[INFO] fetching crate libuv 2.0.0...
[INFO] testing libuv-2.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libuv 2.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate libuv 2.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libuv 2.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libuv 2.0.0
[INFO] tweaked toml for crates.io crate libuv 2.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate libuv 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcb7772a6f89090a3fb30bb0f5337bdbdbedca25f7c75618e541745ca10292e4
[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" "bcb7772a6f89090a3fb30bb0f5337bdbdbedca25f7c75618e541745ca10292e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcb7772a6f89090a3fb30bb0f5337bdbdbedca25f7c75618e541745ca10292e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb7772a6f89090a3fb30bb0f5337bdbdbedca25f7c75618e541745ca10292e4", kill_on_drop: false }`
[INFO] [stdout] bcb7772a6f89090a3fb30bb0f5337bdbdbedca25f7c75618e541745ca10292e4
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0e560faf360053ecc529d170820ed38fd76d95f35b6a4bba1e0c9f7c36874c
[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" "8e0e560faf360053ecc529d170820ed38fd76d95f35b6a4bba1e0c9f7c36874c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling libuv-sys2 v1.40.0
[INFO] [stderr]    Compiling libuv v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.52s
[INFO] running `Command { std: "docker" "inspect" "8e0e560faf360053ecc529d170820ed38fd76d95f35b6a4bba1e0c9f7c36874c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0e560faf360053ecc529d170820ed38fd76d95f35b6a4bba1e0c9f7c36874c", kill_on_drop: false }`
[INFO] [stdout] 8e0e560faf360053ecc529d170820ed38fd76d95f35b6a4bba1e0c9f7c36874c
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16413ad7c041791c25dee5d70e9438ec38a47d31a58f97c5e37cea71b20d2731
[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" "16413ad7c041791c25dee5d70e9438ec38a47d31a58f97c5e37cea71b20d2731", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling libuv v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.70s
[INFO] running `Command { std: "docker" "inspect" "16413ad7c041791c25dee5d70e9438ec38a47d31a58f97c5e37cea71b20d2731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16413ad7c041791c25dee5d70e9438ec38a47d31a58f97c5e37cea71b20d2731", kill_on_drop: false }`
[INFO] [stdout] 16413ad7c041791c25dee5d70e9438ec38a47d31a58f97c5e37cea71b20d2731
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b49b5312c3192de48120621eb3e2c9a2a0b6b4124280173144b2d6b687a8e349
[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" "b49b5312c3192de48120621eb3e2c9a2a0b6b4124280173144b2d6b687a8e349", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libuv-1ce79cf8e49334d3
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libuv
[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] [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 `Command { std: "docker" "inspect" "b49b5312c3192de48120621eb3e2c9a2a0b6b4124280173144b2d6b687a8e349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49b5312c3192de48120621eb3e2c9a2a0b6b4124280173144b2d6b687a8e349", kill_on_drop: false }`
[INFO] [stdout] b49b5312c3192de48120621eb3e2c9a2a0b6b4124280173144b2d6b687a8e349