[INFO] fetching crate rusb 0.6.5...
[INFO] checking rusb-0.6.5 against beta for pr-78714
[INFO] extracting crate rusb 0.6.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rusb 0.6.5 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 rusb 0.6.5
[INFO] finished tweaking crates.io crate rusb 0.6.5
[INFO] tweaked toml for crates.io crate rusb 0.6.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rusb 0.6.5 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 356959726f09ce81004cbe70480e01469c129b2ab543ee8d0ecf544ba18d2225
[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" "356959726f09ce81004cbe70480e01469c129b2ab543ee8d0ecf544ba18d2225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "356959726f09ce81004cbe70480e01469c129b2ab543ee8d0ecf544ba18d2225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356959726f09ce81004cbe70480e01469c129b2ab543ee8d0ecf544ba18d2225", kill_on_drop: false }`
[INFO] [stdout] 356959726f09ce81004cbe70480e01469c129b2ab543ee8d0ecf544ba18d2225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35f945660d1f38a52530773eb1d9da73e5ae2e5467f2c61538683d6e65c27477
[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" "35f945660d1f38a52530773eb1d9da73e5ae2e5467f2c61538683d6e65c27477", kill_on_drop: false }`
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling libflate v1.0.2
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]    Compiling libusb1-sys v0.4.1
[INFO] [stderr]     Checking rusb v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "35f945660d1f38a52530773eb1d9da73e5ae2e5467f2c61538683d6e65c27477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f945660d1f38a52530773eb1d9da73e5ae2e5467f2c61538683d6e65c27477", kill_on_drop: false }`
[INFO] [stdout] 35f945660d1f38a52530773eb1d9da73e5ae2e5467f2c61538683d6e65c27477