[INFO] updating cached repository ygree/rust_examples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ygree/rust_examples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ygree/rust_examples" "work/ex/beta-1.38-1/sources/1.37.0/gh/ygree/rust_examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ygree/rust_examples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ygree/rust_examples" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ygree/rust_examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ygree/rust_examples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45f23c23ef3c1b360a02cb893a7cf784b2ec8fa9
[INFO] sha for GitHub repo ygree/rust_examples: 45f23c23ef3c1b360a02cb893a7cf784b2ec8fa9
[INFO] validating manifest of ygree/rust_examples 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 ygree/rust_examples 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 ygree/rust_examples
[INFO] finished frobbing ygree/rust_examples
[INFO] frobbed toml for ygree/rust_examples written to work/ex/beta-1.38-1/sources/1.37.0/gh/ygree/rust_examples/Cargo.toml
[INFO] started frobbing ygree/rust_examples
[INFO] finished frobbing ygree/rust_examples
[INFO] frobbed toml for ygree/rust_examples written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ygree/rust_examples/Cargo.toml
[INFO] crate ygree/rust_examples 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ygree/rust_examples 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-7/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/ygree/rust_examples:/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] e75fa6d13f15d8ffed4fb8275a25c32201705bcb22868c169253a9a32a5e0f53
[INFO] running `"docker" "start" "-a" "e75fa6d13f15d8ffed4fb8275a25c32201705bcb22868c169253a9a32a5e0f53"`
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "e75fa6d13f15d8ffed4fb8275a25c32201705bcb22868c169253a9a32a5e0f53"`
[INFO] running `"docker" "rm" "-f" "e75fa6d13f15d8ffed4fb8275a25c32201705bcb22868c169253a9a32a5e0f53"`
[INFO] [stdout] e75fa6d13f15d8ffed4fb8275a25c32201705bcb22868c169253a9a32a5e0f53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ygree/rust_examples:/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] 3ad1a03588001d18a26a2c34f517cbd932b795370f1854e4b7faf2e4780848b2
[INFO] running `"docker" "start" "-a" "3ad1a03588001d18a26a2c34f517cbd932b795370f1854e4b7faf2e4780848b2"`
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling quickcheck v0.6.0
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.12s
[INFO] running `"docker" "inspect" "3ad1a03588001d18a26a2c34f517cbd932b795370f1854e4b7faf2e4780848b2"`
[INFO] running `"docker" "rm" "-f" "3ad1a03588001d18a26a2c34f517cbd932b795370f1854e4b7faf2e4780848b2"`
[INFO] [stdout] 3ad1a03588001d18a26a2c34f517cbd932b795370f1854e4b7faf2e4780848b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ygree/rust_examples:/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] d8451eb897a99423a98f65a6dd845401ea345c1930310321130c470b10ae29ac
[INFO] running `"docker" "start" "-a" "d8451eb897a99423a98f65a6dd845401ea345c1930310321130c470b10ae29ac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/heap_sort-8f7075a24bb23119
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::partent_right_child_loop ... ok
[INFO] [stdout] test tests::partent_left_child_loop ... ok
[INFO] [stdout] test tests::parent_index_zero ... ok
[INFO] [stdout] test tests::heapify_stable ... ok
[INFO] [stdout] test tests::up_heap_cannot_change_heapified ... ok
[INFO] [stdout] test tests::equals_to_sorted ... ok
[INFO] [stdout] test tests::shift_down_cannot_change_heapified ... ok
[INFO] [stdout] test tests::keeps_length ... ok
[INFO] [stdout] test tests::never_decrease ... ok
[INFO] [stdout] test tests::priority_queue_returns_elements_in_reverse_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/insertion_sort-96c12f6c5ebafd49
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::never_decrease ... ok
[INFO] [stdout] test tests::keeps_length ... ok
[INFO] [stdout] test tests::equals_to_sorted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quick_sort-2dd162632192dd32
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::never_decrease ... ok
[INFO] [stdout] test tests::equals_to_sorted ... ok
[INFO] [stdout] test tests::keeps_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d8451eb897a99423a98f65a6dd845401ea345c1930310321130c470b10ae29ac"`
[INFO] running `"docker" "rm" "-f" "d8451eb897a99423a98f65a6dd845401ea345c1930310321130c470b10ae29ac"`
[INFO] [stdout] d8451eb897a99423a98f65a6dd845401ea345c1930310321130c470b10ae29ac