[INFO] updating cached repository mayurdhaka-suryasoftware/test-rust-ci
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mayurdhaka-suryasoftware/test-rust-ci
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mayurdhaka-suryasoftware/test-rust-ci" "work/ex/beta-1.38-1/sources/1.37.0/gh/mayurdhaka-suryasoftware/test-rust-ci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mayurdhaka-suryasoftware/test-rust-ci'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mayurdhaka-suryasoftware/test-rust-ci" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mayurdhaka-suryasoftware/test-rust-ci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mayurdhaka-suryasoftware/test-rust-ci'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 868b7047ba97bec5149dcdea4f1e567ab73dfcb9
[INFO] sha for GitHub repo mayurdhaka-suryasoftware/test-rust-ci: 868b7047ba97bec5149dcdea4f1e567ab73dfcb9
[INFO] validating manifest of mayurdhaka-suryasoftware/test-rust-ci 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 mayurdhaka-suryasoftware/test-rust-ci 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 mayurdhaka-suryasoftware/test-rust-ci
[INFO] finished frobbing mayurdhaka-suryasoftware/test-rust-ci
[INFO] frobbed toml for mayurdhaka-suryasoftware/test-rust-ci written to work/ex/beta-1.38-1/sources/1.37.0/gh/mayurdhaka-suryasoftware/test-rust-ci/Cargo.toml
[INFO] started frobbing mayurdhaka-suryasoftware/test-rust-ci
[INFO] finished frobbing mayurdhaka-suryasoftware/test-rust-ci
[INFO] frobbed toml for mayurdhaka-suryasoftware/test-rust-ci written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mayurdhaka-suryasoftware/test-rust-ci/Cargo.toml
[INFO] crate mayurdhaka-suryasoftware/test-rust-ci 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 mayurdhaka-suryasoftware/test-rust-ci 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-6/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/mayurdhaka-suryasoftware/test-rust-ci:/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] 2e6482bc2836f4d40e79ca2461b5fdcc5b937ec1d99aed90e0860323945316cc
[INFO] running `"docker" "start" "-a" "2e6482bc2836f4d40e79ca2461b5fdcc5b937ec1d99aed90e0860323945316cc"`
[INFO] [stderr]    Compiling test-ci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `unusedFunction`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn unusedFunction() {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `unusedFunction` should have a snake case name
[INFO] [stderr]  --> src/main.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn unusedFunction() {}
[INFO] [stderr]   |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `unused_function`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "2e6482bc2836f4d40e79ca2461b5fdcc5b937ec1d99aed90e0860323945316cc"`
[INFO] running `"docker" "rm" "-f" "2e6482bc2836f4d40e79ca2461b5fdcc5b937ec1d99aed90e0860323945316cc"`
[INFO] [stdout] 2e6482bc2836f4d40e79ca2461b5fdcc5b937ec1d99aed90e0860323945316cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/mayurdhaka-suryasoftware/test-rust-ci:/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] 7496f60988cf3910502765f0ee67085d0faffa14b6d21f284a86f7ed884f3597
[INFO] running `"docker" "start" "-a" "7496f60988cf3910502765f0ee67085d0faffa14b6d21f284a86f7ed884f3597"`
[INFO] [stderr]    Compiling test-ci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `unusedFunction`
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn unusedFunction() {}
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `unusedFunction` should have a snake case name
[INFO] [stderr]  --> src/main.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn unusedFunction() {}
[INFO] [stderr]   |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `unused_function`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "7496f60988cf3910502765f0ee67085d0faffa14b6d21f284a86f7ed884f3597"`
[INFO] running `"docker" "rm" "-f" "7496f60988cf3910502765f0ee67085d0faffa14b6d21f284a86f7ed884f3597"`
[INFO] [stdout] 7496f60988cf3910502765f0ee67085d0faffa14b6d21f284a86f7ed884f3597
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/mayurdhaka-suryasoftware/test-rust-ci:/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] 1aa8985cb4ff8534f5d255dd7e4cb3c20c98958da877d96d7a746aea241611e4
[INFO] running `"docker" "start" "-a" "1aa8985cb4ff8534f5d255dd7e4cb3c20c98958da877d96d7a746aea241611e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_ci-5fb164d44ede5ce8
[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" "1aa8985cb4ff8534f5d255dd7e4cb3c20c98958da877d96d7a746aea241611e4"`
[INFO] running `"docker" "rm" "-f" "1aa8985cb4ff8534f5d255dd7e4cb3c20c98958da877d96d7a746aea241611e4"`
[INFO] [stdout] 1aa8985cb4ff8534f5d255dd7e4cb3c20c98958da877d96d7a746aea241611e4