[INFO] cloning repository https://github.com/PeterCxy/huffman-coding-cse104-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PeterCxy/huffman-coding-cse104-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterCxy%2Fhuffman-coding-cse104-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterCxy%2Fhuffman-coding-cse104-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8dae1c157f776aaa7c340f21ebca5741efc6893 [INFO] testing PeterCxy/huffman-coding-cse104-rust against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterCxy%2Fhuffman-coding-cse104-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PeterCxy/huffman-coding-cse104-rust on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PeterCxy/huffman-coding-cse104-rust [INFO] finished tweaking git repo https://github.com/PeterCxy/huffman-coding-cse104-rust [INFO] tweaked toml for git repo https://github.com/PeterCxy/huffman-coding-cse104-rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/PeterCxy/huffman-coding-cse104-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e73119eb6a7113ea9ef176f1f056c96573043feb4b928d62aeee2b6036637786 [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" "e73119eb6a7113ea9ef176f1f056c96573043feb4b928d62aeee2b6036637786", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e73119eb6a7113ea9ef176f1f056c96573043feb4b928d62aeee2b6036637786", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e73119eb6a7113ea9ef176f1f056c96573043feb4b928d62aeee2b6036637786", kill_on_drop: false }` [INFO] [stdout] e73119eb6a7113ea9ef176f1f056c96573043feb4b928d62aeee2b6036637786 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3c96ad211dd91babf3c1a1e1b81ea1e89db90e8ecb786fbae8ddf821be78784 [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" "b3c96ad211dd91babf3c1a1e1b81ea1e89db90e8ecb786fbae8ddf821be78784", kill_on_drop: false }` [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling huffman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/traversal.rs:50:47 [INFO] [stdout] | [INFO] [stdout] 50 | fn visit_node<'b>(&'b mut self, node: &'a TraversableNode) -> Option, u8), TreeTraverser<'a>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TraversableNode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:177:49 [INFO] [stdout] | [INFO] [stdout] 177 | fn _huffman_decode_step(cur_value: bool, node: &TraversableNode) -> &TreeNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TraversableNode` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.50s [INFO] running `Command { std: "docker" "inspect" "b3c96ad211dd91babf3c1a1e1b81ea1e89db90e8ecb786fbae8ddf821be78784", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3c96ad211dd91babf3c1a1e1b81ea1e89db90e8ecb786fbae8ddf821be78784", kill_on_drop: false }` [INFO] [stdout] b3c96ad211dd91babf3c1a1e1b81ea1e89db90e8ecb786fbae8ddf821be78784 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a821ca246ebe2566a45b7932dbae70d553882efd66f6670c25cd543dd05da7d9 [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" "a821ca246ebe2566a45b7932dbae70d553882efd66f6670c25cd543dd05da7d9", kill_on_drop: false }` [INFO] [stderr] Compiling huffman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/traversal.rs:50:47 [INFO] [stdout] | [INFO] [stdout] 50 | fn visit_node<'b>(&'b mut self, node: &'a TraversableNode) -> Option, u8), TreeTraverser<'a>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TraversableNode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:177:49 [INFO] [stdout] | [INFO] [stdout] 177 | fn _huffman_decode_step(cur_value: bool, node: &TraversableNode) -> &TreeNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TraversableNode` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `Command { std: "docker" "inspect" "a821ca246ebe2566a45b7932dbae70d553882efd66f6670c25cd543dd05da7d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a821ca246ebe2566a45b7932dbae70d553882efd66f6670c25cd543dd05da7d9", kill_on_drop: false }` [INFO] [stdout] a821ca246ebe2566a45b7932dbae70d553882efd66f6670c25cd543dd05da7d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] e0b7ad21c6606b0acc63fe1b72f006b70f8d56499c7a314e9d37aec2a4f37d0e [INFO] running `Command { std: "docker" "start" "-a" "e0b7ad21c6606b0acc63fe1b72f006b70f8d56499c7a314e9d37aec2a4f37d0e", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traversal.rs:50:47 [INFO] [stderr] | [INFO] [stderr] 50 | fn visit_node<'b>(&'b mut self, node: &'a TraversableNode) -> Option, u8), TreeTraverser<'a>>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TraversableNode` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:177:49 [INFO] [stderr] | [INFO] [stderr] 177 | fn _huffman_decode_step(cur_value: bool, node: &TraversableNode) -> &TreeNode { [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TraversableNode` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/huffman-6b45f52958634a5c [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e0b7ad21c6606b0acc63fe1b72f006b70f8d56499c7a314e9d37aec2a4f37d0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0b7ad21c6606b0acc63fe1b72f006b70f8d56499c7a314e9d37aec2a4f37d0e", kill_on_drop: false }` [INFO] [stdout] e0b7ad21c6606b0acc63fe1b72f006b70f8d56499c7a314e9d37aec2a4f37d0e