[INFO] updating cached repository https://github.com/yodang/irs
[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] 6a3d624d3fb1a4ed3db559970d368c23f2c7da1b
[INFO] documenting yodang/irs against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyodang%2Firs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yodang/irs 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/yodang/irs
[INFO] finished tweaking git repo https://github.com/yodang/irs
[INFO] tweaked toml for git repo https://github.com/yodang/irs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/yodang/irs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a1d89f49464d3e6e2f22270952e246513dac856f03cdd1705792df41bb0270e9
[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" "a1d89f49464d3e6e2f22270952e246513dac856f03cdd1705792df41bb0270e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d89f49464d3e6e2f22270952e246513dac856f03cdd1705792df41bb0270e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d89f49464d3e6e2f22270952e246513dac856f03cdd1705792df41bb0270e9", kill_on_drop: false }`
[INFO] [stdout] a1d89f49464d3e6e2f22270952e246513dac856f03cdd1705792df41bb0270e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6eccdba8231b5a557a833d5c06223b412d77278deee6d504565318c1645aaddf
[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" "6eccdba8231b5a557a833d5c06223b412d77278deee6d504565318c1645aaddf", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking reexport-proc-macro v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking serde v1.0.55
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking enumset v0.3.3
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]    Compiling ncurses v5.91.0
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking resolve v0.2.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling enum-map-derive v0.2.5
[INFO] [stderr]     Checking enum-map v0.2.29
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking cursive v0.8.1
[INFO] [stderr]  Documenting irs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.24s
[INFO] running `Command { std: "docker" "inspect" "6eccdba8231b5a557a833d5c06223b412d77278deee6d504565318c1645aaddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eccdba8231b5a557a833d5c06223b412d77278deee6d504565318c1645aaddf", kill_on_drop: false }`
[INFO] [stdout] 6eccdba8231b5a557a833d5c06223b412d77278deee6d504565318c1645aaddf