[INFO] fetching crate binomial-heap 0.2.0...
[INFO] testing binomial-heap-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate binomial-heap 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate binomial-heap 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate binomial-heap 0.2.0
[INFO] finished tweaking crates.io crate binomial-heap 0.2.0
[INFO] tweaked toml for crates.io crate binomial-heap 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf1dccb20aa0740b271c46ee2b7ea9d0b3fab6c9429321022e6deaad05556008
[INFO] running `Command { std: "docker" "start" "-a" "bf1dccb20aa0740b271c46ee2b7ea9d0b3fab6c9429321022e6deaad05556008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf1dccb20aa0740b271c46ee2b7ea9d0b3fab6c9429321022e6deaad05556008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf1dccb20aa0740b271c46ee2b7ea9d0b3fab6c9429321022e6deaad05556008", kill_on_drop: false }`
[INFO] [stdout] bf1dccb20aa0740b271c46ee2b7ea9d0b3fab6c9429321022e6deaad05556008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fa75ff284b2104a6345550dc5d874bda7af1d56fa1fadff3db3bc7e4003ef42
[INFO] running `Command { std: "docker" "start" "-a" "0fa75ff284b2104a6345550dc5d874bda7af1d56fa1fadff3db3bc7e4003ef42", kill_on_drop: false }`
[INFO] [stderr]    Compiling binomial-heap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "0fa75ff284b2104a6345550dc5d874bda7af1d56fa1fadff3db3bc7e4003ef42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa75ff284b2104a6345550dc5d874bda7af1d56fa1fadff3db3bc7e4003ef42", kill_on_drop: false }`
[INFO] [stdout] 0fa75ff284b2104a6345550dc5d874bda7af1d56fa1fadff3db3bc7e4003ef42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a98e30ceaf879b2117055e786377730b9a70e8a764062ba85dfc95b6ac3ebe55
[INFO] running `Command { std: "docker" "start" "-a" "a98e30ceaf879b2117055e786377730b9a70e8a764062ba85dfc95b6ac3ebe55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling binomial-heap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/test.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stdout] 77 +     fn shrink(&self) -> Box<dyn Iterator<Item = Self>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "a98e30ceaf879b2117055e786377730b9a70e8a764062ba85dfc95b6ac3ebe55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98e30ceaf879b2117055e786377730b9a70e8a764062ba85dfc95b6ac3ebe55", kill_on_drop: false }`
[INFO] [stdout] a98e30ceaf879b2117055e786377730b9a70e8a764062ba85dfc95b6ac3ebe55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d3a482e45c9482371816a8f45cf0165abe7dd0c89fb6fe55cd255c868267a63
[INFO] running `Command { std: "docker" "start" "-a" "2d3a482e45c9482371816a8f45cf0165abe7dd0c89fb6fe55cd255c868267a63", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/test.rs:77:29
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 77 -     fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stderr] 77 +     fn shrink(&self) -> Box<dyn Iterator<Item = Self>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `binomial-heap` (test "test") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-de93cfc730873331)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_drain ... ok
[INFO] [stdout] test test_consistent_with_binary_heap ... ok
[INFO] [stdout] test test_append ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stderr]    Doc-tests binomial-heap
[INFO] [stdout] test test_into_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - BinomialHeap<T>::push_pop (line 99) ... ok
[INFO] [stdout] test src/lib.rs - BinomialHeap<T>::replace (line 116) ... ok
[INFO] [stdout] test src/lib.rs - BinomialHeap<T>::append (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d3a482e45c9482371816a8f45cf0165abe7dd0c89fb6fe55cd255c868267a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3a482e45c9482371816a8f45cf0165abe7dd0c89fb6fe55cd255c868267a63", kill_on_drop: false }`
[INFO] [stdout] 2d3a482e45c9482371816a8f45cf0165abe7dd0c89fb6fe55cd255c868267a63