[INFO] fetching crate densevec 0.3.5...
[INFO] testing densevec-0.3.5 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate densevec 0.3.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate densevec 0.3.5 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate densevec 0.3.5
[INFO] finished tweaking crates.io crate densevec 0.3.5
[INFO] tweaked toml for crates.io crate densevec 0.3.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02864c95831e1f021d6b08aadbae17120218b68809d9c7136eeb1b440af37240
[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" "02864c95831e1f021d6b08aadbae17120218b68809d9c7136eeb1b440af37240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02864c95831e1f021d6b08aadbae17120218b68809d9c7136eeb1b440af37240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02864c95831e1f021d6b08aadbae17120218b68809d9c7136eeb1b440af37240", kill_on_drop: false }`
[INFO] [stdout] 02864c95831e1f021d6b08aadbae17120218b68809d9c7136eeb1b440af37240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e394e4c140ecf634f7dbb53b6c63673c05cb6df72058d16d3b06948441abd569
[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" "e394e4c140ecf634f7dbb53b6c63673c05cb6df72058d16d3b06948441abd569", kill_on_drop: false }`
[INFO] [stderr]    Compiling densevec v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:515:82
[INFO] [stdout]     |
[INFO] [stdout] 515 |                 let t = mem::replace(self.storage.storage.get_unchecked_mut(id), mem::uninitialized());
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `keys_capacity`
[INFO] [stdout]    --> src/lib.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn keys_capacity(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "e394e4c140ecf634f7dbb53b6c63673c05cb6df72058d16d3b06948441abd569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e394e4c140ecf634f7dbb53b6c63673c05cb6df72058d16d3b06948441abd569", kill_on_drop: false }`
[INFO] [stdout] e394e4c140ecf634f7dbb53b6c63673c05cb6df72058d16d3b06948441abd569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b56b8e1acd9c1cc406e25755fba128e9aa64032decd1b8afb9fe489065fd6b85
[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" "b56b8e1acd9c1cc406e25755fba128e9aa64032decd1b8afb9fe489065fd6b85", kill_on_drop: false }`
[INFO] [stderr]    Compiling densevec v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:515:82
[INFO] [stdout]     |
[INFO] [stdout] 515 |                 let t = mem::replace(self.storage.storage.get_unchecked_mut(id), mem::uninitialized());
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `keys_capacity`
[INFO] [stdout]    --> src/lib.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn keys_capacity(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:515:82
[INFO] [stdout]     |
[INFO] [stdout] 515 |                 let t = mem::replace(self.storage.storage.get_unchecked_mut(id), mem::uninitialized());
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/lib.rs:1370:19
[INFO] [stdout]      |
[INFO] [stdout] 1370 |             .map(|i| a.insert_key_gen(0))
[INFO] [stdout]      |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `keys_capacity`
[INFO] [stdout]    --> src/lib.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn keys_capacity(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "b56b8e1acd9c1cc406e25755fba128e9aa64032decd1b8afb9fe489065fd6b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56b8e1acd9c1cc406e25755fba128e9aa64032decd1b8afb9fe489065fd6b85", kill_on_drop: false }`
[INFO] [stdout] b56b8e1acd9c1cc406e25755fba128e9aa64032decd1b8afb9fe489065fd6b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 66bc8acea6e471dbf5e186396108b06393600923513bf064058cc7a254fe3723
[INFO] running `Command { std: "docker" "start" "-a" "66bc8acea6e471dbf5e186396108b06393600923513bf064058cc7a254fe3723", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:515:82
[INFO] [stderr]     |
[INFO] [stderr] 515 |                 let t = mem::replace(self.storage.storage.get_unchecked_mut(id), mem::uninitialized());
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `keys_capacity`
[INFO] [stderr]    --> src/lib.rs:149:8
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn keys_capacity(&self) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:515:82
[INFO] [stderr]     |
[INFO] [stderr] 515 |                 let t = mem::replace(self.storage.storage.get_unchecked_mut(id), mem::uninitialized());
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]     --> src/lib.rs:1370:19
[INFO] [stderr]      |
[INFO] [stderr] 1370 |             .map(|i| a.insert_key_gen(0))
[INFO] [stderr]      |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `keys_capacity`
[INFO] [stderr]    --> src/lib.rs:149:8
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn keys_capacity(&self) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/densevec-b966ada4d670c227
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test test_map::test_capacity_not_less_than_len ... ok
[INFO] [stdout] test test_map::test_create_capacity_zero ... ok
[INFO] [stdout] test test_map::test_empty_entry ... ok
[INFO] [stdout] test test_map::test_conflict_remove ... ok
[INFO] [stdout] test test_map::test_empty_iter ... ok
[INFO] [stdout] test test_map::test_clone ... ok
[INFO] [stdout] test test_map::test_entry ... ok
[INFO] [stdout] test test_map::test_extend_ref ... ok
[INFO] [stdout] test test_map::test_from_iter ... ok
[INFO] [stdout] test test_map::test_find ... ok
[INFO] [stdout] test test_map::test_is_empty ... ok
[INFO] [stdout] test test_map::test_find_mut ... ok
[INFO] [stdout] test test_map::test_iter_mut_len ... ok
[INFO] [stdout] test test_map::test_insert ... ok
[INFO] [stdout] test test_map::test_keys ... ok
[INFO] [stdout] test test_map::test_occupied_entry_key ... ok
[INFO] [stdout] test test_map::test_iterate ... ok
[INFO] [stdout] test test_map::test_insert_overwrite ... ok
[INFO] [stdout] test test_map::test_mut_size_hint ... ok
[INFO] [stdout] test test_map::test_key_gen ... ok
[INFO] [stdout] test test_map::test_show ... ok
[INFO] [stdout] test test_map::test_values_mut ... ok
[INFO] [stdout] test test_map::test_zero_capacities ... ok
[INFO] [stdout] test test_map::test_eq ... ok
[INFO] [stdout] test test_map::test_vacant_entry_key ... ok
[INFO] [stdout] test test_map::test_iter_len ... ok
[INFO] [stdout] test test_map::test_expand ... ok
[INFO] [stdout] test test_map::test_index ... ok
[INFO] [stdout] test test_map::test_empty_remove ... ok
[INFO] [stdout] test test_map::test_size_hint ... ok
[INFO] [stdout] test test_map::test_remove ... ok
[INFO] [stdout] test test_map::test_values ... ok
[INFO] [stdout] test test_map::test_insert_conflicts ... ok
[INFO] [stdout] test test_map::test_reserve_shrink_to_fit ... ok
[INFO] [stdout] test test_map::test_index_nonexistent ... ok
[INFO] [stdout] test test_map::test_lots_of_insertions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests densevec
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66bc8acea6e471dbf5e186396108b06393600923513bf064058cc7a254fe3723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bc8acea6e471dbf5e186396108b06393600923513bf064058cc7a254fe3723", kill_on_drop: false }`
[INFO] [stdout] 66bc8acea6e471dbf5e186396108b06393600923513bf064058cc7a254fe3723