[INFO] fetching crate rtrie 0.1.1...
[INFO] testing rtrie-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rtrie 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rtrie 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5dd8c8d068311d93441b8ea8aee065c802c5cc66a3da03cca391e3260dfd259
[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" "a5dd8c8d068311d93441b8ea8aee065c802c5cc66a3da03cca391e3260dfd259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5dd8c8d068311d93441b8ea8aee065c802c5cc66a3da03cca391e3260dfd259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5dd8c8d068311d93441b8ea8aee065c802c5cc66a3da03cca391e3260dfd259", kill_on_drop: false }`
[INFO] [stdout] a5dd8c8d068311d93441b8ea8aee065c802c5cc66a3da03cca391e3260dfd259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea4c545e932d0a450654594075c20fae7e93138abf85e027a13fe5c1dd0871e3
[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" "ea4c545e932d0a450654594075c20fae7e93138abf85e027a13fe5c1dd0871e3", kill_on_drop: false }`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea4c545e932d0a450654594075c20fae7e93138abf85e027a13fe5c1dd0871e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4c545e932d0a450654594075c20fae7e93138abf85e027a13fe5c1dd0871e3", kill_on_drop: false }`
[INFO] [stdout] ea4c545e932d0a450654594075c20fae7e93138abf85e027a13fe5c1dd0871e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a26bc3eb9293d6e9532665f1eec8bb2c9c6f72ee88135a4fdd070ef871d17520
[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" "a26bc3eb9293d6e9532665f1eec8bb2c9c6f72ee88135a4fdd070ef871d17520", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[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 thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[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 8.37s
[INFO] running `Command { std: "docker" "inspect" "a26bc3eb9293d6e9532665f1eec8bb2c9c6f72ee88135a4fdd070ef871d17520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26bc3eb9293d6e9532665f1eec8bb2c9c6f72ee88135a4fdd070ef871d17520", kill_on_drop: false }`
[INFO] [stdout] a26bc3eb9293d6e9532665f1eec8bb2c9c6f72ee88135a4fdd070ef871d17520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00d2a16ead873cb0ff2a72143a805b85f4c2ce81584b930098f8942700284de7
[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" "00d2a16ead873cb0ff2a72143a805b85f4c2ce81584b930098f8942700284de7", 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 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtrie-c5b521298f653a11)
[INFO] [stdout] 
[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_contains_prop ... ok
[INFO] [stdout] test test::ternary_prefix_prop_u8 ... ok
[INFO] [stdout] test test::ternary_contains_prop_i32 ... ok
[INFO] [stdout] test test::ternary_contains_prop_u8 ... ok
[INFO] [stdout] test test::ternary_remove_prop_u8 ... ok
[INFO] [stdout] test test::ternary_remove_prop ... ok
[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 1.77s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtrie
[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" "00d2a16ead873cb0ff2a72143a805b85f4c2ce81584b930098f8942700284de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d2a16ead873cb0ff2a72143a805b85f4c2ce81584b930098f8942700284de7", kill_on_drop: false }`
[INFO] [stdout] 00d2a16ead873cb0ff2a72143a805b85f4c2ce81584b930098f8942700284de7
