[INFO] cloning repository https://github.com/john-kolpakov-x/rust_probe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/john-kolpakov-x/rust_probe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn-kolpakov-x%2Frust_probe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn-kolpakov-x%2Frust_probe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a0e60a5ffa90e687b9994b10a123c70b22935bf
[INFO] documenting john-kolpakov-x/rust_probe against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn-kolpakov-x%2Frust_probe" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/john-kolpakov-x/rust_probe on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/john-kolpakov-x/rust_probe
[INFO] finished tweaking git repo https://github.com/john-kolpakov-x/rust_probe
[INFO] tweaked toml for git repo https://github.com/john-kolpakov-x/rust_probe written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/john-kolpakov-x/rust_probe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7935d5e265d9d272a0414986381d4d7ea3daff84c558af31d8bfcc2db8b5210
[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" "e7935d5e265d9d272a0414986381d4d7ea3daff84c558af31d8bfcc2db8b5210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7935d5e265d9d272a0414986381d4d7ea3daff84c558af31d8bfcc2db8b5210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7935d5e265d9d272a0414986381d4d7ea3daff84c558af31d8bfcc2db8b5210", kill_on_drop: false }`
[INFO] [stdout] e7935d5e265d9d272a0414986381d4d7ea3daff84c558af31d8bfcc2db8b5210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] 1d8ee4aa6db5b3ee8445f0af11b1908a8c2f0296a0f7672e76f5b911474dbcc3
[INFO] running `Command { std: "docker" "start" "-a" "1d8ee4aa6db5b3ee8445f0af11b1908a8c2f0296a0f7672e76f5b911474dbcc3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]    Compiling openssl-sys v0.9.48
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking socket2 v0.3.9
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]  Documenting rust_probe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.40s
[INFO] running `Command { std: "docker" "inspect" "1d8ee4aa6db5b3ee8445f0af11b1908a8c2f0296a0f7672e76f5b911474dbcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8ee4aa6db5b3ee8445f0af11b1908a8c2f0296a0f7672e76f5b911474dbcc3", kill_on_drop: false }`
[INFO] [stdout] 1d8ee4aa6db5b3ee8445f0af11b1908a8c2f0296a0f7672e76f5b911474dbcc3