[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] testing magnus-lindstrom/keyboard_simulator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagnus-lindstrom%2Fkeyboard_simulator" "/workspace/builds/worker-117/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magnus-lindstrom/keyboard_simulator on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-117/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] [stderr]   Downloaded array-init v0.0.4
[INFO] [stderr]   Downloaded rand_pcg v0.2.0
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded c2-chacha v0.2.2
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cd6b2fef76a955e33c02ec7f3566e674efadb65cc8ec319690842a17dc12346
[INFO] running `Command { std: "docker" "start" "-a" "7cd6b2fef76a955e33c02ec7f3566e674efadb65cc8ec319690842a17dc12346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd6b2fef76a955e33c02ec7f3566e674efadb65cc8ec319690842a17dc12346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd6b2fef76a955e33c02ec7f3566e674efadb65cc8ec319690842a17dc12346", kill_on_drop: false }`
[INFO] [stdout] 7cd6b2fef76a955e33c02ec7f3566e674efadb65cc8ec319690842a17dc12346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 569388b8a8f5c856c2978e8f8a8ca0d9ede42dc9e30558d7135fafa4140458b6
[INFO] running `Command { std: "docker" "start" "-a" "569388b8a8f5c856c2978e8f8a8ca0d9ede42dc9e30558d7135fafa4140458b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling array-init v0.0.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_pcg v0.2.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [optimized + debuginfo] target(s) in 20.63s
[INFO] running `Command { std: "docker" "inspect" "569388b8a8f5c856c2978e8f8a8ca0d9ede42dc9e30558d7135fafa4140458b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "569388b8a8f5c856c2978e8f8a8ca0d9ede42dc9e30558d7135fafa4140458b6", kill_on_drop: false }`
[INFO] [stdout] 569388b8a8f5c856c2978e8f8a8ca0d9ede42dc9e30558d7135fafa4140458b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d9326c1f8f528a291f990f4750d9e04695fd220003da745ea34bed6e11d96b0
[INFO] running `Command { std: "docker" "start" "-a" "0d9326c1f8f528a291f990f4750d9e04695fd220003da745ea34bed6e11d96b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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 test [optimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "0d9326c1f8f528a291f990f4750d9e04695fd220003da745ea34bed6e11d96b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9326c1f8f528a291f990f4750d9e04695fd220003da745ea34bed6e11d96b0", kill_on_drop: false }`
[INFO] [stdout] 0d9326c1f8f528a291f990f4750d9e04695fd220003da745ea34bed6e11d96b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d39ffaf62fd85a0b1260e8cd13cb80f5d4159bc0a8958141a6b1621d3a0eba7
[INFO] running `Command { std: "docker" "start" "-a" "3d39ffaf62fd85a0b1260e8cd13cb80f5d4159bc0a8958141a6b1621d3a0eba7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `deb`
[INFO] [stderr]    --> src/lib.rs:143:4
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn deb<T: std::fmt::Debug>(x: T) {
[INFO] [stderr]     |    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pause`
[INFO] [stderr]    --> src/lib.rs:624:4
[INFO] [stderr]     |
[INFO] [stderr] 624 | fn pause() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `keyboard_optimiser` (lib) generated 2 warnings
[INFO] [stderr] warning: `keyboard_optimiser` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 5.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/keyboard_optimiser-af19955bf4a579c7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/keyboard_optimiser-40099c33b2a0aa37)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests keyboard_optimiser
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d39ffaf62fd85a0b1260e8cd13cb80f5d4159bc0a8958141a6b1621d3a0eba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d39ffaf62fd85a0b1260e8cd13cb80f5d4159bc0a8958141a6b1621d3a0eba7", kill_on_drop: false }`
[INFO] [stdout] 3d39ffaf62fd85a0b1260e8cd13cb80f5d4159bc0a8958141a6b1621d3a0eba7