[INFO] fetching crate ex_merge_sort 0.4.0...
[INFO] documenting ex_merge_sort-0.4.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ex_merge_sort 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ex_merge_sort 0.4.0 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 ex_merge_sort 0.4.0
[INFO] finished tweaking crates.io crate ex_merge_sort 0.4.0
[INFO] tweaked toml for crates.io crate ex_merge_sort 0.4.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] afe9eb67677dd28eb068a0af7597670b400196cf2f7ea26895517102a107b15e
[INFO] running `Command { std: "docker" "start" "-a" "afe9eb67677dd28eb068a0af7597670b400196cf2f7ea26895517102a107b15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afe9eb67677dd28eb068a0af7597670b400196cf2f7ea26895517102a107b15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe9eb67677dd28eb068a0af7597670b400196cf2f7ea26895517102a107b15e", kill_on_drop: false }`
[INFO] [stdout] afe9eb67677dd28eb068a0af7597670b400196cf2f7ea26895517102a107b15e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 28ca734e093805c19751ae0063bbcebb4583ac487d075cb536ef296f558fb156
[INFO] running `Command { std: "docker" "start" "-a" "28ca734e093805c19751ae0063bbcebb4583ac487d075cb536ef296f558fb156", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]  Documenting ex_merge_sort v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "28ca734e093805c19751ae0063bbcebb4583ac487d075cb536ef296f558fb156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ca734e093805c19751ae0063bbcebb4583ac487d075cb536ef296f558fb156", kill_on_drop: false }`
[INFO] [stdout] 28ca734e093805c19751ae0063bbcebb4583ac487d075cb536ef296f558fb156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 67d32b3d562bb1a9057e2882292f8c15c6963e3589a0f9b0b12787fe705578ba
[INFO] running `Command { std: "docker" "start" "-a" "67d32b3d562bb1a9057e2882292f8c15c6963e3589a0f9b0b12787fe705578ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]  Documenting ex_merge_sort v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "67d32b3d562bb1a9057e2882292f8c15c6963e3589a0f9b0b12787fe705578ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d32b3d562bb1a9057e2882292f8c15c6963e3589a0f9b0b12787fe705578ba", kill_on_drop: false }`
[INFO] [stdout] 67d32b3d562bb1a9057e2882292f8c15c6963e3589a0f9b0b12787fe705578ba