[INFO] crate rtrie 0.1.1 is already in cache
[INFO] checking rtrie-0.1.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate rtrie 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rtrie 0.1.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rtrie 0.1.1
[INFO] finished tweaking crates.io crate rtrie 0.1.1
[INFO] tweaked toml for crates.io crate rtrie 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45b6a4e7202c0b3ee754eefb5cfadb9cd1810506c1ed2e6b97623e695860a10f
[INFO] running `"docker" "start" "-a" "45b6a4e7202c0b3ee754eefb5cfadb9cd1810506c1ed2e6b97623e695860a10f"`
[INFO] [stderr]     Checking rtrie v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ternary.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |     rng: Box<Rng>,
[INFO] [stderr]    |              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/ternary.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |           /// Unwrap the treenode, creating a new node if it was an empty node.
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 210 | /         let mut node = match self.0 {
[INFO] [stderr] 211 | |             Some(node) => *node,
[INFO] [stderr] 212 | |             None => TreeNode::new(ch),
[INFO] [stderr] 213 | |         };
[INFO] [stderr]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/ternary.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |           /// Unwrap the treenode, If the node is None, there is nothing to delete
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 295 | /         let mut node = match self.0 {
[INFO] [stderr] 296 | |             Some(node) => *node,
[INFO] [stderr] 297 | |             None => return self,
[INFO] [stderr] 298 | |         };
[INFO] [stderr]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ternary.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |     rng: Box<Rng>,
[INFO] [stderr]    |              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/ternary.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |           /// Unwrap the treenode, creating a new node if it was an empty node.
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 210 | /         let mut node = match self.0 {
[INFO] [stderr] 211 | |             Some(node) => *node,
[INFO] [stderr] 212 | |             None => TreeNode::new(ch),
[INFO] [stderr] 213 | |         };
[INFO] [stderr]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/ternary.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |           /// Unwrap the treenode, If the node is None, there is nothing to delete
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 295 | /         let mut node = match self.0 {
[INFO] [stderr] 296 | |             Some(node) => *node,
[INFO] [stderr] 297 | |             None => return self,
[INFO] [stderr] 298 | |         };
[INFO] [stderr]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> benches/ternary.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let sample = rand::sample(rng, r.lines().map(Result::unwrap), sample_size);
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> benches/ternary.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let lookup_sample = rand::sample(&mut rng, sample, lookup_len);
[INFO] [stderr]    |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "45b6a4e7202c0b3ee754eefb5cfadb9cd1810506c1ed2e6b97623e695860a10f"`
[INFO] running `"docker" "rm" "-f" "45b6a4e7202c0b3ee754eefb5cfadb9cd1810506c1ed2e6b97623e695860a10f"`
[INFO] [stdout] 45b6a4e7202c0b3ee754eefb5cfadb9cd1810506c1ed2e6b97623e695860a10f
