[INFO] updating cached repository swuecho/rust_pearls
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/swuecho/rust_pearls
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/swuecho/rust_pearls" "work/ex/beta-1.37-6/sources/1.36.0/gh/swuecho/rust_pearls"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/swuecho/rust_pearls'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/swuecho/rust_pearls" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/swuecho/rust_pearls"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/swuecho/rust_pearls'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1872708631f831c8be5ba5ced6a4e1fd6a910c82
[INFO] sha for GitHub repo swuecho/rust_pearls: 1872708631f831c8be5ba5ced6a4e1fd6a910c82
[INFO] validating manifest of swuecho/rust_pearls on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of swuecho/rust_pearls on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing swuecho/rust_pearls
[INFO] finished frobbing swuecho/rust_pearls
[INFO] frobbed toml for swuecho/rust_pearls written to work/ex/beta-1.37-6/sources/1.36.0/gh/swuecho/rust_pearls/Cargo.toml
[INFO] started frobbing swuecho/rust_pearls
[INFO] finished frobbing swuecho/rust_pearls
[INFO] frobbed toml for swuecho/rust_pearls written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/swuecho/rust_pearls/Cargo.toml
[INFO] crate swuecho/rust_pearls already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing swuecho/rust_pearls against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/swuecho/rust_pearls:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 01d29f29139a6918bb710f6a565ffae653b16e62c1b07405c9a360e3ba8d9b87
[INFO] running `"docker" "start" "-a" "01d29f29139a6918bb710f6a565ffae653b16e62c1b07405c9a360e3ba8d9b87"`
[INFO] [stderr]    Compiling rust_pearls v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/object_type.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn print(a: Box<Printable>) {
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn Printable`
[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/bin/object_type.rs:15:30
[INFO] [stderr]    |
[INFO] [stderr] 15 |    print(Box::new(10) as Box<Printable>);
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Printable`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `"docker" "inspect" "01d29f29139a6918bb710f6a565ffae653b16e62c1b07405c9a360e3ba8d9b87"`
[INFO] running `"docker" "rm" "-f" "01d29f29139a6918bb710f6a565ffae653b16e62c1b07405c9a360e3ba8d9b87"`
[INFO] [stdout] 01d29f29139a6918bb710f6a565ffae653b16e62c1b07405c9a360e3ba8d9b87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/swuecho/rust_pearls:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1463f5d2ae048c5938bbcbf05d815d14e63a06c8f87bd8e96fffdfe8467c41fe
[INFO] running `"docker" "start" "-a" "1463f5d2ae048c5938bbcbf05d815d14e63a06c8f87bd8e96fffdfe8467c41fe"`
[INFO] [stderr]    Compiling rust_pearls v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/object_type.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn print(a: Box<Printable>) {
[INFO] [stderr]    |                 ^^^^^^^^^ help: use `dyn`: `dyn Printable`
[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/bin/object_type.rs:15:30
[INFO] [stderr]    |
[INFO] [stderr] 15 |    print(Box::new(10) as Box<Printable>);
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn Printable`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `"docker" "inspect" "1463f5d2ae048c5938bbcbf05d815d14e63a06c8f87bd8e96fffdfe8467c41fe"`
[INFO] running `"docker" "rm" "-f" "1463f5d2ae048c5938bbcbf05d815d14e63a06c8f87bd8e96fffdfe8467c41fe"`
[INFO] [stdout] 1463f5d2ae048c5938bbcbf05d815d14e63a06c8f87bd8e96fffdfe8467c41fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/swuecho/rust_pearls:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c2219ac0c93223cce547c19a03e6eb07199f432c684d3b5026acc502054e69ba
[INFO] running `"docker" "start" "-a" "c2219ac0c93223cce547c19a03e6eb07199f432c684d3b5026acc502054e69ba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/circle-7ecc2e4109154099
[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] [stderr]      Running /opt/crater/target/debug/deps/fib-3c1d61308ce5858e
[INFO] [stderr]      Running /opt/crater/target/debug/deps/format_output-eca062dd0e35957f
[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] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fuzzbuzz-8c043af8c12b5e45
[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] [stderr]      Running /opt/crater/target/debug/deps/fuzzbuzz2-6de108ea710e3346
[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] [stderr]      Running /opt/crater/target/debug/deps/hashmap-151e7e82e2263d6b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/impl_for_enum_type-a84c64d5ab1cf732
[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] 
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[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] [stderr]      Running /opt/crater/target/debug/deps/let-35c541ebd848cc01
[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] [stderr]      Running /opt/crater/target/debug/deps/linked_list-c253bf2362814b81
[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] [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] [stderr]      Running /opt/crater/target/debug/deps/main-677f9a41d2843b57
[INFO] [stderr]      Running /opt/crater/target/debug/deps/object_type-a0087dd4f25c2a95
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]      Running /opt/crater/target/debug/deps/oop_simple-9baa4f3fa0640af0
[INFO] [stderr]      Running /opt/crater/target/debug/deps/person-3cc70053093040e3
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reverse-308bb8b9d6b49940
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scriptname-668a1ef77d2b04a6
[INFO] [stderr]      Running /opt/crater/target/debug/deps/struct_enum-005bbb6fc03b99f0
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vec_borrow-61bfdac380179ef1
[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] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "c2219ac0c93223cce547c19a03e6eb07199f432c684d3b5026acc502054e69ba"`
[INFO] running `"docker" "rm" "-f" "c2219ac0c93223cce547c19a03e6eb07199f432c684d3b5026acc502054e69ba"`
[INFO] [stdout] c2219ac0c93223cce547c19a03e6eb07199f432c684d3b5026acc502054e69ba