Dec 19 12:51:40.497 INFO checking mcpherrinm/roughtime.rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:51:40.498 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/mcpherrinm/roughtime.rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:51:40.970 INFO [stdout] 9298e6392dfd7d1fe6464df1fb560b321ea3fbbf0e5da869ec42bf1833f1f071
Dec 19 12:51:40.974 INFO running `"docker" "start" "-a" "9298e6392dfd7d1fe6464df1fb560b321ea3fbbf0e5da869ec42bf1833f1f071"`
Dec 19 12:51:42.912 INFO [stderr]     Checking untrusted v0.3.1
Dec 19 12:51:42.920 INFO [stderr]     Checking rand v0.3.14
Dec 19 12:51:42.920 INFO [stderr]     Checking time v0.1.35
Dec 19 12:51:44.593 INFO [stderr]     Checking roughtime v0.1.0 (/opt/crater/workdir)
Dec 19 12:51:44.899 INFO [stderr] warning: unused variable: `src`
Dec 19 12:51:44.899 INFO [stderr]    --> src/main.rs:237:15
Dec 19 12:51:44.899 INFO [stderr]     |
Dec 19 12:51:44.899 INFO [stderr] 237 |     let (amt, src) = socket.recv_from(&mut inb).unwrap();
Dec 19 12:51:44.899 INFO [stderr]     |               ^^^ help: consider using `_src` instead
Dec 19 12:51:44.899 INFO [stderr]     |
Dec 19 12:51:44.899 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:51:44.899 INFO [stderr] 
Dec 19 12:51:44.924 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:51:44.924 INFO [stderr]    --> src/main.rs:234:9
Dec 19 12:51:44.924 INFO [stderr]     |
Dec 19 12:51:44.924 INFO [stderr] 234 |     let mut socket = UdpSocket::bind("0.0.0.0:0").unwrap();
Dec 19 12:51:44.924 INFO [stderr]     |         ----^^^^^^
Dec 19 12:51:44.924 INFO [stderr]     |         |
Dec 19 12:51:44.924 INFO [stderr]     |         help: remove this `mut`
Dec 19 12:51:44.924 INFO [stderr]     |
Dec 19 12:51:44.924 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:51:44.924 INFO [stderr] 
Dec 19 12:51:44.925 INFO [stderr] warning: constant item is never used: `DELE`
Dec 19 12:51:44.925 INFO [stderr]    --> src/main.rs:157:5
Dec 19 12:51:44.925 INFO [stderr]     |
Dec 19 12:51:44.925 INFO [stderr] 157 |     pub const DELE: u32 = 0x454c4544;
Dec 19 12:51:44.925 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:51:44.925 INFO [stderr]     |
Dec 19 12:51:44.925 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 12:51:44.925 INFO [stderr] 
Dec 19 12:51:44.925 INFO [stderr] warning: constant item is never used: `MINT`
Dec 19 12:51:44.925 INFO [stderr]    --> src/main.rs:158:5
Dec 19 12:51:44.925 INFO [stderr]     |
Dec 19 12:51:44.925 INFO [stderr] 158 |     pub const MINT: u32 = 0x544e494d;
Dec 19 12:51:44.925 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:51:44.925 INFO [stderr] 
Dec 19 12:51:44.925 INFO [stderr] warning: constant item is never used: `MAXT`
Dec 19 12:51:44.925 INFO [stderr]    --> src/main.rs:159:5
Dec 19 12:51:44.925 INFO [stderr]     |
Dec 19 12:51:44.925 INFO [stderr] 159 |     pub const MAXT: u32 = 0x5458414d;
Dec 19 12:51:44.925 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:51:44.925 INFO [stderr] 
Dec 19 12:51:44.925 INFO [stderr] warning: constant item is never used: `PUBK`
Dec 19 12:51:44.925 INFO [stderr]    --> src/main.rs:160:5
Dec 19 12:51:44.925 INFO [stderr]     |
Dec 19 12:51:44.925 INFO [stderr] 160 |     pub const PUBK: u32 = 0x4b425550;
Dec 19 12:51:44.925 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:51:44.925 INFO [stderr] 
Dec 19 12:51:44.925 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:51:44.925 INFO [stderr]    --> src/main.rs:235:5
