[INFO] fetching crate lending-library 0.2.0...
[INFO] testing lending-library-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate lending-library 0.2.0 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate lending-library 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ea0797e9659078a47ae616d621b331cfd505bca5468d4a2fbbb3cd7bdd73fa9
[INFO] running `Command { std: "docker" "start" "-a" "8ea0797e9659078a47ae616d621b331cfd505bca5468d4a2fbbb3cd7bdd73fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea0797e9659078a47ae616d621b331cfd505bca5468d4a2fbbb3cd7bdd73fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea0797e9659078a47ae616d621b331cfd505bca5468d4a2fbbb3cd7bdd73fa9", kill_on_drop: false }`
[INFO] [stdout] 8ea0797e9659078a47ae616d621b331cfd505bca5468d4a2fbbb3cd7bdd73fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce45885d737cf071a05642b5aa47e7dcd8278e473cd775a21c7ba323ddc20f0c
[INFO] running `Command { std: "docker" "start" "-a" "ce45885d737cf071a05642b5aa47e7dcd8278e473cd775a21c7ba323ddc20f0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lending-library v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[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] 17 -     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stdout] 17 +     iter: Box<dyn Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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] 29 -     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stdout] 29 +     iter: Box<dyn Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "ce45885d737cf071a05642b5aa47e7dcd8278e473cd775a21c7ba323ddc20f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce45885d737cf071a05642b5aa47e7dcd8278e473cd775a21c7ba323ddc20f0c", kill_on_drop: false }`
[INFO] [stdout] ce45885d737cf071a05642b5aa47e7dcd8278e473cd775a21c7ba323ddc20f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b97007d8f728c49acc9a3495119fa54fddf251613eb673ecbe9bc23cb2524ea8
[INFO] running `Command { std: "docker" "start" "-a" "b97007d8f728c49acc9a3495119fa54fddf251613eb673ecbe9bc23cb2524ea8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[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] 17 -     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stdout] 17 +     iter: Box<dyn Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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] 29 -     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stdout] 29 +     iter: Box<dyn Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lending-library v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[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] 17 -     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stdout] 17 +     iter: Box<dyn Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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] 29 -     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stdout] 29 +     iter: Box<dyn Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "b97007d8f728c49acc9a3495119fa54fddf251613eb673ecbe9bc23cb2524ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97007d8f728c49acc9a3495119fa54fddf251613eb673ecbe9bc23cb2524ea8", kill_on_drop: false }`
[INFO] [stdout] b97007d8f728c49acc9a3495119fa54fddf251613eb673ecbe9bc23cb2524ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37707016ac7c33bcecb88b00042e39c227d40bbe39c5f43b5d1b4dee0981bbf8
[INFO] running `Command { std: "docker" "start" "-a" "37707016ac7c33bcecb88b00042e39c227d40bbe39c5f43b5d1b4dee0981bbf8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] 17 -     iter: Box<Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stderr] 17 +     iter: Box<dyn Iterator<Item = (&'a K, &'a V)> + 'a>,
[INFO] [stderr]    | 
[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]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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] 29 -     iter: Box<Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stderr] 29 +     iter: Box<dyn Iterator<Item = (&'a K, &'a mut V)> + 'a>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `lending-library` (lib) generated 2 warnings
[INFO] [stderr] warning: `lending-library` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lending_library-902fd4565762b1f0)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::basic_use ... ok
[INFO] [stdout] test tests::double_insert ... ok
[INFO] [stdout] test tests::capacity ... ok
[INFO] [stdout] test tests::iters ... ok
[INFO] [stdout] test tests::lengths ... ok
[INFO] [stdout] test tests::merge_libs ... ok
[INFO] [stdout] test tests::remove_indempotent ... ok
[INFO] [stdout] test tests::double_checkout - should panic ... ok
[INFO] [stdout] test tests::double_checkout_drop - should panic ... ok
[INFO] [stdout] test tests::double_insert_drop - should panic ... ok
[INFO] [stdout] test tests::double_insert_loaned - should panic ... ok
[INFO] [stdout] test tests::failure_to_return - should panic ... ok
[INFO] [stdout] test tests::double_reinsert - should panic ... ok
[INFO] [stdout] test tests::no_iter_mut_loaned - should panic ... ok
[INFO] [stdout] test tests::no_iter_own_loaned - should panic ... ok
[INFO] [stdout] test tests::returning_none_store - should panic ... ok
[INFO] [stdout] test tests::no_iter_loaned - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lending-library
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[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>::with_capacity (line 149) ... 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>::is_empty (line 239) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K,V>::contains_key (line 283) ... 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] test src/lib.rs - LendingLibrary<K,V>::reserve (line 176) ... 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 - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - LendingLibrary<K,V>::clear (line 253) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37707016ac7c33bcecb88b00042e39c227d40bbe39c5f43b5d1b4dee0981bbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37707016ac7c33bcecb88b00042e39c227d40bbe39c5f43b5d1b4dee0981bbf8", kill_on_drop: false }`
[INFO] [stdout] 37707016ac7c33bcecb88b00042e39c227d40bbe39c5f43b5d1b4dee0981bbf8