[INFO] fetching crate net2 0.2.37...
[INFO] testing net2-0.2.37 against 1.55.0 for beta-1.56-1
[INFO] extracting crate net2 0.2.37 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate net2 0.2.37 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate net2 0.2.37
[INFO] finished tweaking crates.io crate net2 0.2.37
[INFO] tweaked toml for crates.io crate net2 0.2.37 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 648be77938434f9203acb3bfac640d97bce44313406d8c76551c54b818d4a4b7
[INFO] running `Command { std: "docker" "start" "-a" "648be77938434f9203acb3bfac640d97bce44313406d8c76551c54b818d4a4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "648be77938434f9203acb3bfac640d97bce44313406d8c76551c54b818d4a4b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648be77938434f9203acb3bfac640d97bce44313406d8c76551c54b818d4a4b7", kill_on_drop: false }`
[INFO] [stdout] 648be77938434f9203acb3bfac640d97bce44313406d8c76551c54b818d4a4b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58881cf3b30766f858e29deeeb2427c698229a69d11119e70dc02f3608e534c5
[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" "58881cf3b30766f858e29deeeb2427c698229a69d11119e70dc02f3608e534c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling net2 v0.2.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "58881cf3b30766f858e29deeeb2427c698229a69d11119e70dc02f3608e534c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58881cf3b30766f858e29deeeb2427c698229a69d11119e70dc02f3608e534c5", kill_on_drop: false }`
[INFO] [stdout] 58881cf3b30766f858e29deeeb2427c698229a69d11119e70dc02f3608e534c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 6aee10782c2b2fb698bbcaa66b57ab6b45de0f5794353f9787e4605fb3f54422
[INFO] running `Command { std: "docker" "start" "-a" "6aee10782c2b2fb698bbcaa66b57ab6b45de0f5794353f9787e4605fb3f54422", kill_on_drop: false }`
[INFO] [stderr]    Compiling net2 v0.2.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "6aee10782c2b2fb698bbcaa66b57ab6b45de0f5794353f9787e4605fb3f54422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aee10782c2b2fb698bbcaa66b57ab6b45de0f5794353f9787e4605fb3f54422", kill_on_drop: false }`
[INFO] [stdout] 6aee10782c2b2fb698bbcaa66b57ab6b45de0f5794353f9787e4605fb3f54422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d9b7fac06cc8e7077302b0dac4ec0f2f6632e2b6ad5bac1df03193b7fe233f2
[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" "6d9b7fac06cc8e7077302b0dac4ec0f2f6632e2b6ad5bac1df03193b7fe233f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/net2-30d2a47984ff5c38)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests net2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 27) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d9b7fac06cc8e7077302b0dac4ec0f2f6632e2b6ad5bac1df03193b7fe233f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9b7fac06cc8e7077302b0dac4ec0f2f6632e2b6ad5bac1df03193b7fe233f2", kill_on_drop: false }`
[INFO] [stdout] 6d9b7fac06cc8e7077302b0dac4ec0f2f6632e2b6ad5bac1df03193b7fe233f2