[INFO] crate vec_box 1.0.0 is already in cache
[INFO] extracting crate vec_box 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/vec_box/1.0.0
[INFO] extracting crate vec_box 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vec_box/1.0.0
[INFO] validating manifest of vec_box-1.0.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vec_box-1.0.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vec_box-1.0.0
[INFO] finished frobbing vec_box-1.0.0
[INFO] frobbed toml for vec_box-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vec_box/1.0.0/Cargo.toml
[INFO] started frobbing vec_box-1.0.0
[INFO] finished frobbing vec_box-1.0.0
[INFO] frobbed toml for vec_box-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vec_box/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing vec_box-1.0.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vec_box/1.0.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 665a832d58e202a9564cfff36e54777f2aaa75e1a673f1d7b4e380bf4b0f158c
[INFO] running `"docker" "start" "-a" "665a832d58e202a9564cfff36e54777f2aaa75e1a673f1d7b4e380bf4b0f158c"`
[INFO] [stderr]    Compiling vec_box v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "665a832d58e202a9564cfff36e54777f2aaa75e1a673f1d7b4e380bf4b0f158c"`
[INFO] running `"docker" "rm" "-f" "665a832d58e202a9564cfff36e54777f2aaa75e1a673f1d7b4e380bf4b0f158c"`
[INFO] [stdout] 665a832d58e202a9564cfff36e54777f2aaa75e1a673f1d7b4e380bf4b0f158c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vec_box/1.0.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 50abfe7b5cad568647c07e3c6bd4464a61e37dd9a669c50264979253f8c1f126
[INFO] running `"docker" "start" "-a" "50abfe7b5cad568647c07e3c6bd4464a61e37dd9a669c50264979253f8c1f126"`
[INFO] [stderr]    Compiling vec_box v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let v: Vec<Box<C>> = vec_box![
[INFO] [stderr]    |                        ^ help: use `dyn`: `dyn C`
[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]   --> examples/test.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let v: Vec<Box<C>> = vec_box![
[INFO] [stderr]    |                    ^ help: use `dyn`: `dyn C`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "50abfe7b5cad568647c07e3c6bd4464a61e37dd9a669c50264979253f8c1f126"`
[INFO] running `"docker" "rm" "-f" "50abfe7b5cad568647c07e3c6bd4464a61e37dd9a669c50264979253f8c1f126"`
[INFO] [stdout] 50abfe7b5cad568647c07e3c6bd4464a61e37dd9a669c50264979253f8c1f126
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vec_box/1.0.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2c4ac84185bc0806fce7ca2277397abca47d7efe4552216d3f33f69b31e9d71d
[INFO] running `"docker" "start" "-a" "2c4ac84185bc0806fce7ca2277397abca47d7efe4552216d3f33f69b31e9d71d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vec_box-da3d8081ecb32484
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::trait_objects ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec_box
[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" "2c4ac84185bc0806fce7ca2277397abca47d7efe4552216d3f33f69b31e9d71d"`
[INFO] running `"docker" "rm" "-f" "2c4ac84185bc0806fce7ca2277397abca47d7efe4552216d3f33f69b31e9d71d"`
[INFO] [stdout] 2c4ac84185bc0806fce7ca2277397abca47d7efe4552216d3f33f69b31e9d71d