[INFO] fetching crate pyc-shell 0.2.0...
[INFO] documenting pyc-shell-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate pyc-shell 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pyc-shell 0.2.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pyc-shell 0.2.0
[INFO] finished tweaking crates.io crate pyc-shell 0.2.0
[INFO] tweaked toml for crates.io crate pyc-shell 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate pyc-shell 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b28ecb4a7d2f0dbf8fa12b6b69e42ba69b8d5104ce65f1929ab76c820a1f946
[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" "9b28ecb4a7d2f0dbf8fa12b6b69e42ba69b8d5104ce65f1929ab76c820a1f946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b28ecb4a7d2f0dbf8fa12b6b69e42ba69b8d5104ce65f1929ab76c820a1f946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b28ecb4a7d2f0dbf8fa12b6b69e42ba69b8d5104ce65f1929ab76c820a1f946", kill_on_drop: false }`
[INFO] [stdout] 9b28ecb4a7d2f0dbf8fa12b6b69e42ba69b8d5104ce65f1929ab76c820a1f946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2612cec71308c09b127db1998a105b8989a0fbc04bd3ea7137cab4cb28327b5d
[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" "2612cec71308c09b127db1998a105b8989a0fbc04bd3ea7137cab4cb28327b5d", kill_on_drop: false }`
[INFO] [stderr]     Checking whoami v0.8.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libssh2-sys v0.2.16
[INFO] [stderr]    Compiling libgit2-sys v0.11.0+0.99.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking git2 v0.12.0
[INFO] [stderr]     Checking pyc-shell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting pyc-shell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `rev_search`
[INFO] [stdout]   --> src/runtime/props.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     rev_search: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.03s
[INFO] running `Command { std: "docker" "inspect" "2612cec71308c09b127db1998a105b8989a0fbc04bd3ea7137cab4cb28327b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2612cec71308c09b127db1998a105b8989a0fbc04bd3ea7137cab4cb28327b5d", kill_on_drop: false }`
[INFO] [stdout] 2612cec71308c09b127db1998a105b8989a0fbc04bd3ea7137cab4cb28327b5d