[INFO] updating cached repository scvalex/python-challenge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scvalex/python-challenge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scvalex/python-challenge" "work/ex/beta-1.38-1/sources/1.37.0/gh/scvalex/python-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/scvalex/python-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scvalex/python-challenge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scvalex/python-challenge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scvalex/python-challenge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d9f22bb0bfb9df866d4aa79f61287e852760d11b
[INFO] sha for GitHub repo scvalex/python-challenge: d9f22bb0bfb9df866d4aa79f61287e852760d11b
[INFO] validating manifest of scvalex/python-challenge on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scvalex/python-challenge on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scvalex/python-challenge
[INFO] finished frobbing scvalex/python-challenge
[INFO] frobbed toml for scvalex/python-challenge written to work/ex/beta-1.38-1/sources/1.37.0/gh/scvalex/python-challenge/Cargo.toml
[INFO] started frobbing scvalex/python-challenge
[INFO] finished frobbing scvalex/python-challenge
[INFO] frobbed toml for scvalex/python-challenge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scvalex/python-challenge/Cargo.toml
[INFO] crate scvalex/python-challenge already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing scvalex/python-challenge against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scvalex/python-challenge:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1999d09ac96658df795a57a53d5a8d4db43cfcdb92678ecf7b4d9525453cf40c
[INFO] running `"docker" "start" "-a" "1999d09ac96658df795a57a53d5a8d4db43cfcdb92678ecf7b4d9525453cf40c"`
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling base64 v0.9.0
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.25
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling reqwest v0.8.5
[INFO] [stderr]    Compiling python-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static!{
[INFO] [stderr] 16 | |     static ref NOTHING_REGEX: Regex = Regex::new(r"and the next nothing is ([0-9]+)").unwrap();
[INFO] [stderr] 17 | |     static ref NOTHING_REGEX2: Regex = Regex::new(r"Next nothing is ([0-9]+)").unwrap();
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static!{
[INFO] [stderr] 16 | |     static ref NOTHING_REGEX: Regex = Regex::new(r"and the next nothing is ([0-9]+)").unwrap();
[INFO] [stderr] 17 | |     static ref NOTHING_REGEX2: Regex = Regex::new(r"Next nothing is ([0-9]+)").unwrap();
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.46s
[INFO] running `"docker" "inspect" "1999d09ac96658df795a57a53d5a8d4db43cfcdb92678ecf7b4d9525453cf40c"`
[INFO] running `"docker" "rm" "-f" "1999d09ac96658df795a57a53d5a8d4db43cfcdb92678ecf7b4d9525453cf40c"`
[INFO] [stdout] 1999d09ac96658df795a57a53d5a8d4db43cfcdb92678ecf7b4d9525453cf40c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scvalex/python-challenge:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] bd2cdc1d7fa3575ba433cf21d5794cfa721527c93ba9762f50b9f2bea6f900cf
[INFO] running `"docker" "start" "-a" "bd2cdc1d7fa3575ba433cf21d5794cfa721527c93ba9762f50b9f2bea6f900cf"`
[INFO] [stderr]    Compiling python-challenge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static!{
[INFO] [stderr] 16 | |     static ref NOTHING_REGEX: Regex = Regex::new(r"and the next nothing is ([0-9]+)").unwrap();
[INFO] [stderr] 17 | |     static ref NOTHING_REGEX2: Regex = Regex::new(r"Next nothing is ([0-9]+)").unwrap();
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static!{
[INFO] [stderr] 16 | |     static ref NOTHING_REGEX: Regex = Regex::new(r"and the next nothing is ([0-9]+)").unwrap();
[INFO] [stderr] 17 | |     static ref NOTHING_REGEX2: Regex = Regex::new(r"Next nothing is ([0-9]+)").unwrap();
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `"docker" "inspect" "bd2cdc1d7fa3575ba433cf21d5794cfa721527c93ba9762f50b9f2bea6f900cf"`
[INFO] running `"docker" "rm" "-f" "bd2cdc1d7fa3575ba433cf21d5794cfa721527c93ba9762f50b9f2bea6f900cf"`
[INFO] [stdout] bd2cdc1d7fa3575ba433cf21d5794cfa721527c93ba9762f50b9f2bea6f900cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scvalex/python-challenge:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c478cc84e1f7d1ca9b598142efb84a30b16593d800c354f6a63acf39b9795972
[INFO] running `"docker" "start" "-a" "c478cc84e1f7d1ca9b598142efb84a30b16593d800c354f6a63acf39b9795972"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/python_challenge-19c9671655c04c51
[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] [stderr]      Running /opt/crater/target/debug/deps/python_challenge-66135a08d8ddabd6
[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] [stderr]    Doc-tests python-challenge
[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" "c478cc84e1f7d1ca9b598142efb84a30b16593d800c354f6a63acf39b9795972"`
[INFO] running `"docker" "rm" "-f" "c478cc84e1f7d1ca9b598142efb84a30b16593d800c354f6a63acf39b9795972"`
[INFO] [stdout] c478cc84e1f7d1ca9b598142efb84a30b16593d800c354f6a63acf39b9795972