[INFO] cloning repository https://github.com/rklaehn/rust-nursery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rklaehn/rust-nursery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Frust-nursery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Frust-nursery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d9cabeafe1b0bb90ccbf54d168bc0376e23c658
[INFO] testing rklaehn/rust-nursery against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Frust-nursery" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rklaehn/rust-nursery on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rklaehn/rust-nursery
[INFO] finished tweaking git repo https://github.com/rklaehn/rust-nursery
[INFO] tweaked toml for git repo https://github.com/rklaehn/rust-nursery written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/rklaehn/rust-nursery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sorted-iter v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f01779c45d7285af8be5dd592547b480ebe62248336d4b0bcf252b3cc895dd0
[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" "3f01779c45d7285af8be5dd592547b480ebe62248336d4b0bcf252b3cc895dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f01779c45d7285af8be5dd592547b480ebe62248336d4b0bcf252b3cc895dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f01779c45d7285af8be5dd592547b480ebe62248336d4b0bcf252b3cc895dd0", kill_on_drop: false }`
[INFO] [stdout] 3f01779c45d7285af8be5dd592547b480ebe62248336d4b0bcf252b3cc895dd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f2718c019e12c3da6f6058c90a2c264acb7ad840c36c3bd7ccc60dc1e38ae4d
[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" "4f2718c019e12c3da6f6058c90a2c264acb7ad840c36c3bd7ccc60dc1e38ae4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling sorted-iter v0.1.5
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling alga v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling vec-collections v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `VecSet`
[INFO] [stdout]  --> src/total_vec_set.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{VecSet, VecSet2};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnsafeSliceMergeState`
[INFO] [stdout]  --> src/vec_set.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |     UnsafeInPlaceMergeState, UnsafeSliceMergeState, VecMergeState, SmallVecInPlaceMergeState,
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/flip_buffer/small_vec_builder.rs:177:57
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let v = std::mem::replace(&mut self.v, unsafe { std::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: `merge`
[INFO] [stdout]   --> src/merge_state.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn merge<O: MergeOperation<A::Item, B::Item, Self>>(a: &mut SmallVec<A>, b: SmallVec<B>, o: O) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `merge`
[INFO] [stdout]    --> src/merge_state.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub fn merge<O: MergeOperation<A, B, Self>>(a: &'a [A], b: &'a [B], o: O) -> SmallVec<Arr> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `merge`
[INFO] [stdout]    --> src/merge_state.rs:476:12
[INFO] [stdout]     |
[INFO] [stdout] 476 |     pub fn merge<O: ShortcutMergeOperation<T, T, Self>>(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dedup`
[INFO] [stdout]   --> src/dedup.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `single`
[INFO] [stdout]   --> src/radix_tree.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn single(key: Vec<K>, value: V) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `filter_map_values`
[INFO] [stdout]   --> src/radix_tree.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn filter_map_values<W>(self, f: &impl Fn(V) -> Option<W>) -> Option<TagTree<K, W>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inner_join_with`
[INFO] [stdout]    --> src/radix_tree.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn inner_join_with(&self, that: &Self, f: &impl Fn(&V, &V) -> Option<V>) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min`
[INFO] [stdout]    --> src/radix_tree.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn min(&self, that: &Self) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max`
[INFO] [stdout]    --> src/radix_tree.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn max(&self, that: &Self) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_range_bounds`
[INFO] [stdout]    --> src/range_set.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn from_range_bounds<R: RangeBounds<T>>(r: R) -> std::result::Result<Self, ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.97s
[INFO] running `Command { std: "docker" "inspect" "4f2718c019e12c3da6f6058c90a2c264acb7ad840c36c3bd7ccc60dc1e38ae4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2718c019e12c3da6f6058c90a2c264acb7ad840c36c3bd7ccc60dc1e38ae4d", kill_on_drop: false }`
