[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#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-matteson%2Fpipit-keyboard" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/e-matteson/pipit-keyboard on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9b5bf0a65637fb67e344ca4030ca144f0aa0bd960c450efa059e7e94dba99d5
[INFO] running `Command { std: "docker" "start" "-a" "e9b5bf0a65637fb67e344ca4030ca144f0aa0bd960c450efa059e7e94dba99d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9b5bf0a65637fb67e344ca4030ca144f0aa0bd960c450efa059e7e94dba99d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b5bf0a65637fb67e344ca4030ca144f0aa0bd960c450efa059e7e94dba99d5", kill_on_drop: false }`
[INFO] [stdout] e9b5bf0a65637fb67e344ca4030ca144f0aa0bd960c450efa059e7e94dba99d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9abec4aa47e354287d31e65a09812fe8fdbda2e2669c1c01c0d38cfa5c0bab0
[INFO] running `Command { std: "docker" "start" "-a" "b9abec4aa47e354287d31e65a09812fe8fdbda2e2669c1c01c0d38cfa5c0bab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking svg v0.5.11
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.4.3
[INFO] [stderr]     Checking enumset v0.4.4
[INFO] [stderr]     Checking cursive v0.13.0
[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]     | |______________________________^
[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] 
[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]     | |______________________________^
[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] 
[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]     | |______________________________^
[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] 
[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]     | |______________________________^
[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] 
[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]     | |______________________________^
[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] 
[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]     | |______________________________^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.63s
[INFO] running `Command { std: "docker" "inspect" "b9abec4aa47e354287d31e65a09812fe8fdbda2e2669c1c01c0d38cfa5c0bab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9abec4aa47e354287d31e65a09812fe8fdbda2e2669c1c01c0d38cfa5c0bab0", kill_on_drop: false }`
[INFO] [stdout] b9abec4aa47e354287d31e65a09812fe8fdbda2e2669c1c01c0d38cfa5c0bab0