[INFO] fetching crate mio-serial 3.3.1...
[INFO] testing mio-serial-3.3.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate mio-serial 3.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mio-serial 3.3.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mio-serial 3.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mio-serial 3.3.1
[INFO] tweaked toml for crates.io crate mio-serial 3.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mio-serial 3.3.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "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] 9383cca39e4da40c0acbc877c04180a29d7836c827de7653d00d0c565c4c6690
[INFO] running `"docker" "start" "-a" "9383cca39e4da40c0acbc877c04180a29d7836c827de7653d00d0c565c4c6690"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling mio-serial v3.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.92s
[INFO] running `"docker" "inspect" "9383cca39e4da40c0acbc877c04180a29d7836c827de7653d00d0c565c4c6690"`
[INFO] running `"docker" "rm" "-f" "9383cca39e4da40c0acbc877c04180a29d7836c827de7653d00d0c565c4c6690"`
[INFO] [stdout] 9383cca39e4da40c0acbc877c04180a29d7836c827de7653d00d0c565c4c6690
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 505cbbaee090671527bc3f58c4a137dcd06cbeb6b9845ab6e652d2c8044fd5f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "505cbbaee090671527bc3f58c4a137dcd06cbeb6b9845ab6e652d2c8044fd5f7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mio-serial v3.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "505cbbaee090671527bc3f58c4a137dcd06cbeb6b9845ab6e652d2c8044fd5f7"`
[INFO] running `"docker" "rm" "-f" "505cbbaee090671527bc3f58c4a137dcd06cbeb6b9845ab6e652d2c8044fd5f7"`
[INFO] [stdout] 505cbbaee090671527bc3f58c4a137dcd06cbeb6b9845ab6e652d2c8044fd5f7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 902b8e6bab278cb1b320540d474e0df250c7927f14272b0b8a2ce001a3003c0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "902b8e6bab278cb1b320540d474e0df250c7927f14272b0b8a2ce001a3003c0d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mio_serial-4df5ada0154cdf3f
[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]      Running /opt/rustwide/target/debug/deps/test_unix-0a7bd7b7a422105d
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_from_path ... ignored
[INFO] [stdout] test test_from_serial ... ignored
[INFO] [stdout] test test_serial_pair ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mio-serial
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/unix.rs - unix::Serial::from_path (line 36) ... ignored
[INFO] [stdout] test src/unix.rs - unix::Serial::from_serial (line 58) ... ignored
[INFO] [stdout] test src/unix.rs - unix::Serial::pair (line 102) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "902b8e6bab278cb1b320540d474e0df250c7927f14272b0b8a2ce001a3003c0d"`
[INFO] running `"docker" "rm" "-f" "902b8e6bab278cb1b320540d474e0df250c7927f14272b0b8a2ce001a3003c0d"`
[INFO] [stdout] 902b8e6bab278cb1b320540d474e0df250c7927f14272b0b8a2ce001a3003c0d