[INFO] updating cached repository MuhammadAliKhan1/Rust-Struct-Implementation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MuhammadAliKhan1/Rust-Struct-Implementation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MuhammadAliKhan1/Rust-Struct-Implementation" "work/ex/beta-1.38-1/sources/1.37.0/gh/MuhammadAliKhan1/Rust-Struct-Implementation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MuhammadAliKhan1/Rust-Struct-Implementation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MuhammadAliKhan1/Rust-Struct-Implementation" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MuhammadAliKhan1/Rust-Struct-Implementation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MuhammadAliKhan1/Rust-Struct-Implementation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 344b1a9e56eef6ed20f574ddc141cac98e3d3991
[INFO] sha for GitHub repo MuhammadAliKhan1/Rust-Struct-Implementation: 344b1a9e56eef6ed20f574ddc141cac98e3d3991
[INFO] validating manifest of MuhammadAliKhan1/Rust-Struct-Implementation 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 MuhammadAliKhan1/Rust-Struct-Implementation 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 MuhammadAliKhan1/Rust-Struct-Implementation
[INFO] finished frobbing MuhammadAliKhan1/Rust-Struct-Implementation
[INFO] frobbed toml for MuhammadAliKhan1/Rust-Struct-Implementation written to work/ex/beta-1.38-1/sources/1.37.0/gh/MuhammadAliKhan1/Rust-Struct-Implementation/Cargo.toml
[INFO] started frobbing MuhammadAliKhan1/Rust-Struct-Implementation
[INFO] finished frobbing MuhammadAliKhan1/Rust-Struct-Implementation
[INFO] frobbed toml for MuhammadAliKhan1/Rust-Struct-Implementation written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MuhammadAliKhan1/Rust-Struct-Implementation/Cargo.toml
[INFO] crate MuhammadAliKhan1/Rust-Struct-Implementation 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 MuhammadAliKhan1/Rust-Struct-Implementation 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MuhammadAliKhan1/Rust-Struct-Implementation:/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] 2c21d8a3d0f76798d693866267250b244ac840588f9de41ea3829fb5a71a0b92
[INFO] running `"docker" "start" "-a" "2c21d8a3d0f76798d693866267250b244ac840588f9de41ea3829fb5a71a0b92"`
[INFO] [stderr]    Compiling Rectangle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Rectangle` 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: `rectangle`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "2c21d8a3d0f76798d693866267250b244ac840588f9de41ea3829fb5a71a0b92"`
[INFO] running `"docker" "rm" "-f" "2c21d8a3d0f76798d693866267250b244ac840588f9de41ea3829fb5a71a0b92"`
[INFO] [stdout] 2c21d8a3d0f76798d693866267250b244ac840588f9de41ea3829fb5a71a0b92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MuhammadAliKhan1/Rust-Struct-Implementation:/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] f60aa9b42bcaebbfa88f9445cfb000d5a9f0456d891accda1380d2c91f948489
[INFO] running `"docker" "start" "-a" "f60aa9b42bcaebbfa88f9445cfb000d5a9f0456d891accda1380d2c91f948489"`
[INFO] [stderr]    Compiling Rectangle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Rectangle` 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: `rectangle`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "f60aa9b42bcaebbfa88f9445cfb000d5a9f0456d891accda1380d2c91f948489"`
[INFO] running `"docker" "rm" "-f" "f60aa9b42bcaebbfa88f9445cfb000d5a9f0456d891accda1380d2c91f948489"`
[INFO] [stdout] f60aa9b42bcaebbfa88f9445cfb000d5a9f0456d891accda1380d2c91f948489
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MuhammadAliKhan1/Rust-Struct-Implementation:/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] 556c8494ab0c7ff14e0dd8d13e46d3850fef2b74420d76c987618301121be459
[INFO] running `"docker" "start" "-a" "556c8494ab0c7ff14e0dd8d13e46d3850fef2b74420d76c987618301121be459"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Rectangle-7370575ac1709ab3
[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" "556c8494ab0c7ff14e0dd8d13e46d3850fef2b74420d76c987618301121be459"`
[INFO] running `"docker" "rm" "-f" "556c8494ab0c7ff14e0dd8d13e46d3850fef2b74420d76c987618301121be459"`
[INFO] [stdout] 556c8494ab0c7ff14e0dd8d13e46d3850fef2b74420d76c987618301121be459