[INFO] updating cached repository https://github.com/beyran11/MFTRust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b738afe0fbad5cd520cadeb04c9712c3d6cbae7
[INFO] testing beyran11/MFTRust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeyran11%2FMFTRust" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beyran11/MFTRust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/beyran11/MFTRust
[INFO] finished tweaking git repo https://github.com/beyran11/MFTRust
[INFO] tweaked toml for git repo https://github.com/beyran11/MFTRust written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/beyran11/MFTRust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] bda5ce0216eb63b3c2bdc27c7a303bb52773c07632c9986e27778e90564e39c3
[INFO] running `"docker" "start" "-a" "bda5ce0216eb63b3c2bdc27c7a303bb52773c07632c9986e27778e90564e39c3"`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling MFTRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `sum`
[INFO] [stderr]  --> src/main.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let sum = 5 + 10;
[INFO] [stderr]   |         ^^^ help: consider prefixing with an underscore: `_sum`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `difference`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let difference = 95.5 - 4.3;
[INFO] [stderr]   |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_difference`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `product`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let product = 4 * 30;
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_product`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tup`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let tup: (i32, f64, u8) = (500, 6.4, 1) ;
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_tup`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let first = a[0];
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_first`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let second = a[1];
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_second`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `months`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let months = ["January", "February", "March", "April", "May", "June", "July",
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_months`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MFTRust` 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: `mftrust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "bda5ce0216eb63b3c2bdc27c7a303bb52773c07632c9986e27778e90564e39c3"`
[INFO] running `"docker" "rm" "-f" "bda5ce0216eb63b3c2bdc27c7a303bb52773c07632c9986e27778e90564e39c3"`
[INFO] [stdout] bda5ce0216eb63b3c2bdc27c7a303bb52773c07632c9986e27778e90564e39c3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e38c4f13ad81ab83e7a117c9b33eb61020707b3e3062e07515da64b4c299c37c
[INFO] running `"docker" "start" "-a" "e38c4f13ad81ab83e7a117c9b33eb61020707b3e3062e07515da64b4c299c37c"`
[INFO] [stderr]    Compiling MFTRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `sum`
[INFO] [stderr]  --> src/main.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let sum = 5 + 10;
[INFO] [stderr]   |         ^^^ help: consider prefixing with an underscore: `_sum`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `difference`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let difference = 95.5 - 4.3;
[INFO] [stderr]   |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_difference`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `product`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let product = 4 * 30;
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_product`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tup`
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let tup: (i32, f64, u8) = (500, 6.4, 1) ;
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_tup`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let first = a[0];
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_first`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let second = a[1];
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_second`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `months`
[INFO] [stderr]   --> src/main.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let months = ["January", "February", "March", "April", "May", "June", "July",
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_months`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MFTRust` 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: `mftrust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "e38c4f13ad81ab83e7a117c9b33eb61020707b3e3062e07515da64b4c299c37c"`
[INFO] running `"docker" "rm" "-f" "e38c4f13ad81ab83e7a117c9b33eb61020707b3e3062e07515da64b4c299c37c"`
[INFO] [stdout] e38c4f13ad81ab83e7a117c9b33eb61020707b3e3062e07515da64b4c299c37c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] e11022acf5d615f7800f663d7f0db885c9090d53c7aa94b0e9936deafbab497f
[INFO] running `"docker" "start" "-a" "e11022acf5d615f7800f663d7f0db885c9090d53c7aa94b0e9936deafbab497f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/MFTRust-9599194fc8173f4b
[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" "e11022acf5d615f7800f663d7f0db885c9090d53c7aa94b0e9936deafbab497f"`
[INFO] running `"docker" "rm" "-f" "e11022acf5d615f7800f663d7f0db885c9090d53c7aa94b0e9936deafbab497f"`
[INFO] [stdout] e11022acf5d615f7800f663d7f0db885c9090d53c7aa94b0e9936deafbab497f