[INFO] fetching crate ia-sandbox 0.2.0...
[INFO] documenting ia-sandbox-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ia-sandbox 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ia-sandbox 0.2.0 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 ia-sandbox 0.2.0
[INFO] finished tweaking crates.io crate ia-sandbox 0.2.0
[INFO] tweaked toml for crates.io crate ia-sandbox 0.2.0 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] 900fa8b2ff7429ac762a1b06e13a0def6fd744e26e6c0c6de4c956599154baf3
[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" "900fa8b2ff7429ac762a1b06e13a0def6fd744e26e6c0c6de4c956599154baf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "900fa8b2ff7429ac762a1b06e13a0def6fd744e26e6c0c6de4c956599154baf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900fa8b2ff7429ac762a1b06e13a0def6fd744e26e6c0c6de4c956599154baf3", kill_on_drop: false }`
[INFO] [stdout] 900fa8b2ff7429ac762a1b06e13a0def6fd744e26e6c0c6de4c956599154baf3
[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] ced196ae4acdb413c192d46fa6cf0b4a8e5e2eab0a6b84a7fa66e67775b9bdbf
[INFO] running `Command { std: "docker" "start" "-a" "ced196ae4acdb413c192d46fa6cf0b4a8e5e2eab0a6b84a7fa66e67775b9bdbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting ia-sandbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ffi.rs:144:6
[INFO] [stdout]     |
[INFO] [stdout] 144 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:16:70
[INFO] [stdout]     |
[INFO] [stdout] 16  |     unused_qualifications, unused_results, variant_size_differences, warnings
[INFO] [stdout]     |                                                                      ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.00s
[INFO] running `Command { std: "docker" "inspect" "ced196ae4acdb413c192d46fa6cf0b4a8e5e2eab0a6b84a7fa66e67775b9bdbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced196ae4acdb413c192d46fa6cf0b4a8e5e2eab0a6b84a7fa66e67775b9bdbf", kill_on_drop: false }`
[INFO] [stdout] ced196ae4acdb413c192d46fa6cf0b4a8e5e2eab0a6b84a7fa66e67775b9bdbf
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4750a8fefa9991040ab5fff1cdf8d1b0d7bf7b5df69fb170cfa2971244d672f0
[INFO] running `Command { std: "docker" "start" "-a" "4750a8fefa9991040ab5fff1cdf8d1b0d7bf7b5df69fb170cfa2971244d672f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting ia-sandbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ffi.rs:144:6
[INFO] [stdout]     |
[INFO] [stdout] 144 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:16:70
[INFO] [stdout]     |
[INFO] [stdout] 16  |     unused_qualifications, unused_results, variant_size_differences, warnings
[INFO] [stdout]     |                                                                      ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[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 `ia-sandbox`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name ia_sandbox src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=6d6d69254496dfda -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-d68cdc1b300fd32a.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-cd4e71ea4389cdb0.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-9fa8d6e910419338.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-4d71df194c95b93b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-dbdb529db862b224.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-ba29cce5da625134.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9b5e22c1651a5e61.rmeta --extern-html-root-url 'bincode=https://docs.rs/bincode/1.3.3/' --extern-html-root-url 'clap=https://docs.rs/clap/2.34.0/' --extern-html-root-url 'failure=https://docs.rs/failure/0.1.8/' --extern-html-root-url 'libc=https://docs.rs/libc/0.2.126/' --extern-html-root-url 'serde=https://docs.rs/serde/1.0.137/' --extern-html-root-url 'serde_derive=https://docs.rs/serde_derive/1.0.137/' --extern-html-root-url 'serde_json=https://docs.rs/serde_json/1.0.81/' -Zunstable-options --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4750a8fefa9991040ab5fff1cdf8d1b0d7bf7b5df69fb170cfa2971244d672f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4750a8fefa9991040ab5fff1cdf8d1b0d7bf7b5df69fb170cfa2971244d672f0", kill_on_drop: false }`
[INFO] [stdout] 4750a8fefa9991040ab5fff1cdf8d1b0d7bf7b5df69fb170cfa2971244d672f0