[INFO] crate fdlimit 0.1.4 is already in cache
[INFO] testing fdlimit-0.1.4 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate fdlimit 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fdlimit 0.1.4 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fdlimit 0.1.4
[INFO] finished tweaking crates.io crate fdlimit 0.1.4
[INFO] tweaked toml for crates.io crate fdlimit 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c58d5a0046b9d36e335dcae1683dc2146e8c9fa6c32274888dd2ff9c8b2ef1f
[INFO] running `"docker" "start" "-a" "3c58d5a0046b9d36e335dcae1683dc2146e8c9fa6c32274888dd2ff9c8b2ef1f"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling fdlimit v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 69 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `"docker" "inspect" "3c58d5a0046b9d36e335dcae1683dc2146e8c9fa6c32274888dd2ff9c8b2ef1f"`
[INFO] running `"docker" "rm" "-f" "3c58d5a0046b9d36e335dcae1683dc2146e8c9fa6c32274888dd2ff9c8b2ef1f"`
[INFO] [stdout] 3c58d5a0046b9d36e335dcae1683dc2146e8c9fa6c32274888dd2ff9c8b2ef1f
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2078e4b4e433cfd53d80f124c67df8241ba81c7e8f36dfe68166ad3da7c7b93b
[INFO] running `"docker" "start" "-a" "2078e4b4e433cfd53d80f124c67df8241ba81c7e8f36dfe68166ad3da7c7b93b"`
[INFO] [stderr]    Compiling fdlimit v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 69 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 69 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "2078e4b4e433cfd53d80f124c67df8241ba81c7e8f36dfe68166ad3da7c7b93b"`
[INFO] running `"docker" "rm" "-f" "2078e4b4e433cfd53d80f124c67df8241ba81c7e8f36dfe68166ad3da7c7b93b"`
[INFO] [stdout] 2078e4b4e433cfd53d80f124c67df8241ba81c7e8f36dfe68166ad3da7c7b93b
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5b352902386bcf65b561136b109b57594da00a626393bd1cc7a5df07af86b31
[INFO] running `"docker" "start" "-a" "f5b352902386bcf65b561136b109b57594da00a626393bd1cc7a5df07af86b31"`
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 69 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:69:6
[INFO] [stderr]    |
[INFO] [stderr] 15 | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 69 |     use libc;
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fdlimit-db3588f62e417270
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fdlimit
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f5b352902386bcf65b561136b109b57594da00a626393bd1cc7a5df07af86b31"`
[INFO] running `"docker" "rm" "-f" "f5b352902386bcf65b561136b109b57594da00a626393bd1cc7a5df07af86b31"`
[INFO] [stdout] f5b352902386bcf65b561136b109b57594da00a626393bd1cc7a5df07af86b31