[INFO] updating cached repository charleschege/kvfeeds
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/charleschege/kvfeeds
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/charleschege/kvfeeds" "work/ex/beta-1.38-1/sources/1.37.0/gh/charleschege/kvfeeds"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/charleschege/kvfeeds'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/charleschege/kvfeeds" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charleschege/kvfeeds"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charleschege/kvfeeds'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c0a0beff0a36a07677239150d380ec6e5cc16bc1
[INFO] sha for GitHub repo charleschege/kvfeeds: c0a0beff0a36a07677239150d380ec6e5cc16bc1
[INFO] validating manifest of charleschege/kvfeeds 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 charleschege/kvfeeds 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 charleschege/kvfeeds
[INFO] finished frobbing charleschege/kvfeeds
[INFO] frobbed toml for charleschege/kvfeeds written to work/ex/beta-1.38-1/sources/1.37.0/gh/charleschege/kvfeeds/Cargo.toml
[INFO] started frobbing charleschege/kvfeeds
[INFO] finished frobbing charleschege/kvfeeds
[INFO] frobbed toml for charleschege/kvfeeds written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charleschege/kvfeeds/Cargo.toml
[INFO] crate charleschege/kvfeeds already has a lockfile, it will not be regenerated
[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 charleschege/kvfeeds 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-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charleschege/kvfeeds:/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] 406c02bd437f20d4b7b679943093991b2f1c2a510e79135b29c0427c51bdd45c
[INFO] running `"docker" "start" "-a" "406c02bd437f20d4b7b679943093991b2f1c2a510e79135b29c0427c51bdd45c"`
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling jemalloc-sys v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling custom_codes v1.0.0
[INFO] [stderr]    Compiling jemallocator v0.3.0
[INFO] [stderr]    Compiling kvfeeds v0.1.0-alpha.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `"docker" "inspect" "406c02bd437f20d4b7b679943093991b2f1c2a510e79135b29c0427c51bdd45c"`
[INFO] running `"docker" "rm" "-f" "406c02bd437f20d4b7b679943093991b2f1c2a510e79135b29c0427c51bdd45c"`
[INFO] [stdout] 406c02bd437f20d4b7b679943093991b2f1c2a510e79135b29c0427c51bdd45c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charleschege/kvfeeds:/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] 117b59dee2e72cb5d1e74cb4eace4f4bc574badff111582b1bfc8641a8e03b62
[INFO] running `"docker" "start" "-a" "117b59dee2e72cb5d1e74cb4eace4f4bc574badff111582b1bfc8641a8e03b62"`
[INFO] [stderr]    Compiling timeit v0.1.2
[INFO] [stderr]    Compiling kvfeeds v0.1.0-alpha.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "117b59dee2e72cb5d1e74cb4eace4f4bc574badff111582b1bfc8641a8e03b62"`
[INFO] running `"docker" "rm" "-f" "117b59dee2e72cb5d1e74cb4eace4f4bc574badff111582b1bfc8641a8e03b62"`
[INFO] [stdout] 117b59dee2e72cb5d1e74cb4eace4f4bc574badff111582b1bfc8641a8e03b62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charleschege/kvfeeds:/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] 3efde2afafae64bb53dab8d835d016452d0329be50d2b55dc9f1991402faefb4
[INFO] running `"docker" "start" "-a" "3efde2afafae64bb53dab8d835d016452d0329be50d2b55dc9f1991402faefb4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kvfeeds-a2be60e154f64afd
[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] [stderr]    Doc-tests kvfeeds
[INFO] [stderr] error[E0659]: `kvfeeds` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]   --> /opt/crater/workdir/src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub use kvfeeds::KvStore;
[INFO] [stderr]    |         ^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: `kvfeeds` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::kvfeeds` to refer to this crate unambiguously
[INFO] [stderr] note: `kvfeeds` could also refer to the module defined here
[INFO] [stderr]   --> /opt/crater/workdir/src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | mod kvfeeds;
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    = help: use `crate::kvfeeds` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: the `#[global_allocator]` in this crate conflicts with global allocator in: kvfeeds
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/kvfeeds.rs - kvfeeds::KvStore (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3efde2afafae64bb53dab8d835d016452d0329be50d2b55dc9f1991402faefb4"`
[INFO] running `"docker" "rm" "-f" "3efde2afafae64bb53dab8d835d016452d0329be50d2b55dc9f1991402faefb4"`
[INFO] [stdout] 3efde2afafae64bb53dab8d835d016452d0329be50d2b55dc9f1991402faefb4