[INFO] cloning repository https://github.com/magnus-lindstrom/keyboard_simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magnus-lindstrom/keyboard_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagnus-lindstrom%2Fkeyboard_simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagnus-lindstrom%2Fkeyboard_simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a35ff35d2be6734e249dec7bd35a304ab003ac83
[INFO] checking magnus-lindstrom/keyboard_simulator against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagnus-lindstrom%2Fkeyboard_simulator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magnus-lindstrom/keyboard_simulator on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/magnus-lindstrom/keyboard_simulator
[INFO] finished tweaking git repo https://github.com/magnus-lindstrom/keyboard_simulator
[INFO] tweaked toml for git repo https://github.com/magnus-lindstrom/keyboard_simulator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/magnus-lindstrom/keyboard_simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a11851e7275b8f0feefa101752f9a47704462bbc16ab9d8c33e44732def4b13
[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" "9a11851e7275b8f0feefa101752f9a47704462bbc16ab9d8c33e44732def4b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a11851e7275b8f0feefa101752f9a47704462bbc16ab9d8c33e44732def4b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a11851e7275b8f0feefa101752f9a47704462bbc16ab9d8c33e44732def4b13", kill_on_drop: false }`
[INFO] [stdout] 9a11851e7275b8f0feefa101752f9a47704462bbc16ab9d8c33e44732def4b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] a79183636b244443c352374b78d14080b4afd9f135eb72c83d188542bbb144f5
[INFO] running `Command { std: "docker" "start" "-a" "a79183636b244443c352374b78d14080b4afd9f135eb72c83d188542bbb144f5", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking keyboard_optimiser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `deb`
[INFO] [stdout]    --> src/lib.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn deb<T: std::fmt::Debug>(x: T) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pause`
[INFO] [stdout]    --> src/lib.rs:624:4
[INFO] [stdout]     |
[INFO] [stdout] 624 | fn pause() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deb`
[INFO] [stdout]    --> src/lib.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn deb<T: std::fmt::Debug>(x: T) {
[INFO] [stdout]     |    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pause`
[INFO] [stdout]    --> src/lib.rs:624:4
[INFO] [stdout]     |
[INFO] [stdout] 624 | fn pause() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 43.70s
[INFO] running `Command { std: "docker" "inspect" "a79183636b244443c352374b78d14080b4afd9f135eb72c83d188542bbb144f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79183636b244443c352374b78d14080b4afd9f135eb72c83d188542bbb144f5", kill_on_drop: false }`
[INFO] [stdout] a79183636b244443c352374b78d14080b4afd9f135eb72c83d188542bbb144f5