[INFO] fetching crate ffplay 0.1.0...
[INFO] documenting ffplay-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ffplay 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ffplay 0.1.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffplay 0.1.0
[INFO] finished tweaking crates.io crate ffplay 0.1.0
[INFO] tweaked toml for crates.io crate ffplay 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 8706e6ee41eb7e3d0d5b16bcde651e0e571bd145fac4fb2bbc83e513a377b724
[INFO] running `Command { std: "docker" "start" "-a" "8706e6ee41eb7e3d0d5b16bcde651e0e571bd145fac4fb2bbc83e513a377b724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8706e6ee41eb7e3d0d5b16bcde651e0e571bd145fac4fb2bbc83e513a377b724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8706e6ee41eb7e3d0d5b16bcde651e0e571bd145fac4fb2bbc83e513a377b724", kill_on_drop: false }`
[INFO] [stdout] 8706e6ee41eb7e3d0d5b16bcde651e0e571bd145fac4fb2bbc83e513a377b724
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 8c9401bedfa2990f7cf0fd81cd2ba36e70c6488240eac3cf83597f5435938990
[INFO] running `Command { std: "docker" "start" "-a" "8c9401bedfa2990f7cf0fd81cd2ba36e70c6488240eac3cf83597f5435938990", kill_on_drop: false }`
[INFO] [stderr]  Documenting ffplay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/lib.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |         if(local_string.len() > obj.len()) {
[INFO] [stdout]   |           ^                              ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -         if(local_string.len() > obj.len()) {
[INFO] [stdout] 9 +         if local_string.len() > obj.len() {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "8c9401bedfa2990f7cf0fd81cd2ba36e70c6488240eac3cf83597f5435938990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9401bedfa2990f7cf0fd81cd2ba36e70c6488240eac3cf83597f5435938990", kill_on_drop: false }`
[INFO] [stdout] 8c9401bedfa2990f7cf0fd81cd2ba36e70c6488240eac3cf83597f5435938990
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 739e32888c85e1107700d0cff31c824eee4f04b01d2a4b4b7abb6675bd9c20f2
[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" "739e32888c85e1107700d0cff31c824eee4f04b01d2a4b4b7abb6675bd9c20f2", kill_on_drop: false }`
[INFO] [stderr]  Documenting ffplay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/lib.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |         if(local_string.len() > obj.len()) {
[INFO] [stdout]   |           ^                              ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -         if(local_string.len() > obj.len()) {
[INFO] [stdout] 9 +         if local_string.len() > obj.len() {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "739e32888c85e1107700d0cff31c824eee4f04b01d2a4b4b7abb6675bd9c20f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739e32888c85e1107700d0cff31c824eee4f04b01d2a4b4b7abb6675bd9c20f2", kill_on_drop: false }`
[INFO] [stdout] 739e32888c85e1107700d0cff31c824eee4f04b01d2a4b4b7abb6675bd9c20f2