[INFO] cloning repository https://github.com/shahabkahn/assignment-7c
[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-7c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahabkahn%2Fassignment-7c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahabkahn%2Fassignment-7c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd00c986b527b51b77907f32aeed863c75ea21a
[INFO] testing shahabkahn/assignment-7c 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-7c" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shahabkahn/assignment-7c 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-7c
[INFO] finished tweaking git repo https://github.com/shahabkahn/assignment-7c
[INFO] tweaked toml for git repo https://github.com/shahabkahn/assignment-7c written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/shahabkahn/assignment-7c 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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 2a6d0c063f8145da3c8bf8638f99f6a7652f42a0aedf2e620813e19a5c69c187
[INFO] running `Command { std: "docker" "start" "-a" "2a6d0c063f8145da3c8bf8638f99f6a7652f42a0aedf2e620813e19a5c69c187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a6d0c063f8145da3c8bf8638f99f6a7652f42a0aedf2e620813e19a5c69c187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a6d0c063f8145da3c8bf8638f99f6a7652f42a0aedf2e620813e19a5c69c187", kill_on_drop: false }`
[INFO] [stdout] 2a6d0c063f8145da3c8bf8638f99f6a7652f42a0aedf2e620813e19a5c69c187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] a80c68866f1db4f96043014312080a29a9d6a72c4a259dee9c660fd366200f3f
[INFO] running `Command { std: "docker" "start" "-a" "a80c68866f1db4f96043014312080a29a9d6a72c4a259dee9c660fd366200f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment7c v0.1.0 (/opt/rustwide/workdir/assignment7c)
[INFO] [stderr]    Compiling assignment-7c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "a80c68866f1db4f96043014312080a29a9d6a72c4a259dee9c660fd366200f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80c68866f1db4f96043014312080a29a9d6a72c4a259dee9c660fd366200f3f", kill_on_drop: false }`
[INFO] [stdout] a80c68866f1db4f96043014312080a29a9d6a72c4a259dee9c660fd366200f3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 7214621d1c5c52977566b6da5762559f47904991d707013994b2fbca2cc66805
[INFO] running `Command { std: "docker" "start" "-a" "7214621d1c5c52977566b6da5762559f47904991d707013994b2fbca2cc66805", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment-7c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/assignment_7c-96416342dfc85011)
[INFO] running `Command { std: "docker" "inspect" "7214621d1c5c52977566b6da5762559f47904991d707013994b2fbca2cc66805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7214621d1c5c52977566b6da5762559f47904991d707013994b2fbca2cc66805", kill_on_drop: false }`
[INFO] [stdout] 7214621d1c5c52977566b6da5762559f47904991d707013994b2fbca2cc66805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] bc0fbc01a7944b1a0e0334de9f98cc0e588ddb142b7a13960185f8226e0d6aac
[INFO] running `Command { std: "docker" "start" "-a" "bc0fbc01a7944b1a0e0334de9f98cc0e588ddb142b7a13960185f8226e0d6aac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.92s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/assignment_7c-96416342dfc85011)
[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" "bc0fbc01a7944b1a0e0334de9f98cc0e588ddb142b7a13960185f8226e0d6aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0fbc01a7944b1a0e0334de9f98cc0e588ddb142b7a13960185f8226e0d6aac", kill_on_drop: false }`
[INFO] [stdout] bc0fbc01a7944b1a0e0334de9f98cc0e588ddb142b7a13960185f8226e0d6aac