[INFO] [stdout] 4f2718c019e12c3da6f6058c90a2c264acb7ad840c36c3bd7ccc60dc1e38ae4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2327bec2f12b21d7128890ff7cf893098da73348346e5180f77677c37810455c
[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" "2327bec2f12b21d7128890ff7cf893098da73348346e5180f77677c37810455c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stdout] warning: unused import: `VecSet`
[INFO] [stdout]  --> src/total_vec_set.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{VecSet, VecSet2};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnsafeSliceMergeState`
[INFO] [stdout]  --> src/vec_set.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |     UnsafeInPlaceMergeState, UnsafeSliceMergeState, VecMergeState, SmallVecInPlaceMergeState,
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/flip_buffer/small_vec_builder.rs:177:57
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let v = std::mem::replace(&mut self.v, unsafe { std::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: `merge`
[INFO] [stdout]   --> src/merge_state.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn merge<O: MergeOperation<A::Item, B::Item, Self>>(a: &mut SmallVec<A>, b: SmallVec<B>, o: O) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `merge`
[INFO] [stdout]    --> src/merge_state.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub fn merge<O: MergeOperation<A, B, Self>>(a: &'a [A], b: &'a [B], o: O) -> SmallVec<Arr> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `merge`
[INFO] [stdout]    --> src/merge_state.rs:476:12
[INFO] [stdout]     |
[INFO] [stdout] 476 |     pub fn merge<O: ShortcutMergeOperation<T, T, Self>>(
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dedup`
[INFO] [stdout]   --> src/dedup.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `single`
[INFO] [stdout]   --> src/radix_tree.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn single(key: Vec<K>, value: V) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `filter_map_values`
[INFO] [stdout]   --> src/radix_tree.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn filter_map_values<W>(self, f: &impl Fn(V) -> Option<W>) -> Option<TagTree<K, W>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inner_join_with`
[INFO] [stdout]    --> src/radix_tree.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn inner_join_with(&self, that: &Self, f: &impl Fn(&V, &V) -> Option<V>) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `min`
[INFO] [stdout]    --> src/radix_tree.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn min(&self, that: &Self) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max`
[INFO] [stdout]    --> src/radix_tree.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn max(&self, that: &Self) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_range_bounds`
[INFO] [stdout]    --> src/range_set.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn from_range_bounds<R: RangeBounds<T>>(r: R) -> std::result::Result<Self, ()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling vec-collections v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecSet`
[INFO] [stdout]  --> src/total_vec_set.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{VecSet, VecSet2};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/flip_buffer/small_vec_builder.rs:177:57
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let v = std::mem::replace(&mut self.v, unsafe { std::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: `merge`
[INFO] [stdout]   --> src/merge_state.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn merge<O: MergeOperation<A::Item, B::Item, Self>>(a: &mut SmallVec<A>, b: SmallVec<B>, o: O) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `merge`
[INFO] [stdout]    --> src/merge_state.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub fn merge<O: MergeOperation<A, B, Self>>(a: &'a [A], b: &'a [B], o: O) -> SmallVec<Arr> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_on_failure_unary`
[INFO] [stdout]    --> src/total_vec_set.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn print_on_failure_unary<E: Debug, R: Eq + Debug>(x: E, expected: R, actual: R) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dedup`
[INFO] [stdout]   --> src/dedup.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `filter_map_values`
[INFO] [stdout]   --> src/radix_tree.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn filter_map_values<W>(self, f: &impl Fn(V) -> Option<W>) -> Option<TagTree<K, W>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max`
[INFO] [stdout]    --> src/radix_tree.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn max(&self, that: &Self) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.62s
