[INFO] fetching crate ledger-hw-app-btc 0.0.1...
[INFO] documenting ledger-hw-app-btc-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ledger-hw-app-btc 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ledger-hw-app-btc 0.0.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledger-hw-app-btc 0.0.1
[INFO] finished tweaking crates.io crate ledger-hw-app-btc 0.0.1
[INFO] tweaked toml for crates.io crate ledger-hw-app-btc 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ledger-hw-app-btc 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded secp256k1 v0.17.2
[INFO] [stderr]   Downloaded hidapi v1.2.1
[INFO] [stderr]   Downloaded secp256k1-sys v0.1.2
[INFO] [stderr]   Downloaded tokio v0.2.19
[INFO] [stderr]   Downloaded cc v1.0.41
[INFO] [stderr]   Downloaded ledger-hw-transport-mock v0.0.1
[INFO] [stderr]   Downloaded async-trait v0.1.30
[INFO] [stderr]   Downloaded ledger-hw-transport-hid v0.0.1
[INFO] [stderr]   Downloaded bech32 v0.7.2
[INFO] [stderr]   Downloaded bitcoin v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f09c04ddc63e43391100dac06b8d01cc008659855772d360aeb9d201f9e6220
[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" "5f09c04ddc63e43391100dac06b8d01cc008659855772d360aeb9d201f9e6220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f09c04ddc63e43391100dac06b8d01cc008659855772d360aeb9d201f9e6220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f09c04ddc63e43391100dac06b8d01cc008659855772d360aeb9d201f9e6220", kill_on_drop: false }`
[INFO] [stdout] 5f09c04ddc63e43391100dac06b8d01cc008659855772d360aeb9d201f9e6220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08a46d88c91fca328a2fb241c304685417885bcaa92ea47333d703fcdfda9688
[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" "08a46d88c91fca328a2fb241c304685417885bcaa92ea47333d703fcdfda9688", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking ledger-hw v0.0.1
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking bitcoin v0.23.0
[INFO] [stderr]     Checking ledger-hw-transport v0.0.1
[INFO] [stderr]  Documenting ledger-hw-app-btc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.05s
[INFO] running `Command { std: "docker" "inspect" "08a46d88c91fca328a2fb241c304685417885bcaa92ea47333d703fcdfda9688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a46d88c91fca328a2fb241c304685417885bcaa92ea47333d703fcdfda9688", kill_on_drop: false }`
[INFO] [stdout] 08a46d88c91fca328a2fb241c304685417885bcaa92ea47333d703fcdfda9688