[INFO] updating cached repository Vdimir/rust-fib-heap
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Vdimir/rust-fib-heap
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Vdimir/rust-fib-heap" "work/ex/beta-1.37-6/sources/1.36.0/gh/Vdimir/rust-fib-heap"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Vdimir/rust-fib-heap'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vdimir/rust-fib-heap" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Vdimir/rust-fib-heap"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Vdimir/rust-fib-heap'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aea0fb247d291a7076ab66cfbea9ddfff5868a12
[INFO] sha for GitHub repo Vdimir/rust-fib-heap: aea0fb247d291a7076ab66cfbea9ddfff5868a12
[INFO] validating manifest of Vdimir/rust-fib-heap 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 Vdimir/rust-fib-heap 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 Vdimir/rust-fib-heap
[INFO] finished frobbing Vdimir/rust-fib-heap
[INFO] frobbed toml for Vdimir/rust-fib-heap written to work/ex/beta-1.37-6/sources/1.36.0/gh/Vdimir/rust-fib-heap/Cargo.toml
[INFO] started frobbing Vdimir/rust-fib-heap
[INFO] finished frobbing Vdimir/rust-fib-heap
[INFO] frobbed toml for Vdimir/rust-fib-heap written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Vdimir/rust-fib-heap/Cargo.toml
[INFO] crate Vdimir/rust-fib-heap already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Vdimir/rust-fib-heap/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 Vdimir/rust-fib-heap against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Vdimir/rust-fib-heap:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0c4c7d5a8f80581fc389da7af4eb5278af8900cadea38debd4f17ebf9ed6c9b7
[INFO] running `"docker" "start" "-a" "0c4c7d5a8f80581fc389da7af4eb5278af8900cadea38debd4f17ebf9ed6c9b7"`
[INFO] [stderr]    Compiling FibHeap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `FibHeap` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `fib_heap`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "0c4c7d5a8f80581fc389da7af4eb5278af8900cadea38debd4f17ebf9ed6c9b7"`
[INFO] running `"docker" "rm" "-f" "0c4c7d5a8f80581fc389da7af4eb5278af8900cadea38debd4f17ebf9ed6c9b7"`
[INFO] [stdout] 0c4c7d5a8f80581fc389da7af4eb5278af8900cadea38debd4f17ebf9ed6c9b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Vdimir/rust-fib-heap:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] de6b4b203c1ff63b7bdb42cd71a32f1c7537c2fac96963f53a83e4ea21a69f2f
[INFO] running `"docker" "start" "-a" "de6b4b203c1ff63b7bdb42cd71a32f1c7537c2fac96963f53a83e4ea21a69f2f"`
[INFO] [stderr]    Compiling FibHeap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `FibHeap` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `fib_heap`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "de6b4b203c1ff63b7bdb42cd71a32f1c7537c2fac96963f53a83e4ea21a69f2f"`
[INFO] running `"docker" "rm" "-f" "de6b4b203c1ff63b7bdb42cd71a32f1c7537c2fac96963f53a83e4ea21a69f2f"`
[INFO] [stdout] de6b4b203c1ff63b7bdb42cd71a32f1c7537c2fac96963f53a83e4ea21a69f2f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Vdimir/rust-fib-heap:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 87d2fad98fedf8bf28f09fd5557c114dbed9a23b3d88582c1e28d8ac2729265b
[INFO] running `"docker" "start" "-a" "87d2fad98fedf8bf28f09fd5557c114dbed9a23b3d88582c1e28d8ac2729265b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/FibHeap-eeda5acd0b7e55e0
[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]      Running /opt/crater/target/debug/deps/tests-26e1038013fa2331
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test insert_test ... ok
[INFO] [stderr]    Doc-tests FibHeap
[INFO] [stdout] test extract_min_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "87d2fad98fedf8bf28f09fd5557c114dbed9a23b3d88582c1e28d8ac2729265b"`
[INFO] running `"docker" "rm" "-f" "87d2fad98fedf8bf28f09fd5557c114dbed9a23b3d88582c1e28d8ac2729265b"`
[INFO] [stdout] 87d2fad98fedf8bf28f09fd5557c114dbed9a23b3d88582c1e28d8ac2729265b