[INFO] fetching crate fdpass 0.1.0...
[INFO] checking fdpass-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate fdpass 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fdpass 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd v0.2.3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a2920862623b6cab1b84b0cbc37966ad066a5feda3d84cad4873687a9e46594
[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" "5a2920862623b6cab1b84b0cbc37966ad066a5feda3d84cad4873687a9e46594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2920862623b6cab1b84b0cbc37966ad066a5feda3d84cad4873687a9e46594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2920862623b6cab1b84b0cbc37966ad066a5feda3d84cad4873687a9e46594", kill_on_drop: false }`
[INFO] [stdout] 5a2920862623b6cab1b84b0cbc37966ad066a5feda3d84cad4873687a9e46594
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b28cfb3abbb260d865d097cf28be13f1f88b7e9ca2fcab346c43182654040a8a
[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" "b28cfb3abbb260d865d097cf28be13f1f88b7e9ca2fcab346c43182654040a8a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 1.35s
[INFO] running `Command { std: "docker" "inspect" "b28cfb3abbb260d865d097cf28be13f1f88b7e9ca2fcab346c43182654040a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28cfb3abbb260d865d097cf28be13f1f88b7e9ca2fcab346c43182654040a8a", kill_on_drop: false }`
[INFO] [stdout] b28cfb3abbb260d865d097cf28be13f1f88b7e9ca2fcab346c43182654040a8a