[INFO] updating cached repository huwsun/rust_study
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huwsun/rust_study
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huwsun/rust_study" "work/ex/beta-1.37-6/sources/1.36.0/gh/huwsun/rust_study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/huwsun/rust_study'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huwsun/rust_study" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huwsun/rust_study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huwsun/rust_study'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 288f85839fcb1cf856070f3da28d1d6cdc22771f
[INFO] sha for GitHub repo huwsun/rust_study: 288f85839fcb1cf856070f3da28d1d6cdc22771f
[INFO] validating manifest of huwsun/rust_study 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 huwsun/rust_study 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 huwsun/rust_study
[INFO] finished frobbing huwsun/rust_study
[INFO] frobbed toml for huwsun/rust_study written to work/ex/beta-1.37-6/sources/1.36.0/gh/huwsun/rust_study/Cargo.toml
[INFO] started frobbing huwsun/rust_study
[INFO] finished frobbing huwsun/rust_study
[INFO] frobbed toml for huwsun/rust_study written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huwsun/rust_study/Cargo.toml
[INFO] crate huwsun/rust_study 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 huwsun/rust_study 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-7/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/huwsun/rust_study:/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] edbfc5e7b106748077e6da8568ee17ef8dac3035736342a6130b43587ef0b7f7
[INFO] running `"docker" "start" "-a" "edbfc5e7b106748077e6da8568ee17ef8dac3035736342a6130b43587ef0b7f7"`
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `"docker" "inspect" "edbfc5e7b106748077e6da8568ee17ef8dac3035736342a6130b43587ef0b7f7"`
[INFO] running `"docker" "rm" "-f" "edbfc5e7b106748077e6da8568ee17ef8dac3035736342a6130b43587ef0b7f7"`
[INFO] [stdout] edbfc5e7b106748077e6da8568ee17ef8dac3035736342a6130b43587ef0b7f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/huwsun/rust_study:/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] f676ce717d66fc5946e092d6967feb358faa852645afe500be91c724e6262d3c
[INFO] running `"docker" "start" "-a" "f676ce717d66fc5946e092d6967feb358faa852645afe500be91c724e6262d3c"`
[INFO] [stderr]    Compiling study v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 | type Job = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "f676ce717d66fc5946e092d6967feb358faa852645afe500be91c724e6262d3c"`
[INFO] running `"docker" "rm" "-f" "f676ce717d66fc5946e092d6967feb358faa852645afe500be91c724e6262d3c"`
[INFO] [stdout] f676ce717d66fc5946e092d6967feb358faa852645afe500be91c724e6262d3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/huwsun/rust_study:/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] 97d1861ee1cd6d93ecc0078e0cc000413fcc117143a78df4b377d51edc7035c5
[INFO] running `"docker" "start" "-a" "97d1861ee1cd6d93ecc0078e0cc000413fcc117143a78df4b377d51edc7035c5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/study-d53e3c52f096b711
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-369803358e36662d
[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]    Doc-tests study
[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" "97d1861ee1cd6d93ecc0078e0cc000413fcc117143a78df4b377d51edc7035c5"`
[INFO] running `"docker" "rm" "-f" "97d1861ee1cd6d93ecc0078e0cc000413fcc117143a78df4b377d51edc7035c5"`
[INFO] [stdout] 97d1861ee1cd6d93ecc0078e0cc000413fcc117143a78df4b377d51edc7035c5