibabushkin/gabelstaplerwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ibabushkin/gabelstaplerwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibabushkin%2Fgabelstaplerwm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibabushkin%2Fgabelstaplerwm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7950e2443f871cf270c35b8671ce3627790c26c
[INFO] building ibabushkin/gabelstaplerwm against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fibabushkin%2Fgabelstaplerwm" "/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/ibabushkin/gabelstaplerwm on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ibabushkin/gabelstaplerwm
[INFO] finished tweaking git repo https://github.com/ibabushkin/gabelstaplerwm
[INFO] tweaked toml for git repo https://github.com/ibabushkin/gabelstaplerwm written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ibabushkin/gabelstaplerwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54ed89cbfb72e1f171792e0eb92c5fb1dd623ee765afa957dfd827a04bb82c95
[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" "54ed89cbfb72e1f171792e0eb92c5fb1dd623ee765afa957dfd827a04bb82c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ed89cbfb72e1f171792e0eb92c5fb1dd623ee765afa957dfd827a04bb82c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ed89cbfb72e1f171792e0eb92c5fb1dd623ee765afa957dfd827a04bb82c95", kill_on_drop: false }`
[INFO] [stdout] 54ed89cbfb72e1f171792e0eb92c5fb1dd623ee765afa957dfd827a04bb82c95
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aa75d966e2c218f0e76ebf9611b47a254accb5fc51eb4b78a5995596de9b1d9
[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" "6aa75d966e2c218f0e76ebf9611b47a254accb5fc51eb4b78a5995596de9b1d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling generational-arena v0.2.2
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.4
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling gwm-core v0.8.0 (/opt/rustwide/workdir/gwm-core)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:192:22
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn render(&self, &TagTree<C>, &Geometry, &mut ClientSizes);
[INFO] [stdout]     |                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` 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 the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn render(&self, &TagTree<C>, &Geometry, &mut ClientSizes);
[INFO] [stdout]     |                                   ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Geometry`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:192:46
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn render(&self, &TagTree<C>, &Geometry, &mut ClientSizes);
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut ClientSizes`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:195:26
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn check_tree(&self, &TagTree<C>) -> bool;
[INFO] [stdout]     |                          ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:198:26
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn fixup_tree(&self, &mut TagTree<C>);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:204:29
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn insert_client(&self, &mut TagTree<C>, C) -> bool;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:204:46
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn insert_client(&self, &mut TagTree<C>, C) -> bool;
[INFO] [stdout]     |                                              ^ help: try naming the parameter or explicitly ignoring it: `_: C`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:211:32
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn insert_container(&self, &mut TagTree<C>, &TagTree<C>, ContainerId) -> bool;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:211:49
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn insert_container(&self, &mut TagTree<C>, &TagTree<C>, ContainerId) -> bool;
[INFO] [stdout]     |                                                 ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:211:62
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn insert_container(&self, &mut TagTree<C>, &TagTree<C>, ContainerId) -> bool;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ContainerId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:217:32
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn delete_container(&self, &mut TagTree<C>, ContainerId) -> bool;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:217:49
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn delete_container(&self, &mut TagTree<C>, ContainerId) -> bool;
[INFO] [stdout]     |                                                 ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ContainerId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:224:30
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn find_container(&self, &TagTree<C>, ContainerId, Direction) -> Option<ContainerId>;
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:224:43
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn find_container(&self, &TagTree<C>, ContainerId, Direction) -> Option<ContainerId>;
[INFO] [stdout]     |                                           ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ContainerId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:224:56
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn find_container(&self, &TagTree<C>, ContainerId, Direction) -> Option<ContainerId>;
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Direction`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:230:31
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn swap_containers(&self, &mut TagTree<C>, ContainerId, ContainerId) -> bool;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:230:48
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn swap_containers(&self, &mut TagTree<C>, ContainerId, ContainerId) -> bool;
[INFO] [stdout]     |                                                ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ContainerId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:230:61
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn swap_containers(&self, &mut TagTree<C>, ContainerId, ContainerId) -> bool;
[INFO] [stdout]     |                                                             ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ContainerId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:236:30
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn move_container(&self, &mut TagTree<C>, ContainerId, ContainerId) -> bool;
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut TagTree<C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:236:47
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn move_container(&self, &mut TagTree<C>, ContainerId, ContainerId) -> bool;
[INFO] [stdout]     |                                               ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ContainerId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:236:60
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn move_container(&self, &mut TagTree<C>, ContainerId, ContainerId) -> bool;
[INFO] [stdout]     |                                                            ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ContainerId`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> gwm-core/src/layout/mod.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |     fn process_msg(&mut self, LayoutMessage) -> bool;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: LayoutMessage`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> gwm-core/src/tree.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     layout: Box<Layout<C>>,
[INFO] [stdout]    |                 ^^^^^^^^^ help: use `dyn`: `dyn Layout<C>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> gwm-core/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_enum_variants)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr] error: failed to run custom build command for `xkbcommon-sys v0.7.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/xkbcommon-sys-ad7254ceb2252d20/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=native=/usr/lib/x86_64-linux-gnu
[INFO] [stderr]   cargo:rustc-link-lib=xkbcommon
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Failure { command: "\"pkg-config\" \"--libs\" \"--cflags\" \"xkbcommon-x11\"", output: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "Package xkbcommon-x11 was not found in the pkg-config search path.\nPerhaps you should add the directory containing `xkbcommon-x11.pc'\nto the PKG_CONFIG_PATH environment variable\nNo package 'xkbcommon-x11' found\n" } }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xkbcommon-sys-0.7.4/build.rs:44:11
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5602c97b8700 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5602c97b8700 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5602c97b8700 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5602c97b8700 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5602c97d699f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x5602c97b6295 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x5602c97ba4eb - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5602c97ba4eb - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5602c97ba4eb - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5602c97b9fcd - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5602c97baa9d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5602c97ba697 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x5602c97b8bbc - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5602c97ba5f9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5602c9779231 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5602c97792c3 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x5602c977aa91 - core::result::Result<T,E>::unwrap::h52739c6b73cca758
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x5602c977a93d - build_script_build::main::h8a40e2f2836ec2ff
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xkbcommon-sys-0.7.4/build.rs:44:2
[INFO] [stderr]     18:     0x5602c9779a2b - core::ops::function::FnOnce::call_once::h2dd1e6f3f8edfe9c
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5602c977ac6e - std::sys_common::backtrace::__rust_begin_short_backtrace::h754e53051f4a374c
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x5602c977ac41 - std::rt::lang_start::{{closure}}::hb1543203db4aab95
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x5602c97bae9a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5602c97bae9a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x5602c97bae9a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x5602c97bae9a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x5602c97bae9a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x5602c977ac20 - std::rt::lang_start::h0f505e1531703547
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x5602c977a96c - main
[INFO] [stderr]     28:     0x7f20e802e0b3 - __libc_start_main
[INFO] [stderr]     29:     0x5602c977992e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6aa75d966e2c218f0e76ebf9611b47a254accb5fc51eb4b78a5995596de9b1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa75d966e2c218f0e76ebf9611b47a254accb5fc51eb4b78a5995596de9b1d9", kill_on_drop: false }`
[INFO] [stdout] 6aa75d966e2c218f0e76ebf9611b47a254accb5fc51eb4b78a5995596de9b1d9
