[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-1.38-1/sources/1.37.0/gh/Vdimir/rust-fib-heap"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Vdimir/rust-fib-heap'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Vdimir/rust-fib-heap" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vdimir/rust-fib-heap"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Vdimir/rust-fib-heap 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 Vdimir/rust-fib-heap [INFO] finished frobbing Vdimir/rust-fib-heap [INFO] frobbed toml for Vdimir/rust-fib-heap written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml"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 Vdimir/rust-fib-heap 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 13d434444c6665193ed91fd300e9205a96875cf2d87602c4c2298e216c9931e9 [INFO] running `"docker" "start" "-a" "13d434444c6665193ed91fd300e9205a96875cf2d87602c4c2298e216c9931e9"` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling getrandom v0.1.10 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.0 [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 10.16s [INFO] running `"docker" "inspect" "13d434444c6665193ed91fd300e9205a96875cf2d87602c4c2298e216c9931e9"` [INFO] running `"docker" "rm" "-f" "13d434444c6665193ed91fd300e9205a96875cf2d87602c4c2298e216c9931e9"` [INFO] [stdout] 13d434444c6665193ed91fd300e9205a96875cf2d87602c4c2298e216c9931e9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 8d1c5de32efa08e2c836fb3a5fd7806b3c231e32fa0177ca277b2f9e25b007bf [INFO] running `"docker" "start" "-a" "8d1c5de32efa08e2c836fb3a5fd7806b3c231e32fa0177ca277b2f9e25b007bf"` [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 1.54s [INFO] running `"docker" "inspect" "8d1c5de32efa08e2c836fb3a5fd7806b3c231e32fa0177ca277b2f9e25b007bf"` [INFO] running `"docker" "rm" "-f" "8d1c5de32efa08e2c836fb3a5fd7806b3c231e32fa0177ca277b2f9e25b007bf"` [INFO] [stdout] 8d1c5de32efa08e2c836fb3a5fd7806b3c231e32fa0177ca277b2f9e25b007bf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 7abdf3e5daba16cf255b4d715b1fe4963414e31d35e0851fd60602a094e277f3 [INFO] running `"docker" "start" "-a" "7abdf3e5daba16cf255b4d715b1fe4963414e31d35e0851fd60602a094e277f3"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/FibHeap-7c4559711f8c3a5f [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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/tests-098cf3f4b48c59cc [INFO] [stdout] test insert_test ... ok [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] [stderr] Doc-tests FibHeap [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" "7abdf3e5daba16cf255b4d715b1fe4963414e31d35e0851fd60602a094e277f3"` [INFO] running `"docker" "rm" "-f" "7abdf3e5daba16cf255b4d715b1fe4963414e31d35e0851fd60602a094e277f3"` [INFO] [stdout] 7abdf3e5daba16cf255b4d715b1fe4963414e31d35e0851fd60602a094e277f3