[INFO] crate rusb 0.6.0 is already in cache
[INFO] documenting rusb-0.6.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate rusb 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rusb 0.6.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusb 0.6.0
[INFO] finished tweaking crates.io crate rusb 0.6.0
[INFO] tweaked toml for crates.io crate rusb 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rusb 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de21528e1d093bf8b03cdde2e54f59120f9e83af4d79ec505a59474eb90e2b3
[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" "1de21528e1d093bf8b03cdde2e54f59120f9e83af4d79ec505a59474eb90e2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de21528e1d093bf8b03cdde2e54f59120f9e83af4d79ec505a59474eb90e2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de21528e1d093bf8b03cdde2e54f59120f9e83af4d79ec505a59474eb90e2b3", kill_on_drop: false }`
[INFO] [stdout] 1de21528e1d093bf8b03cdde2e54f59120f9e83af4d79ec505a59474eb90e2b3
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16da35f2e9e8776413f402afdbdb4eddfeab09f5203cd7f219e3d71f6edaf2ec
[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" "16da35f2e9e8776413f402afdbdb4eddfeab09f5203cd7f219e3d71f6edaf2ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling tar v0.4.28
[INFO] [stderr]    Compiling libusb1-sys v0.3.7
[INFO] [stderr]  Documenting rusb v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "16da35f2e9e8776413f402afdbdb4eddfeab09f5203cd7f219e3d71f6edaf2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16da35f2e9e8776413f402afdbdb4eddfeab09f5203cd7f219e3d71f6edaf2ec", kill_on_drop: false }`
[INFO] [stdout] 16da35f2e9e8776413f402afdbdb4eddfeab09f5203cd7f219e3d71f6edaf2ec