[INFO] updating cached repository msekletar/net-ifnames-prefix
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/msekletar/net-ifnames-prefix
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/msekletar/net-ifnames-prefix" "work/ex/beta-1.37-6/sources/1.36.0/gh/msekletar/net-ifnames-prefix"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/msekletar/net-ifnames-prefix'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/msekletar/net-ifnames-prefix" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/msekletar/net-ifnames-prefix"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/msekletar/net-ifnames-prefix'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57f075d9df0cd4ea1b39003044e6e36c7f6dfbfe
[INFO] sha for GitHub repo msekletar/net-ifnames-prefix: 57f075d9df0cd4ea1b39003044e6e36c7f6dfbfe
[INFO] validating manifest of msekletar/net-ifnames-prefix 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 msekletar/net-ifnames-prefix 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 msekletar/net-ifnames-prefix
[INFO] finished frobbing msekletar/net-ifnames-prefix
[INFO] frobbed toml for msekletar/net-ifnames-prefix written to work/ex/beta-1.37-6/sources/1.36.0/gh/msekletar/net-ifnames-prefix/Cargo.toml
[INFO] started frobbing msekletar/net-ifnames-prefix
[INFO] finished frobbing msekletar/net-ifnames-prefix
[INFO] frobbed toml for msekletar/net-ifnames-prefix written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/msekletar/net-ifnames-prefix/Cargo.toml
[INFO] crate msekletar/net-ifnames-prefix already has a lockfile, it will not be regenerated
[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 msekletar/net-ifnames-prefix 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/msekletar/net-ifnames-prefix:/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] 4df02eb11d248c01419d4b5489edcbc5967d405e419b33dea20ec91f1004fc4d
[INFO] running `"docker" "start" "-a" "4df02eb11d248c01419d4b5489edcbc5967d405e419b33dea20ec91f1004fc4d"`
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling openssl-sys v0.9.32
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.19
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling reqwest v0.6.2
[INFO] [stderr]    Compiling hwaddr v0.1.4
[INFO] [stderr]    Compiling net-ifnames-prefix v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/config.rs:130:36
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let last_index = last.name.trim_left_matches(&self.ifname_prefix).parse::<u64>()?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.60s
[INFO] running `"docker" "inspect" "4df02eb11d248c01419d4b5489edcbc5967d405e419b33dea20ec91f1004fc4d"`
[INFO] running `"docker" "rm" "-f" "4df02eb11d248c01419d4b5489edcbc5967d405e419b33dea20ec91f1004fc4d"`
[INFO] [stdout] 4df02eb11d248c01419d4b5489edcbc5967d405e419b33dea20ec91f1004fc4d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/msekletar/net-ifnames-prefix:/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] 4da3ff2365e92cd9c9ac1bbd8bd81d03500c45f843136eada0a520feae9341a0
[INFO] running `"docker" "start" "-a" "4da3ff2365e92cd9c9ac1bbd8bd81d03500c45f843136eada0a520feae9341a0"`
[INFO] [stderr]    Compiling net-ifnames-prefix v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/config.rs:130:36
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let last_index = last.name.trim_left_matches(&self.ifname_prefix).parse::<u64>()?;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "4da3ff2365e92cd9c9ac1bbd8bd81d03500c45f843136eada0a520feae9341a0"`
[INFO] running `"docker" "rm" "-f" "4da3ff2365e92cd9c9ac1bbd8bd81d03500c45f843136eada0a520feae9341a0"`
[INFO] [stdout] 4da3ff2365e92cd9c9ac1bbd8bd81d03500c45f843136eada0a520feae9341a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/msekletar/net-ifnames-prefix:/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] 227b3526611834ff20fba5e8a623812db1db971375ed38d4cfbab92b10f00a02
[INFO] running `"docker" "start" "-a" "227b3526611834ff20fba5e8a623812db1db971375ed38d4cfbab92b10f00a02"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/net_ifnames_prefix-502d952cda7fe20c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "227b3526611834ff20fba5e8a623812db1db971375ed38d4cfbab92b10f00a02"`
[INFO] running `"docker" "rm" "-f" "227b3526611834ff20fba5e8a623812db1db971375ed38d4cfbab92b10f00a02"`
[INFO] [stdout] 227b3526611834ff20fba5e8a623812db1db971375ed38d4cfbab92b10f00a02