[INFO] fetching crate calm 0.1.0...
[INFO] documenting calm-0.1.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate calm 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate calm 0.1.0 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 calm 0.1.0
[INFO] finished tweaking crates.io crate calm 0.1.0
[INFO] tweaked toml for crates.io crate calm 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3d03a8ffaef231c930807daba9698e2fc352515bf07f87221039d675331d1d1f
[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" "3d03a8ffaef231c930807daba9698e2fc352515bf07f87221039d675331d1d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d03a8ffaef231c930807daba9698e2fc352515bf07f87221039d675331d1d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d03a8ffaef231c930807daba9698e2fc352515bf07f87221039d675331d1d1f", kill_on_drop: false }`
[INFO] [stdout] 3d03a8ffaef231c930807daba9698e2fc352515bf07f87221039d675331d1d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4aa09b767b929ebc55bc1eb429ce8bfcd746648d1cca5d16f70cae09c3d6b5a5
[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" "4aa09b767b929ebc55bc1eb429ce8bfcd746648d1cca5d16f70cae09c3d6b5a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking which v1.0.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clicolors-control v0.3.2
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking console v0.5.0
[INFO] [stderr]     Checking indicatif v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking git2 v0.6.11
[INFO] [stderr]  Documenting calm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.85s
[INFO] running `Command { std: "docker" "inspect" "4aa09b767b929ebc55bc1eb429ce8bfcd746648d1cca5d16f70cae09c3d6b5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa09b767b929ebc55bc1eb429ce8bfcd746648d1cca5d16f70cae09c3d6b5a5", kill_on_drop: false }`
[INFO] [stdout] 4aa09b767b929ebc55bc1eb429ce8bfcd746648d1cca5d16f70cae09c3d6b5a5
