[INFO] crate collect_slice 1.2.0 is already in cache
[INFO] extracting crate collect_slice 1.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/collect_slice/1.2.0
[INFO] extracting crate collect_slice 1.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collect_slice/1.2.0
[INFO] validating manifest of collect_slice-1.2.0 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 collect_slice-1.2.0 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 collect_slice-1.2.0
[INFO] finished frobbing collect_slice-1.2.0
[INFO] frobbed toml for collect_slice-1.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/collect_slice/1.2.0/Cargo.toml
[INFO] started frobbing collect_slice-1.2.0
[INFO] finished frobbing collect_slice-1.2.0
[INFO] frobbed toml for collect_slice-1.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/collect_slice/1.2.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing collect_slice-1.2.0 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/collect_slice/1.2.0:/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] e30e5dcb842d48b65ca240670c9d66766f4fe5b804997d46f26a3145221d447f
[INFO] running `"docker" "start" "-a" "e30e5dcb842d48b65ca240670c9d66766f4fe5b804997d46f26a3145221d447f"`
[INFO] [stderr]    Compiling collect_slice v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "e30e5dcb842d48b65ca240670c9d66766f4fe5b804997d46f26a3145221d447f"`
[INFO] running `"docker" "rm" "-f" "e30e5dcb842d48b65ca240670c9d66766f4fe5b804997d46f26a3145221d447f"`
[INFO] [stdout] e30e5dcb842d48b65ca240670c9d66766f4fe5b804997d46f26a3145221d447f
[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/collect_slice/1.2.0:/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] 9ce94f72e9cfaca5cfd44dfa9f01b9fcc6bd24908c2569a8f070b35fc6b5f273
[INFO] running `"docker" "start" "-a" "9ce94f72e9cfaca5cfd44dfa9f01b9fcc6bd24908c2569a8f070b35fc6b5f273"`
[INFO] [stderr]    Compiling collect_slice v1.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:314:22
[INFO] [stderr]     |
[INFO] [stderr] 314 |         let it: &mut Iterator<Item=_> = &mut (0..5).map(|i| {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=_>`
[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/lib.rs:317:22
[INFO] [stderr]     |
[INFO] [stderr] 317 |         let count = <Iterator<Item=_> as CollectSlice>::collect_slice(it, &mut buf[..]);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=_>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "9ce94f72e9cfaca5cfd44dfa9f01b9fcc6bd24908c2569a8f070b35fc6b5f273"`
[INFO] running `"docker" "rm" "-f" "9ce94f72e9cfaca5cfd44dfa9f01b9fcc6bd24908c2569a8f070b35fc6b5f273"`
[INFO] [stdout] 9ce94f72e9cfaca5cfd44dfa9f01b9fcc6bd24908c2569a8f070b35fc6b5f273
[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/collect_slice/1.2.0:/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] 95023eb6bcaf9aa5b58cf9254100d0053dcc72ad198a6e8f0fd5f0e09b0efe0d
[INFO] running `"docker" "start" "-a" "95023eb6bcaf9aa5b58cf9254100d0053dcc72ad198a6e8f0fd5f0e09b0efe0d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/collect_slice-0b54c33cc7f993cc
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::test_basic ... ok
[INFO] [stdout] test test::test_checked ... ok
[INFO] [stdout] test test::test_under ... ok
[INFO] [stdout] test test::test_over ... ok
[INFO] [stdout] test test::test_unsized ... ok
[INFO] [stdout] test test::test_filled ... ok
[INFO] [stdout] test test::test_exhaust ... ok
[INFO] [stdout] test test::test_exhaust_over ... ok
[INFO] [stdout] test test::test_checked_under ... ok
[INFO] [stdout] test test::test_checked_over ... ok
[INFO] [stdout] test test::test_filled_under ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests collect_slice
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs -  (line 38) ... ok
[INFO] [stdout] test src/lib.rs -  (line 44) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 152) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 144) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 159) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_exhaust (line 115) ... ok
[INFO] [stdout] test src/lib.rs -  (line 14) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice (line 57) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_fill (line 92) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "95023eb6bcaf9aa5b58cf9254100d0053dcc72ad198a6e8f0fd5f0e09b0efe0d"`
[INFO] running `"docker" "rm" "-f" "95023eb6bcaf9aa5b58cf9254100d0053dcc72ad198a6e8f0fd5f0e09b0efe0d"`
[INFO] [stdout] 95023eb6bcaf9aa5b58cf9254100d0053dcc72ad198a6e8f0fd5f0e09b0efe0d