[INFO] fetching crate libuv 2.2.0...
[INFO] testing libuv-2.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate libuv 2.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libuv 2.2.0 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 libuv 2.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libuv 2.2.0
[INFO] tweaked toml for crates.io crate libuv 2.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate libuv 2.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] a370e0938bbaecd64a498501f2e178b6970473be9af3ff1661c0917a6e719d1c
[INFO] running `Command { std: "docker" "start" "-a" "a370e0938bbaecd64a498501f2e178b6970473be9af3ff1661c0917a6e719d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a370e0938bbaecd64a498501f2e178b6970473be9af3ff1661c0917a6e719d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a370e0938bbaecd64a498501f2e178b6970473be9af3ff1661c0917a6e719d1c", kill_on_drop: false }`
[INFO] [stdout] a370e0938bbaecd64a498501f2e178b6970473be9af3ff1661c0917a6e719d1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 67a29f9f3848ad31fd3c5dbda0e40e1cb5636cb7d65ee185385cd9506b723ead
[INFO] running `Command { std: "docker" "start" "-a" "67a29f9f3848ad31fd3c5dbda0e40e1cb5636cb7d65ee185385cd9506b723ead", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling libuv-sys2 v1.41.0
[INFO] [stderr]    Compiling libuv v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.11s
[INFO] running `Command { std: "docker" "inspect" "67a29f9f3848ad31fd3c5dbda0e40e1cb5636cb7d65ee185385cd9506b723ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a29f9f3848ad31fd3c5dbda0e40e1cb5636cb7d65ee185385cd9506b723ead", kill_on_drop: false }`
[INFO] [stdout] 67a29f9f3848ad31fd3c5dbda0e40e1cb5636cb7d65ee185385cd9506b723ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] bcbe6422c158659966438f67d289799fb0060f12e7487a6f05426dff10b77f07
[INFO] running `Command { std: "docker" "start" "-a" "bcbe6422c158659966438f67d289799fb0060f12e7487a6f05426dff10b77f07", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "bcbe6422c158659966438f67d289799fb0060f12e7487a6f05426dff10b77f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbe6422c158659966438f67d289799fb0060f12e7487a6f05426dff10b77f07", kill_on_drop: false }`
[INFO] [stdout] bcbe6422c158659966438f67d289799fb0060f12e7487a6f05426dff10b77f07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] cdebc01c14d7eab509cf331154e6af40fa961d0ed12006204b79af2316c152c4
[INFO] running `Command { std: "docker" "start" "-a" "cdebc01c14d7eab509cf331154e6af40fa961d0ed12006204b79af2316c152c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libuv-1a2219e5082dd3de)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests libuv
[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] [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] running `Command { std: "docker" "inspect" "cdebc01c14d7eab509cf331154e6af40fa961d0ed12006204b79af2316c152c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdebc01c14d7eab509cf331154e6af40fa961d0ed12006204b79af2316c152c4", kill_on_drop: false }`
[INFO] [stdout] cdebc01c14d7eab509cf331154e6af40fa961d0ed12006204b79af2316c152c4