[INFO] fetching crate medianheap 0.2.0...
[INFO] testing medianheap-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate medianheap 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate medianheap 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate medianheap 0.2.0
[INFO] finished tweaking crates.io crate medianheap 0.2.0
[INFO] tweaked toml for crates.io crate medianheap 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ccf4df81c80eeea8cbce0ac6b336c95bd733f394a7e6cf7d693ab5c0ff231b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ccf4df81c80eeea8cbce0ac6b336c95bd733f394a7e6cf7d693ab5c0ff231b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ccf4df81c80eeea8cbce0ac6b336c95bd733f394a7e6cf7d693ab5c0ff231b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccf4df81c80eeea8cbce0ac6b336c95bd733f394a7e6cf7d693ab5c0ff231b6", kill_on_drop: false }`
[INFO] [stdout] 5ccf4df81c80eeea8cbce0ac6b336c95bd733f394a7e6cf7d693ab5c0ff231b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0cdd8d505e9a6ec11837014ef75a9ea1e19f3c47da8240efc00eede5119ace5
[INFO] running `Command { std: "docker" "start" "-a" "b0cdd8d505e9a6ec11837014ef75a9ea1e19f3c47da8240efc00eede5119ace5", kill_on_drop: false }`
[INFO] [stderr]    Compiling min-max-heap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling medianheap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "b0cdd8d505e9a6ec11837014ef75a9ea1e19f3c47da8240efc00eede5119ace5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cdd8d505e9a6ec11837014ef75a9ea1e19f3c47da8240efc00eede5119ace5", kill_on_drop: false }`
[INFO] [stdout] b0cdd8d505e9a6ec11837014ef75a9ea1e19f3c47da8240efc00eede5119ace5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76da1e390b211774f14d9100b255b75e30b0e205b9f20eb342dcf7f90a4e443e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76da1e390b211774f14d9100b255b75e30b0e205b9f20eb342dcf7f90a4e443e", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling medianheap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.31s
[INFO] running `Command { std: "docker" "inspect" "76da1e390b211774f14d9100b255b75e30b0e205b9f20eb342dcf7f90a4e443e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76da1e390b211774f14d9100b255b75e30b0e205b9f20eb342dcf7f90a4e443e", kill_on_drop: false }`
[INFO] [stdout] 76da1e390b211774f14d9100b255b75e30b0e205b9f20eb342dcf7f90a4e443e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ee279cbffa950bbecfa19cbcdca99b908832c59d9c4b166ef89e383bea0db92
[INFO] running `Command { std: "docker" "start" "-a" "4ee279cbffa950bbecfa19cbcdca99b908832c59d9c4b166ef89e383bea0db92", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/medianheap-69d45d59b5176970
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test median_heap::tests::f32 ... ok
[INFO] [stdout] test median_heap::tests::max_size_8 ... ok
[INFO] [stdout] test median_heap::tests::max_size_balancing ... ok
[INFO] [stdout] test median_heap::tests::max_size_1_asc ... ok
[INFO] [stdout] test median_heap::tests::max_size_1 ... ok
[INFO] [stdout] test median_heap::tests::max_size_1_desc ... ok
[INFO] [stdout] test median_heap::tests::push_descending ... ok
[INFO] [stdout] test median_heap::tests::f64 ... ok
[INFO] [stdout] test median_heap::tests::push ... ok
[INFO] [stdout] test median_heap::tests::push_ascending ... ok
[INFO] [stdout] test median_heap::tests::max_size_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests medianheap
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/median_heap.rs - median_heap::MedianHeap<T>::is_empty (line 131) ... ok
[INFO] [stdout] test src/median_heap.rs - median_heap::MedianHeap<T>::median (line 160) ... ok
[INFO] [stdout] test src/median_heap.rs - median_heap::MedianHeap<T>::new (line 46) ... ok
[INFO] [stdout] test src/median_heap.rs - median_heap::MedianHeap<T>::with_max_size (line 68) ... ok
[INFO] [stdout] test src/median_heap.rs - median_heap::MedianHeap<T>::len (line 111) ... ok
[INFO] [stdout] test src/median_heap.rs - median_heap::MedianHeap<T>::max_size (line 94) ... ok
[INFO] [stdout] test src/median_heap.rs - median_heap::MedianHeap<T>::push (line 199) ... ok
[INFO] [stdout] test src/median_heap.rs - median_heap::MedianHeap<T>::push (line 228) ... ok
[INFO] [stdout] test src/median_heap.rs - median_heap::MedianHeap<T>::push (line 214) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ee279cbffa950bbecfa19cbcdca99b908832c59d9c4b166ef89e383bea0db92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee279cbffa950bbecfa19cbcdca99b908832c59d9c4b166ef89e383bea0db92", kill_on_drop: false }`
[INFO] [stdout] 4ee279cbffa950bbecfa19cbcdca99b908832c59d9c4b166ef89e383bea0db92
