[INFO] updating cached repository jmageau/eule-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmageau/eule-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmageau/eule-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/jmageau/eule-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jmageau/eule-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmageau/eule-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmageau/eule-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmageau/eule-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11605ea21d87239405054ae9c6349af9d1f52520
[INFO] sha for GitHub repo jmageau/eule-rs: 11605ea21d87239405054ae9c6349af9d1f52520
[INFO] validating manifest of jmageau/eule-rs 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 jmageau/eule-rs 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 jmageau/eule-rs
[INFO] finished frobbing jmageau/eule-rs
[INFO] frobbed toml for jmageau/eule-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/jmageau/eule-rs/Cargo.toml
[INFO] started frobbing jmageau/eule-rs
[INFO] finished frobbing jmageau/eule-rs
[INFO] frobbed toml for jmageau/eule-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jmageau/eule-rs/Cargo.toml
[INFO] crate jmageau/eule-rs 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 jmageau/eule-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jmageau/eule-rs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 817709aee779b9e99ecceaef9aef4c6333914570c80a7800fc0461c4578382d0
[INFO] running `"docker" "start" "-a" "817709aee779b9e99ecceaef9aef4c6333914570c80a7800fc0461c4578382d0"`
[INFO] [stderr]    Compiling itertools v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling primal-sieve v0.2.7
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling primal-check v0.2.2
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/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 12.97s
[INFO] running `"docker" "inspect" "817709aee779b9e99ecceaef9aef4c6333914570c80a7800fc0461c4578382d0"`
[INFO] running `"docker" "rm" "-f" "817709aee779b9e99ecceaef9aef4c6333914570c80a7800fc0461c4578382d0"`
[INFO] [stdout] 817709aee779b9e99ecceaef9aef4c6333914570c80a7800fc0461c4578382d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jmageau/eule-rs:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 18f5afb9cbd63d4b41ec8c7f22527deb0ab22c0cf6bf4bed7416673003ffab0f
[INFO] running `"docker" "start" "-a" "18f5afb9cbd63d4b41ec8c7f22527deb0ab22c0cf6bf4bed7416673003ffab0f"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/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 1.53s
[INFO] running `"docker" "inspect" "18f5afb9cbd63d4b41ec8c7f22527deb0ab22c0cf6bf4bed7416673003ffab0f"`
[INFO] running `"docker" "rm" "-f" "18f5afb9cbd63d4b41ec8c7f22527deb0ab22c0cf6bf4bed7416673003ffab0f"`
[INFO] [stdout] 18f5afb9cbd63d4b41ec8c7f22527deb0ab22c0cf6bf4bed7416673003ffab0f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jmageau/eule-rs:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f4edebdc2fba789927f05496a7f49eb1f69e7b0ad0f4c335a5b6a150a27f6792
[INFO] running `"docker" "start" "-a" "f4edebdc2fba789927f05496a7f49eb1f69e7b0ad0f4c335a5b6a150a27f6792"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler-fb1fac30a37acfb1
[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" "f4edebdc2fba789927f05496a7f49eb1f69e7b0ad0f4c335a5b6a150a27f6792"`
[INFO] running `"docker" "rm" "-f" "f4edebdc2fba789927f05496a7f49eb1f69e7b0ad0f4c335a5b6a150a27f6792"`
[INFO] [stdout] f4edebdc2fba789927f05496a7f49eb1f69e7b0ad0f4c335a5b6a150a27f6792