[INFO] fetching crate libknox 0.4.0...
[INFO] documenting libknox-0.4.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate libknox 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libknox 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libknox 0.4.0
[INFO] finished tweaking crates.io crate libknox 0.4.0
[INFO] tweaked toml for crates.io crate libknox 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate libknox 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 590527b857120d17f345a13ca6253fed4dfca0d407118ab10c517f9947f2f03b
[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" "590527b857120d17f345a13ca6253fed4dfca0d407118ab10c517f9947f2f03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "590527b857120d17f345a13ca6253fed4dfca0d407118ab10c517f9947f2f03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590527b857120d17f345a13ca6253fed4dfca0d407118ab10c517f9947f2f03b", kill_on_drop: false }`
[INFO] [stdout] 590527b857120d17f345a13ca6253fed4dfca0d407118ab10c517f9947f2f03b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] a007a0dbb668d03588f68e27e6cdcf676ef4a0ba6a58b3d8d30c875b2c965d01
[INFO] running `Command { std: "docker" "start" "-a" "a007a0dbb668d03588f68e27e6cdcf676ef4a0ba6a58b3d8d30c875b2c965d01", kill_on_drop: false }`
[INFO] [stderr]    Compiling libgpg-error-sys v0.5.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]    Compiling gpgme-sys v0.9.1
[INFO] [stderr]    Compiling gpg-error v0.5.1
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking generic-array v0.7.3
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[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 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 cstr-argument v0.1.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking gpgme v0.9.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.17
[INFO] [stderr]    Compiling libgit2-sys v0.12.5+1.0.0
[INFO] [stderr]     Checking git2 v0.13.5
[INFO] [stderr]  Documenting libknox v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.24s
[INFO] running `Command { std: "docker" "inspect" "a007a0dbb668d03588f68e27e6cdcf676ef4a0ba6a58b3d8d30c875b2c965d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a007a0dbb668d03588f68e27e6cdcf676ef4a0ba6a58b3d8d30c875b2c965d01", kill_on_drop: false }`
[INFO] [stdout] a007a0dbb668d03588f68e27e6cdcf676ef4a0ba6a58b3d8d30c875b2c965d01
