Nov 29 17:00:47.385 INFO checking takakawa/tcpdump-helper against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 17:00:47.385 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 29 17:00:47.798 INFO [stdout] 075aafc323245f9bd2183f56c76dfbec9b8f2860ecd32d1e994741e9b29dda06
Nov 29 17:00:47.806 INFO running `"docker" "start" "-a" "075aafc323245f9bd2183f56c76dfbec9b8f2860ecd32d1e994741e9b29dda06"`
Nov 29 17:00:49.162 INFO [stderr] usermod: no changes
Nov 29 17:00:49.308 INFO [stderr]     Checking tcpdump-helper v0.1.0 (/source)
Nov 29 17:00:49.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.740 INFO [stderr]   --> src/main.rs:48:2
Nov 29 17:00:49.740 INFO [stderr]    |
Nov 29 17:00:49.740 INFO [stderr] 48 |     write!(tcpdump_command,"-i {} ",dev);
Nov 29 17:00:49.740 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.740 INFO [stderr]    |
Nov 29 17:00:49.740 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 17:00:49.740 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.740 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)
Nov 29 17:00:49.740 INFO [stderr] 
Nov 29 17:00:49.744 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.744 INFO [stderr]   --> src/main.rs:51:3
Nov 29 17:00:49.744 INFO [stderr]    |
Nov 29 17:00:49.744 INFO [stderr] 51 |         write!(tcpdump_command,"-Ann ");
Nov 29 17:00:49.744 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.744 INFO [stderr]    |
Nov 29 17:00:49.744 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.744 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)
Nov 29 17:00:49.744 INFO [stderr] 
Nov 29 17:00:49.744 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.744 INFO [stderr]   --> src/main.rs:55:2
Nov 29 17:00:49.744 INFO [stderr]    |
Nov 29 17:00:49.744 INFO [stderr] 55 |     write!(tcpdump_command,"\' port {} and ",port);
Nov 29 17:00:49.744 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.744 INFO [stderr]    |
Nov 29 17:00:49.744 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.744 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)
Nov 29 17:00:49.744 INFO [stderr] 
Nov 29 17:00:49.744 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.745 INFO [stderr]   --> src/main.rs:76:3
Nov 29 17:00:49.745 INFO [stderr]    |
Nov 29 17:00:49.745 INFO [stderr] 76 |         write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset);
Nov 29 17:00:49.745 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.745 INFO [stderr]    |
Nov 29 17:00:49.745 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.745 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)
Nov 29 17:00:49.745 INFO [stderr] 
Nov 29 17:00:49.745 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.745 INFO [stderr]   --> src/main.rs:88:2
Nov 29 17:00:49.745 INFO [stderr]    |
Nov 29 17:00:49.745 INFO [stderr] 88 |     write!(tcpdump_command,"\'");
Nov 29 17:00:49.745 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.745 INFO [stderr]    |
Nov 29 17:00:49.745 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.745 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)
Nov 29 17:00:49.745 INFO [stderr] 
Nov 29 17:00:49.801 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.801 INFO [stderr]   --> src/main.rs:48:2
Nov 29 17:00:49.801 INFO [stderr]    |
Nov 29 17:00:49.801 INFO [stderr] 48 |     write!(tcpdump_command,"-i {} ",dev);
Nov 29 17:00:49.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.801 INFO [stderr]    |
Nov 29 17:00:49.801 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 17:00:49.801 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.801 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)
Nov 29 17:00:49.801 INFO [stderr] 
Nov 29 17:00:49.801 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.801 INFO [stderr]   --> src/main.rs:51:3
Nov 29 17:00:49.801 INFO [stderr]    |
Nov 29 17:00:49.801 INFO [stderr] 51 |         write!(tcpdump_command,"-Ann ");
Nov 29 17:00:49.801 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.801 INFO [stderr]    |
Nov 29 17:00:49.801 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.801 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)
Nov 29 17:00:49.801 INFO [stderr] 
Nov 29 17:00:49.802 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.802 INFO [stderr]   --> src/main.rs:55:2
Nov 29 17:00:49.802 INFO [stderr]    |
Nov 29 17:00:49.802 INFO [stderr] 55 |     write!(tcpdump_command,"\' port {} and ",port);
Nov 29 17:00:49.802 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.802 INFO [stderr]    |
Nov 29 17:00:49.802 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.802 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)
Nov 29 17:00:49.802 INFO [stderr] 
Nov 29 17:00:49.802 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.802 INFO [stderr]   --> src/main.rs:76:3
Nov 29 17:00:49.802 INFO [stderr]    |
Nov 29 17:00:49.802 INFO [stderr] 76 |         write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset);
Nov 29 17:00:49.802 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.802 INFO [stderr]    |
Nov 29 17:00:49.802 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.802 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)
Nov 29 17:00:49.802 INFO [stderr] 
Nov 29 17:00:49.802 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 17:00:49.802 INFO [stderr]   --> src/main.rs:88:2
Nov 29 17:00:49.802 INFO [stderr]    |
Nov 29 17:00:49.802 INFO [stderr] 88 |     write!(tcpdump_command,"\'");
Nov 29 17:00:49.802 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:49.802 INFO [stderr]    |
Nov 29 17:00:49.802 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 17:00:49.802 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)
Nov 29 17:00:49.802 INFO [stderr] 
Nov 29 17:00:49.833 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Nov 29 17:00:49.836 INFO [stderr] su: No module specific data is present
Nov 29 17:00:50.432 INFO running `"docker" "inspect" "075aafc323245f9bd2183f56c76dfbec9b8f2860ecd32d1e994741e9b29dda06"`
Nov 29 17:00:50.629 INFO running `"docker" "rm" "-f" "075aafc323245f9bd2183f56c76dfbec9b8f2860ecd32d1e994741e9b29dda06"`
Nov 29 17:00:50.876 INFO [stdout] 075aafc323245f9bd2183f56c76dfbec9b8f2860ecd32d1e994741e9b29dda06