[INFO] fetching crate tfc 0.6.0...
[INFO] checking tfc-0.6.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate tfc 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tfc 0.6.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tfc 0.6.0
[INFO] finished tweaking crates.io crate tfc 0.6.0
[INFO] tweaked toml for crates.io crate tfc 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate tfc 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd9ec8aea82315b043ee7fec5f42dc7c802a7df3dce23c075e55f2b75f6def71
[INFO] running `Command { std: "docker" "start" "-a" "fd9ec8aea82315b043ee7fec5f42dc7c802a7df3dce23c075e55f2b75f6def71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9ec8aea82315b043ee7fec5f42dc7c802a7df3dce23c075e55f2b75f6def71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9ec8aea82315b043ee7fec5f42dc7c802a7df3dce23c075e55f2b75f6def71", kill_on_drop: false }`
[INFO] [stdout] fd9ec8aea82315b043ee7fec5f42dc7c802a7df3dce23c075e55f2b75f6def71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2982a734fa745ddd4ad22267134fe22eb4200fa30baff00d57e4b38e34fa33b1
[INFO] running `Command { std: "docker" "start" "-a" "2982a734fa745ddd4ad22267134fe22eb4200fa30baff00d57e4b38e34fa33b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tfc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/command/execute.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |             return Ok(true);
[INFO] [stdout]    |                       ^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/command/execute.rs:71:28
[INFO] [stdout]    |
[INFO] [stdout] 71 |             _ => return Ok(false)
[INFO] [stdout]    |                            ^^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/command/execute.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |            match self {
[INFO] [stdout]    |   _________^
[INFO] [stdout]    |  |_________|
[INFO] [stdout]    | ||
[INFO] [stdout] 67 | ||             UnicodeCharDown(_) => panic!("UnicodeKeyboardContext is not implemented"),
[INFO] [stdout] 68 | ||             UnicodeCharUp(_) => panic!("UnicodeKeyboardContext is not implemented"),
[INFO] [stdout] 69 | ||             UnicodeChar(_) => panic!("UnicodeKeyboardContext is not implemented"),
[INFO] [stdout] 70 | ||             UnicodeString(_) => panic!("UnicodeKeyboardContext is not implemented"),
[INFO] [stdout] 71 | ||             _ => return Ok(false)
[INFO] [stdout] 72 | ||         }?;
[INFO] [stdout]    | ||_________-^ unreachable call
[INFO] [stdout]    | |__________|
[INFO] [stdout]    |            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/command/execute.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |             return Ok(true);
[INFO] [stdout]    |                       ^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/command/execute.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Ok(true)
[INFO] [stdout]    |            ^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/command/execute.rs:71:28
[INFO] [stdout]    |
[INFO] [stdout] 71 |             _ => return Ok(false)
[INFO] [stdout]    |                            ^^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/command/execute.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |            match self {
[INFO] [stdout]    |   _________^
[INFO] [stdout]    |  |_________|
[INFO] [stdout]    | ||
[INFO] [stdout] 67 | ||             UnicodeCharDown(_) => panic!("UnicodeKeyboardContext is not implemented"),
[INFO] [stdout] 68 | ||             UnicodeCharUp(_) => panic!("UnicodeKeyboardContext is not implemented"),
[INFO] [stdout] 69 | ||             UnicodeChar(_) => panic!("UnicodeKeyboardContext is not implemented"),
[INFO] [stdout] 70 | ||             UnicodeString(_) => panic!("UnicodeKeyboardContext is not implemented"),
[INFO] [stdout] 71 | ||             _ => return Ok(false)
[INFO] [stdout] 72 | ||         }?;
[INFO] [stdout]    | ||_________-^ unreachable call
[INFO] [stdout]    | |__________|
[INFO] [stdout]    |            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/command/execute.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Ok(true)
[INFO] [stdout]    |            ^^^^ expected `()`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: try expression alternatives have incompatible types
[INFO] [stdout]    --> src/command/execute.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if self.execute_unicode(ctx)? {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: try expression alternatives have incompatible types
[INFO] [stdout]    --> src/command/execute.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |         if self.execute_unicode(ctx)? {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `COUNT` found for enum `key::Key` in the current scope
[INFO] [stdout]    --> src/linux_wayland/mod.rs:40:33
[INFO] [stdout]     |
[INFO] [stdout] 40  |         for k in 0..crate::Key::COUNT {
[INFO] [stdout]     |                                 ^^^^^ variant or associated item not found in `key::Key`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/enum.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         pub enum $name {
[INFO] [stdout]     |         -------------- variant or associated item `COUNT` not found here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use crate::r#enum::Enum;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tfc`
[INFO] [stdout] error[E0599]: no variant or associated item named `COUNT` found for enum `key::Key` in the current scope
[INFO] [stdout]    --> src/linux_wayland/mod.rs:40:33
[INFO] [stdout]     |
[INFO] [stdout] 40  |         for k in 0..crate::Key::COUNT {
[INFO] [stdout]     |                                 ^^^^^ variant or associated item not found in `key::Key`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/enum.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         pub enum $name {
[INFO] [stdout]     |         -------------- variant or associated item `COUNT` not found here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use crate::r#enum::Enum;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2982a734fa745ddd4ad22267134fe22eb4200fa30baff00d57e4b38e34fa33b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2982a734fa745ddd4ad22267134fe22eb4200fa30baff00d57e4b38e34fa33b1", kill_on_drop: false }`
[INFO] [stdout] 2982a734fa745ddd4ad22267134fe22eb4200fa30baff00d57e4b38e34fa33b1