[INFO] fetching crate rustdoc-stripper 0.1.16...
[INFO] checking rustdoc-stripper-0.1.16 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate rustdoc-stripper 0.1.16 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rustdoc-stripper 0.1.16 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustdoc-stripper 0.1.16
[INFO] finished tweaking crates.io crate rustdoc-stripper 0.1.16
[INFO] tweaked toml for crates.io crate rustdoc-stripper 0.1.16 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rustdoc-stripper 0.1.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e94cd914386ad0d3deefb1ba70fc2820c1a3ef76695eaa103d8ca7582cbca03
[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" "5e94cd914386ad0d3deefb1ba70fc2820c1a3ef76695eaa103d8ca7582cbca03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e94cd914386ad0d3deefb1ba70fc2820c1a3ef76695eaa103d8ca7582cbca03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e94cd914386ad0d3deefb1ba70fc2820c1a3ef76695eaa103d8ca7582cbca03", kill_on_drop: false }`
[INFO] [stdout] 5e94cd914386ad0d3deefb1ba70fc2820c1a3ef76695eaa103d8ca7582cbca03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 439bd4374f852b7b819957192699863be79c34f192f928544fb63a62ca89c74d
[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" "439bd4374f852b7b819957192699863be79c34f192f928544fb63a62ca89c74d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking rustdoc-stripper v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `Command { std: "docker" "inspect" "439bd4374f852b7b819957192699863be79c34f192f928544fb63a62ca89c74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "439bd4374f852b7b819957192699863be79c34f192f928544fb63a62ca89c74d", kill_on_drop: false }`
[INFO] [stdout] 439bd4374f852b7b819957192699863be79c34f192f928544fb63a62ca89c74d