[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] checking upenn-cis198-2018f/Lecture6 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupenn-cis198-2018f%2FLecture6" "/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/upenn-cis198-2018f/Lecture6 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-7/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 693807fa3a355130453ff387e63541efcc9dd7203450edd3022e9197fbff75a9
[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" "693807fa3a355130453ff387e63541efcc9dd7203450edd3022e9197fbff75a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "693807fa3a355130453ff387e63541efcc9dd7203450edd3022e9197fbff75a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693807fa3a355130453ff387e63541efcc9dd7203450edd3022e9197fbff75a9", kill_on_drop: false }`
[INFO] [stdout] 693807fa3a355130453ff387e63541efcc9dd7203450edd3022e9197fbff75a9
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--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] b090f3c01141b4e262be6572374aefba002976fe6f2a60f8f52f1db3680723aa
[INFO] running `Command { std: "docker" "start" "-a" "b090f3c01141b4e262be6572374aefba002976fe6f2a60f8f52f1db3680723aa", kill_on_drop: false }`
[INFO] [stderr]     Checking 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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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:167:24
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "b090f3c01141b4e262be6572374aefba002976fe6f2a60f8f52f1db3680723aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b090f3c01141b4e262be6572374aefba002976fe6f2a60f8f52f1db3680723aa", kill_on_drop: false }`
[INFO] [stdout] b090f3c01141b4e262be6572374aefba002976fe6f2a60f8f52f1db3680723aa