[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 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-5/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 187f155d967e946e18184af057ce64a5c964148c2dae4060dffbc11dbceedd16
[INFO] running `"docker" "start" "-a" "187f155d967e946e18184af057ce64a5c964148c2dae4060dffbc11dbceedd16"`
[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 1.10s
[INFO] running `"docker" "inspect" "187f155d967e946e18184af057ce64a5c964148c2dae4060dffbc11dbceedd16"`
[INFO] running `"docker" "rm" "-f" "187f155d967e946e18184af057ce64a5c964148c2dae4060dffbc11dbceedd16"`
[INFO] [stdout] 187f155d967e946e18184af057ce64a5c964148c2dae4060dffbc11dbceedd16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 254b0854d657a6da76d0911ca24badcd76c6eb047f11b78b86b1db6d924dd11f
[INFO] running `"docker" "start" "-a" "254b0854d657a6da76d0911ca24badcd76c6eb047f11b78b86b1db6d924dd11f"`
[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 0.72s
[INFO] running `"docker" "inspect" "254b0854d657a6da76d0911ca24badcd76c6eb047f11b78b86b1db6d924dd11f"`
[INFO] running `"docker" "rm" "-f" "254b0854d657a6da76d0911ca24badcd76c6eb047f11b78b86b1db6d924dd11f"`
[INFO] [stdout] 254b0854d657a6da76d0911ca24badcd76c6eb047f11b78b86b1db6d924dd11f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 66f32fcd4f461507f93fe5489597ea1906f64515f5e1eb1484f567a821043185
[INFO] running `"docker" "start" "-a" "66f32fcd4f461507f93fe5489597ea1906f64515f5e1eb1484f567a821043185"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/NameGenerator-94a4df5ea50e90a7
[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" "66f32fcd4f461507f93fe5489597ea1906f64515f5e1eb1484f567a821043185"`
[INFO] running `"docker" "rm" "-f" "66f32fcd4f461507f93fe5489597ea1906f64515f5e1eb1484f567a821043185"`
[INFO] [stdout] 66f32fcd4f461507f93fe5489597ea1906f64515f5e1eb1484f567a821043185