Dec 17 14:08:26.673 INFO checking takakawa/tcpdump-helper against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 14:08:26.673 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:08:27.100 INFO [stdout] d1c6952b0b00d0f7893b271f69f936c4f03a551448ce495d60029548bbd88c4a
Dec 17 14:08:27.106 INFO running `"docker" "start" "-a" "d1c6952b0b00d0f7893b271f69f936c4f03a551448ce495d60029548bbd88c4a"`
Dec 17 14:08:28.573 INFO [stderr]     Checking clap v2.31.2
Dec 17 14:08:33.128 INFO [stderr]     Checking tcpdump-helper v0.1.0 (/opt/crater/workdir)
Dec 17 14:08:33.424 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.424 INFO [stderr]   --> src/main.rs:48:2
Dec 17 14:08:33.424 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr] 48 |     write!(tcpdump_command,"-i {} ",dev);
Dec 17 14:08:33.425 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.425 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 14:08:33.425 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.425 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 17 14:08:33.425 INFO [stderr] 
Dec 17 14:08:33.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.425 INFO [stderr]   --> src/main.rs:51:3
Dec 17 14:08:33.425 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr] 51 |         write!(tcpdump_command,"-Ann ");
Dec 17 14:08:33.425 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.425 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.425 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 17 14:08:33.425 INFO [stderr] 
Dec 17 14:08:33.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.425 INFO [stderr]   --> src/main.rs:55:2
Dec 17 14:08:33.425 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr] 55 |     write!(tcpdump_command,"\' port {} and ",port);
Dec 17 14:08:33.425 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.425 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.425 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 17 14:08:33.425 INFO [stderr] 
Dec 17 14:08:33.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.425 INFO [stderr]   --> src/main.rs:76:3
Dec 17 14:08:33.425 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr] 76 |         write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset);
Dec 17 14:08:33.425 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.425 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.425 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 17 14:08:33.425 INFO [stderr] 
Dec 17 14:08:33.425 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.425 INFO [stderr]   --> src/main.rs:88:2
Dec 17 14:08:33.425 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr] 88 |     write!(tcpdump_command,"\'");
Dec 17 14:08:33.425 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.425 INFO [stderr]    |
Dec 17 14:08:33.425 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.425 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 17 14:08:33.425 INFO [stderr] 
Dec 17 14:08:33.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.548 INFO [stderr]   --> src/main.rs:48:2
Dec 17 14:08:33.548 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr] 48 |     write!(tcpdump_command,"-i {} ",dev);
Dec 17 14:08:33.549 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.549 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 14:08:33.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.549 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 17 14:08:33.549 INFO [stderr] 
Dec 17 14:08:33.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.549 INFO [stderr]   --> src/main.rs:51:3
Dec 17 14:08:33.549 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr] 51 |         write!(tcpdump_command,"-Ann ");
Dec 17 14:08:33.549 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.549 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.549 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 17 14:08:33.549 INFO [stderr] 
Dec 17 14:08:33.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.549 INFO [stderr]   --> src/main.rs:55:2
Dec 17 14:08:33.549 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr] 55 |     write!(tcpdump_command,"\' port {} and ",port);
Dec 17 14:08:33.549 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.549 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.549 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 17 14:08:33.549 INFO [stderr] 
Dec 17 14:08:33.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.549 INFO [stderr]   --> src/main.rs:76:3
Dec 17 14:08:33.549 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr] 76 |         write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset);
Dec 17 14:08:33.549 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.549 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.549 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 17 14:08:33.549 INFO [stderr] 
Dec 17 14:08:33.549 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:08:33.549 INFO [stderr]   --> src/main.rs:88:2
Dec 17 14:08:33.549 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr] 88 |     write!(tcpdump_command,"\'");
Dec 17 14:08:33.549 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:33.549 INFO [stderr]    |
Dec 17 14:08:33.549 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:08:33.549 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 17 14:08:33.549 INFO [stderr] 
Dec 17 14:08:33.600 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
Dec 17 14:08:34.178 INFO running `"docker" "inspect" "d1c6952b0b00d0f7893b271f69f936c4f03a551448ce495d60029548bbd88c4a"`
Dec 17 14:08:34.504 INFO running `"docker" "rm" "-f" "d1c6952b0b00d0f7893b271f69f936c4f03a551448ce495d60029548bbd88c4a"`
Dec 17 14:08:34.644 INFO [stdout] d1c6952b0b00d0f7893b271f69f936c4f03a551448ce495d60029548bbd88c4a