[INFO] crate nc 0.4.10 is already in cache
[INFO] testing nc-0.4.10 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate nc 0.4.10 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nc 0.4.10 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nc 0.4.10
[INFO] finished tweaking crates.io crate nc 0.4.10
[INFO] tweaked toml for crates.io crate nc 0.4.10 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate nc 0.4.10 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dcab6f91e3e9889b1356cb16f835d0a1406d7900a7d28d90ced516205c1cb3b
[INFO] running `"docker" "start" "-a" "0dcab6f91e3e9889b1356cb16f835d0a1406d7900a7d28d90ced516205c1cb3b"`
[INFO] [stderr]    Compiling nc v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `"docker" "inspect" "0dcab6f91e3e9889b1356cb16f835d0a1406d7900a7d28d90ced516205c1cb3b"`
[INFO] running `"docker" "rm" "-f" "0dcab6f91e3e9889b1356cb16f835d0a1406d7900a7d28d90ced516205c1cb3b"`
[INFO] [stdout] 0dcab6f91e3e9889b1356cb16f835d0a1406d7900a7d28d90ced516205c1cb3b
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f08632aa3cecae21d98fb387c9ae51bf577d1143689cc40c83506cc035cf1098
[INFO] running `"docker" "start" "-a" "f08632aa3cecae21d98fb387c9ae51bf577d1143689cc40c83506cc035cf1098"`
[INFO] [stderr]    Compiling nc v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> examples/socket.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     loop {
[INFO] [stderr] 28 | |         let mut conn_addr = nc::sockaddr_in_t::default();
[INFO] [stderr] 29 | |         let mut conn_addr_len: nc::socklen_t = 0;
[INFO] [stderr] 30 | |         let conn_fd = nc::accept(listen_fd, &mut conn_addr, &mut conn_addr_len)?;
[INFO] [stderr] 31 | |         println!("conn_fd: {:?}", conn_fd);
[INFO] [stderr] 32 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 33 | 
[INFO] [stderr] 34 |       return Ok(());
[INFO] [stderr]    |       ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `KEY_SPACE`
[INFO] [stderr]   --> examples/keyboard.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const KEY_SPACE: usize = 57;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.84s
[INFO] running `"docker" "inspect" "f08632aa3cecae21d98fb387c9ae51bf577d1143689cc40c83506cc035cf1098"`
[INFO] running `"docker" "rm" "-f" "f08632aa3cecae21d98fb387c9ae51bf577d1143689cc40c83506cc035cf1098"`
[INFO] [stdout] f08632aa3cecae21d98fb387c9ae51bf577d1143689cc40c83506cc035cf1098
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f46547f9e720a9a52782c716a054d023041ce02e80b3421737fa983728dcd4f
[INFO] running `"docker" "start" "-a" "4f46547f9e720a9a52782c716a054d023041ce02e80b3421737fa983728dcd4f"`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> examples/socket.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     loop {
[INFO] [stderr] 28 | |         let mut conn_addr = nc::sockaddr_in_t::default();
[INFO] [stderr] 29 | |         let mut conn_addr_len: nc::socklen_t = 0;
[INFO] [stderr] 30 | |         let conn_fd = nc::accept(listen_fd, &mut conn_addr, &mut conn_addr_len)?;
[INFO] [stderr] 31 | |         println!("conn_fd: {:?}", conn_fd);
[INFO] [stderr] 32 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 33 | 
[INFO] [stderr] 34 |       return Ok(());
[INFO] [stderr]    |       ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `KEY_SPACE`
[INFO] [stderr]   --> examples/keyboard.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const KEY_SPACE: usize = 57;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nc-6113f33accc816ab
[INFO] [stderr]    Doc-tests nc
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4f46547f9e720a9a52782c716a054d023041ce02e80b3421737fa983728dcd4f"`
[INFO] running `"docker" "rm" "-f" "4f46547f9e720a9a52782c716a054d023041ce02e80b3421737fa983728dcd4f"`
[INFO] [stdout] 4f46547f9e720a9a52782c716a054d023041ce02e80b3421737fa983728dcd4f