[INFO] cloning repository https://github.com/Nida759/FnOnce-Assignment-3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nida759/FnOnce-Assignment-3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNida759%2FFnOnce-Assignment-3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNida759%2FFnOnce-Assignment-3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a084e3425414949392f2833114e003b41728de16
[INFO] testing Nida759/FnOnce-Assignment-3 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNida759%2FFnOnce-Assignment-3" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nida759/FnOnce-Assignment-3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nida759/FnOnce-Assignment-3
[INFO] finished tweaking git repo https://github.com/Nida759/FnOnce-Assignment-3
[INFO] tweaked toml for git repo https://github.com/Nida759/FnOnce-Assignment-3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Nida759/FnOnce-Assignment-3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c39a6c7feb71f7e78666bb114959253a093d1199e46b8fd6f2d39d2b1d8e0ac0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c39a6c7feb71f7e78666bb114959253a093d1199e46b8fd6f2d39d2b1d8e0ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c39a6c7feb71f7e78666bb114959253a093d1199e46b8fd6f2d39d2b1d8e0ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39a6c7feb71f7e78666bb114959253a093d1199e46b8fd6f2d39d2b1d8e0ac0", kill_on_drop: false }`
[INFO] [stdout] c39a6c7feb71f7e78666bb114959253a093d1199e46b8fd6f2d39d2b1d8e0ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 475b7ed59f8781ae05ede1be3c5882d5c98982ab13249bd45be0ba30dcc6585b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "475b7ed59f8781ae05ede1be3c5882d5c98982ab13249bd45be0ba30dcc6585b", kill_on_drop: false }`
[INFO] [stderr]    Compiling Assignment_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Assignment_3` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `assignment_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "475b7ed59f8781ae05ede1be3c5882d5c98982ab13249bd45be0ba30dcc6585b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475b7ed59f8781ae05ede1be3c5882d5c98982ab13249bd45be0ba30dcc6585b", kill_on_drop: false }`
[INFO] [stdout] 475b7ed59f8781ae05ede1be3c5882d5c98982ab13249bd45be0ba30dcc6585b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ad42ab3913d48bd1c89b993415eafaf1683b4d9067955f93949ee45e68cfef1
[INFO] running `Command { std: "docker" "start" "-a" "6ad42ab3913d48bd1c89b993415eafaf1683b4d9067955f93949ee45e68cfef1", kill_on_drop: false }`
[INFO] [stderr]    Compiling Assignment_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Assignment_3` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `assignment_3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "6ad42ab3913d48bd1c89b993415eafaf1683b4d9067955f93949ee45e68cfef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad42ab3913d48bd1c89b993415eafaf1683b4d9067955f93949ee45e68cfef1", kill_on_drop: false }`
[INFO] [stdout] 6ad42ab3913d48bd1c89b993415eafaf1683b4d9067955f93949ee45e68cfef1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3681ef45ccbf1ae106bb2d1449a99b6ffdd864b267f364b3ebb66768e565b4b6
[INFO] running `Command { std: "docker" "start" "-a" "3681ef45ccbf1ae106bb2d1449a99b6ffdd864b267f364b3ebb66768e565b4b6", kill_on_drop: false }`
[INFO] [stderr] warning: crate `Assignment_3` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `assignment_3`
[INFO] [stderr] 
[INFO] [stderr] warning: `Assignment_3` (bin "Assignment_3" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Assignment_3-0a37510d946c1fff)
[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" "3681ef45ccbf1ae106bb2d1449a99b6ffdd864b267f364b3ebb66768e565b4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3681ef45ccbf1ae106bb2d1449a99b6ffdd864b267f364b3ebb66768e565b4b6", kill_on_drop: false }`
[INFO] [stdout] 3681ef45ccbf1ae106bb2d1449a99b6ffdd864b267f364b3ebb66768e565b4b6