[INFO] fetching crate rtrie 0.1.1...
[INFO] testing rtrie-0.1.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate rtrie 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rtrie 0.1.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0e84757644519307e62cfa43985e2a911558bc8aab94f98b3348c455ac6e4ef
[INFO] running `Command { std: "docker" "start" "-a" "d0e84757644519307e62cfa43985e2a911558bc8aab94f98b3348c455ac6e4ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0e84757644519307e62cfa43985e2a911558bc8aab94f98b3348c455ac6e4ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e84757644519307e62cfa43985e2a911558bc8aab94f98b3348c455ac6e4ef", kill_on_drop: false }`
[INFO] [stdout] d0e84757644519307e62cfa43985e2a911558bc8aab94f98b3348c455ac6e4ef
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a179203e3d05c899379633d0f02dc73f290408b7a17664d6891716b3ffaacdd
[INFO] running `Command { std: "docker" "start" "-a" "1a179203e3d05c899379633d0f02dc73f290408b7a17664d6891716b3ffaacdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rtrie v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ternary.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     rng: Box<Rng>,
[INFO] [stdout]    |              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ternary.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |           /// Unwrap the treenode, creating a new node if it was an empty node.
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 210 | /         let mut node = match self.0 {
[INFO] [stdout] 211 | |             Some(node) => *node,
[INFO] [stdout] 212 | |             None => TreeNode::new(ch),
[INFO] [stdout] 213 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ternary.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |           /// Unwrap the treenode, If the node is None, there is nothing to delete
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 295 | /         let mut node = match self.0 {
[INFO] [stdout] 296 | |             Some(node) => *node,
[INFO] [stdout] 297 | |             None => return self,
[INFO] [stdout] 298 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "1a179203e3d05c899379633d0f02dc73f290408b7a17664d6891716b3ffaacdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a179203e3d05c899379633d0f02dc73f290408b7a17664d6891716b3ffaacdd", kill_on_drop: false }`
[INFO] [stdout] 1a179203e3d05c899379633d0f02dc73f290408b7a17664d6891716b3ffaacdd
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86822dd805e34f61188efdac2234a810c88701eb54540f478a70f137a818d6fe
[INFO] running `Command { std: "docker" "start" "-a" "86822dd805e34f61188efdac2234a810c88701eb54540f478a70f137a818d6fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ternary.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     rng: Box<Rng>,
[INFO] [stdout]    |              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ternary.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |           /// Unwrap the treenode, creating a new node if it was an empty node.
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 210 | /         let mut node = match self.0 {
[INFO] [stdout] 211 | |             Some(node) => *node,
[INFO] [stdout] 212 | |             None => TreeNode::new(ch),
[INFO] [stdout] 213 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ternary.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |           /// Unwrap the treenode, If the node is None, there is nothing to delete
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 295 | /         let mut node = match self.0 {
[INFO] [stdout] 296 | |             Some(node) => *node,
[INFO] [stdout] 297 | |             None => return self,
[INFO] [stdout] 298 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]    Compiling rtrie v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ternary.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     rng: Box<Rng>,
[INFO] [stdout]    |              ^^^ help: use `dyn`: `dyn Rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ternary.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |           /// Unwrap the treenode, creating a new node if it was an empty node.
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 210 | /         let mut node = match self.0 {
[INFO] [stdout] 211 | |             Some(node) => *node,
[INFO] [stdout] 212 | |             None => TreeNode::new(ch),
[INFO] [stdout] 213 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/ternary.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |           /// Unwrap the treenode, If the node is None, there is nothing to delete
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 295 | /         let mut node = match self.0 {
[INFO] [stdout] 296 | |             Some(node) => *node,
[INFO] [stdout] 297 | |             None => return self,
[INFO] [stdout] 298 | |         };
[INFO] [stdout]     | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.35s
[INFO] running `Command { std: "docker" "inspect" "86822dd805e34f61188efdac2234a810c88701eb54540f478a70f137a818d6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86822dd805e34f61188efdac2234a810c88701eb54540f478a70f137a818d6fe", kill_on_drop: false }`
[INFO] [stdout] 86822dd805e34f61188efdac2234a810c88701eb54540f478a70f137a818d6fe
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25138091143ff91b07eedd8426bd9f58ebd577aef4539f29fd3bc55d3a8f9daa
[INFO] running `Command { std: "docker" "start" "-a" "25138091143ff91b07eedd8426bd9f58ebd577aef4539f29fd3bc55d3a8f9daa", kill_on_drop: false }`
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     = help: use `//` for a plain comment
[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]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: `rtrie` (lib) generated 3 warnings
[INFO] [stderr] warning: `rtrie` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtrie-59c46e82039fc5e6)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::ternary_prefix_prop ... ok
[INFO] [stdout] test test::ternary_prefix_prop_i32 ... ok
[INFO] [stdout] test test::ternary_prefix_prop_u8 ... ok
[INFO] [stdout] test test::ternary_contains_prop ... ok
[INFO] [stdout] test test::ternary_contains_prop_u8 ... ok
[INFO] [stdout] test test::ternary_contains_prop_i32 ... ok
[INFO] [stdout] test test::ternary_remove_prop ... ok
[INFO] [stdout] test test::ternary_remove_prop_u8 ... ok
[INFO] [stderr]    Doc-tests rtrie
[INFO] [stdout] test test::ternary_remove_prop_i32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.56s
[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" "25138091143ff91b07eedd8426bd9f58ebd577aef4539f29fd3bc55d3a8f9daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25138091143ff91b07eedd8426bd9f58ebd577aef4539f29fd3bc55d3a8f9daa", kill_on_drop: false }`
[INFO] [stdout] 25138091143ff91b07eedd8426bd9f58ebd577aef4539f29fd3bc55d3a8f9daa