[INFO] fetching crate libc-nnsdk 0.0.1...
[INFO] checking libc-nnsdk-0.0.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate libc-nnsdk 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libc-nnsdk 0.0.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libc-nnsdk 0.0.1
[INFO] finished tweaking crates.io crate libc-nnsdk 0.0.1
[INFO] tweaked toml for crates.io crate libc-nnsdk 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0747f4aeef12de1d0108fbc183eeccdb206a04ecb3ce813bd278fe9416f24428
[INFO] running `Command { std: "docker" "start" "-a" "0747f4aeef12de1d0108fbc183eeccdb206a04ecb3ce813bd278fe9416f24428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0747f4aeef12de1d0108fbc183eeccdb206a04ecb3ce813bd278fe9416f24428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0747f4aeef12de1d0108fbc183eeccdb206a04ecb3ce813bd278fe9416f24428", kill_on_drop: false }`
[INFO] [stdout] 0747f4aeef12de1d0108fbc183eeccdb206a04ecb3ce813bd278fe9416f24428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7731d9ead535260391c68206d07a74c3f5a65db82ef2a45ea1cb8a8e87911859
[INFO] running `Command { std: "docker" "start" "-a" "7731d9ead535260391c68206d07a74c3f5a65db82ef2a45ea1cb8a8e87911859", kill_on_drop: false }`
[INFO] [stderr]     Checking libc-nnsdk v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `accept4` redeclares `nnsocketAccept` with a different signature
[INFO] [stdout]    --> src/lib.rs:600:5
[INFO] [stdout]     |
[INFO] [stdout] 594 | /     #[link_name = "nnsocketAccept"]
[INFO] [stdout] 595 | |     pub fn accept(
[INFO] [stdout] 596 | |         __fd: c_int,
[INFO] [stdout] 597 | |         __addr: *mut sockaddr,
[INFO] [stdout] 598 | |         __addr_len: *mut socklen_t,
[INFO] [stdout] 599 | |     ) -> c_int;
[INFO] [stdout]     | |_______________- `nnsocketAccept` previously declared here
[INFO] [stdout] 600 | /     #[link_name = "nnsocketAccept"]
[INFO] [stdout] 601 | |     pub fn accept4(
[INFO] [stdout] 602 | |         __fd: c_int,
[INFO] [stdout] 603 | |         __addr: *mut sockaddr,
[INFO] [stdout] 604 | |         __addr_len: *mut socklen_t,
[INFO] [stdout] 605 | |         __flags: c_int,
[INFO] [stdout] 606 | |     ) -> c_int;
[INFO] [stdout]     | |_______________^ this signature doesn't match the previous declaration
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(i32, *mut sockaddr, *mut u32) -> i32`
[INFO] [stdout]                found `unsafe extern "C" fn(i32, *mut sockaddr, *mut u32, i32) -> i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `accept4` redeclares `nnsocketAccept` with a different signature
[INFO] [stdout]    --> src/lib.rs:600:5
[INFO] [stdout]     |
[INFO] [stdout] 594 | /     #[link_name = "nnsocketAccept"]
[INFO] [stdout] 595 | |     pub fn accept(
[INFO] [stdout] 596 | |         __fd: c_int,
[INFO] [stdout] 597 | |         __addr: *mut sockaddr,
[INFO] [stdout] 598 | |         __addr_len: *mut socklen_t,
[INFO] [stdout] 599 | |     ) -> c_int;
[INFO] [stdout]     | |_______________- `nnsocketAccept` previously declared here
[INFO] [stdout] 600 | /     #[link_name = "nnsocketAccept"]
[INFO] [stdout] 601 | |     pub fn accept4(
[INFO] [stdout] 602 | |         __fd: c_int,
[INFO] [stdout] 603 | |         __addr: *mut sockaddr,
[INFO] [stdout] 604 | |         __addr_len: *mut socklen_t,
[INFO] [stdout] 605 | |         __flags: c_int,
[INFO] [stdout] 606 | |     ) -> c_int;
[INFO] [stdout]     | |_______________^ this signature doesn't match the previous declaration
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(i32, *mut sockaddr, *mut u32) -> i32`
[INFO] [stdout]                found `unsafe extern "C" fn(i32, *mut sockaddr, *mut u32, i32) -> i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "7731d9ead535260391c68206d07a74c3f5a65db82ef2a45ea1cb8a8e87911859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7731d9ead535260391c68206d07a74c3f5a65db82ef2a45ea1cb8a8e87911859", kill_on_drop: false }`
[INFO] [stdout] 7731d9ead535260391c68206d07a74c3f5a65db82ef2a45ea1cb8a8e87911859