[INFO] fetching crate rustotpony 0.2.6...
[INFO] documenting rustotpony-0.2.6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rustotpony 0.2.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rustotpony 0.2.6 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 rustotpony 0.2.6
[INFO] finished tweaking crates.io crate rustotpony 0.2.6
[INFO] tweaked toml for crates.io crate rustotpony 0.2.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rustotpony 0.2.6 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 generic-array v0.7.3
[INFO] [stderr]   Downloaded crypto-mac v0.3.0
[INFO] [stderr]   Downloaded sha-1 v0.3.4
[INFO] [stderr]   Downloaded security-framework v0.3.3
[INFO] [stderr]   Downloaded hkdf v0.7.1
[INFO] [stderr]   Downloaded secret-service v1.0.0
[INFO] [stderr]   Downloaded keyring v0.7.1
[INFO] [stderr]   Downloaded digest-buffer v0.3.1
[INFO] [stderr]   Downloaded hmac v0.1.1
[INFO] [stderr]   Downloaded digest v0.5.2
[INFO] [stderr]   Downloaded byte-tools v0.1.3
[INFO] [stderr]   Downloaded sha2 v0.5.3
[INFO] [stderr]   Downloaded oath v0.10.2
[INFO] [stderr]   Downloaded synstructure v0.12.2
[INFO] [stderr]   Downloaded rpassword v4.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 09c16a9c1bacce6f3df9adb6da26aeedc0036d9aa1b3b1f83fe9f397606a9278
[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" "09c16a9c1bacce6f3df9adb6da26aeedc0036d9aa1b3b1f83fe9f397606a9278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09c16a9c1bacce6f3df9adb6da26aeedc0036d9aa1b3b1f83fe9f397606a9278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c16a9c1bacce6f3df9adb6da26aeedc0036d9aa1b3b1f83fe9f397606a9278", kill_on_drop: false }`
[INFO] [stdout] 09c16a9c1bacce6f3df9adb6da26aeedc0036d9aa1b3b1f83fe9f397606a9278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 17e064b06da69c5f7ec18dc2a0391fc76cf776c936e8137ac57883751719aae5
[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" "17e064b06da69c5f7ec18dc2a0391fc76cf776c936e8137ac57883751719aae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dbus v0.2.3
[INFO] [stderr]     Checking rpassword v4.0.1
[INFO] [stderr]     Checking generic-array v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking hkdf v0.7.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking crypto-mac v0.3.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking sha-1 v0.3.4
[INFO] [stderr]     Checking sha2 v0.5.3
[INFO] [stderr]     Checking hmac v0.1.1
[INFO] [stderr]     Checking oath v0.10.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]    Compiling keyring v0.7.1
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking secret-service v1.0.0
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking rustotpony v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rustotpony v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.91s
[INFO] running `Command { std: "docker" "inspect" "17e064b06da69c5f7ec18dc2a0391fc76cf776c936e8137ac57883751719aae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e064b06da69c5f7ec18dc2a0391fc76cf776c936e8137ac57883751719aae5", kill_on_drop: false }`
[INFO] [stdout] 17e064b06da69c5f7ec18dc2a0391fc76cf776c936e8137ac57883751719aae5