[INFO] fetching crate ktrl 0.1.8...
[INFO] checking ktrl-0.1.8 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate ktrl 0.1.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ktrl 0.1.8 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ktrl 0.1.8
[INFO] finished tweaking crates.io crate ktrl 0.1.8
[INFO] tweaked toml for crates.io crate ktrl 0.1.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ktrl 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ogg v0.7.0
[INFO] [stderr]   Downloaded enum-iterator v0.6.0
[INFO] [stderr]   Downloaded zmq-sys v0.11.0
[INFO] [stderr]   Downloaded ioctl-sys v0.5.2
[INFO] [stderr]   Downloaded zmq v0.9.2
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded evdev-rs v0.4.0
[INFO] [stderr]   Downloaded inner v0.1.1
[INFO] [stderr]   Downloaded enum-iterator-derive v0.6.0
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.4
[INFO] [stderr]   Downloaded lewton v0.10.1
[INFO] [stderr]   Downloaded evdev-sys v0.2.1
[INFO] [stderr]   Downloaded uinput-sys v0.1.7
[INFO] [stderr]   Downloaded claxon v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 699ce413aec29d4c5fcaffa955b769e8d59f5617853832e84c1d862f2cd9f3e6
[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" "699ce413aec29d4c5fcaffa955b769e8d59f5617853832e84c1d862f2cd9f3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "699ce413aec29d4c5fcaffa955b769e8d59f5617853832e84c1d862f2cd9f3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699ce413aec29d4c5fcaffa955b769e8d59f5617853832e84c1d862f2cd9f3e6", kill_on_drop: false }`
[INFO] [stdout] 699ce413aec29d4c5fcaffa955b769e8d59f5617853832e84c1d862f2cd9f3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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] 666568efe4bb59ec049d6e6a5495e7982b8c2e306de9a72054ba8d2498dae3f0
[INFO] running `Command { std: "docker" "start" "-a" "666568efe4bb59ec049d6e6a5495e7982b8c2e306de9a72054ba8d2498dae3f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking inner v0.1.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking uinput-sys v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling evdev-sys v0.2.1
[INFO] [stderr]     Checking evdev-rs v0.4.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking ron v0.6.0
[INFO] [stderr]     Checking ktrl v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.85s
[INFO] running `Command { std: "docker" "inspect" "666568efe4bb59ec049d6e6a5495e7982b8c2e306de9a72054ba8d2498dae3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666568efe4bb59ec049d6e6a5495e7982b8c2e306de9a72054ba8d2498dae3f0", kill_on_drop: false }`
[INFO] [stdout] 666568efe4bb59ec049d6e6a5495e7982b8c2e306de9a72054ba8d2498dae3f0