[INFO] fetching crate nstd_net 0.1.0...
[INFO] testing nstd_net-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate nstd_net 0.1.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate nstd_net 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nstd_net 0.1.0
[INFO] finished tweaking crates.io crate nstd_net 0.1.0
[INFO] tweaked toml for crates.io crate nstd_net 0.1.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16fab330dfc7b46d937a5c2b547a12a17e7edb9173252d9d98be798fe1da54f4
[INFO] running `Command { std: "docker" "start" "-a" "16fab330dfc7b46d937a5c2b547a12a17e7edb9173252d9d98be798fe1da54f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16fab330dfc7b46d937a5c2b547a12a17e7edb9173252d9d98be798fe1da54f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16fab330dfc7b46d937a5c2b547a12a17e7edb9173252d9d98be798fe1da54f4", kill_on_drop: false }`
[INFO] [stdout] 16fab330dfc7b46d937a5c2b547a12a17e7edb9173252d9d98be798fe1da54f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84eae9854a4aa8d089671d8814c7f269a6b8bdab7a9a31c08daeec2a22d18ba2
[INFO] running `Command { std: "docker" "start" "-a" "84eae9854a4aa8d089671d8814c7f269a6b8bdab7a9a31c08daeec2a22d18ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling nstd_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 |     CString::from_raw(*ip);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "84eae9854a4aa8d089671d8814c7f269a6b8bdab7a9a31c08daeec2a22d18ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84eae9854a4aa8d089671d8814c7f269a6b8bdab7a9a31c08daeec2a22d18ba2", kill_on_drop: false }`
[INFO] [stdout] 84eae9854a4aa8d089671d8814c7f269a6b8bdab7a9a31c08daeec2a22d18ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 630452e9782eaad730b733a05e18e96f797f57d00a1bb862138fea5bd366da3a
[INFO] running `Command { std: "docker" "start" "-a" "630452e9782eaad730b733a05e18e96f797f57d00a1bb862138fea5bd366da3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 |     CString::from_raw(*ip);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nstd_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:293:5
[INFO] [stdout]     |
[INFO] [stdout] 293 |     CString::from_raw(*ip);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "630452e9782eaad730b733a05e18e96f797f57d00a1bb862138fea5bd366da3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630452e9782eaad730b733a05e18e96f797f57d00a1bb862138fea5bd366da3a", kill_on_drop: false }`
[INFO] [stdout] 630452e9782eaad730b733a05e18e96f797f57d00a1bb862138fea5bd366da3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46f3bde18dfd06516f42127cdd9257866055841bd563f3f881e42bba259bb50a
[INFO] running `Command { std: "docker" "start" "-a" "46f3bde18dfd06516f42127cdd9257866055841bd563f3f881e42bba259bb50a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:293:5
[INFO] [stderr]     |
[INFO] [stderr] 293 |     CString::from_raw(*ip);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stderr] 
[INFO] [stderr] warning: `nstd_net` (lib) generated 1 warning
[INFO] [stderr] warning: `nstd_net` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nstd_net-1ff29abcb2e95f00)
[INFO] [stdout] 
[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] [stderr]    Doc-tests nstd_net
[INFO] [stdout] 
[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" "46f3bde18dfd06516f42127cdd9257866055841bd563f3f881e42bba259bb50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f3bde18dfd06516f42127cdd9257866055841bd563f3f881e42bba259bb50a", kill_on_drop: false }`
[INFO] [stdout] 46f3bde18dfd06516f42127cdd9257866055841bd563f3f881e42bba259bb50a