[INFO] updating cached repository https://github.com/scvalex/python-challenge
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d9f22bb0bfb9df866d4aa79f61287e852760d11b
[INFO] checking scvalex/python-challenge against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscvalex%2Fpython-challenge" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scvalex/python-challenge on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/scvalex/python-challenge
[INFO] finished tweaking git repo https://github.com/scvalex/python-challenge
[INFO] tweaked toml for git repo https://github.com/scvalex/python-challenge written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/scvalex/python-challenge already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 62c74cec8175d247ff75eb1e94307e8fd41f6d51295892ac7347b9c8479bfa2e
[INFO] running `"docker" "start" "-a" "62c74cec8175d247ff75eb1e94307e8fd41f6d51295892ac7347b9c8479bfa2e"`
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking hyper v0.11.25
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking reqwest v0.8.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking python-challenge v0.1.0 (/opt/rustwide/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] 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 32.99s
[INFO] running `"docker" "inspect" "62c74cec8175d247ff75eb1e94307e8fd41f6d51295892ac7347b9c8479bfa2e"`
[INFO] running `"docker" "rm" "-f" "62c74cec8175d247ff75eb1e94307e8fd41f6d51295892ac7347b9c8479bfa2e"`
[INFO] [stdout] 62c74cec8175d247ff75eb1e94307e8fd41f6d51295892ac7347b9c8479bfa2e