[INFO] updating cached repository trevorwhitney/twentyfour-days-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/trevorwhitney/twentyfour-days-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/trevorwhitney/twentyfour-days-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/trevorwhitney/twentyfour-days-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/trevorwhitney/twentyfour-days-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/trevorwhitney/twentyfour-days-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/trevorwhitney/twentyfour-days-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/trevorwhitney/twentyfour-days-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44b22a9e3b13c171e74248270e2890190c4e50ee
[INFO] sha for GitHub repo trevorwhitney/twentyfour-days-rust: 44b22a9e3b13c171e74248270e2890190c4e50ee
[INFO] validating manifest of trevorwhitney/twentyfour-days-rust 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 trevorwhitney/twentyfour-days-rust 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 trevorwhitney/twentyfour-days-rust
[INFO] finished frobbing trevorwhitney/twentyfour-days-rust
[INFO] frobbed toml for trevorwhitney/twentyfour-days-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/trevorwhitney/twentyfour-days-rust/Cargo.toml
[INFO] started frobbing trevorwhitney/twentyfour-days-rust
[INFO] finished frobbing trevorwhitney/twentyfour-days-rust
[INFO] frobbed toml for trevorwhitney/twentyfour-days-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/trevorwhitney/twentyfour-days-rust/Cargo.toml
[INFO] crate trevorwhitney/twentyfour-days-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing trevorwhitney/twentyfour-days-rust 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-3/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/trevorwhitney/twentyfour-days-rust:/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] 14dd9a4eebf5d1d5cd3d3fdcbc42d952f2b6a883855380a44aa98abdd620db50
[INFO] running `"docker" "start" "-a" "14dd9a4eebf5d1d5cd3d3fdcbc42d952f2b6a883855380a44aa98abdd620db50"`
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.8
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling twentyfour-days-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `"docker" "inspect" "14dd9a4eebf5d1d5cd3d3fdcbc42d952f2b6a883855380a44aa98abdd620db50"`
[INFO] running `"docker" "rm" "-f" "14dd9a4eebf5d1d5cd3d3fdcbc42d952f2b6a883855380a44aa98abdd620db50"`
[INFO] [stdout] 14dd9a4eebf5d1d5cd3d3fdcbc42d952f2b6a883855380a44aa98abdd620db50
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/trevorwhitney/twentyfour-days-rust:/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] 4f1cce5bf0a3ef4329a4ac6b9f7a752c705b98463cf51a94752690a40bc266a4
[INFO] running `"docker" "start" "-a" "4f1cce5bf0a3ef4329a4ac6b9f7a752c705b98463cf51a94752690a40bc266a4"`
[INFO] [stderr]    Compiling twentyfour-days-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "4f1cce5bf0a3ef4329a4ac6b9f7a752c705b98463cf51a94752690a40bc266a4"`
[INFO] running `"docker" "rm" "-f" "4f1cce5bf0a3ef4329a4ac6b9f7a752c705b98463cf51a94752690a40bc266a4"`
[INFO] [stdout] 4f1cce5bf0a3ef4329a4ac6b9f7a752c705b98463cf51a94752690a40bc266a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/trevorwhitney/twentyfour-days-rust:/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] e184006f405d03b93ac88f571c108a50dc4f6bd65c03ce1a205b4cfc6654e1c9
[INFO] running `"docker" "start" "-a" "e184006f405d03b93ac88f571c108a50dc4f6bd65c03ce1a205b4cfc6654e1c9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/twentyfour_days_rust-cff2638114dab1fa
[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" "e184006f405d03b93ac88f571c108a50dc4f6bd65c03ce1a205b4cfc6654e1c9"`
[INFO] running `"docker" "rm" "-f" "e184006f405d03b93ac88f571c108a50dc4f6bd65c03ce1a205b4cfc6654e1c9"`
[INFO] [stdout] e184006f405d03b93ac88f571c108a50dc4f6bd65c03ce1a205b4cfc6654e1c9