[INFO] fetching crate seamless 0.10.0...
[INFO] documenting seamless-0.10.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate seamless 0.10.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate seamless 0.10.0 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 seamless 0.10.0
[INFO] finished tweaking crates.io crate seamless 0.10.0
[INFO] tweaked toml for crates.io crate seamless 0.10.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate seamless 0.10.0 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] baef9bbd0e06ae3f22d3182f6d5c13c53ca16099db3f98728b96af6e059d7534
[INFO] running `Command { std: "docker" "start" "-a" "baef9bbd0e06ae3f22d3182f6d5c13c53ca16099db3f98728b96af6e059d7534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baef9bbd0e06ae3f22d3182f6d5c13c53ca16099db3f98728b96af6e059d7534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baef9bbd0e06ae3f22d3182f6d5c13c53ca16099db3f98728b96af6e059d7534", kill_on_drop: false }`
[INFO] [stdout] baef9bbd0e06ae3f22d3182f6d5c13c53ca16099db3f98728b96af6e059d7534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 750a719b7845ac964285eb55b15bbad7564afd169cd160ad51c003116e6a1ce4
[INFO] running `Command { std: "docker" "start" "-a" "750a719b7845ac964285eb55b15bbad7564afd169cd160ad51c003116e6a1ce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling seamless_macros v0.10.0
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]  Documenting seamless v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "750a719b7845ac964285eb55b15bbad7564afd169cd160ad51c003116e6a1ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750a719b7845ac964285eb55b15bbad7564afd169cd160ad51c003116e6a1ce4", kill_on_drop: false }`
[INFO] [stdout] 750a719b7845ac964285eb55b15bbad7564afd169cd160ad51c003116e6a1ce4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8837f514e2b823ecbd8873b20cfbfec235aaae89b0aa20aa0545e07571316040
[INFO] running `Command { std: "docker" "start" "-a" "8837f514e2b823ecbd8873b20cfbfec235aaae89b0aa20aa0545e07571316040", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling seamless_macros v0.10.0
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]  Documenting seamless v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "8837f514e2b823ecbd8873b20cfbfec235aaae89b0aa20aa0545e07571316040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8837f514e2b823ecbd8873b20cfbfec235aaae89b0aa20aa0545e07571316040", kill_on_drop: false }`
[INFO] [stdout] 8837f514e2b823ecbd8873b20cfbfec235aaae89b0aa20aa0545e07571316040