[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] building akhilsadam/Optimization against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakhilsadam%2FOptimization" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akhilsadam/Optimization on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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-21/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" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 354394a94870387409cd5827d711f2670770feffec98eee2394a0629963ee682
[INFO] running `Command { std: "docker" "start" "-a" "354394a94870387409cd5827d711f2670770feffec98eee2394a0629963ee682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "354394a94870387409cd5827d711f2670770feffec98eee2394a0629963ee682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354394a94870387409cd5827d711f2670770feffec98eee2394a0629963ee682", kill_on_drop: false }`
[INFO] [stdout] 354394a94870387409cd5827d711f2670770feffec98eee2394a0629963ee682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=forbid" "-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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f47f89597b4b9dd6a52a22c86d5077ff86bda492010782d956d216151a2055f
[INFO] running `Command { std: "docker" "start" "-a" "8f47f89597b4b9dd6a52a22c86d5077ff86bda492010782d956d216151a2055f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling time v0.1.42
[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 2.25s
[INFO] running `Command { std: "docker" "inspect" "8f47f89597b4b9dd6a52a22c86d5077ff86bda492010782d956d216151a2055f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f47f89597b4b9dd6a52a22c86d5077ff86bda492010782d956d216151a2055f", kill_on_drop: false }`
[INFO] [stdout] 8f47f89597b4b9dd6a52a22c86d5077ff86bda492010782d956d216151a2055f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=forbid" "-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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f545dfb9d62fb8f17000952ebbfd617f35b69b3933168a50a8d3e083a4576332
[INFO] running `Command { std: "docker" "start" "-a" "f545dfb9d62fb8f17000952ebbfd617f35b69b3933168a50a8d3e083a4576332", 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 0.69s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/optimization-8fa9e45ffd9f8bfc)
[INFO] running `Command { std: "docker" "inspect" "f545dfb9d62fb8f17000952ebbfd617f35b69b3933168a50a8d3e083a4576332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f545dfb9d62fb8f17000952ebbfd617f35b69b3933168a50a8d3e083a4576332", kill_on_drop: false }`
[INFO] [stdout] f545dfb9d62fb8f17000952ebbfd617f35b69b3933168a50a8d3e083a4576332