[INFO] fetching crate pier 0.1.2...
[INFO] documenting pier-0.1.2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate pier 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pier 0.1.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pier 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pier 0.1.2
[INFO] tweaked toml for crates.io crate pier 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate pier 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcfde05ac758a72a110d5b2cc5c859e4dcb3ae34562a353954f3f86b3df993c4
[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" "dcfde05ac758a72a110d5b2cc5c859e4dcb3ae34562a353954f3f86b3df993c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcfde05ac758a72a110d5b2cc5c859e4dcb3ae34562a353954f3f86b3df993c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfde05ac758a72a110d5b2cc5c859e4dcb3ae34562a353954f3f86b3df993c4", kill_on_drop: false }`
[INFO] [stdout] dcfde05ac758a72a110d5b2cc5c859e4dcb3ae34562a353954f3f86b3df993c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1191f553000bea532de82b7637e7b8c8622c63f634f5e60dfa0375bf6a94bfaa
[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" "1191f553000bea532de82b7637e7b8c8622c63f634f5e60dfa0375bf6a94bfaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking encode_unicode v0.3.5
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling backtrace v0.3.16
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]  Documenting pier v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.40s
[INFO] running `Command { std: "docker" "inspect" "1191f553000bea532de82b7637e7b8c8622c63f634f5e60dfa0375bf6a94bfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1191f553000bea532de82b7637e7b8c8622c63f634f5e60dfa0375bf6a94bfaa", kill_on_drop: false }`
[INFO] [stdout] 1191f553000bea532de82b7637e7b8c8622c63f634f5e60dfa0375bf6a94bfaa
