[INFO] fetching crate nvoclock 0.0.3...
[INFO] documenting nvoclock-0.0.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nvoclock 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nvoclock 0.0.3 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 nvoclock 0.0.3
[INFO] finished tweaking crates.io crate nvoclock 0.0.3
[INFO] tweaked toml for crates.io crate nvoclock 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded result v0.0.1
[INFO] [stderr]   Downloaded nvapi v0.0.3
[INFO] [stderr]   Downloaded nvapi-sys v0.0.3
[INFO] [stderr]   Downloaded nvapi-hi v0.0.3
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7c1db2f8beb534d5a0b741b85b430fb6b9d34943c3d681b73c6c5a610ab7698
[INFO] running `Command { std: "docker" "start" "-a" "d7c1db2f8beb534d5a0b741b85b430fb6b9d34943c3d681b73c6c5a610ab7698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7c1db2f8beb534d5a0b741b85b430fb6b9d34943c3d681b73c6c5a610ab7698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c1db2f8beb534d5a0b741b85b430fb6b9d34943c3d681b73c6c5a610ab7698", kill_on_drop: false }`
[INFO] [stdout] d7c1db2f8beb534d5a0b741b85b430fb6b9d34943c3d681b73c6c5a610ab7698
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04ad3edb594897f521364eba8fb03d89ea97a4c864e1ed9915f20ea3b9884b1f
[INFO] running `Command { std: "docker" "start" "-a" "04ad3edb594897f521364eba8fb03d89ea97a4c864e1ed9915f20ea3b9884b1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking result v0.0.1
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking libc v0.2.76
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking nvapi-sys v0.0.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking nvapi v0.0.3
[INFO] [stderr]     Checking nvapi-hi v0.0.3
[INFO] [stderr]  Documenting nvoclock v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.69s
[INFO] running `Command { std: "docker" "inspect" "04ad3edb594897f521364eba8fb03d89ea97a4c864e1ed9915f20ea3b9884b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ad3edb594897f521364eba8fb03d89ea97a4c864e1ed9915f20ea3b9884b1f", kill_on_drop: false }`
[INFO] [stdout] 04ad3edb594897f521364eba8fb03d89ea97a4c864e1ed9915f20ea3b9884b1f