[INFO] fetching crate suan 0.0.3...
[INFO] documenting suan-0.0.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate suan 0.0.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate suan 0.0.3 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate suan 0.0.3
[INFO] finished tweaking crates.io crate suan 0.0.3
[INFO] tweaked toml for crates.io crate suan 0.0.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate suan 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-modular v0.1.1
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.0
[INFO] [stderr]   Downloaded num-prime v0.3.0-alpha
[INFO] [stderr]   Downloaded num-modular v0.0.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.0
[INFO] [stderr]   Downloaded wyz v0.4.0
[INFO] [stderr]   Downloaded num-irrational v0.2.0-alpha
[INFO] [stderr]   Downloaded bitvec v0.22.3
[INFO] [stderr]   Downloaded suan-core v0.0.3
[INFO] [stderr]   Downloaded pyo3-macros v0.16.0
[INFO] [stderr]   Downloaded pyo3 v0.16.0
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c879f3d8cd85feebc462c00a672ea89ab6b11cec2282f7b5a5c093bede08b90
[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" "6c879f3d8cd85feebc462c00a672ea89ab6b11cec2282f7b5a5c093bede08b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c879f3d8cd85feebc462c00a672ea89ab6b11cec2282f7b5a5c093bede08b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c879f3d8cd85feebc462c00a672ea89ab6b11cec2282f7b5a5c093bede08b90", kill_on_drop: false }`
[INFO] [stdout] 6c879f3d8cd85feebc462c00a672ea89ab6b11cec2282f7b5a5c093bede08b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6cae1a15b6dee4af21445178b3f67ef4963f5d6456bee9b2c1d7539f82081f3
[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" "f6cae1a15b6dee4af21445178b3f67ef4963f5d6456bee9b2c1d7539f82081f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pyo3-build-config v0.16.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling indoc v1.0.4
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3-ffi v0.16.0
[INFO] [stderr]    Compiling pyo3 v0.16.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking lru v0.7.3
[INFO] [stderr]     Checking num-modular v0.1.1
[INFO] [stderr]     Checking num-modular v0.0.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.0
[INFO] [stderr]     Checking num-prime v0.3.0-alpha
[INFO] [stderr]     Checking num-irrational v0.2.0-alpha
[INFO] [stderr]    Compiling pyo3-macros v0.16.0
[INFO] [stderr]     Checking suan-core v0.0.3
[INFO] [stderr]  Documenting suan v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "f6cae1a15b6dee4af21445178b3f67ef4963f5d6456bee9b2c1d7539f82081f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6cae1a15b6dee4af21445178b3f67ef4963f5d6456bee9b2c1d7539f82081f3", kill_on_drop: false }`
[INFO] [stdout] f6cae1a15b6dee4af21445178b3f67ef4963f5d6456bee9b2c1d7539f82081f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 496908bb47a022f210d737bbbee9be55d2ca4639bf587e0c0f1d526db7d66927
[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" "496908bb47a022f210d737bbbee9be55d2ca4639bf587e0c0f1d526db7d66927", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pyo3-build-config v0.16.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]    Compiling unindent v0.1.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]    Compiling indoc v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3-ffi v0.16.0
[INFO] [stderr]    Compiling pyo3 v0.16.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking lru v0.7.3
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num-modular v0.1.1
[INFO] [stderr]     Checking num-modular v0.0.2
[INFO] [stderr]     Checking num-prime v0.3.0-alpha
[INFO] [stderr]     Checking num-irrational v0.2.0-alpha
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.0
[INFO] [stderr]    Compiling pyo3-macros v0.16.0
[INFO] [stderr]     Checking suan-core v0.0.3
[INFO] [stderr]  Documenting suan v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "496908bb47a022f210d737bbbee9be55d2ca4639bf587e0c0f1d526db7d66927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496908bb47a022f210d737bbbee9be55d2ca4639bf587e0c0f1d526db7d66927", kill_on_drop: false }`
[INFO] [stdout] 496908bb47a022f210d737bbbee9be55d2ca4639bf587e0c0f1d526db7d66927