[INFO] fetching crate serde_cose 0.1.4...
[INFO] documenting serde_cose-0.1.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate serde_cose 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_cose 0.1.4 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 serde_cose 0.1.4
[INFO] finished tweaking crates.io crate serde_cose 0.1.4
[INFO] tweaked toml for crates.io crate serde_cose 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate serde_cose 0.1.4 already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ded395aabbabcc873152b149f8a62756ca76912d48b3ced11d7b57f7d1aee8d1
[INFO] running `Command { std: "docker" "start" "-a" "ded395aabbabcc873152b149f8a62756ca76912d48b3ced11d7b57f7d1aee8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ded395aabbabcc873152b149f8a62756ca76912d48b3ced11d7b57f7d1aee8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded395aabbabcc873152b149f8a62756ca76912d48b3ced11d7b57f7d1aee8d1", kill_on_drop: false }`
[INFO] [stdout] ded395aabbabcc873152b149f8a62756ca76912d48b3ced11d7b57f7d1aee8d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b62a5783057905b5ffd9dfd0f9e72bdcca9fa0e62fa04b0775585671d97b4503
[INFO] running `Command { std: "docker" "start" "-a" "b62a5783057905b5ffd9dfd0f9e72bdcca9fa0e62fa04b0775585671d97b4503", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ed25519-zebra v2.2.0
[INFO] [stderr]  Documenting serde_cose v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.67s
[INFO] running `Command { std: "docker" "inspect" "b62a5783057905b5ffd9dfd0f9e72bdcca9fa0e62fa04b0775585671d97b4503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62a5783057905b5ffd9dfd0f9e72bdcca9fa0e62fa04b0775585671d97b4503", kill_on_drop: false }`
[INFO] [stdout] b62a5783057905b5ffd9dfd0f9e72bdcca9fa0e62fa04b0775585671d97b4503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c0ce6654f59b1cc5f8c6e2215d2341ca6b440f16c848e90e51696fdb3689a08e
[INFO] running `Command { std: "docker" "start" "-a" "c0ce6654f59b1cc5f8c6e2215d2341ca6b440f16c848e90e51696fdb3689a08e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking ed25519-zebra v2.2.0
[INFO] [stderr]  Documenting serde_cose v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.86s
[INFO] running `Command { std: "docker" "inspect" "c0ce6654f59b1cc5f8c6e2215d2341ca6b440f16c848e90e51696fdb3689a08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ce6654f59b1cc5f8c6e2215d2341ca6b440f16c848e90e51696fdb3689a08e", kill_on_drop: false }`
[INFO] [stdout] c0ce6654f59b1cc5f8c6e2215d2341ca6b440f16c848e90e51696fdb3689a08e