[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-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahabkahn%2Fassignment-7a" "/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/shahabkahn/assignment-7a 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/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-9/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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3742b2fad26d3bf27f40c6e50439b9b6490728641e681eb2602b16121106a39
[INFO] running `Command { std: "docker" "start" "-a" "f3742b2fad26d3bf27f40c6e50439b9b6490728641e681eb2602b16121106a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3742b2fad26d3bf27f40c6e50439b9b6490728641e681eb2602b16121106a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3742b2fad26d3bf27f40c6e50439b9b6490728641e681eb2602b16121106a39", kill_on_drop: false }`
[INFO] [stdout] f3742b2fad26d3bf27f40c6e50439b9b6490728641e681eb2602b16121106a39
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc2a29029ea9510210e3182871f8d33f9f5ce833526ca15b49a5249b34b9e08d
[INFO] running `Command { std: "docker" "start" "-a" "bc2a29029ea9510210e3182871f8d33f9f5ce833526ca15b49a5249b34b9e08d", 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 7.30s
[INFO] running `Command { std: "docker" "inspect" "bc2a29029ea9510210e3182871f8d33f9f5ce833526ca15b49a5249b34b9e08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2a29029ea9510210e3182871f8d33f9f5ce833526ca15b49a5249b34b9e08d", kill_on_drop: false }`
[INFO] [stdout] bc2a29029ea9510210e3182871f8d33f9f5ce833526ca15b49a5249b34b9e08d
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c38de1d31ab8f509215a512800df47ef0e8d3f21b158f5454fb591bdbc2fcc66
[INFO] running `Command { std: "docker" "start" "-a" "c38de1d31ab8f509215a512800df47ef0e8d3f21b158f5454fb591bdbc2fcc66", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment-7a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/assignment_7a-9db54ef3cdff16c5)
[INFO] running `Command { std: "docker" "inspect" "c38de1d31ab8f509215a512800df47ef0e8d3f21b158f5454fb591bdbc2fcc66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38de1d31ab8f509215a512800df47ef0e8d3f21b158f5454fb591bdbc2fcc66", kill_on_drop: false }`
[INFO] [stdout] c38de1d31ab8f509215a512800df47ef0e8d3f21b158f5454fb591bdbc2fcc66
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b0e147f0d9b8b6b753d0caf011a9cb5aedd2a613e615a9071d3a14151f82abb
[INFO] running `Command { std: "docker" "start" "-a" "7b0e147f0d9b8b6b753d0caf011a9cb5aedd2a613e615a9071d3a14151f82abb", 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_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" "7b0e147f0d9b8b6b753d0caf011a9cb5aedd2a613e615a9071d3a14151f82abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0e147f0d9b8b6b753d0caf011a9cb5aedd2a613e615a9071d3a14151f82abb", kill_on_drop: false }`
[INFO] [stdout] 7b0e147f0d9b8b6b753d0caf011a9cb5aedd2a613e615a9071d3a14151f82abb