[INFO] cloning repository upenn-cis198-2018f/Lecture6
[INFO] running `"git" "clone" "--bare" "git://github.com/upenn-cis198-2018f/Lecture6.git" "work/cache/sources/gh/upenn-cis198-2018f/Lecture6"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/upenn-cis198-2018f/Lecture6'...
[INFO] running `"git" "clone" "work/cache/sources/gh/upenn-cis198-2018f/Lecture6" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/upenn-cis198-2018f/Lecture6"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/upenn-cis198-2018f/Lecture6'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/upenn-cis198-2018f/Lecture6" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/Lecture6"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/Lecture6'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b24735f2feb566aa92d433c6c4c6550092e78365
[INFO] sha for GitHub repo upenn-cis198-2018f/Lecture6: b24735f2feb566aa92d433c6c4c6550092e78365
[INFO] validating manifest of upenn-cis198-2018f/Lecture6 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of upenn-cis198-2018f/Lecture6 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing upenn-cis198-2018f/Lecture6
[INFO] finished frobbing upenn-cis198-2018f/Lecture6
[INFO] frobbed toml for upenn-cis198-2018f/Lecture6 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/upenn-cis198-2018f/Lecture6/Cargo.toml
[INFO] started frobbing upenn-cis198-2018f/Lecture6
[INFO] finished frobbing upenn-cis198-2018f/Lecture6
[INFO] frobbed toml for upenn-cis198-2018f/Lecture6 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/Lecture6/Cargo.toml
[INFO] crate upenn-cis198-2018f/Lecture6 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing upenn-cis198-2018f/Lecture6 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/Lecture6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] d0e180ba4a228065ed223d62c2879b0d1ece2a2a22e6f93972add1e46d766401
[INFO] running `"docker" "start" "-a" "d0e180ba4a228065ed223d62c2879b0d1ece2a2a22e6f93972add1e46d766401"`
[INFO] [stderr]    Compiling lecture6 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generics.rs:74:37
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn print_a_bunch_of_things(thing: & Debug) {
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generics.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let things: Vec<& Debug> = vec![& 5, & 10.2, & "hello", & Some(5)];
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/generics.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "d0e180ba4a228065ed223d62c2879b0d1ece2a2a22e6f93972add1e46d766401"`
[INFO] running `"docker" "rm" "-f" "d0e180ba4a228065ed223d62c2879b0d1ece2a2a22e6f93972add1e46d766401"`
[INFO] [stdout] d0e180ba4a228065ed223d62c2879b0d1ece2a2a22e6f93972add1e46d766401
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/Lecture6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6ae84dd0df1a48f287ae499d7b1819a0430a1ea85264c5181b394a92da60896a
[INFO] running `"docker" "start" "-a" "6ae84dd0df1a48f287ae499d7b1819a0430a1ea85264c5181b394a92da60896a"`
[INFO] [stderr]    Compiling lecture6 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generics.rs:74:37
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn print_a_bunch_of_things(thing: & Debug) {
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generics.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let things: Vec<& Debug> = vec![& 5, & 10.2, & "hello", & Some(5)];
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Display`
[INFO] [stderr]  --> src/generics.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "6ae84dd0df1a48f287ae499d7b1819a0430a1ea85264c5181b394a92da60896a"`
[INFO] running `"docker" "rm" "-f" "6ae84dd0df1a48f287ae499d7b1819a0430a1ea85264c5181b394a92da60896a"`
[INFO] [stdout] 6ae84dd0df1a48f287ae499d7b1819a0430a1ea85264c5181b394a92da60896a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/upenn-cis198-2018f/Lecture6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] ab2256253cb1458c8cc78063cb4ec0cdee22ab5d37ad995f3c5d7a10d411d738
[INFO] running `"docker" "start" "-a" "ab2256253cb1458c8cc78063cb4ec0cdee22ab5d37ad995f3c5d7a10d411d738"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lecture6-0b795214d461f345
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ab2256253cb1458c8cc78063cb4ec0cdee22ab5d37ad995f3c5d7a10d411d738"`
[INFO] running `"docker" "rm" "-f" "ab2256253cb1458c8cc78063cb4ec0cdee22ab5d37ad995f3c5d7a10d411d738"`
[INFO] [stdout] ab2256253cb1458c8cc78063cb4ec0cdee22ab5d37ad995f3c5d7a10d411d738