[INFO] fetching crate defrag-dirs 0.1.1...
[INFO] documenting defrag-dirs-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate defrag-dirs 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate defrag-dirs 0.1.1 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 defrag-dirs 0.1.1
[INFO] finished tweaking crates.io crate defrag-dirs 0.1.1
[INFO] tweaked toml for crates.io crate defrag-dirs 0.1.1 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] d0821e0b135f9bbc5730e6b06a3a46b82bfc909f84710929d34b856f8f89b635
[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" "d0821e0b135f9bbc5730e6b06a3a46b82bfc909f84710929d34b856f8f89b635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0821e0b135f9bbc5730e6b06a3a46b82bfc909f84710929d34b856f8f89b635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0821e0b135f9bbc5730e6b06a3a46b82bfc909f84710929d34b856f8f89b635", kill_on_drop: false }`
[INFO] [stdout] d0821e0b135f9bbc5730e6b06a3a46b82bfc909f84710929d34b856f8f89b635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8ce27431422844730b07c27f3f1b49e3d4ccf20d4e78fdba772224ce9ea63f86
[INFO] running `Command { std: "docker" "start" "-a" "8ce27431422844730b07c27f3f1b49e3d4ccf20d4e78fdba772224ce9ea63f86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stderr]    Compiling derive-error v0.0.3
[INFO] [stderr]     Checking btrfs2 v1.2.2
[INFO] [stderr]  Documenting defrag-dirs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `alloc_system`
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate alloc_system;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `defrag-dirs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name defrag_dirs src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=3f10dbefad765474 -L dependency=/opt/rustwide/target/debug/deps --extern btrfs2=/opt/rustwide/target/debug/deps/libbtrfs2-d417dae10f75f7ba.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-dfad95c758af285e.rmeta --extern derive_error=/opt/rustwide/target/debug/deps/libderive_error-7ec8d5570cc285fa.so --extern nix=/opt/rustwide/target/debug/deps/libnix-0547100e5ecef08e.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-7c405ab17cb1dcbd.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-22ff5d1ef7201bd7.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8ce27431422844730b07c27f3f1b49e3d4ccf20d4e78fdba772224ce9ea63f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce27431422844730b07c27f3f1b49e3d4ccf20d4e78fdba772224ce9ea63f86", kill_on_drop: false }`
[INFO] [stdout] 8ce27431422844730b07c27f3f1b49e3d4ccf20d4e78fdba772224ce9ea63f86