[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupenn-cis198-2018f%2FLecture6" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/upenn-cis198-2018f/Lecture6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-95/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e505ce7d9e3f454031a790468b5b76454a572f49e38d90c737bef3be70c36795
[INFO] running `Command { std: "docker" "start" "-a" "e505ce7d9e3f454031a790468b5b76454a572f49e38d90c737bef3be70c36795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e505ce7d9e3f454031a790468b5b76454a572f49e38d90c737bef3be70c36795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e505ce7d9e3f454031a790468b5b76454a572f49e38d90c737bef3be70c36795", kill_on_drop: false }`
[INFO] [stdout] e505ce7d9e3f454031a790468b5b76454a572f49e38d90c737bef3be70c36795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d2f79a9c85ffe57fb066afd5999ae78c3190b306f1cd66f7b153149aab39e33
[INFO] running `Command { std: "docker" "start" "-a" "6d2f79a9c85ffe57fb066afd5999ae78c3190b306f1cd66f7b153149aab39e33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 3.50s
[INFO] running `Command { std: "docker" "inspect" "6d2f79a9c85ffe57fb066afd5999ae78c3190b306f1cd66f7b153149aab39e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2f79a9c85ffe57fb066afd5999ae78c3190b306f1cd66f7b153149aab39e33", kill_on_drop: false }`
[INFO] [stdout] 6d2f79a9c85ffe57fb066afd5999ae78c3190b306f1cd66f7b153149aab39e33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d0ce3b8795019d41d997fdda70fa13a8b812ef19a533e8a162b8f0275978b49
[INFO] running `Command { std: "docker" "start" "-a" "7d0ce3b8795019d41d997fdda70fa13a8b812ef19a533e8a162b8f0275978b49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 8.12s
[INFO] running `Command { std: "docker" "inspect" "7d0ce3b8795019d41d997fdda70fa13a8b812ef19a533e8a162b8f0275978b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0ce3b8795019d41d997fdda70fa13a8b812ef19a533e8a162b8f0275978b49", kill_on_drop: false }`
[INFO] [stdout] 7d0ce3b8795019d41d997fdda70fa13a8b812ef19a533e8a162b8f0275978b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b58db86787bf05749d8ab3420954a88206e78e88cabcfe8c0fab890e165437b9
[INFO] running `Command { std: "docker" "start" "-a" "b58db86787bf05749d8ab3420954a88206e78e88cabcfe8c0fab890e165437b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout] 
[INFO] [stderr]    --> src/generics.rs:167:24
[INFO] [stdout] running 4 tests
[INFO] [stderr]     |
[INFO] [stdout] test traits::test_address_book_default ... ok
[INFO] [stderr] 167 |     fn has_edge(&self, &N, &N) -> bool;
[INFO] [stdout] test traits::test_assert_eq_person ... ok
[INFO] [stderr]     |                        ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stdout] test traits::test_display_person ... ok
[INFO] [stderr]     |
[INFO] [stdout] test traits::test_from_into ... ok
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[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 7.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lecture6-ac2ef7d4e403294c)
[INFO] running `Command { std: "docker" "inspect" "b58db86787bf05749d8ab3420954a88206e78e88cabcfe8c0fab890e165437b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58db86787bf05749d8ab3420954a88206e78e88cabcfe8c0fab890e165437b9", kill_on_drop: false }`
[INFO] [stdout] b58db86787bf05749d8ab3420954a88206e78e88cabcfe8c0fab890e165437b9