[INFO] crate wping 0.3.0 is already in cache
[INFO] extracting crate wping 0.3.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/wping/0.3.0
[INFO] extracting crate wping 0.3.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/wping/0.3.0
[INFO] validating manifest of wping-0.3.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wping-0.3.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wping-0.3.0
[INFO] finished frobbing wping-0.3.0
[INFO] frobbed toml for wping-0.3.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/wping/0.3.0/Cargo.toml
[INFO] started frobbing wping-0.3.0
[INFO] finished frobbing wping-0.3.0
[INFO] frobbed toml for wping-0.3.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/wping/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wping-0.3.0 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/wping/0.3.0:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 43fcae49c63564d87c88c03363e32614a6a0167b4fef8a0bc9cecf9989e06f39
[INFO] running `"docker" "start" "-a" "43fcae49c63564d87c88c03363e32614a6a0167b4fef8a0bc9cecf9989e06f39"`
[INFO] [stderr]    Compiling pnet_base v0.21.0
[INFO] [stderr]    Compiling pnet_macros_support v0.1.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling resolve v0.1.2
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling pnet_macros_support v0.21.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.15.0
[INFO] [stderr]    Compiling pnet v0.16.0
[INFO] [stderr]    Compiling wping v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut ipv4_payload = ipv4.payload_mut();
[INFO] [stderr]     |         ----^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.40s
[INFO] running `"docker" "inspect" "43fcae49c63564d87c88c03363e32614a6a0167b4fef8a0bc9cecf9989e06f39"`
[INFO] running `"docker" "rm" "-f" "43fcae49c63564d87c88c03363e32614a6a0167b4fef8a0bc9cecf9989e06f39"`
[INFO] [stdout] 43fcae49c63564d87c88c03363e32614a6a0167b4fef8a0bc9cecf9989e06f39
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/wping/0.3.0:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] d6856979aac1fd2fdcd4d774fc4a9c7ab9c1bdab0a2189f2ce98a6012a6d92c5
[INFO] running `"docker" "start" "-a" "d6856979aac1fd2fdcd4d774fc4a9c7ab9c1bdab0a2189f2ce98a6012a6d92c5"`
[INFO] [stderr]    Compiling wping v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut ipv4_payload = ipv4.payload_mut();
[INFO] [stderr]     |         ----^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "d6856979aac1fd2fdcd4d774fc4a9c7ab9c1bdab0a2189f2ce98a6012a6d92c5"`
[INFO] running `"docker" "rm" "-f" "d6856979aac1fd2fdcd4d774fc4a9c7ab9c1bdab0a2189f2ce98a6012a6d92c5"`
[INFO] [stdout] d6856979aac1fd2fdcd4d774fc4a9c7ab9c1bdab0a2189f2ce98a6012a6d92c5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/wping/0.3.0:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] bbc7e8aa693f82e0d0eea39e689eebc5db6e2d70c19673e11d04f34d56e5cc71
[INFO] running `"docker" "start" "-a" "bbc7e8aa693f82e0d0eea39e689eebc5db6e2d70c19673e11d04f34d56e5cc71"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wping-e7a5732958825e8c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_nanoseconds_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bbc7e8aa693f82e0d0eea39e689eebc5db6e2d70c19673e11d04f34d56e5cc71"`
[INFO] running `"docker" "rm" "-f" "bbc7e8aa693f82e0d0eea39e689eebc5db6e2d70c19673e11d04f34d56e5cc71"`
[INFO] [stdout] bbc7e8aa693f82e0d0eea39e689eebc5db6e2d70c19673e11d04f34d56e5cc71