[INFO] updating cached repository https://github.com/samphippen/decachedmem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a177dc1571d16cad5853440a83846edb9a3672e
[INFO] documenting samphippen/decachedmem against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamphippen%2Fdecachedmem" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samphippen/decachedmem on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samphippen/decachedmem
[INFO] finished tweaking git repo https://github.com/samphippen/decachedmem
[INFO] tweaked toml for git repo https://github.com/samphippen/decachedmem written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/samphippen/decachedmem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb52d124329d513ab5c87d4b7f6cb53e3f02258a62afbe9a9d2aaac68b783051
[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" "fb52d124329d513ab5c87d4b7f6cb53e3f02258a62afbe9a9d2aaac68b783051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb52d124329d513ab5c87d4b7f6cb53e3f02258a62afbe9a9d2aaac68b783051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb52d124329d513ab5c87d4b7f6cb53e3f02258a62afbe9a9d2aaac68b783051", kill_on_drop: false }`
[INFO] [stdout] fb52d124329d513ab5c87d4b7f6cb53e3f02258a62afbe9a9d2aaac68b783051
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39a83def2ecb54997d7cad5ccef7c4493d6164285494fb3dfa3f3d9665915ef5
[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" "39a83def2ecb54997d7cad5ccef7c4493d6164285494fb3dfa3f3d9665915ef5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.5
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking futures v0.1.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking regex v0.1.77
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking mio v0.6.0
[INFO] [stderr]     Checking tokio-core v0.1.0 (https://github.com/tokio-rs/tokio-core/#418a9735)
[INFO] [stderr]  Documenting decachedmem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "39a83def2ecb54997d7cad5ccef7c4493d6164285494fb3dfa3f3d9665915ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a83def2ecb54997d7cad5ccef7c4493d6164285494fb3dfa3f3d9665915ef5", kill_on_drop: false }`
[INFO] [stdout] 39a83def2ecb54997d7cad5ccef7c4493d6164285494fb3dfa3f3d9665915ef5