[INFO] cloning repository https://github.com/Jabir-Abbas/Assignment_7_2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jabir-Abbas/Assignment_7_2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJabir-Abbas%2FAssignment_7_2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJabir-Abbas%2FAssignment_7_2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 910af68ea59ad0dc318e7b9496a99427cdb06a4b
[INFO] testing Jabir-Abbas/Assignment_7_2 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJabir-Abbas%2FAssignment_7_2" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jabir-Abbas/Assignment_7_2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jabir-Abbas/Assignment_7_2
[INFO] finished tweaking git repo https://github.com/Jabir-Abbas/Assignment_7_2
[INFO] tweaked toml for git repo https://github.com/Jabir-Abbas/Assignment_7_2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Jabir-Abbas/Assignment_7_2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9394ba22f9435b0e13c5618e539f64dca2d5d3d5905c10557afe219d510c4aa
[INFO] running `Command { std: "docker" "start" "-a" "e9394ba22f9435b0e13c5618e539f64dca2d5d3d5905c10557afe219d510c4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9394ba22f9435b0e13c5618e539f64dca2d5d3d5905c10557afe219d510c4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9394ba22f9435b0e13c5618e539f64dca2d5d3d5905c10557afe219d510c4aa", kill_on_drop: false }`
[INFO] [stdout] e9394ba22f9435b0e13c5618e539f64dca2d5d3d5905c10557afe219d510c4aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa80730717c070f1c069722ab68530ffc32856ad31a58567aac9eb856db50513
[INFO] running `Command { std: "docker" "start" "-a" "aa80730717c070f1c069722ab68530ffc32856ad31a58567aac9eb856db50513", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling assignment_7_0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "aa80730717c070f1c069722ab68530ffc32856ad31a58567aac9eb856db50513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa80730717c070f1c069722ab68530ffc32856ad31a58567aac9eb856db50513", kill_on_drop: false }`
[INFO] [stdout] aa80730717c070f1c069722ab68530ffc32856ad31a58567aac9eb856db50513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20e3c0c455754976728d70594f243de34d0c9666321e681795fc821f62755c8a
[INFO] running `Command { std: "docker" "start" "-a" "20e3c0c455754976728d70594f243de34d0c9666321e681795fc821f62755c8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment_7_0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/assignment_7_0-f0cdcacaeaa68b50)
[INFO] running `Command { std: "docker" "inspect" "20e3c0c455754976728d70594f243de34d0c9666321e681795fc821f62755c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e3c0c455754976728d70594f243de34d0c9666321e681795fc821f62755c8a", kill_on_drop: false }`
[INFO] [stdout] 20e3c0c455754976728d70594f243de34d0c9666321e681795fc821f62755c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf7043b8a99cb0017d5c62449017edd0cac1fbcaafccee26a53acaa34f8408ca
[INFO] running `Command { std: "docker" "start" "-a" "bf7043b8a99cb0017d5c62449017edd0cac1fbcaafccee26a53acaa34f8408ca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/assignment_7_0-f0cdcacaeaa68b50)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf7043b8a99cb0017d5c62449017edd0cac1fbcaafccee26a53acaa34f8408ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7043b8a99cb0017d5c62449017edd0cac1fbcaafccee26a53acaa34f8408ca", kill_on_drop: false }`
[INFO] [stdout] bf7043b8a99cb0017d5c62449017edd0cac1fbcaafccee26a53acaa34f8408ca