[INFO] cloning repository https://github.com/shahabkahn/assignment-7a
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shahabkahn/assignment-7a" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahabkahn%2Fassignment-7a", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahabkahn%2Fassignment-7a'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3486f9dba7045c350a167c3da5680b9ea829932f
[INFO] testing shahabkahn/assignment-7a against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahabkahn%2Fassignment-7a" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shahabkahn/assignment-7a on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shahabkahn/assignment-7a
[INFO] finished tweaking git repo https://github.com/shahabkahn/assignment-7a
[INFO] tweaked toml for git repo https://github.com/shahabkahn/assignment-7a written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/shahabkahn/assignment-7a already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca5f1bcb0582dbb7ec42eac24315ee67f98a32c1199174aadacad4bc9cb4ff9d
[INFO] running `Command { std: "docker" "start" "-a" "ca5f1bcb0582dbb7ec42eac24315ee67f98a32c1199174aadacad4bc9cb4ff9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca5f1bcb0582dbb7ec42eac24315ee67f98a32c1199174aadacad4bc9cb4ff9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5f1bcb0582dbb7ec42eac24315ee67f98a32c1199174aadacad4bc9cb4ff9d", kill_on_drop: false }`
[INFO] [stdout] ca5f1bcb0582dbb7ec42eac24315ee67f98a32c1199174aadacad4bc9cb4ff9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a85a088c6097570aa348277e6d8934aa076e9b251610fd8eb1d20a3032f9cfb
[INFO] running `Command { std: "docker" "start" "-a" "8a85a088c6097570aa348277e6d8934aa076e9b251610fd8eb1d20a3032f9cfb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling assignment-7a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "8a85a088c6097570aa348277e6d8934aa076e9b251610fd8eb1d20a3032f9cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a85a088c6097570aa348277e6d8934aa076e9b251610fd8eb1d20a3032f9cfb", kill_on_drop: false }`
[INFO] [stdout] 8a85a088c6097570aa348277e6d8934aa076e9b251610fd8eb1d20a3032f9cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b73c3304490e2abce0fee89391d5a6304529d09bb42fe64413aa58f3d3e4dd1
[INFO] running `Command { std: "docker" "start" "-a" "6b73c3304490e2abce0fee89391d5a6304529d09bb42fe64413aa58f3d3e4dd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment-7a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "6b73c3304490e2abce0fee89391d5a6304529d09bb42fe64413aa58f3d3e4dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b73c3304490e2abce0fee89391d5a6304529d09bb42fe64413aa58f3d3e4dd1", kill_on_drop: false }`
[INFO] [stdout] 6b73c3304490e2abce0fee89391d5a6304529d09bb42fe64413aa58f3d3e4dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d082759f93b5141618481f0e095584ba7282ffeee566dfce6acf7d40dd84cda1
[INFO] running `Command { std: "docker" "start" "-a" "d082759f93b5141618481f0e095584ba7282ffeee566dfce6acf7d40dd84cda1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/assignment_7a-9db54ef3cdff16c5)
[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" "d082759f93b5141618481f0e095584ba7282ffeee566dfce6acf7d40dd84cda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d082759f93b5141618481f0e095584ba7282ffeee566dfce6acf7d40dd84cda1", kill_on_drop: false }`
[INFO] [stdout] d082759f93b5141618481f0e095584ba7282ffeee566dfce6acf7d40dd84cda1