[INFO] fetching crate lv2rs 0.3.2...
[INFO] checking lv2rs-0.3.2 against beta for pr-78714
[INFO] extracting crate lv2rs 0.3.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lv2rs 0.3.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lv2rs 0.3.2
[INFO] finished tweaking crates.io crate lv2rs 0.3.2
[INFO] tweaked toml for crates.io crate lv2rs 0.3.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 16e6bee54546e88063d1162dece4d202261126032bc53604b765e672d24d2c70
[INFO] running `Command { std: "docker" "start" "-a" "16e6bee54546e88063d1162dece4d202261126032bc53604b765e672d24d2c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16e6bee54546e88063d1162dece4d202261126032bc53604b765e672d24d2c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e6bee54546e88063d1162dece4d202261126032bc53604b765e672d24d2c70", kill_on_drop: false }`
[INFO] [stdout] 16e6bee54546e88063d1162dece4d202261126032bc53604b765e672d24d2c70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d636e3e26af222d479687a7157676d3fb0faac1b20c6637b8f55deada33458
[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" "17d636e3e26af222d479687a7157676d3fb0faac1b20c6637b8f55deada33458", kill_on_drop: false }`
[INFO] [stderr]     Checking lv2rs-core v0.3.3
[INFO] [stderr]     Checking ux v0.1.3
[INFO] [stderr]     Checking lv2rs-urid v0.2.2
[INFO] [stderr]     Checking lv2rs-atom v0.1.2
[INFO] [stderr]     Checking lv2rs-midi v0.1.2
[INFO] [stderr]     Checking lv2rs v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `Command { std: "docker" "inspect" "17d636e3e26af222d479687a7157676d3fb0faac1b20c6637b8f55deada33458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d636e3e26af222d479687a7157676d3fb0faac1b20c6637b8f55deada33458", kill_on_drop: false }`
[INFO] [stdout] 17d636e3e26af222d479687a7157676d3fb0faac1b20c6637b8f55deada33458