[INFO] crate densevec 0.3.3 is already in cache
[INFO] extracting crate densevec 0.3.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/densevec/0.3.3
[INFO] extracting crate densevec 0.3.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/densevec/0.3.3
[INFO] validating manifest of densevec-0.3.3 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 densevec-0.3.3 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 densevec-0.3.3
[INFO] finished frobbing densevec-0.3.3
[INFO] frobbed toml for densevec-0.3.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/densevec/0.3.3/Cargo.toml
[INFO] started frobbing densevec-0.3.3
[INFO] finished frobbing densevec-0.3.3
[INFO] frobbed toml for densevec-0.3.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/densevec/0.3.3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing densevec-0.3.3 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-6/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/densevec/0.3.3:/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] 95fc05ff15a041071d2e688d1caa410707810d486adf2f7645d570b1129c67db
[INFO] running `"docker" "start" "-a" "95fc05ff15a041071d2e688d1caa410707810d486adf2f7645d570b1129c67db"`
[INFO] [stderr]    Compiling densevec v0.3.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "95fc05ff15a041071d2e688d1caa410707810d486adf2f7645d570b1129c67db"`
[INFO] running `"docker" "rm" "-f" "95fc05ff15a041071d2e688d1caa410707810d486adf2f7645d570b1129c67db"`
[INFO] [stdout] 95fc05ff15a041071d2e688d1caa410707810d486adf2f7645d570b1129c67db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/densevec/0.3.3:/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] 73e4d7561e7aee7b80aedf186b1a011c34f7eedf55d2f831c5d03b826eb86941
[INFO] running `"docker" "start" "-a" "73e4d7561e7aee7b80aedf186b1a011c34f7eedf55d2f831c5d03b826eb86941"`
[INFO] [stderr]    Compiling densevec v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]     --> src/lib.rs:1300:19
[INFO] [stderr]      |
[INFO] [stderr] 1300 |             .map(|i| a.insert_key_gen(0))
[INFO] [stderr]      |                   ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "73e4d7561e7aee7b80aedf186b1a011c34f7eedf55d2f831c5d03b826eb86941"`
[INFO] running `"docker" "rm" "-f" "73e4d7561e7aee7b80aedf186b1a011c34f7eedf55d2f831c5d03b826eb86941"`
[INFO] [stdout] 73e4d7561e7aee7b80aedf186b1a011c34f7eedf55d2f831c5d03b826eb86941
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/densevec/0.3.3:/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] 323965806edb9d0a847fd3591664ad3c9429c252c60e98329266aa1d10483cef
[INFO] running `"docker" "start" "-a" "323965806edb9d0a847fd3591664ad3c9429c252c60e98329266aa1d10483cef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/densevec-cde7f4a06b70d71b
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test test_map::test_conflict_remove ... ok
[INFO] [stdout] test test_map::test_create_capacity_zero ... ok
[INFO] [stdout] test test_map::test_capacity_not_less_than_len ... ok
[INFO] [stdout] test test_map::test_eq ... ok
[INFO] [stdout] test test_map::test_empty_iter ... ok
[INFO] [stdout] test test_map::test_empty_entry ... ok
[INFO] [stdout] test test_map::test_from_iter ... ok
[INFO] [stdout] test test_map::test_index ... ok
[INFO] [stdout] test test_map::test_find_mut ... ok
[INFO] [stdout] test test_map::test_find ... ok
[INFO] [stdout] test test_map::test_extend_ref ... ok
[INFO] [stdout] test test_map::test_empty_remove ... ok
[INFO] [stdout] test test_map::test_expand ... ok
[INFO] [stdout] test test_map::test_entry ... ok
[INFO] [stdout] test test_map::test_clone ... ok
[INFO] [stdout] test test_map::test_insert_overwrite ... ok
[INFO] [stdout] test test_map::test_insert ... ok
[INFO] [stdout] test test_map::test_is_empty ... ok
[INFO] [stdout] test test_map::test_iter_len ... ok
[INFO] [stdout] test test_map::test_iterate ... ok
[INFO] [stdout] test test_map::test_iter_mut_len ... ok
[INFO] [stdout] test test_map::test_insert_conflicts ... ok
[INFO] [stdout] test test_map::test_mut_size_hint ... ok
[INFO] [stdout] test test_map::test_occupied_entry_key ... ok
[INFO] [stdout] test test_map::test_remove ... ok
[INFO] [stdout] test test_map::test_key_gen ... ok
[INFO] [stdout] test test_map::test_keys ... ok
[INFO] [stdout] test test_map::test_values_mut ... ok
[INFO] [stdout] test test_map::test_values ... ok
[INFO] [stdout] test test_map::test_show ... ok
[INFO] [stdout] test test_map::test_size_hint ... ok
[INFO] [stdout] test test_map::test_vacant_entry_key ... ok
[INFO] [stdout] test test_map::test_zero_capacities ... ok
[INFO] [stdout] test test_map::test_reserve_shrink_to_fit ... ok
[INFO] [stdout] test test_map::test_index_nonexistent ... ok
[INFO] [stdout] test test_map::test_lots_of_insertions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests densevec
[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" "323965806edb9d0a847fd3591664ad3c9429c252c60e98329266aa1d10483cef"`
[INFO] running `"docker" "rm" "-f" "323965806edb9d0a847fd3591664ad3c9429c252c60e98329266aa1d10483cef"`
[INFO] [stdout] 323965806edb9d0a847fd3591664ad3c9429c252c60e98329266aa1d10483cef