[INFO] updating cached repository https://github.com/jmageau/eule-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] 11605ea21d87239405054ae9c6349af9d1f52520
[INFO] testing jmageau/eule-rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmageau%2Feule-rs" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmageau/eule-rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jmageau/eule-rs
[INFO] finished tweaking git repo https://github.com/jmageau/eule-rs
[INFO] tweaked toml for git repo https://github.com/jmageau/eule-rs written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jmageau/eule-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 32e36793d983f0a42a68ae3f322005968d97a2202811234f98ad91ff4250b888
[INFO] running `"docker" "start" "-a" "32e36793d983f0a42a68ae3f322005968d97a2202811234f98ad91ff4250b888"`
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling itertools v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]    Compiling primal-check v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.7
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/problems/problem_54.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     foreign_links {
[INFO] [stderr] 8  | |         Fmt(::std::num::ParseIntError);
[INFO] [stderr] 9  | |     }
[INFO] [stderr] 10 | | }
[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]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `"docker" "inspect" "32e36793d983f0a42a68ae3f322005968d97a2202811234f98ad91ff4250b888"`
[INFO] running `"docker" "rm" "-f" "32e36793d983f0a42a68ae3f322005968d97a2202811234f98ad91ff4250b888"`
[INFO] [stdout] 32e36793d983f0a42a68ae3f322005968d97a2202811234f98ad91ff4250b888
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] de41c4d0bf861217ba7d9e935da51955eb3eb61b329a27446c83c42ad2123f4d
[INFO] running `"docker" "start" "-a" "de41c4d0bf861217ba7d9e935da51955eb3eb61b329a27446c83c42ad2123f4d"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/problems/problem_54.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / error_chain! {
[INFO] [stderr] 7  | |     foreign_links {
[INFO] [stderr] 8  | |         Fmt(::std::num::ParseIntError);
[INFO] [stderr] 9  | |     }
[INFO] [stderr] 10 | | }
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "de41c4d0bf861217ba7d9e935da51955eb3eb61b329a27446c83c42ad2123f4d"`
[INFO] running `"docker" "rm" "-f" "de41c4d0bf861217ba7d9e935da51955eb3eb61b329a27446c83c42ad2123f4d"`
[INFO] [stdout] de41c4d0bf861217ba7d9e935da51955eb3eb61b329a27446c83c42ad2123f4d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] f248d9f1747b43a6a2dd9ea8d5c0edddd046302a880191cf978bbc9f918aa820
[INFO] running `"docker" "start" "-a" "f248d9f1747b43a6a2dd9ea8d5c0edddd046302a880191cf978bbc9f918aa820"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-dafbd8182381b541
[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" "f248d9f1747b43a6a2dd9ea8d5c0edddd046302a880191cf978bbc9f918aa820"`
[INFO] running `"docker" "rm" "-f" "f248d9f1747b43a6a2dd9ea8d5c0edddd046302a880191cf978bbc9f918aa820"`
[INFO] [stdout] f248d9f1747b43a6a2dd9ea8d5c0edddd046302a880191cf978bbc9f918aa820