[INFO] cloning repository https://github.com/djc/macos-recvtos-fail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djc/macos-recvtos-fail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjc%2Fmacos-recvtos-fail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjc%2Fmacos-recvtos-fail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e36c11436ea4877ce404a36688072fa3382caf76
[INFO] testing djc/macos-recvtos-fail against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjc%2Fmacos-recvtos-fail" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djc/macos-recvtos-fail 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 git repo https://github.com/djc/macos-recvtos-fail
[INFO] finished tweaking git repo https://github.com/djc/macos-recvtos-fail
[INFO] tweaked toml for git repo https://github.com/djc/macos-recvtos-fail written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/djc/macos-recvtos-fail 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a4ea0e2dbbad2892f2c29f8cae48805d19924ebb05fd8a8645558e1b8c9e4669
[INFO] running `Command { std: "docker" "start" "-a" "a4ea0e2dbbad2892f2c29f8cae48805d19924ebb05fd8a8645558e1b8c9e4669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4ea0e2dbbad2892f2c29f8cae48805d19924ebb05fd8a8645558e1b8c9e4669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ea0e2dbbad2892f2c29f8cae48805d19924ebb05fd8a8645558e1b8c9e4669", kill_on_drop: false }`
[INFO] [stdout] a4ea0e2dbbad2892f2c29f8cae48805d19924ebb05fd8a8645558e1b8c9e4669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5fb53e24baa37d73a722c89e27f3d18c75ebb1e2a437bf97fd726758f541b195
[INFO] running `Command { std: "docker" "start" "-a" "5fb53e24baa37d73a722c89e27f3d18c75ebb1e2a437bf97fd726758f541b195", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling macos-rcvtos-fail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "5fb53e24baa37d73a722c89e27f3d18c75ebb1e2a437bf97fd726758f541b195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb53e24baa37d73a722c89e27f3d18c75ebb1e2a437bf97fd726758f541b195", kill_on_drop: false }`
[INFO] [stdout] 5fb53e24baa37d73a722c89e27f3d18c75ebb1e2a437bf97fd726758f541b195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f9bfe927ea1804a5e9b9654455a230a2909bf9fcc54cd18bd189745c06679173
[INFO] running `Command { std: "docker" "start" "-a" "f9bfe927ea1804a5e9b9654455a230a2909bf9fcc54cd18bd189745c06679173", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling macos-rcvtos-fail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "f9bfe927ea1804a5e9b9654455a230a2909bf9fcc54cd18bd189745c06679173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bfe927ea1804a5e9b9654455a230a2909bf9fcc54cd18bd189745c06679173", kill_on_drop: false }`
[INFO] [stdout] f9bfe927ea1804a5e9b9654455a230a2909bf9fcc54cd18bd189745c06679173
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7f6ccfe356207e209a6c2362d90a0e79e29982d21d683178b1efafe6566a1dcd
[INFO] running `Command { std: "docker" "start" "-a" "7f6ccfe356207e209a6c2362d90a0e79e29982d21d683178b1efafe6566a1dcd", 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/macos_rcvtos_fail-9de004ce42156b58)
[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" "7f6ccfe356207e209a6c2362d90a0e79e29982d21d683178b1efafe6566a1dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6ccfe356207e209a6c2362d90a0e79e29982d21d683178b1efafe6566a1dcd", kill_on_drop: false }`
[INFO] [stdout] 7f6ccfe356207e209a6c2362d90a0e79e29982d21d683178b1efafe6566a1dcd