[INFO] running `Command { std: "docker" "inspect" "2327bec2f12b21d7128890ff7cf893098da73348346e5180f77677c37810455c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2327bec2f12b21d7128890ff7cf893098da73348346e5180f77677c37810455c", kill_on_drop: false }`
[INFO] [stdout] 2327bec2f12b21d7128890ff7cf893098da73348346e5180f77677c37810455c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04a7ba2cc02436243545ebd37884daeec36322ab4ce5d281f35035203952cd2a
[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" "04a7ba2cc02436243545ebd37884daeec36322ab4ce5d281f35035203952cd2a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `VecSet`
[INFO] [stderr]  --> src/total_vec_set.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{VecSet, VecSet2};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UnsafeSliceMergeState`
[INFO] [stderr]  --> src/vec_set.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 |     UnsafeInPlaceMergeState, UnsafeSliceMergeState, VecMergeState, SmallVecInPlaceMergeState,
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/flip_buffer/small_vec_builder.rs:177:57
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let v = std::mem::replace(&mut self.v, unsafe { std::mem::uninitialized() });
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `merge`
[INFO] [stderr]   --> src/merge_state.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn merge<O: MergeOperation<A::Item, B::Item, Self>>(a: &mut SmallVec<A>, b: SmallVec<B>, o: O) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `merge`
[INFO] [stderr]    --> src/merge_state.rs:344:12
[INFO] [stderr]     |
[INFO] [stderr] 344 |     pub fn merge<O: MergeOperation<A, B, Self>>(a: &'a [A], b: &'a [B], o: O) -> SmallVec<Arr> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `merge`
[INFO] [stderr]    --> src/merge_state.rs:476:12
[INFO] [stderr]     |
[INFO] [stderr] 476 |     pub fn merge<O: ShortcutMergeOperation<T, T, Self>>(
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]   --> src/dedup.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `single`
[INFO] [stderr]   --> src/radix_tree.rs:87:8
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn single(key: Vec<K>, value: V) -> Self {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `filter_map_values`
[INFO] [stderr]   --> src/radix_tree.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn filter_map_values<W>(self, f: &impl Fn(V) -> Option<W>) -> Option<TagTree<K, W>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `inner_join_with`
[INFO] [stderr]    --> src/radix_tree.rs:142:8
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn inner_join_with(&self, that: &Self, f: &impl Fn(&V, &V) -> Option<V>) -> Option<Self> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `min`
[INFO] [stderr]    --> src/radix_tree.rs:164:8
[INFO] [stderr]     |
[INFO] [stderr] 164 |     fn min(&self, that: &Self) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `max`
[INFO] [stderr]    --> src/radix_tree.rs:169:8
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn max(&self, that: &Self) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_range_bounds`
[INFO] [stderr]    --> src/range_set.rs:175:8
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn from_range_bounds<R: RangeBounds<T>>(r: R) -> std::result::Result<Self, ()> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VecSet`
[INFO] [stderr]  --> src/total_vec_set.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{VecSet, VecSet2};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/flip_buffer/small_vec_builder.rs:177:57
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let v = std::mem::replace(&mut self.v, unsafe { std::mem::uninitialized() });
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `merge`
[INFO] [stderr]   --> src/merge_state.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn merge<O: MergeOperation<A::Item, B::Item, Self>>(a: &mut SmallVec<A>, b: SmallVec<B>, o: O) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `merge`
[INFO] [stderr]    --> src/merge_state.rs:344:12
[INFO] [stderr]     |
[INFO] [stderr] 344 |     pub fn merge<O: MergeOperation<A, B, Self>>(a: &'a [A], b: &'a [B], o: O) -> SmallVec<Arr> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_on_failure_unary`
[INFO] [stderr]    --> src/total_vec_set.rs:285:8
[INFO] [stderr]     |
[INFO] [stderr] 285 |     fn print_on_failure_unary<E: Debug, R: Eq + Debug>(x: E, expected: R, actual: R) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]   --> src/dedup.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn dedup<T: Eq>(d: &mut [T], keep: Keep) -> usize {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `filter_map_values`
[INFO] [stderr]   --> src/radix_tree.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn filter_map_values<W>(self, f: &impl Fn(V) -> Option<W>) -> Option<TagTree<K, W>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `max`
