[INFO] cloning repository https://github.com/deurzen/wzrd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deurzen/wzrd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeurzen%2Fwzrd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeurzen%2Fwzrd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7081b91130adb07f42687288b1d8fdeb8cae5f6
[INFO] checking deurzen/wzrd against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeurzen%2Fwzrd" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/deurzen/wzrd
[INFO] finished tweaking git repo https://github.com/deurzen/wzrd
[INFO] tweaked toml for git repo https://github.com/deurzen/wzrd written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/deurzen/wzrd on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/deurzen/wzrd 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 632e75c07617e5dda33f9722d21623978cbaf63d20826c2d3dd2d60f476dbed3
[INFO] running `Command { std: "docker" "start" "-a" "632e75c07617e5dda33f9722d21623978cbaf63d20826c2d3dd2d60f476dbed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632e75c07617e5dda33f9722d21623978cbaf63d20826c2d3dd2d60f476dbed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632e75c07617e5dda33f9722d21623978cbaf63d20826c2d3dd2d60f476dbed3", kill_on_drop: false }`
[INFO] [stdout] 632e75c07617e5dda33f9722d21623978cbaf63d20826c2d3dd2d60f476dbed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc0b37c370d7e1970087efb7569d4d79c05bb63d4acaeaffbcf7142185e0a99
[INFO] running `Command { std: "docker" "start" "-a" "bbc0b37c370d7e1970087efb7569d4d79c05bb63d4acaeaffbcf7142185e0a99", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking x11rb v0.8.0
[INFO] [stderr]     Checking wzrd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]  --> src/winsys/xdata/event.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::event::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the name `Result` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]  --> src/winsys/xdata/event.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use super::super::event::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]  --> src/winsys/xdata/event.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::event::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]  --> src/winsys/xdata/input.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::input::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the name `Result` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]  --> src/winsys/xdata/input.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use super::super::input::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]  --> src/winsys/xdata/input.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::input::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]  --> src/winsys/xdata/event.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::event::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the name `Result` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]  --> src/winsys/xdata/event.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use super::super::event::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]  --> src/winsys/xdata/event.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::event::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]  --> src/winsys/xdata/input.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::input::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the name `Result` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]  --> src/winsys/xdata/input.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use super::super::input::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]  --> src/winsys/xdata/input.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::input::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/winsys/xdata/xconnection.rs:1738:9
[INFO] [stdout]      |
[INFO] [stdout] 1738 |         drop(self.conn);
[INFO] [stdout]      |         ^^^^^---------^
[INFO] [stdout]      |              |
[INFO] [stdout]      |              argument has type `&Conn`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1738 -         drop(self.conn);
[INFO] [stdout] 1738 +         let _ = self.conn;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<ButtonIndex, Infallible>
[INFO] [stdout]     --> src/winsys/xdata/xconnection.rs:2080:25
[INFO] [stdout]      |
[INFO] [stdout] 2080 |                         xproto::ButtonIndex::try_from(mouse_input.button as u8).unwrap(),
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> src/winsys/xdata/xconnection.rs:3214:9
[INFO] [stdout]      |
[INFO] [stdout] 3214 | /          drop(
[INFO] [stdout] 3215 | |/             self.conn
[INFO] [stdout] 3216 | ||                 .get_property(
[INFO] [stdout] 3217 | ||                     false,
[INFO] [stdout] 3218 | ||                     window,
[INFO] [stdout] ...    ||
[INFO] [stdout] 3236 | ||                 }),
[INFO] [stdout]      | ||__________________- argument has type `Option<()>`
[INFO] [stdout] 3237 | |          );
[INFO] [stdout]      | |__________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 3214 ~         let _ = self.conn
[INFO] [stdout] 3215 |                 .get_property(
[INFO] [stdout]  ...
[INFO] [stdout] 3234 |                     }
[INFO] [stdout] 3235 ~                 });
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> src/winsys/xdata/xconnection.rs:3256:9
[INFO] [stdout]      |
[INFO] [stdout] 3256 | /          drop(
[INFO] [stdout] 3257 | |/             self.conn
[INFO] [stdout] 3258 | ||                 .get_property(
[INFO] [stdout] 3259 | ||                     false,
[INFO] [stdout] 3260 | ||                     window,
[INFO] [stdout] ...    ||
[INFO] [stdout] 3278 | ||                 }),
[INFO] [stdout]      | ||__________________- argument has type `Option<()>`
[INFO] [stdout] 3279 | |          );
[INFO] [stdout]      | |__________^
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 3256 ~         let _ = self.conn
[INFO] [stdout] 3257 |                 .get_property(
[INFO] [stdout]  ...
[INFO] [stdout] 3276 |                     }
[INFO] [stdout] 3277 ~                 });
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/winsys/xdata/xconnection.rs:1738:9
[INFO] [stdout]      |
[INFO] [stdout] 1738 |         drop(self.conn);
[INFO] [stdout]      |         ^^^^^---------^
[INFO] [stdout]      |              |
[INFO] [stdout]      |              argument has type `&Conn`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 1738 -         drop(self.conn);
[INFO] [stdout] 1738 +         let _ = self.conn;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<ButtonIndex, Infallible>
[INFO] [stdout]     --> src/winsys/xdata/xconnection.rs:2080:25
[INFO] [stdout]      |
[INFO] [stdout] 2080 |                         xproto::ButtonIndex::try_from(mouse_input.button as u8).unwrap(),
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> src/winsys/xdata/xconnection.rs:3214:9
[INFO] [stdout]      |
[INFO] [stdout] 3214 | /          drop(
[INFO] [stdout] 3215 | |/             self.conn
[INFO] [stdout] 3216 | ||                 .get_property(
[INFO] [stdout] 3217 | ||                     false,
[INFO] [stdout] 3218 | ||                     window,
[INFO] [stdout] ...    ||
[INFO] [stdout] 3236 | ||                 }),
[INFO] [stdout]      | ||__________________- argument has type `Option<()>`
[INFO] [stdout] 3237 | |          );
[INFO] [stdout]      | |__________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 3214 ~         let _ = self.conn
[INFO] [stdout] 3215 |                 .get_property(
[INFO] [stdout]  ...
[INFO] [stdout] 3234 |                     }
[INFO] [stdout] 3235 ~                 });
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]     --> src/winsys/xdata/xconnection.rs:3256:9
[INFO] [stdout]      |
[INFO] [stdout] 3256 | /          drop(
[INFO] [stdout] 3257 | |/             self.conn
[INFO] [stdout] 3258 | ||                 .get_property(
[INFO] [stdout] 3259 | ||                     false,
[INFO] [stdout] 3260 | ||                     window,
[INFO] [stdout] ...    ||
[INFO] [stdout] 3278 | ||                 }),
[INFO] [stdout]      | ||__________________- argument has type `Option<()>`
[INFO] [stdout] 3279 | |          );
[INFO] [stdout]      | |__________^
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 3256 ~         let _ = self.conn
[INFO] [stdout] 3257 |                 .get_property(
[INFO] [stdout]  ...
[INFO] [stdout] 3276 |                     }
[INFO] [stdout] 3277 ~                 });
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wzrd` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `wzrd` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bbc0b37c370d7e1970087efb7569d4d79c05bb63d4acaeaffbcf7142185e0a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc0b37c370d7e1970087efb7569d4d79c05bb63d4acaeaffbcf7142185e0a99", kill_on_drop: false }`
[INFO] [stdout] bbc0b37c370d7e1970087efb7569d4d79c05bb63d4acaeaffbcf7142185e0a99
