Dec 19 07:37:20.226 INFO checking takakawa/tcpdump-helper against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:37:20.227 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/takakawa/tcpdump-helper:/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 07:37:20.658 INFO [stdout] 0a4dac48be7252a70c704ad5f74cb8007a884c3a38832c335fa05c7fe9027f51
Dec 19 07:37:20.668 INFO running `"docker" "start" "-a" "0a4dac48be7252a70c704ad5f74cb8007a884c3a38832c335fa05c7fe9027f51"`
Dec 19 07:37:22.073 INFO [stderr]     Checking tcpdump-helper v0.1.0 (/opt/crater/workdir)
Dec 19 07:37:22.449 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.449 INFO [stderr]   --> src/main.rs:48:2
Dec 19 07:37:22.449 INFO [stderr]    |
Dec 19 07:37:22.450 INFO [stderr] 48 |     write!(tcpdump_command,"-i {} ",dev);
Dec 19 07:37:22.450 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.450 INFO [stderr]    |
Dec 19 07:37:22.450 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 07:37:22.450 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.450 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.450 INFO [stderr] 
Dec 19 07:37:22.450 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.450 INFO [stderr]   --> src/main.rs:51:3
Dec 19 07:37:22.451 INFO [stderr]    |
Dec 19 07:37:22.451 INFO [stderr] 51 |         write!(tcpdump_command,"-Ann ");
Dec 19 07:37:22.451 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.451 INFO [stderr]    |
Dec 19 07:37:22.451 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.451 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.451 INFO [stderr] 
Dec 19 07:37:22.451 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.451 INFO [stderr]   --> src/main.rs:55:2
Dec 19 07:37:22.451 INFO [stderr]    |
Dec 19 07:37:22.451 INFO [stderr] 55 |     write!(tcpdump_command,"\' port {} and ",port);
Dec 19 07:37:22.451 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.451 INFO [stderr]    |
Dec 19 07:37:22.451 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.451 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.451 INFO [stderr] 
Dec 19 07:37:22.451 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.451 INFO [stderr]   --> src/main.rs:76:3
Dec 19 07:37:22.451 INFO [stderr]    |
Dec 19 07:37:22.451 INFO [stderr] 76 |         write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset);
Dec 19 07:37:22.451 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.452 INFO [stderr]    |
Dec 19 07:37:22.452 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.452 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.452 INFO [stderr] 
Dec 19 07:37:22.452 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.452 INFO [stderr]   --> src/main.rs:88:2
Dec 19 07:37:22.452 INFO [stderr]    |
Dec 19 07:37:22.452 INFO [stderr] 88 |     write!(tcpdump_command,"\'");
Dec 19 07:37:22.452 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.452 INFO [stderr]    |
Dec 19 07:37:22.454 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.454 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.454 INFO [stderr] 
Dec 19 07:37:22.522 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.522 INFO [stderr]   --> src/main.rs:48:2
Dec 19 07:37:22.522 INFO [stderr]    |
Dec 19 07:37:22.522 INFO [stderr] 48 |     write!(tcpdump_command,"-i {} ",dev);
Dec 19 07:37:22.522 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.522 INFO [stderr]    |
Dec 19 07:37:22.522 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 07:37:22.522 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.522 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.522 INFO [stderr] 
Dec 19 07:37:22.522 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.522 INFO [stderr]   --> src/main.rs:51:3
Dec 19 07:37:22.522 INFO [stderr]    |
Dec 19 07:37:22.522 INFO [stderr] 51 |         write!(tcpdump_command,"-Ann ");
Dec 19 07:37:22.523 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.524 INFO [stderr]    |
Dec 19 07:37:22.524 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.524 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.527 INFO [stderr] 
Dec 19 07:37:22.527 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.527 INFO [stderr]   --> src/main.rs:55:2
Dec 19 07:37:22.527 INFO [stderr]    |
Dec 19 07:37:22.527 INFO [stderr] 55 |     write!(tcpdump_command,"\' port {} and ",port);
Dec 19 07:37:22.527 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.527 INFO [stderr]    |
Dec 19 07:37:22.527 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.527 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.527 INFO [stderr] 
Dec 19 07:37:22.527 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.527 INFO [stderr]   --> src/main.rs:76:3
Dec 19 07:37:22.527 INFO [stderr]    |
Dec 19 07:37:22.527 INFO [stderr] 76 |         write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset);
Dec 19 07:37:22.527 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.527 INFO [stderr]    |
Dec 19 07:37:22.527 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.527 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.527 INFO [stderr] 
Dec 19 07:37:22.527 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:37:22.527 INFO [stderr]   --> src/main.rs:88:2
Dec 19 07:37:22.527 INFO [stderr]    |
Dec 19 07:37:22.527 INFO [stderr] 88 |     write!(tcpdump_command,"\'");
Dec 19 07:37:22.527 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:37:22.527 INFO [stderr]    |
Dec 19 07:37:22.527 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:37:22.527 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:37:22.527 INFO [stderr] 
Dec 19 07:37:22.565 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 19 07:37:23.339 INFO running `"docker" "inspect" "0a4dac48be7252a70c704ad5f74cb8007a884c3a38832c335fa05c7fe9027f51"`
Dec 19 07:37:23.642 INFO running `"docker" "rm" "-f" "0a4dac48be7252a70c704ad5f74cb8007a884c3a38832c335fa05c7fe9027f51"`
Dec 19 07:37:23.904 INFO [stdout] 0a4dac48be7252a70c704ad5f74cb8007a884c3a38832c335fa05c7fe9027f51