[INFO] crate wping 0.3.0 is already in cache
[INFO] extracting crate wping 0.3.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/wping/0.3.0
[INFO] extracting crate wping 0.3.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/wping/0.3.0
[INFO] validating manifest of wping-0.3.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wping-0.3.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/wping/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wping-0.3.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 3fde0e8ddc9439eb07a9d12cabd1a1b47242b0477bcd1fe3f4ae25dffdf72ced
[INFO] running `"docker" "start" "-a" "3fde0e8ddc9439eb07a9d12cabd1a1b47242b0477bcd1fe3f4ae25dffdf72ced"`
[INFO] [stderr]    Compiling pnet_base v0.22.0
[INFO] [stderr]    Compiling pnet_macros_support v0.1.1
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling resolve v0.1.2
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling pnet_macros_support v0.22.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[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 57.69s
[INFO] running `"docker" "inspect" "3fde0e8ddc9439eb07a9d12cabd1a1b47242b0477bcd1fe3f4ae25dffdf72ced"`
[INFO] running `"docker" "rm" "-f" "3fde0e8ddc9439eb07a9d12cabd1a1b47242b0477bcd1fe3f4ae25dffdf72ced"`
[INFO] [stdout] 3fde0e8ddc9439eb07a9d12cabd1a1b47242b0477bcd1fe3f4ae25dffdf72ced
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f58243778ebc9d1ecf3432de0b11f39552ef5028e5a3ad464699b21bf4a134bc
[INFO] running `"docker" "start" "-a" "f58243778ebc9d1ecf3432de0b11f39552ef5028e5a3ad464699b21bf4a134bc"`
[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 1.23s
[INFO] running `"docker" "inspect" "f58243778ebc9d1ecf3432de0b11f39552ef5028e5a3ad464699b21bf4a134bc"`
[INFO] running `"docker" "rm" "-f" "f58243778ebc9d1ecf3432de0b11f39552ef5028e5a3ad464699b21bf4a134bc"`
[INFO] [stdout] f58243778ebc9d1ecf3432de0b11f39552ef5028e5a3ad464699b21bf4a134bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ae3d9c29d2bd73ed2cc8d75a75ed17f2e923a959a5e3fd8a2707887a496e6899
[INFO] running `"docker" "start" "-a" "ae3d9c29d2bd73ed2cc8d75a75ed17f2e923a959a5e3fd8a2707887a496e6899"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wping-deadb07cfaf8cd52
[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" "ae3d9c29d2bd73ed2cc8d75a75ed17f2e923a959a5e3fd8a2707887a496e6899"`
[INFO] running `"docker" "rm" "-f" "ae3d9c29d2bd73ed2cc8d75a75ed17f2e923a959a5e3fd8a2707887a496e6899"`
[INFO] [stdout] ae3d9c29d2bd73ed2cc8d75a75ed17f2e923a959a5e3fd8a2707887a496e6899