[INFO] fetching crate libproxy 0.1.1...
[INFO] checking libproxy-0.1.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate libproxy 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libproxy 0.1.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libproxy 0.1.1
[INFO] finished tweaking crates.io crate libproxy 0.1.1
[INFO] tweaked toml for crates.io crate libproxy 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate libproxy 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1437c3e58ed1dd67cfa7a32d975c8293fbaa23d506045b4fb3a00d6a31748553
[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" "1437c3e58ed1dd67cfa7a32d975c8293fbaa23d506045b4fb3a00d6a31748553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1437c3e58ed1dd67cfa7a32d975c8293fbaa23d506045b4fb3a00d6a31748553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1437c3e58ed1dd67cfa7a32d975c8293fbaa23d506045b4fb3a00d6a31748553", kill_on_drop: false }`
[INFO] [stdout] 1437c3e58ed1dd67cfa7a32d975c8293fbaa23d506045b4fb3a00d6a31748553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6690647d9456ec78fa5b50d6c6105042a5d7e12d25930c446630595933db7fe7
[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" "6690647d9456ec78fa5b50d6c6105042a5d7e12d25930c446630595933db7fe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking libproxy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub mod error;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an enum
[INFO] [stdout]  --> src/error.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Error {
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub mod ffi;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub mod proxies;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "6690647d9456ec78fa5b50d6c6105042a5d7e12d25930c446630595933db7fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6690647d9456ec78fa5b50d6c6105042a5d7e12d25930c446630595933db7fe7", kill_on_drop: false }`
[INFO] [stdout] 6690647d9456ec78fa5b50d6c6105042a5d7e12d25930c446630595933db7fe7