[INFO] fetching crate fdpass 0.1.0...
[INFO] checking fdpass-0.1.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate fdpass 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fdpass 0.1.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fdpass 0.1.0
[INFO] finished tweaking crates.io crate fdpass 0.1.0
[INFO] tweaked toml for crates.io crate fdpass 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71cf29155546afd3ceac809833e82246c998ed49dc4450ebec213262d79851aa
[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" "71cf29155546afd3ceac809833e82246c998ed49dc4450ebec213262d79851aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71cf29155546afd3ceac809833e82246c998ed49dc4450ebec213262d79851aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71cf29155546afd3ceac809833e82246c998ed49dc4450ebec213262d79851aa", kill_on_drop: false }`
[INFO] [stdout] 71cf29155546afd3ceac809833e82246c998ed49dc4450ebec213262d79851aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 387eae9d304a70194509b02ce37c449022e1698885d0684f42fa1b8e959eccd8
[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" "387eae9d304a70194509b02ce37c449022e1698885d0684f42fa1b8e959eccd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking fd v0.2.3
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking fdpass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ffi.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn recvmsg<T>(sockfd: &mut AsRawFd, iov_len: usize, mut cmsg_data: T) -> io::Result<(ssize_t, Vec<u8>, T)> {
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ffi.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn sendmsg<T>(sockfd: &mut AsRawFd, msg: &Msghdr<T>) -> io::Result<ssize_t> {
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:57
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn send_fd(stream: &mut UnixStream, id: &[u8], fd: &AsRawFd) -> io::Result<()> {
[INFO] [stdout]    |                                                         ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ffi.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub fn recvmsg<T>(sockfd: &mut AsRawFd, iov_len: usize, mut cmsg_data: T) -> io::Result<(ssize_t, Vec<u8>, T)> {
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ffi.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn sendmsg<T>(sockfd: &mut AsRawFd, msg: &Msghdr<T>) -> io::Result<ssize_t> {
[INFO] [stdout]     |                                ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:57
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn send_fd(stream: &mut UnixStream, id: &[u8], fd: &AsRawFd) -> io::Result<()> {
[INFO] [stdout]    |                                                         ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "387eae9d304a70194509b02ce37c449022e1698885d0684f42fa1b8e959eccd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387eae9d304a70194509b02ce37c449022e1698885d0684f42fa1b8e959eccd8", kill_on_drop: false }`
[INFO] [stdout] 387eae9d304a70194509b02ce37c449022e1698885d0684f42fa1b8e959eccd8