[INFO] cloning repository https://github.com/cypriansakwa/Fast_Powering_Big_Integers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cypriansakwa/Fast_Powering_Big_Integers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FFast_Powering_Big_Integers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FFast_Powering_Big_Integers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf822ce23bb57175e37d8461b11df6131aa8523b
[INFO] checking cypriansakwa/Fast_Powering_Big_Integers/cf822ce23bb57175e37d8461b11df6131aa8523b against master#59fd4ef94daa991e6797b5aa6127e824f3067def for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FFast_Powering_Big_Integers" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cypriansakwa/Fast_Powering_Big_Integers
[INFO] finished tweaking git repo https://github.com/cypriansakwa/Fast_Powering_Big_Integers
[INFO] tweaked toml for git repo https://github.com/cypriansakwa/Fast_Powering_Big_Integers written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cypriansakwa/Fast_Powering_Big_Integers on toolchain 59fd4ef94daa991e6797b5aa6127e824f3067def
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cypriansakwa/Fast_Powering_Big_Integers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc7989fb4fc08a84d3a2c56f4255664f87b03b0fa83ce6d1e216f67306b31b4a
[INFO] running `Command { std: "docker" "start" "-a" "bc7989fb4fc08a84d3a2c56f4255664f87b03b0fa83ce6d1e216f67306b31b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7989fb4fc08a84d3a2c56f4255664f87b03b0fa83ce6d1e216f67306b31b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7989fb4fc08a84d3a2c56f4255664f87b03b0fa83ce6d1e216f67306b31b4a", kill_on_drop: false }`
[INFO] [stdout] bc7989fb4fc08a84d3a2c56f4255664f87b03b0fa83ce6d1e216f67306b31b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+59fd4ef94daa991e6797b5aa6127e824f3067def" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bf2fe8b1343ec9ff4833126d36f1e964aee56ee215d0ffd3a26401622d4dcdf
[INFO] running `Command { std: "docker" "start" "-a" "0bf2fe8b1343ec9ff4833126d36f1e964aee56ee215d0ffd3a26401622d4dcdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking Fast_Powering_Algorithm_With_Big_Integers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "0bf2fe8b1343ec9ff4833126d36f1e964aee56ee215d0ffd3a26401622d4dcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf2fe8b1343ec9ff4833126d36f1e964aee56ee215d0ffd3a26401622d4dcdf", kill_on_drop: false }`
[INFO] [stdout] 0bf2fe8b1343ec9ff4833126d36f1e964aee56ee215d0ffd3a26401622d4dcdf