[INFO] fetching crate lending-library 0.2.0...
[INFO] testing lending-library-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate lending-library 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lending-library 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lending-library 0.2.0
[INFO] finished tweaking crates.io crate lending-library 0.2.0
[INFO] tweaked toml for crates.io crate lending-library 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b36af3aaeecbe702b4d66a635b84c0fd10a00b5fed60e8386335d4071328c553
[INFO] running `"docker" "start" "-a" "b36af3aaeecbe702b4d66a635b84c0fd10a00b5fed60e8386335d4071328c553"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lending-library v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a V)> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a mut V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "b36af3aaeecbe702b4d66a635b84c0fd10a00b5fed60e8386335d4071328c553"`
[INFO] running `"docker" "rm" "-f" "b36af3aaeecbe702b4d66a635b84c0fd10a00b5fed60e8386335d4071328c553"`
[INFO] [stdout] b36af3aaeecbe702b4d66a635b84c0fd10a00b5fed60e8386335d4071328c553
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52bac00dc2b61549944cdf92016dcf2b4e60bb3a41cb3c0a03ae700fbef54472
[INFO] running `"docker" "start" "-a" "52bac00dc2b61549944cdf92016dcf2b4e60bb3a41cb3c0a03ae700fbef54472"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lending-library v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a V)> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a mut V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a V)> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a mut V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "52bac00dc2b61549944cdf92016dcf2b4e60bb3a41cb3c0a03ae700fbef54472"`
[INFO] running `"docker" "rm" "-f" "52bac00dc2b61549944cdf92016dcf2b4e60bb3a41cb3c0a03ae700fbef54472"`
[INFO] [stdout] 52bac00dc2b61549944cdf92016dcf2b4e60bb3a41cb3c0a03ae700fbef54472
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16bb43e51f52abf9e0636f806e9efb3a7be9dde6fb4477f223de8d7bc3b547e9
[INFO] running `"docker" "start" "-a" "16bb43e51f52abf9e0636f806e9efb3a7be9dde6fb4477f223de8d7bc3b547e9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a V)> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a mut V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a V)> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/iter.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (&'a K, &'a mut V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lending_library-99d03b7df5958101
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::capacity ... ok
[INFO] [stdout] test tests::basic_use ... ok
[INFO] [stdout] test tests::merge_libs ... ok
[INFO] [stdout] test tests::iters ... ok
[INFO] [stdout] test tests::remove_indempotent ... ok
[INFO] [stdout] test tests::lengths ... ok
[INFO] [stdout] test tests::double_insert ... ok
[INFO] [stdout] test tests::double_reinsert ... ok
[INFO] [stdout] test tests::no_iter_own_loaned ... ok
[INFO] [stdout] test tests::no_iter_mut_loaned ... ok
[INFO] [stdout] test tests::no_iter_loaned ... ok
[INFO] [stdout] test tests::failure_to_return ... ok
[INFO] [stdout] test tests::returning_none_store ... ok
[INFO] [stdout] test tests::double_checkout ... ok
[INFO] [stdout] test tests::double_insert_loaned ... ok
[INFO] [stdout] test tests::double_insert_drop ... ok
[INFO] [stdout] test tests::double_checkout_drop ... ok
[INFO] [stderr]    Doc-tests lending-library
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::reserve (line 176) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::with_capacity (line 149) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::capacity (line 165) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::new (line 135) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::is_empty (line 239) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::insert (line 306) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::len (line 220) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::shrink_to_fit (line 189) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::contains_key (line 283) ... ok
[INFO] [stdout] test src/lib.rs -  (line 14) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::clear (line 253) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::lend (line 359) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K, V>::remove (line 327) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "16bb43e51f52abf9e0636f806e9efb3a7be9dde6fb4477f223de8d7bc3b547e9"`
[INFO] running `"docker" "rm" "-f" "16bb43e51f52abf9e0636f806e9efb3a7be9dde6fb4477f223de8d7bc3b547e9"`
[INFO] [stdout] 16bb43e51f52abf9e0636f806e9efb3a7be9dde6fb4477f223de8d7bc3b547e9