[INFO] updating cached repository CV001A/Hello_world_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CV001A/Hello_world_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CV001A/Hello_world_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/CV001A/Hello_world_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/CV001A/Hello_world_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CV001A/Hello_world_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CV001A/Hello_world_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CV001A/Hello_world_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0f4222b035221aed741e37800e8c3f77076d44b5
[INFO] sha for GitHub repo CV001A/Hello_world_rust: 0f4222b035221aed741e37800e8c3f77076d44b5
[INFO] validating manifest of CV001A/Hello_world_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 CV001A/Hello_world_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 CV001A/Hello_world_rust
[INFO] finished frobbing CV001A/Hello_world_rust
[INFO] frobbed toml for CV001A/Hello_world_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/CV001A/Hello_world_rust/Cargo.toml
[INFO] started frobbing CV001A/Hello_world_rust
[INFO] finished frobbing CV001A/Hello_world_rust
[INFO] frobbed toml for CV001A/Hello_world_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CV001A/Hello_world_rust/Cargo.toml
[INFO] crate CV001A/Hello_world_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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing CV001A/Hello_world_rust 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/CV001A/Hello_world_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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9f0f9a34538fc790e89488a3fd5049bac2f66d5c6efbaca2040d97d5ce744a1c
[INFO] running `"docker" "start" "-a" "9f0f9a34538fc790e89488a3fd5049bac2f66d5c6efbaca2040d97d5ce744a1c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling Hello_world_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Hello_world_rust` 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: `hello_world_rust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "9f0f9a34538fc790e89488a3fd5049bac2f66d5c6efbaca2040d97d5ce744a1c"`
[INFO] running `"docker" "rm" "-f" "9f0f9a34538fc790e89488a3fd5049bac2f66d5c6efbaca2040d97d5ce744a1c"`
[INFO] [stdout] 9f0f9a34538fc790e89488a3fd5049bac2f66d5c6efbaca2040d97d5ce744a1c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/CV001A/Hello_world_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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d8801ece93c6df84447834b88b55441266e244bcaecf4c04ee1fe59aa5693b5d
[INFO] running `"docker" "start" "-a" "d8801ece93c6df84447834b88b55441266e244bcaecf4c04ee1fe59aa5693b5d"`
[INFO] [stderr]    Compiling Hello_world_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `Hello_world_rust` 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: `hello_world_rust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "d8801ece93c6df84447834b88b55441266e244bcaecf4c04ee1fe59aa5693b5d"`
[INFO] running `"docker" "rm" "-f" "d8801ece93c6df84447834b88b55441266e244bcaecf4c04ee1fe59aa5693b5d"`
[INFO] [stdout] d8801ece93c6df84447834b88b55441266e244bcaecf4c04ee1fe59aa5693b5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/CV001A/Hello_world_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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] d6b64b5002b361e5765f22c155d9c73ea3c32880c5890f1baf3ac7874103f22b
[INFO] running `"docker" "start" "-a" "d6b64b5002b361e5765f22c155d9c73ea3c32880c5890f1baf3ac7874103f22b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Hello_world_rust-a209f0220dbd8d90
[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" "d6b64b5002b361e5765f22c155d9c73ea3c32880c5890f1baf3ac7874103f22b"`
[INFO] running `"docker" "rm" "-f" "d6b64b5002b361e5765f22c155d9c73ea3c32880c5890f1baf3ac7874103f22b"`
[INFO] [stdout] d6b64b5002b361e5765f22c155d9c73ea3c32880c5890f1baf3ac7874103f22b