[INFO] cloning repository https://github.com/akhilsadam/Optimization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akhilsadam/Optimization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakhilsadam%2FOptimization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakhilsadam%2FOptimization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab888cf1458609b5cdf180b08acb9d8469f305aa
[INFO] testing akhilsadam/Optimization against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakhilsadam%2FOptimization" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akhilsadam/Optimization on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akhilsadam/Optimization
[INFO] finished tweaking git repo https://github.com/akhilsadam/Optimization
[INFO] tweaked toml for git repo https://github.com/akhilsadam/Optimization written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/akhilsadam/Optimization already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1f66d86ecf719ae200ed3a10c1ee66aeb89bfe2a4d5a00693f64ecede77e782
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1f66d86ecf719ae200ed3a10c1ee66aeb89bfe2a4d5a00693f64ecede77e782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1f66d86ecf719ae200ed3a10c1ee66aeb89bfe2a4d5a00693f64ecede77e782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f66d86ecf719ae200ed3a10c1ee66aeb89bfe2a4d5a00693f64ecede77e782", kill_on_drop: false }`
[INFO] [stdout] d1f66d86ecf719ae200ed3a10c1ee66aeb89bfe2a4d5a00693f64ecede77e782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fce0c9cc9dc33605ca87ddbccc58ef9df8aa53b5c3378dd0c482deba47f2d5b6
[INFO] running `Command { std: "docker" "start" "-a" "fce0c9cc9dc33605ca87ddbccc58ef9df8aa53b5c3378dd0c482deba47f2d5b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `e`
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const e: f32 = 2.71828182845904523536028747135;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `e` should have an upper case name
[INFO] [stdout]  --> src/main.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const e: f32 = 2.71828182845904523536028747135;
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `E`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "fce0c9cc9dc33605ca87ddbccc58ef9df8aa53b5c3378dd0c482deba47f2d5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce0c9cc9dc33605ca87ddbccc58ef9df8aa53b5c3378dd0c482deba47f2d5b6", kill_on_drop: false }`
[INFO] [stdout] fce0c9cc9dc33605ca87ddbccc58ef9df8aa53b5c3378dd0c482deba47f2d5b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc0dc4d0152b7048d2769c8a0ddcd215a09e8798587e0dc63aee9abca31d8a0d
[INFO] running `Command { std: "docker" "start" "-a" "bc0dc4d0152b7048d2769c8a0ddcd215a09e8798587e0dc63aee9abca31d8a0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `e`
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const e: f32 = 2.71828182845904523536028747135;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `e` should have an upper case name
[INFO] [stdout]  --> src/main.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const e: f32 = 2.71828182845904523536028747135;
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `E`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "bc0dc4d0152b7048d2769c8a0ddcd215a09e8798587e0dc63aee9abca31d8a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0dc4d0152b7048d2769c8a0ddcd215a09e8798587e0dc63aee9abca31d8a0d", kill_on_drop: false }`
[INFO] [stdout] bc0dc4d0152b7048d2769c8a0ddcd215a09e8798587e0dc63aee9abca31d8a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3dca5dec4b1f208a811db1f51d0169014b6f279ba31af8e7d6adda11a3e81200
[INFO] running `Command { std: "docker" "start" "-a" "3dca5dec4b1f208a811db1f51d0169014b6f279ba31af8e7d6adda11a3e81200", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: constant is never used: `e`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | const e: f32 = 2.71828182845904523536028747135;
[INFO] [stdout] 
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `e` should have an upper case name
[INFO] [stderr]  --> src/main.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const e: f32 = 2.71828182845904523536028747135;
[INFO] [stderr]   |       ^ help: convert the identifier to upper case: `E`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `optimization` (bin "optimization" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/optimization-e3b69189b8849b1b)
[INFO] running `Command { std: "docker" "inspect" "3dca5dec4b1f208a811db1f51d0169014b6f279ba31af8e7d6adda11a3e81200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dca5dec4b1f208a811db1f51d0169014b6f279ba31af8e7d6adda11a3e81200", kill_on_drop: false }`
[INFO] [stdout] 3dca5dec4b1f208a811db1f51d0169014b6f279ba31af8e7d6adda11a3e81200