[INFO] crate bdrck_test 0.1.1 is already in cache
[INFO] extracting crate bdrck_test 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/bdrck_test/0.1.1
[INFO] extracting crate bdrck_test 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bdrck_test/0.1.1
[INFO] validating manifest of bdrck_test-0.1.1 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 bdrck_test-0.1.1 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 bdrck_test-0.1.1
[INFO] finished frobbing bdrck_test-0.1.1
[INFO] frobbed toml for bdrck_test-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bdrck_test/0.1.1/Cargo.toml
[INFO] started frobbing bdrck_test-0.1.1
[INFO] finished frobbing bdrck_test-0.1.1
[INFO] frobbed toml for bdrck_test-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bdrck_test/0.1.1/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 bdrck_test-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bdrck_test/0.1.1:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 80389f0e017c7827a8fc64853c0be5fc64c841f0fbcf01f5f570b3b344ce76a2
[INFO] running `"docker" "start" "-a" "80389f0e017c7827a8fc64853c0be5fc64c841f0fbcf01f5f570b3b344ce76a2"`
[INFO] [stderr]    Compiling bdrck_test v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "80389f0e017c7827a8fc64853c0be5fc64c841f0fbcf01f5f570b3b344ce76a2"`
[INFO] running `"docker" "rm" "-f" "80389f0e017c7827a8fc64853c0be5fc64c841f0fbcf01f5f570b3b344ce76a2"`
[INFO] [stdout] 80389f0e017c7827a8fc64853c0be5fc64c841f0fbcf01f5f570b3b344ce76a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bdrck_test/0.1.1:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] cb822d0bd2fd59a58c1733e25fe11a9742a3d4f0dc323756b88fa971ff9ae492
[INFO] running `"docker" "start" "-a" "cb822d0bd2fd59a58c1733e25fe11a9742a3d4f0dc323756b88fa971ff9ae492"`
[INFO] [stderr]    Compiling bdrck_test v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fn_instrumentation.rs:41:31
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut function: Box<FnMut()> = Box::new(|| { instrumentation.record_call(); });
[INFO] [stderr]    |                               ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "cb822d0bd2fd59a58c1733e25fe11a9742a3d4f0dc323756b88fa971ff9ae492"`
[INFO] running `"docker" "rm" "-f" "cb822d0bd2fd59a58c1733e25fe11a9742a3d4f0dc323756b88fa971ff9ae492"`
[INFO] [stdout] cb822d0bd2fd59a58c1733e25fe11a9742a3d4f0dc323756b88fa971ff9ae492
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bdrck_test/0.1.1:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cd0608dec089add31f166d5ba59b95794883dad1d06990da2b56595731efbaf4
[INFO] running `"docker" "start" "-a" "cd0608dec089add31f166d5ba59b95794883dad1d06990da2b56595731efbaf4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bdrck_test-5705ab5e44186643
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fn_instrumentation::test::test_fn_mut_instrumentation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bdrck_test
[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" "cd0608dec089add31f166d5ba59b95794883dad1d06990da2b56595731efbaf4"`
[INFO] running `"docker" "rm" "-f" "cd0608dec089add31f166d5ba59b95794883dad1d06990da2b56595731efbaf4"`
[INFO] [stdout] cd0608dec089add31f166d5ba59b95794883dad1d06990da2b56595731efbaf4