[INFO] updating cached repository Lightium/Simple-Rust-Name-Generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Lightium/Simple-Rust-Name-Generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Lightium/Simple-Rust-Name-Generator" "work/ex/beta-1.38-1/sources/1.37.0/gh/Lightium/Simple-Rust-Name-Generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Lightium/Simple-Rust-Name-Generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Lightium/Simple-Rust-Name-Generator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lightium/Simple-Rust-Name-Generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lightium/Simple-Rust-Name-Generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e1d4af71503d4a36e1e2257e7cb4d6555ed37fa
[INFO] sha for GitHub repo Lightium/Simple-Rust-Name-Generator: 8e1d4af71503d4a36e1e2257e7cb4d6555ed37fa
[INFO] validating manifest of Lightium/Simple-Rust-Name-Generator 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 Lightium/Simple-Rust-Name-Generator 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 Lightium/Simple-Rust-Name-Generator
[INFO] finished frobbing Lightium/Simple-Rust-Name-Generator
[INFO] frobbed toml for Lightium/Simple-Rust-Name-Generator written to work/ex/beta-1.38-1/sources/1.37.0/gh/Lightium/Simple-Rust-Name-Generator/Cargo.toml
[INFO] started frobbing Lightium/Simple-Rust-Name-Generator
[INFO] finished frobbing Lightium/Simple-Rust-Name-Generator
[INFO] frobbed toml for Lightium/Simple-Rust-Name-Generator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Lightium/Simple-Rust-Name-Generator/Cargo.toml
[INFO] crate Lightium/Simple-Rust-Name-Generator 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 Lightium/Simple-Rust-Name-Generator 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Lightium/Simple-Rust-Name-Generator:/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] e2139dd142e40dd7e37a7e6340fb9b0195ad446ea49a637bcec3baa8aae6825f
[INFO] running `"docker" "start" "-a" "e2139dd142e40dd7e37a7e6340fb9b0195ad446ea49a637bcec3baa8aae6825f"`
[INFO] [stderr]    Compiling NameGenerator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `NameGenerator` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `name_generator`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "e2139dd142e40dd7e37a7e6340fb9b0195ad446ea49a637bcec3baa8aae6825f"`
[INFO] running `"docker" "rm" "-f" "e2139dd142e40dd7e37a7e6340fb9b0195ad446ea49a637bcec3baa8aae6825f"`
[INFO] [stdout] e2139dd142e40dd7e37a7e6340fb9b0195ad446ea49a637bcec3baa8aae6825f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Lightium/Simple-Rust-Name-Generator:/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] 0cbe7bd09614ba89d37b000644d131561d771db0438cbb0ad59968e6fa88eeb9
[INFO] running `"docker" "start" "-a" "0cbe7bd09614ba89d37b000644d131561d771db0438cbb0ad59968e6fa88eeb9"`
[INFO] [stderr]    Compiling NameGenerator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `NameGenerator` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `name_generator`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "0cbe7bd09614ba89d37b000644d131561d771db0438cbb0ad59968e6fa88eeb9"`
[INFO] running `"docker" "rm" "-f" "0cbe7bd09614ba89d37b000644d131561d771db0438cbb0ad59968e6fa88eeb9"`
[INFO] [stdout] 0cbe7bd09614ba89d37b000644d131561d771db0438cbb0ad59968e6fa88eeb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Lightium/Simple-Rust-Name-Generator:/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] 2eb1f26299a509866c6b106f595478b62ca67c79d2b4ca5ecbd082a1c36f2746
[INFO] running `"docker" "start" "-a" "2eb1f26299a509866c6b106f595478b62ca67c79d2b4ca5ecbd082a1c36f2746"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/NameGenerator-59263efad4f8d056
[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" "2eb1f26299a509866c6b106f595478b62ca67c79d2b4ca5ecbd082a1c36f2746"`
[INFO] running `"docker" "rm" "-f" "2eb1f26299a509866c6b106f595478b62ca67c79d2b4ca5ecbd082a1c36f2746"`
[INFO] [stdout] 2eb1f26299a509866c6b106f595478b62ca67c79d2b4ca5ecbd082a1c36f2746