[INFO] cloning repository https://github.com/Technical27/mumble-link
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Technical27/mumble-link" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnical27%2Fmumble-link", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnical27%2Fmumble-link'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c988fac66b19354740f6bce9337e408beb659030
[INFO] checking Technical27/mumble-link against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnical27%2Fmumble-link" "/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/Technical27/mumble-link on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Technical27/mumble-link
[INFO] finished tweaking git repo https://github.com/Technical27/mumble-link
[INFO] tweaked toml for git repo https://github.com/Technical27/mumble-link written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Technical27/mumble-link already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac7c648344da5e0dd7cf7836f5c6a32290bdeacc0c2a93b5e526e4dab4723085
[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" "ac7c648344da5e0dd7cf7836f5c6a32290bdeacc0c2a93b5e526e4dab4723085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac7c648344da5e0dd7cf7836f5c6a32290bdeacc0c2a93b5e526e4dab4723085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7c648344da5e0dd7cf7836f5c6a32290bdeacc0c2a93b5e526e4dab4723085", kill_on_drop: false }`
[INFO] [stdout] ac7c648344da5e0dd7cf7836f5c6a32290bdeacc0c2a93b5e526e4dab4723085
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] b4aaf48dd23059a9ff71c8c29fa30e7afc3add5b764f769c152aa77eb5d9e975
[INFO] running `Command { std: "docker" "start" "-a" "b4aaf48dd23059a9ff71c8c29fa30e7afc3add5b764f769c152aa77eb5d9e975", kill_on_drop: false }`
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]    Compiling jni v0.19.0
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking MumbleLink v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.24s
[INFO] running `Command { std: "docker" "inspect" "b4aaf48dd23059a9ff71c8c29fa30e7afc3add5b764f769c152aa77eb5d9e975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4aaf48dd23059a9ff71c8c29fa30e7afc3add5b764f769c152aa77eb5d9e975", kill_on_drop: false }`
[INFO] [stdout] b4aaf48dd23059a9ff71c8c29fa30e7afc3add5b764f769c152aa77eb5d9e975