Dec 04 09:02:19.699 INFO checking takakawa/tcpdump-helper against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 09:02:19.699 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 09:02:20.115 INFO [stdout] e41a6294ddeb02dfd43222d5490d216ef0b64827725ff0675d442b7975fbdc51
Dec 04 09:02:20.117 INFO running `"docker" "start" "-a" "e41a6294ddeb02dfd43222d5490d216ef0b64827725ff0675d442b7975fbdc51"`
Dec 04 09:02:21.155 INFO [stderr] usermod: no changes
Dec 04 09:02:21.256 INFO [stderr]     Checking clap v2.31.2
Dec 04 09:02:25.443 INFO [stderr]     Checking tcpdump-helper v0.1.0 (/source)
Dec 04 09:02:25.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:25.895 INFO [stderr]   --> src/main.rs:48:2
Dec 04 09:02:25.895 INFO [stderr]    |
Dec 04 09:02:25.895 INFO [stderr] 48 |     write!(tcpdump_command,"-i {} ",dev);
Dec 04 09:02:25.895 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:25.895 INFO [stderr]    |
Dec 04 09:02:25.895 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 09:02:25.895 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:25.895 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 04 09:02:25.895 INFO [stderr] 
Dec 04 09:02:25.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:25.895 INFO [stderr]   --> src/main.rs:51:3
Dec 04 09:02:25.895 INFO [stderr]    |
Dec 04 09:02:25.895 INFO [stderr] 51 |         write!(tcpdump_command,"-Ann ");
Dec 04 09:02:25.895 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:25.895 INFO [stderr]    |
Dec 04 09:02:25.895 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:25.895 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 04 09:02:25.895 INFO [stderr] 
Dec 04 09:02:25.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:25.895 INFO [stderr]   --> src/main.rs:55:2
Dec 04 09:02:25.895 INFO [stderr]    |
Dec 04 09:02:25.895 INFO [stderr] 55 |     write!(tcpdump_command,"\' port {} and ",port);
Dec 04 09:02:25.895 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:25.895 INFO [stderr]    |
Dec 04 09:02:25.895 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:25.895 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 04 09:02:25.895 INFO [stderr] 
Dec 04 09:02:25.895 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:25.895 INFO [stderr]   --> src/main.rs:76:3
Dec 04 09:02:25.895 INFO [stderr]    |
Dec 04 09:02:25.895 INFO [stderr] 76 |         write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset);
Dec 04 09:02:25.895 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:25.895 INFO [stderr]    |
Dec 04 09:02:25.895 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:25.895 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 04 09:02:25.895 INFO [stderr] 
Dec 04 09:02:25.903 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:25.903 INFO [stderr]   --> src/main.rs:88:2
Dec 04 09:02:25.903 INFO [stderr]    |
Dec 04 09:02:25.903 INFO [stderr] 88 |     write!(tcpdump_command,"\'");
Dec 04 09:02:25.903 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:25.903 INFO [stderr]    |
Dec 04 09:02:25.903 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:25.903 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 04 09:02:25.903 INFO [stderr] 
Dec 04 09:02:26.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:26.037 INFO [stderr]   --> src/main.rs:48:2
Dec 04 09:02:26.037 INFO [stderr]    |
Dec 04 09:02:26.037 INFO [stderr] 48 |     write!(tcpdump_command,"-i {} ",dev);
Dec 04 09:02:26.037 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:26.037 INFO [stderr]    |
Dec 04 09:02:26.037 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 09:02:26.037 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:26.037 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 04 09:02:26.037 INFO [stderr] 
Dec 04 09:02:26.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:26.037 INFO [stderr]   --> src/main.rs:51:3
Dec 04 09:02:26.037 INFO [stderr]    |
Dec 04 09:02:26.037 INFO [stderr] 51 |         write!(tcpdump_command,"-Ann ");
Dec 04 09:02:26.037 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:26.037 INFO [stderr]    |
Dec 04 09:02:26.037 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:26.037 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 04 09:02:26.037 INFO [stderr] 
Dec 04 09:02:26.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:26.037 INFO [stderr]   --> src/main.rs:55:2
Dec 04 09:02:26.037 INFO [stderr]    |
Dec 04 09:02:26.037 INFO [stderr] 55 |     write!(tcpdump_command,"\' port {} and ",port);
Dec 04 09:02:26.038 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:26.038 INFO [stderr]    |
Dec 04 09:02:26.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:26.038 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 04 09:02:26.038 INFO [stderr] 
Dec 04 09:02:26.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:26.038 INFO [stderr]   --> src/main.rs:76:3
Dec 04 09:02:26.038 INFO [stderr]    |
Dec 04 09:02:26.038 INFO [stderr] 76 |         write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset);
Dec 04 09:02:26.038 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:26.038 INFO [stderr]    |
Dec 04 09:02:26.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:26.038 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 04 09:02:26.038 INFO [stderr] 
Dec 04 09:02:26.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:02:26.038 INFO [stderr]   --> src/main.rs:88:2
Dec 04 09:02:26.038 INFO [stderr]    |
Dec 04 09:02:26.038 INFO [stderr] 88 |     write!(tcpdump_command,"\'");
Dec 04 09:02:26.038 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:26.038 INFO [stderr]    |
Dec 04 09:02:26.038 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:02:26.038 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 04 09:02:26.038 INFO [stderr] 
Dec 04 09:02:26.079 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
Dec 04 09:02:26.083 INFO [stderr] su: No module specific data is present
Dec 04 09:02:26.705 INFO running `"docker" "inspect" "e41a6294ddeb02dfd43222d5490d216ef0b64827725ff0675d442b7975fbdc51"`
Dec 04 09:02:26.996 INFO running `"docker" "rm" "-f" "e41a6294ddeb02dfd43222d5490d216ef0b64827725ff0675d442b7975fbdc51"`
Dec 04 09:02:27.295 INFO [stdout] e41a6294ddeb02dfd43222d5490d216ef0b64827725ff0675d442b7975fbdc51