[INFO] cloning repository https://github.com/upenn-cis198-2018f/Lecture6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/upenn-cis198-2018f/Lecture6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupenn-cis198-2018f%2FLecture6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupenn-cis198-2018f%2FLecture6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a095ded29421886fed129ceb8acfa986ad63c8f8
[INFO] testing upenn-cis198-2018f/Lecture6 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%2Fupenn-cis198-2018f%2FLecture6" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/upenn-cis198-2018f/Lecture6 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/upenn-cis198-2018f/Lecture6
[INFO] finished tweaking git repo https://github.com/upenn-cis198-2018f/Lecture6
[INFO] tweaked toml for git repo https://github.com/upenn-cis198-2018f/Lecture6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/upenn-cis198-2018f/Lecture6 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0efd47107d8e1830025726934f047db774fe4babb55cf960bd1e709cd1ae5969
[INFO] running `Command { std: "docker" "start" "-a" "0efd47107d8e1830025726934f047db774fe4babb55cf960bd1e709cd1ae5969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0efd47107d8e1830025726934f047db774fe4babb55cf960bd1e709cd1ae5969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efd47107d8e1830025726934f047db774fe4babb55cf960bd1e709cd1ae5969", kill_on_drop: false }`
[INFO] [stdout] 0efd47107d8e1830025726934f047db774fe4babb55cf960bd1e709cd1ae5969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 81333e132ae81215a7781c6f22efc577882aad67272807afca5c6f12000d4037
[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" "81333e132ae81215a7781c6f22efc577882aad67272807afca5c6f12000d4037", kill_on_drop: false }`
[INFO] [stderr]    Compiling lecture6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/generics.rs:167:24
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn has_edge(&self, &N, &N) -> bool;
[INFO] [stdout]     |                        ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/generics.rs:167:28
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn has_edge(&self, &N, &N) -> bool;
[INFO] [stdout]     |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/more_utility_traits.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |     fn from(T) -> Self;
[INFO] [stdout]     |             ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "81333e132ae81215a7781c6f22efc577882aad67272807afca5c6f12000d4037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81333e132ae81215a7781c6f22efc577882aad67272807afca5c6f12000d4037", kill_on_drop: false }`
[INFO] [stdout] 81333e132ae81215a7781c6f22efc577882aad67272807afca5c6f12000d4037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a6f02084b6c1066858a4ae0ec5c29be97975576fe340fa8c532e2f807a45d7b7
[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" "a6f02084b6c1066858a4ae0ec5c29be97975576fe340fa8c532e2f807a45d7b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lecture6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/generics.rs:167:24
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn has_edge(&self, &N, &N) -> bool;
[INFO] [stdout]     |                        ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/generics.rs:167:28
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn has_edge(&self, &N, &N) -> bool;
[INFO] [stdout]     |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/more_utility_traits.rs:245:13
[INFO] [stdout]     |
[INFO] [stdout] 245 |     fn from(T) -> Self;
[INFO] [stdout]     |             ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a1`
[INFO] [stdout]    --> src/traits.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |     let a1: AddressBook = Default::default();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a2`
[INFO] [stdout]    --> src/traits.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let a2 = AddressBook::default();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "a6f02084b6c1066858a4ae0ec5c29be97975576fe340fa8c532e2f807a45d7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f02084b6c1066858a4ae0ec5c29be97975576fe340fa8c532e2f807a45d7b7", kill_on_drop: false }`
[INFO] [stdout] a6f02084b6c1066858a4ae0ec5c29be97975576fe340fa8c532e2f807a45d7b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 805eeba84b85e19e770c8ab28e118cf238c1bbbee5a3194250afc0f5ecc26531
[INFO] running `Command { std: "docker" "start" "-a" "805eeba84b85e19e770c8ab28e118cf238c1bbbee5a3194250afc0f5ecc26531", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/generics.rs:167:24
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn has_edge(&self, &N, &N) -> bool;
[INFO] [stderr]     |                        ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/generics.rs:167:28
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn has_edge(&self, &N, &N) -> bool;
[INFO] [stderr]     |                            ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/more_utility_traits.rs:245:13
[INFO] [stderr]     |
[INFO] [stderr] 245 |     fn from(T) -> Self;
[INFO] [stderr]     |             ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a1`
[INFO] [stderr]    --> src/traits.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 |     let a1: AddressBook = Default::default();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a2`
[INFO] [stderr]    --> src/traits.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let a2 = AddressBook::default();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_a2`
[INFO] [stderr] 
[INFO] [stderr] warning: `lecture6` (bin "lecture6" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lecture6-455565f6b782a289)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test traits::test_address_book_default ... ok
[INFO] [stdout] test traits::test_assert_eq_person ... ok
[INFO] [stdout] test traits::test_display_person ... ok
[INFO] [stdout] test traits::test_from_into ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "805eeba84b85e19e770c8ab28e118cf238c1bbbee5a3194250afc0f5ecc26531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805eeba84b85e19e770c8ab28e118cf238c1bbbee5a3194250afc0f5ecc26531", kill_on_drop: false }`
[INFO] [stdout] 805eeba84b85e19e770c8ab28e118cf238c1bbbee5a3194250afc0f5ecc26531