[INFO] crate keyboard-layouts 0.2.1 is already in cache
[INFO] testing keyboard-layouts-0.2.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate keyboard-layouts 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate keyboard-layouts 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keyboard-layouts 0.2.1
[INFO] finished tweaking crates.io crate keyboard-layouts 0.2.1
[INFO] tweaked toml for crates.io crate keyboard-layouts 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate keyboard-layouts 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b46bbe8e1e7f07290b243800b66b448fa478375b6f7f6c8d2c2d40de010f188
[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" "8b46bbe8e1e7f07290b243800b66b448fa478375b6f7f6c8d2c2d40de010f188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b46bbe8e1e7f07290b243800b66b448fa478375b6f7f6c8d2c2d40de010f188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b46bbe8e1e7f07290b243800b66b448fa478375b6f7f6c8d2c2d40de010f188", kill_on_drop: false }`
[INFO] [stdout] 8b46bbe8e1e7f07290b243800b66b448fa478375b6f7f6c8d2c2d40de010f188
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97d2f929bb8b3356bfc5f1563e26dcda7b49de1811f72d546d2e259117cdcabd
[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" "97d2f929bb8b3356bfc5f1563e26dcda7b49de1811f72d546d2e259117cdcabd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling gen_layouts_sys v0.2.1
[INFO] [stderr]    Compiling keyboard-layouts v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `UNICODE_DIGIT_OFFSET`
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const UNICODE_DIGIT_OFFSET: usize = 48; // 0
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "97d2f929bb8b3356bfc5f1563e26dcda7b49de1811f72d546d2e259117cdcabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d2f929bb8b3356bfc5f1563e26dcda7b49de1811f72d546d2e259117cdcabd", kill_on_drop: false }`
[INFO] [stdout] 97d2f929bb8b3356bfc5f1563e26dcda7b49de1811f72d546d2e259117cdcabd
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd50e0ceaeda5cf0db420761079a590de1f7d36e8bae16a27572cc3045a0471
[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" "6cd50e0ceaeda5cf0db420761079a590de1f7d36e8bae16a27572cc3045a0471", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `clang`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `clang-sys v0.22.0`
[INFO] [stderr]     ... which is depended on by `bindgen v0.35.0`
[INFO] [stderr]     ... which is depended on by `uhid-sys v1.0.0`
[INFO] [stderr]     ... which is depended on by `tokio-linux-uhid v0.3.0`
[INFO] [stderr]     ... which is depended on by `keyboard-layouts v0.2.1 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `clang`
[INFO] [stderr] 
[INFO] [stderr] package `clang-sys v0.28.1`
[INFO] [stderr]     ... which is depended on by `bindgen v0.52.0`
[INFO] [stderr]     ... which is depended on by `gen_layouts_sys v0.2.1`
[INFO] [stderr]     ... which is depended on by `keyboard-layouts v0.2.1 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `clang`
[INFO] running `Command { std: "docker" "inspect" "6cd50e0ceaeda5cf0db420761079a590de1f7d36e8bae16a27572cc3045a0471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd50e0ceaeda5cf0db420761079a590de1f7d36e8bae16a27572cc3045a0471", kill_on_drop: false }`
[INFO] [stdout] 6cd50e0ceaeda5cf0db420761079a590de1f7d36e8bae16a27572cc3045a0471