[INFO] cloning repository https://github.com/e-matteson/pipit-keyboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e-matteson/pipit-keyboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-matteson%2Fpipit-keyboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-matteson%2Fpipit-keyboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bab99f78186f922d301cf9eed4a1c59fceeee161
[INFO] checking e-matteson/pipit-keyboard against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-matteson%2Fpipit-keyboard" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/e-matteson/pipit-keyboard on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/e-matteson/pipit-keyboard
[INFO] finished tweaking git repo https://github.com/e-matteson/pipit-keyboard
[INFO] tweaked toml for git repo https://github.com/e-matteson/pipit-keyboard written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/e-matteson/pipit-keyboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded array-macro v1.0.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10a5fa1e489d5edcbdb2086f147e5b01a6ea672ef3242212be10a156efa8035a
[INFO] running `Command { std: "docker" "start" "-a" "10a5fa1e489d5edcbdb2086f147e5b01a6ea672ef3242212be10a156efa8035a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a5fa1e489d5edcbdb2086f147e5b01a6ea672ef3242212be10a156efa8035a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a5fa1e489d5edcbdb2086f147e5b01a6ea672ef3242212be10a156efa8035a", kill_on_drop: false }`
[INFO] [stdout] 10a5fa1e489d5edcbdb2086f147e5b01a6ea672ef3242212be10a156efa8035a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89cb9a14f7cf42108c54de2ec9e82ed2262eab77608a79b92b8dd8a67b3115fc
[INFO] running `Command { std: "docker" "start" "-a" "89cb9a14f7cf42108c54de2ec9e82ed2262eab77608a79b92b8dd8a67b3115fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling num-integer v0.1.39
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[INFO] [stderr]    Compiling quote v1.0.2
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[INFO] [stderr]    Compiling syn v0.14.4
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[INFO] [stderr]     Checking signal-hook v0.1.12
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[INFO] [stderr]     Checking serde_yaml v0.7.5
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[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling darling_core v0.10.2
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[INFO] [stderr]     Checking pipit-keyboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/types/validate.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                         &self.$field.validate()
[INFO] [stdout] 120 | |                             .with_context(||
[INFO] [stdout] 121 | |                                 format!("Invalid value in: '{}'", stringify!($field))
[INFO] [stdout] 122 | |                             )?;
[INFO] [stdout]     | |______________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/types/user_options.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | / validated_struct! {
[INFO] [stdout] 13  | |     #[derive(Deserialize, Debug)]
[INFO] [stdout] 14  | |     #[serde(deny_unknown_fields)]
[INFO] [stdout] 15  | |     pub struct UserOptions {
[INFO] [stdout] ...   |
[INFO] [stdout] 40  | |     }
[INFO] [stdout] 41  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `validated_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         let _ = &self.$field.validate()
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/types/validate.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                         &self.$field.validate()
[INFO] [stdout] 120 | |                             .with_context(||
[INFO] [stdout] 121 | |                                 format!("Invalid value in: '{}'", stringify!($field))
[INFO] [stdout] 122 | |                             )?;
[INFO] [stdout]     | |______________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/types/user_options.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | / validated_struct! {
[INFO] [stdout] 13  | |     #[derive(Deserialize, Debug)]
[INFO] [stdout] 14  | |     #[serde(deny_unknown_fields)]
[INFO] [stdout] 15  | |     pub struct UserOptions {
[INFO] [stdout] ...   |
[INFO] [stdout] 40  | |     }
[INFO] [stdout] 41  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `validated_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         let _ = &self.$field.validate()
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/types/validate.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                         &self.$field.validate()
[INFO] [stdout] 120 | |                             .with_context(||
[INFO] [stdout] 121 | |                                 format!("Invalid value in: '{}'", stringify!($field))
[INFO] [stdout] 122 | |                             )?;
[INFO] [stdout]     | |______________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/input/settings.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | / validated_struct! {
[INFO] [stdout] 13  | |     #[derive(Deserialize, Debug)]
[INFO] [stdout] 14  | |     #[serde(deny_unknown_fields)]
[INFO] [stdout] 15  | |     pub struct Settings {
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |     }
[INFO] [stdout] 28  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `validated_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         let _ = &self.$field.validate()
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/types/validate.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                         &self.$field.validate()
[INFO] [stdout] 120 | |                             .with_context(||
[INFO] [stdout] 121 | |                                 format!("Invalid value in: '{}'", stringify!($field))
[INFO] [stdout] 122 | |                             )?;
[INFO] [stdout]     | |______________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/types/user_options.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | / validated_struct! {
[INFO] [stdout] 13  | |     #[derive(Deserialize, Debug)]
[INFO] [stdout] 14  | |     #[serde(deny_unknown_fields)]
[INFO] [stdout] 15  | |     pub struct UserOptions {
[INFO] [stdout] ...   |
[INFO] [stdout] 40  | |     }
[INFO] [stdout] 41  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `validated_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         let _ = &self.$field.validate()
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/types/validate.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                         &self.$field.validate()
[INFO] [stdout] 120 | |                             .with_context(||
[INFO] [stdout] 121 | |                                 format!("Invalid value in: '{}'", stringify!($field))
[INFO] [stdout] 122 | |                             )?;
[INFO] [stdout]     | |______________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/types/user_options.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | / validated_struct! {
[INFO] [stdout] 13  | |     #[derive(Deserialize, Debug)]
[INFO] [stdout] 14  | |     #[serde(deny_unknown_fields)]
[INFO] [stdout] 15  | |     pub struct UserOptions {
[INFO] [stdout] ...   |
[INFO] [stdout] 40  | |     }
[INFO] [stdout] 41  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `validated_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         let _ = &self.$field.validate()
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/types/validate.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 | /                         &self.$field.validate()
[INFO] [stdout] 120 | |                             .with_context(||
[INFO] [stdout] 121 | |                                 format!("Invalid value in: '{}'", stringify!($field))
[INFO] [stdout] 122 | |                             )?;
[INFO] [stdout]     | |______________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/input/settings.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | / validated_struct! {
[INFO] [stdout] 13  | |     #[derive(Deserialize, Debug)]
[INFO] [stdout] 14  | |     #[serde(deny_unknown_fields)]
[INFO] [stdout] 15  | |     pub struct Settings {
[INFO] [stdout] ...   |
[INFO] [stdout] 27  | |     }
[INFO] [stdout] 28  | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `validated_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         let _ = &self.$field.validate()
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.63s
[INFO] running `Command { std: "docker" "inspect" "89cb9a14f7cf42108c54de2ec9e82ed2262eab77608a79b92b8dd8a67b3115fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89cb9a14f7cf42108c54de2ec9e82ed2262eab77608a79b92b8dd8a67b3115fc", kill_on_drop: false }`
[INFO] [stdout] 89cb9a14f7cf42108c54de2ec9e82ed2262eab77608a79b92b8dd8a67b3115fc