[INFO] [stderr]    --> src/radix_tree.rs:169:8
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn max(&self, that: &Self) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vec_collections-8d7ac19163b33237
[INFO] [stdout] 
[INFO] [stdout] running 137 tests
[INFO] [stdout] test dedup::tests::sort_and_dedup_by_test ... ok
[INFO] [stdout] test flip_buffer::small_vec_builder::tests::drop_just_source ... ok
[INFO] [stdout] test flip_buffer::small_vec_builder::tests::source_drop_all ... ok
[INFO] [stdout] test flip_buffer::small_vec_builder::tests::source_move_some ... ok
[INFO] [stdout] test flip_buffer::small_vec_builder::tests::source_drop_some ... ok
[INFO] [stdout] test flip_buffer::small_vec_builder::tests::source_move_all ... ok
[INFO] [stdout] test dedup::tests::sort_and_dedup_check ... ok
[INFO] [stdout] test flip_buffer::small_vec_builder::tests::target_push_gap ... ok
[INFO] [stdout] test flip_buffer::tests::builder ... ok
[INFO] [stdout] test flip_buffer::tests::source_drop_all ... ok
[INFO] [stdout] test flip_buffer::small_vec_builder::tests::source_pop_some ... ok
[INFO] [stdout] test flip_buffer::tests::drop_just_source ... ok
[INFO] [stdout] test flip_buffer::tests::target_push_gap ... ok
[INFO] [stdout] test flip_buffer::tests::source_pop_some ... ok
[INFO] [stdout] test radix_tree::tests::smoke_test ... ok
[INFO] [stdout] test dedup::tests::dsort_and_dedup_by_check ... ok
[INFO] [stdout] test flip_buffer::tests::source_move_some ... ok
[INFO] [stdout] test flip_buffer::tests::source_drop_some ... ok
[INFO] [stdout] test flip_buffer::tests::source_move_all ... ok
[INFO] [stdout] test range_set::tests::bitxor_empty_neutral ... ok
[INFO] [stdout] test range_set::tests::all_is_all ... ok
[INFO] [stdout] test range_set::tests::bitand_all_neutral ... ok
[INFO] [stdout] test range_set::tests::bitor_all_all ... ok
[INFO] [stdout] test range_set::tests::bitor_empty_neutral ... ok
[INFO] [stdout] test range_set::tests::bitor_symmetric ... ok
[INFO] [stdout] test range_set::tests::bitand_empty_neutral ... ok
[INFO] [stdout] test range_set::tests::smoke_test ... ok
[INFO] [stdout] test range_set::tests::bitxor_all_not ... ok
[INFO] [stdout] test range_set::tests::bitxor_symmetric ... ok
[INFO] [stdout] test range_set::tests::bitand_symmetric ... ok
[INFO] [stdout] test range_set::tests::bitor_assign_consistent ... ok
[INFO] [stdout] test range_set::tests::bitand_assign_consistent ... ok
[INFO] [stdout] test range_set::tests::not_not_neutral ... ok
[INFO] [stdout] test range_set::tests::sub_all_not ... ok
[INFO] [stdout] test sonic_reducer::tests::reduce_numbers ... ok
[INFO] [stdout] test range_set::tests::bitxor_assign_consistent ... ok
[INFO] [stdout] test range_set::tests::ranges_consistent ... ok
[INFO] [stdout] test range_set::tests::sub_empty_neutral ... ok
[INFO] [stdout] test sonic_reducer::tests::sum ... ok
[INFO] [stdout] test range_set::tests::sub_assign_consistent ... ok
[INFO] [stdout] test range_set::tests::negation_check ... ok
[INFO] [stdout] test total_vec_map::tests::prop_is_commutative ... ok
[INFO] [stdout] test total_vec_set::tests::bitand_all_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::all_is_all ... ok
[INFO] [stdout] test range_set::tests::is_disjoint_sample ... ok
[INFO] [stdout] test total_vec_set::tests::bitor_all_all ... ok
[INFO] [stdout] test range_set::tests::sub_bitand_not ... ok
[INFO] [stdout] test total_vec_set::tests::bitand_assign_consistent ... ok
[INFO] [stdout] test total_vec_set::tests::bitand_symmetric ... ok
[INFO] [stdout] test total_vec_set::tests::bitand_empty_neutral ... ok
[INFO] [stdout] test total_vec_map::tests::prop_operating_identity_element_is_noop_additive ... ok
[INFO] [stdout] test total_vec_set::tests::bitxor_all_not ... ok
[INFO] [stdout] test total_vec_map::tests::index ... ok
[INFO] [stdout] test total_vec_set::tests::bitxor_empty_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::bitxor_assign_consistent ... ok
[INFO] [stdout] test total_vec_set::tests::bitor_empty_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::bitxor_symmetric ... ok
[INFO] [stdout] test total_vec_set::tests::bitor_symmetric ... ok
[INFO] [stdout] test total_vec_set::tests::bitor_assign_consistent ... ok
[INFO] [stdout] test total_vec_set::tests::is_subset_sample ... ok
[INFO] [stdout] test total_vec_set::tests::is_disjoint_sample ... ok
[INFO] [stdout] test total_vec_set::tests::sub_bitand_not ... ok
[INFO] [stdout] test total_vec_set::tests::sub_all_not ... ok
[INFO] [stdout] test total_vec_set::tests::diff_sample ... ok
[INFO] [stdout] test total_vec_set::tests::not_not_neutral ... ok
[INFO] [stdout] test total_vec_set::tests::intersection_sample ... ok
