[INFO] fetching crate psl 0.4.1...
[INFO] documenting psl-0.4.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate psl 0.4.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate psl 0.4.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate psl 0.4.1
[INFO] finished tweaking crates.io crate psl 0.4.1
[INFO] tweaked toml for crates.io crate psl 0.4.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7171250577bfb4a0d729b415af9e15da791c63a7710d2f054d11a78452b81bde
[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" "7171250577bfb4a0d729b415af9e15da791c63a7710d2f054d11a78452b81bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7171250577bfb4a0d729b415af9e15da791c63a7710d2f054d11a78452b81bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7171250577bfb4a0d729b415af9e15da791c63a7710d2f054d11a78452b81bde", kill_on_drop: false }`
[INFO] [stdout] 7171250577bfb4a0d729b415af9e15da791c63a7710d2f054d11a78452b81bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc2cf61b0c2e2277f8b45f66f6b11d7ec643b38ad721961728198ae2c5d0c4e2
[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" "cc2cf61b0c2e2277f8b45f66f6b11d7ec643b38ad721961728198ae2c5d0c4e2", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling psl v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling psl-lexer v0.2.0
[INFO] [stderr]    Compiling psl-codegen v0.4.2
[INFO] [stderr]  Documenting psl v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]  --> src/list.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Psl, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Default)]
[INFO] [stdout]   |          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: failed to download the list: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `psl`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name psl src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="list"' --cfg 'feature="psl-codegen"' --cfg 'feature="serde"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern psl_codegen=/opt/rustwide/target/debug/deps/libpsl_codegen-266072583e7f7ea8.so --extern serde=/opt/rustwide/target/debug/deps/libserde-fed35a07630d9aee.rmeta --cap-lints=warn --crate-version 0.4.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "cc2cf61b0c2e2277f8b45f66f6b11d7ec643b38ad721961728198ae2c5d0c4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc2cf61b0c2e2277f8b45f66f6b11d7ec643b38ad721961728198ae2c5d0c4e2", kill_on_drop: false }`
[INFO] [stdout] cc2cf61b0c2e2277f8b45f66f6b11d7ec643b38ad721961728198ae2c5d0c4e2