Dec 19 12:51:44.925 INFO [stderr]     |
Dec 19 12:51:44.925 INFO [stderr] 235 |     socket.send_to(&new_req(), "roughtime.sandbox.google.com:2002");
Dec 19 12:51:44.925 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:51:44.925 INFO [stderr]     |
Dec 19 12:51:44.925 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 12:51:44.925 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:51:44.925 INFO [stderr] 
Dec 19 12:51:44.925 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:51:44.925 INFO [stderr]    --> src/main.rs:238:5
Dec 19 12:51:44.925 INFO [stderr]     |
Dec 19 12:51:44.925 INFO [stderr] 238 |     std::io::stderr().write(&inb[..amt]);
Dec 19 12:51:44.925 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:51:44.925 INFO [stderr]     |
Dec 19 12:51:44.925 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:51:44.925 INFO [stderr] 
Dec 19 12:51:45.008 INFO [stderr] warning: unused variable: `src`
Dec 19 12:51:45.008 INFO [stderr]    --> src/main.rs:237:15
Dec 19 12:51:45.008 INFO [stderr]     |
Dec 19 12:51:45.008 INFO [stderr] 237 |     let (amt, src) = socket.recv_from(&mut inb).unwrap();
Dec 19 12:51:45.008 INFO [stderr]     |               ^^^ help: consider using `_src` instead
Dec 19 12:51:45.008 INFO [stderr]     |
Dec 19 12:51:45.008 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:51:45.008 INFO [stderr] 
Dec 19 12:51:45.052 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:51:45.052 INFO [stderr]    --> src/main.rs:234:9
Dec 19 12:51:45.052 INFO [stderr]     |
Dec 19 12:51:45.052 INFO [stderr] 234 |     let mut socket = UdpSocket::bind("0.0.0.0:0").unwrap();
Dec 19 12:51:45.052 INFO [stderr]     |         ----^^^^^^
Dec 19 12:51:45.052 INFO [stderr]     |         |
Dec 19 12:51:45.052 INFO [stderr]     |         help: remove this `mut`
Dec 19 12:51:45.052 INFO [stderr]     |
Dec 19 12:51:45.052 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:51:45.052 INFO [stderr] 
Dec 19 12:51:45.061 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:51:45.061 INFO [stderr]    --> src/main.rs:235:5
Dec 19 12:51:45.061 INFO [stderr]     |
Dec 19 12:51:45.061 INFO [stderr] 235 |     socket.send_to(&new_req(), "roughtime.sandbox.google.com:2002");
Dec 19 12:51:45.061 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:51:45.061 INFO [stderr]     |
Dec 19 12:51:45.061 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 12:51:45.061 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:51:45.061 INFO [stderr] 
Dec 19 12:51:45.061 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:51:45.061 INFO [stderr]    --> src/main.rs:238:5
Dec 19 12:51:45.061 INFO [stderr]     |
Dec 19 12:51:45.061 INFO [stderr] 238 |     std::io::stderr().write(&inb[..amt]);
Dec 19 12:51:45.061 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:51:45.061 INFO [stderr]     |
Dec 19 12:51:45.061 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:51:45.061 INFO [stderr] 
Dec 19 12:51:45.100 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
Dec 19 12:51:45.988 INFO running `"docker" "inspect" "9298e6392dfd7d1fe6464df1fb560b321ea3fbbf0e5da869ec42bf1833f1f071"`
Dec 19 12:51:46.308 INFO running `"docker" "rm" "-f" "9298e6392dfd7d1fe6464df1fb560b321ea3fbbf0e5da869ec42bf1833f1f071"`
Dec 19 12:51:46.661 INFO [stdout] 9298e6392dfd7d1fe6464df1fb560b321ea3fbbf0e5da869ec42bf1833f1f071