[INFO] [stdout] test vec_map::tests::smoke_test ... ok
[INFO] [stdout] test vec_seq::tests::test_basic_usage ... ok
[INFO] [stdout] test total_vec_set::tests::xor_sample ... ok
[INFO] [stdout] test total_vec_set::tests::union_sample ... ok
[INFO] [stdout] test total_vec_map::tests::prop_is_associative_additive ... ok
[INFO] [stdout] test total_vec_set::tests::sub_empty_neutral ... ok
[INFO] [stdout] test range_set::tests::intersection_check ... ok
[INFO] [stdout] test total_vec_set::tests::sub_assign_consistent ... ok
[INFO] [stdout] test range_set::tests::difference_check ... ok
[INFO] [stdout] test vec_set::test2::bitor_empty_neutral ... ok
[INFO] [stdout] test vec_set::test2::bitxor_empty_neutral ... ok
[INFO] [stdout] test vec_set::test2::bitand_empty_neutral ... ok
[INFO] [stdout] test vec_set::test2::bitand_symmetric ... ok
[INFO] [stdout] test vec_set::test2::full_in_place_merge ... ok
[INFO] [stdout] test vec_set::test2::bitor_symmetric ... ok
[INFO] [stdout] test vec_set::test2::empty_is_empty_consistent ... ok
[INFO] [stdout] test range_set::tests::is_subset_sample ... ok
[INFO] [stdout] test vec_set::test2::bitxor_symmetric ... ok
[INFO] [stdout] test vec_set::test2::is_disjoint_bitand_consistent ... ok
[INFO] [stdout] test vec_set::test2::contains ... ok
[INFO] [stdout] test range_set::tests::union_check ... ok
[INFO] [stdout] test vec_set::test2::is_subset_bitand_consistent ... ok
[INFO] [stdout] test total_vec_map::tests::infimum ... ok
[INFO] [stdout] test total_vec_map::tests::supremum ... ok
[INFO] [stdout] test vec_map::tests::inner_join ... ok
[INFO] [stdout] test vec_map::tests::outer_join ... ok
[INFO] [stdout] test vec_set::test2::sub_empty_neutral ... ok
[INFO] [stdout] test vec_set::test2::intersection ... ok
[INFO] [stdout] test vec_set::test2::difference ... ok
[INFO] [stdout] test vec_set::test2::is_subset_is_superset_consistent ... ok
[INFO] [stdout] test vec_set::test2::is_disjoint ... ok
[INFO] [stdout] test range_set::tests::xor_check ... ok
[INFO] [stdout] test vec_set::test2::is_subset ... ok
[INFO] [stdout] test vec_set::test2::intersection_sample ... ok
[INFO] [stdout] test vec_set::test::bitor_empty_neutral ... ok
[INFO] [stdout] test vec_set::test::bitand_empty_neutral ... ok
[INFO] [stdout] test vec_set::test::bitand_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::bitxor_symmetric ... ok
[INFO] [stdout] test vec_set::test::bitand_symmetric ... ok
[INFO] [stdout] test vec_set::test::empty_is_empty_consistent ... ok
[INFO] [stdout] test vec_set::test::full_in_place_merge ... ok
[INFO] [stdout] test vec_set::test::bitxor_empty_neutral ... ok
[INFO] [stdout] test vec_set::test::bitor_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::contains ... ok
[INFO] [stdout] test vec_set::test::bitor_symmetric ... ok
[INFO] [stdout] test vec_set::test::difference ... ok
[INFO] [stdout] test vec_set::test::bitxor_assign_consistent ... ok
[INFO] [stdout] test vec_set::test2::union ... ok
[INFO] [stdout] test vec_set::test2::is_disjoint_sample ... ok
[INFO] [stdout] test vec_set::test2::xor ... ok
[INFO] [stdout] test vec_set::test::intersection ... ok
[INFO] [stdout] test vec_set::test::is_subset_is_superset_consistent ... ok
[INFO] [stdout] test vec_set::test::is_disjoint_bitand_consistent ... ok
[INFO] [stdout] test vec_set::test::is_subset_bitand_consistent ... ok
[INFO] [stdout] test sonic_reducer::tests::concat ... ok
[INFO] [stdout] test vec_set::test::sub_empty_neutral ... ok
[INFO] [stdout] test vec_set::test2::is_subset_sample ... ok
[INFO] [stdout] test vec_set::test2::diff_sample ... ok
[INFO] [stdout] test vec_set::test::is_subset ... ok
[INFO] [stdout] test vec_set::test::sub_assign_consistent ... ok
[INFO] [stdout] test vec_set::test::is_disjoint ... ok
[INFO] [stdout] test vec_set::test2::xor_sample ... ok
[INFO] [stdout] test vec_set::test2::union_sample ... ok
[INFO] [stdout] test vec_set::test::intersection_sample ... ok
[INFO] [stdout] test vec_set::test::xor ... ok
[INFO] [stdout] test vec_set::test::is_subset_sample ... ok
[INFO] [stdout] test vec_set::test::union ... ok
[INFO] [stdout] test vec_set::test::is_disjoint_sample ... ok
[INFO] [stdout] test vec_set::test::xor_sample ... ok
[INFO] [stdout] test vec_set::test::diff_sample ... ok
[INFO] [stdout] test vec_set::test::union_sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 137 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec-collections
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/range_set.rs - range_set (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04a7ba2cc02436243545ebd37884daeec36322ab4ce5d281f35035203952cd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a7ba2cc02436243545ebd37884daeec36322ab4ce5d281f35035203952cd2a", kill_on_drop: false }`
[INFO] [stdout] 04a7ba2cc02436243545ebd37884daeec36322ab4ce5d281f35035203952cd2a
