[INFO] crate libaio 0.0.1 is already in cache
[INFO] testing libaio-0.0.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate libaio 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate libaio 0.0.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libaio 0.0.1
[INFO] finished tweaking crates.io crate libaio 0.0.1
[INFO] tweaked toml for crates.io crate libaio 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 64533f0cd1f2d6d16c370411e55b2ff0feb751914dd31c2071753e44f01d511b
[INFO] running `Command { std: "docker" "start" "-a" "64533f0cd1f2d6d16c370411e55b2ff0feb751914dd31c2071753e44f01d511b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64533f0cd1f2d6d16c370411e55b2ff0feb751914dd31c2071753e44f01d511b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64533f0cd1f2d6d16c370411e55b2ff0feb751914dd31c2071753e44f01d511b", kill_on_drop: false }`
[INFO] [stdout] 64533f0cd1f2d6d16c370411e55b2ff0feb751914dd31c2071753e44f01d511b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dca6f5241e689987eaf254f55e84fb53b31afca29a940ac9b8860564e5818594
[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" "dca6f5241e689987eaf254f55e84fb53b31afca29a940ac9b8860564e5818594", kill_on_drop: false }`
[INFO] [stderr]    Compiling eventfd v0.1.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eventfd-0.1.0/src/lib.rs:57:62
[INFO] [stdout]    |
[INFO] [stdout] 57 |             libc::read(self.fd as c_int, ptr as *mut c_void, std::mem::size_of_val(&ret) as u64)
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `u64`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert an `u64` to `usize` and panic if the converted value wouldn't fit
[INFO] [stdout]    |
[INFO] [stdout] 57 |             libc::read(self.fd as c_int, ptr as *mut c_void, (std::mem::size_of_val(&ret) as u64).try_into().unwrap())
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eventfd-0.1.0/src/lib.rs:71:65
[INFO] [stdout]    |
[INFO] [stdout] 71 |             libc::write(self.fd as c_int, ptr as *const c_void, std::mem::size_of_val(&val) as u64)
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `usize`, found `u64`
[INFO] [stdout]    |
[INFO] [stdout] help: you can convert an `u64` to `usize` and panic if the converted value wouldn't fit
[INFO] [stdout]    |
[INFO] [stdout] 71 |             libc::write(self.fd as c_int, ptr as *const c_void, (std::mem::size_of_val(&val) as u64).try_into().unwrap())
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eventfd`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "dca6f5241e689987eaf254f55e84fb53b31afca29a940ac9b8860564e5818594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca6f5241e689987eaf254f55e84fb53b31afca29a940ac9b8860564e5818594", kill_on_drop: false }`
[INFO] [stdout] dca6f5241e689987eaf254f55e84fb53b31afca29a940ac9b8860564e5818594