[INFO] crate c_vec 1.3.3 is already in cache
[INFO] extracting crate c_vec 1.3.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/c_vec/1.3.3
[INFO] extracting crate c_vec 1.3.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/c_vec/1.3.3
[INFO] validating manifest of c_vec-1.3.3 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 c_vec-1.3.3 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 c_vec-1.3.3
[INFO] finished frobbing c_vec-1.3.3
[INFO] frobbed toml for c_vec-1.3.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/c_vec/1.3.3/Cargo.toml
[INFO] started frobbing c_vec-1.3.3
[INFO] finished frobbing c_vec-1.3.3
[INFO] frobbed toml for c_vec-1.3.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/c_vec/1.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 c_vec-1.3.3 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-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/c_vec/1.3.3:/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] 0012e0d9a09883961aaf81c1d6a35881f30e2ca5ba5d89ad457542467636a15f
[INFO] running `"docker" "start" "-a" "0012e0d9a09883961aaf81c1d6a35881f30e2ca5ba5d89ad457542467636a15f"`
[INFO] [stderr]    Compiling c_vec v1.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |     dtor: Option<Box<FnMut(*mut T)>>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(*mut T)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "0012e0d9a09883961aaf81c1d6a35881f30e2ca5ba5d89ad457542467636a15f"`
[INFO] running `"docker" "rm" "-f" "0012e0d9a09883961aaf81c1d6a35881f30e2ca5ba5d89ad457542467636a15f"`
[INFO] [stdout] 0012e0d9a09883961aaf81c1d6a35881f30e2ca5ba5d89ad457542467636a15f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/c_vec/1.3.3:/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] 91e61b07f8f3ca0f799748030ae792b5182eff4bad1e068259512a8142851258
[INFO] running `"docker" "start" "-a" "91e61b07f8f3ca0f799748030ae792b5182eff4bad1e068259512a8142851258"`
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling c_vec v1.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |     dtor: Option<Box<FnMut(*mut T)>>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(*mut T)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "91e61b07f8f3ca0f799748030ae792b5182eff4bad1e068259512a8142851258"`
[INFO] running `"docker" "rm" "-f" "91e61b07f8f3ca0f799748030ae792b5182eff4bad1e068259512a8142851258"`
[INFO] [stdout] 91e61b07f8f3ca0f799748030ae792b5182eff4bad1e068259512a8142851258
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/c_vec/1.3.3:/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] ce9dd713bc333373b576da7817ede5598db8ac025be9134ba2a83e7ecaec544c
[INFO] running `"docker" "start" "-a" "ce9dd713bc333373b576da7817ede5598db8ac025be9134ba2a83e7ecaec544c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/c_vec-47f30991a4c56198
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::slice_test_basic ... ok
[INFO] [stdout] test tests::vec_test_basic ... ok
[INFO] [stdout] test tests::vec_test_overrun_get ... ok
[INFO] [stdout] test tests::slice_to_vec_test ... ok
[INFO] [stdout] test tests::iter_cslice ... ok
[INFO] [stdout] test tests::convert_test ... ok
[INFO] [stdout] test tests::iter_cvec ... ok
[INFO] [stdout] test tests::vec_test_overrun_set ... ok
[INFO] [stdout] test tests::vec_test_unwrap ... ok
[INFO] [stdout] test tests::vec_to_slice_test ... ok
[INFO] [stdout] test tests::slice_test_panic_at_null ... ok
[INFO] [stdout] test tests::slice_test_overrun_get ... ok
[INFO] [stdout] test tests::vec_test_panic_at_null ... ok
[INFO] [stderr]    Doc-tests c_vec
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 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" "ce9dd713bc333373b576da7817ede5598db8ac025be9134ba2a83e7ecaec544c"`
[INFO] running `"docker" "rm" "-f" "ce9dd713bc333373b576da7817ede5598db8ac025be9134ba2a83e7ecaec544c"`
[INFO] [stdout] ce9dd713bc333373b576da7817ede5598db8ac025be9134ba2a83e7ecaec544c