[INFO] fetching crate densevec 0.3.5...
[INFO] testing densevec-0.3.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate densevec 0.3.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate densevec 0.3.5 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eefd18fe50da06f0ca9cda112da3525985e889ebc70d220042058156d2e71e90
[INFO] running `Command { std: "docker" "start" "-a" "eefd18fe50da06f0ca9cda112da3525985e889ebc70d220042058156d2e71e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eefd18fe50da06f0ca9cda112da3525985e889ebc70d220042058156d2e71e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eefd18fe50da06f0ca9cda112da3525985e889ebc70d220042058156d2e71e90", kill_on_drop: false }`
[INFO] [stdout] eefd18fe50da06f0ca9cda112da3525985e889ebc70d220042058156d2e71e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef8ee1340b27588748eb6f871c4ffaa7821ef12992d987ae2d658ce5d7c1d933
[INFO] running `Command { std: "docker" "start" "-a" "ef8ee1340b27588748eb6f871c4ffaa7821ef12992d987ae2d658ce5d7c1d933", kill_on_drop: false }`
[INFO] [stderr]    Compiling densevec v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:515:87
[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 0.85s
[INFO] running `Command { std: "docker" "inspect" "ef8ee1340b27588748eb6f871c4ffaa7821ef12992d987ae2d658ce5d7c1d933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8ee1340b27588748eb6f871c4ffaa7821ef12992d987ae2d658ce5d7c1d933", kill_on_drop: false }`
[INFO] [stdout] ef8ee1340b27588748eb6f871c4ffaa7821ef12992d987ae2d658ce5d7c1d933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ee6626138f74f3344c736d836e5e87a715da258b1ab61f676b68e62749661a
[INFO] running `Command { std: "docker" "start" "-a" "01ee6626138f74f3344c736d836e5e87a715da258b1ab61f676b68e62749661a", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:515:87
[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] [stderr]    Compiling densevec v0.3.5 (/opt/rustwide/workdir)
[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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:515:87
[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 1.58s
[INFO] running `Command { std: "docker" "inspect" "01ee6626138f74f3344c736d836e5e87a715da258b1ab61f676b68e62749661a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ee6626138f74f3344c736d836e5e87a715da258b1ab61f676b68e62749661a", kill_on_drop: false }`
[INFO] [stdout] 01ee6626138f74f3344c736d836e5e87a715da258b1ab61f676b68e62749661a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0303e6a80d6e81d9ce44a407d9eb44fb9c4c0e318f2c888ae1b0fb1f736f52a1
[INFO] running `Command { std: "docker" "start" "-a" "0303e6a80d6e81d9ce44a407d9eb44fb9c4c0e318f2c888ae1b0fb1f736f52a1", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:515:87
[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: `densevec` (lib) generated 2 warnings
[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: `densevec` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/densevec-a30688332c5d54a3)
[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_conflict_remove ... ok
[INFO] [stdout] test test_map::test_find_mut ... ok
[INFO] [stdout] test test_map::test_find ... ok
[INFO] [stdout] test test_map::test_empty_remove ... ok
[INFO] [stdout] test test_map::test_iter_len ... ok
[INFO] [stdout] test test_map::test_iter_mut_len ... ok
[INFO] [stdout] test test_map::test_iterate ... ok
[INFO] [stdout] test test_map::test_insert_overwrite ... ok
[INFO] [stdout] test test_map::test_is_empty ... ok
[INFO] [stdout] test test_map::test_extend_ref ... ok
[INFO] [stdout] test test_map::test_eq ... ok
[INFO] [stdout] test test_map::test_expand ... ok
[INFO] [stdout] test test_map::test_from_iter ... ok
[INFO] [stdout] test test_map::test_index ... ok
[INFO] [stdout] test test_map::test_insert ... ok
[INFO] [stdout] test test_map::test_clone ... ok
[INFO] [stdout] test test_map::test_create_capacity_zero ... ok
[INFO] [stdout] test test_map::test_keys ... ok
[INFO] [stdout] test test_map::test_empty_entry ... ok
[INFO] [stdout] test test_map::test_entry ... ok
[INFO] [stdout] test test_map::test_insert_conflicts ... ok
[INFO] [stdout] test test_map::test_mut_size_hint ... ok
[INFO] [stdout] test test_map::test_empty_iter ... ok
[INFO] [stdout] test test_map::test_key_gen ... ok
[INFO] [stdout] test test_map::test_index_nonexistent - should panic ... ok
[INFO] [stdout] test test_map::test_occupied_entry_key ... ok
[INFO] [stdout] test test_map::test_remove ... ok
[INFO] [stdout] test test_map::test_show ... ok
[INFO] [stdout] test test_map::test_zero_capacities ... ok
[INFO] [stdout] test test_map::test_values_mut ... ok
[INFO] [stdout] test test_map::test_size_hint ... ok
[INFO] [stdout] test test_map::test_vacant_entry_key ... ok
[INFO] [stdout] test test_map::test_reserve_shrink_to_fit ... ok
[INFO] [stdout] test test_map::test_values ... ok
[INFO] [stderr]    Doc-tests densevec
[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; finished in 4.71s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0303e6a80d6e81d9ce44a407d9eb44fb9c4c0e318f2c888ae1b0fb1f736f52a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0303e6a80d6e81d9ce44a407d9eb44fb9c4c0e318f2c888ae1b0fb1f736f52a1", kill_on_drop: false }`
[INFO] [stdout] 0303e6a80d6e81d9ce44a407d9eb44fb9c4c0e318f2c888ae1b0fb1f736f52a1