[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] checking rklaehn/rust-nursery against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Frust-nursery" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rklaehn/rust-nursery on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-4/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e7f093aa44cc0e209f669482731334c42e5468d1b005886a43aaeda75f1e1b5 [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" "6e7f093aa44cc0e209f669482731334c42e5468d1b005886a43aaeda75f1e1b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e7f093aa44cc0e209f669482731334c42e5468d1b005886a43aaeda75f1e1b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e7f093aa44cc0e209f669482731334c42e5468d1b005886a43aaeda75f1e1b5", kill_on_drop: false }` [INFO] [stdout] 6e7f093aa44cc0e209f669482731334c42e5468d1b005886a43aaeda75f1e1b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b314d2de7851f553231f7666e677e627d19a6d8f948f973b962827aef9c903c4 [INFO] running `Command { std: "docker" "start" "-a" "b314d2de7851f553231f7666e677e627d19a6d8f948f973b962827aef9c903c4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Checking sorted-iter v0.1.5 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking testdrop v0.1.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking alga v0.9.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking quickcheck v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling quickcheck_macros v0.8.0 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking 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>(a: &mut SmallVec, b: SmallVec, 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>(a: &'a [A], b: &'a [B], o: O) -> SmallVec { [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>( [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(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, 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(self, f: &impl Fn(V) -> Option) -> Option> { [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) -> Option { [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: R) -> std::result::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [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>(a: &mut SmallVec, b: SmallVec, 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>(a: &'a [A], b: &'a [B], o: O) -> SmallVec { [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(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(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(self, f: &impl Fn(V) -> Option) -> Option> { [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 dev [unoptimized + debuginfo] target(s) in 1m 23s [INFO] running `Command { std: "docker" "inspect" "b314d2de7851f553231f7666e677e627d19a6d8f948f973b962827aef9c903c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b314d2de7851f553231f7666e677e627d19a6d8f948f973b962827aef9c903c4", kill_on_drop: false }` [INFO] [stdout] b314d2de7851f553231f7666e677e627d19a6d8f948f973b962827aef9c903c4