[INFO] cloning repository https://github.com/dopeter/rust_sample [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dopeter/rust_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdopeter%2Frust_sample", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdopeter%2Frust_sample'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9f7d4afe11818870d0599e96a0e6cc5a21af6283 [INFO] testing dopeter/rust_sample against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdopeter%2Frust_sample" "/workspace/builds/worker-107/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dopeter/rust_sample on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dopeter/rust_sample [INFO] finished tweaking git repo https://github.com/dopeter/rust_sample [INFO] tweaked toml for git repo https://github.com/dopeter/rust_sample written to /workspace/builds/worker-107/source/Cargo.toml [INFO] crate git repo https://github.com/dopeter/rust_sample already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac68b9520fa8f56c478394f362ca675d12ec1b8e0a2339329fcb948aa0cdbb2b [INFO] running `Command { std: "docker" "start" "-a" "ac68b9520fa8f56c478394f362ca675d12ec1b8e0a2339329fcb948aa0cdbb2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac68b9520fa8f56c478394f362ca675d12ec1b8e0a2339329fcb948aa0cdbb2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac68b9520fa8f56c478394f362ca675d12ec1b8e0a2339329fcb948aa0cdbb2b", kill_on_drop: false }` [INFO] [stdout] ac68b9520fa8f56c478394f362ca675d12ec1b8e0a2339329fcb948aa0cdbb2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86b75dd1ca698fdee77d0827f875f25ac9a56c70dd22ffb981b361e0788c6d73 [INFO] running `Command { std: "docker" "start" "-a" "86b75dd1ca698fdee77d0827f875f25ac9a56c70dd22ffb981b361e0788c6d73", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling hello_world_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `algorithms::data_structure::priority_queue` [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | use algorithms::data_structure::priority_queue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:66:54 [INFO] [stdout] | [INFO] [stdout] 66 | fn test_open_file(filename: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 66 - fn test_open_file(filename: &str) -> Result> { [INFO] [stdout] 66 + fn test_open_file(filename: &str) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:79:52 [INFO] [stdout] | [INFO] [stdout] 79 | fn read_username_from_file() -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 79 - fn read_username_from_file() -> Result> { [INFO] [stdout] 79 + fn read_username_from_file() -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_open_file` [INFO] [stdout] --> src/main.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn test_open_file(filename: &str) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file` [INFO] [stdout] --> src/main.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn read_username_from_file() -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nodeName` [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | nodeName: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `edge` [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | edge: bool [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Edge` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `nodeId` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | nodeId: usize, [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `node_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `nodeName` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | nodeName: String, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `node_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `nodeNums` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | nodeNums: usize, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `node_nums` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `nodeId` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | fn new(nodeId: usize, nodeName: String) -> Node { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `nodeName` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:21:27 [INFO] [stdout] | [INFO] [stdout] 21 | fn new(nodeId: usize, nodeName: String) -> Node { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `node_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `Command { std: "docker" "inspect" "86b75dd1ca698fdee77d0827f875f25ac9a56c70dd22ffb981b361e0788c6d73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86b75dd1ca698fdee77d0827f875f25ac9a56c70dd22ffb981b361e0788c6d73", kill_on_drop: false }` [INFO] [stdout] 86b75dd1ca698fdee77d0827f875f25ac9a56c70dd22ffb981b361e0788c6d73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80bd4aedbfd29518cd65fd93a3d607559edae75c8fa0e3fbc49a63bf7819daa9 [INFO] running `Command { std: "docker" "start" "-a" "80bd4aedbfd29518cd65fd93a3d607559edae75c8fa0e3fbc49a63bf7819daa9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello_world_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `algorithms::data_structure::priority_queue` [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | use algorithms::data_structure::priority_queue; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:66:54 [INFO] [stdout] | [INFO] [stdout] 66 | fn test_open_file(filename: &str) -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 66 - fn test_open_file(filename: &str) -> Result> { [INFO] [stdout] 66 + fn test_open_file(filename: &str) -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:79:52 [INFO] [stdout] | [INFO] [stdout] 79 | fn read_username_from_file() -> Result> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 79 - fn read_username_from_file() -> Result> { [INFO] [stdout] 79 + fn read_username_from_file() -> Result> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_open_file` [INFO] [stdout] --> src/main.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn test_open_file(filename: &str) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file` [INFO] [stdout] --> src/main.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn read_username_from_file() -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `nodeName` [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | nodeName: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `edge` [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | edge: bool [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Edge` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `nodeId` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | nodeId: usize, [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `node_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `nodeName` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | nodeName: String, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `node_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `nodeNums` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | nodeNums: usize, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `node_nums` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `nodeId` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | fn new(nodeId: usize, nodeName: String) -> Node { [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `node_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `nodeName` should have a snake case name [INFO] [stdout] --> src/algorithms/data_structure/simply_graph.rs:21:27 [INFO] [stdout] | [INFO] [stdout] 21 | fn new(nodeId: usize, nodeName: String) -> Node { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `node_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.68s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world_rust-403410f1dc683383) [INFO] running `Command { std: "docker" "inspect" "80bd4aedbfd29518cd65fd93a3d607559edae75c8fa0e3fbc49a63bf7819daa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80bd4aedbfd29518cd65fd93a3d607559edae75c8fa0e3fbc49a63bf7819daa9", kill_on_drop: false }` [INFO] [stdout] 80bd4aedbfd29518cd65fd93a3d607559edae75c8fa0e3fbc49a63bf7819daa9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6aee4758b0cd8a77c9ecc3fd5e2fcaddb254260f0668516cd0e2d04ec8ef33ed [INFO] running `Command { std: "docker" "start" "-a" "6aee4758b0cd8a77c9ecc3fd5e2fcaddb254260f0668516cd0e2d04ec8ef33ed", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::exit` [INFO] [stderr] --> src/main.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | use std::process::exit; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::BorrowMut` [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use std::borrow::BorrowMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `algorithms::data_structure::priority_queue` [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | use algorithms::data_structure::priority_queue; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:66:54 [INFO] [stderr] | [INFO] [stderr] 66 | fn test_open_file(filename: &str) -> Result> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 66 - fn test_open_file(filename: &str) -> Result> { [INFO] [stderr] 66 + fn test_open_file(filename: &str) -> Result> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:79:52 [INFO] [stderr] | [INFO] [stderr] 79 | fn read_username_from_file() -> Result> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 79 - fn read_username_from_file() -> Result> { [INFO] [stderr] 79 + fn read_username_from_file() -> Result> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_open_file` [INFO] [stderr] --> src/main.rs:66:4 [INFO] [stderr] | [INFO] [stderr] 66 | fn test_open_file(filename: &str) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_username_from_file` [INFO] [stderr] --> src/main.rs:79:4 [INFO] [stderr] | [INFO] [stderr] 79 | fn read_username_from_file() -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `nodeName` [INFO] [stderr] --> src/algorithms/data_structure/simply_graph.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | nodeName: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/algorithms/data_structure/simply_graph.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `edge` [INFO] [stderr] --> src/algorithms/data_structure/simply_graph.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | edge: bool [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Edge` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/algorithms/data_structure/simply_graph.rs:8:10 [INFO] [stderr] | [INFO] [stderr] 8 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: structure field `nodeId` should have a snake case name [INFO] [stderr] --> src/algorithms/data_structure/simply_graph.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | nodeId: usize, [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `node_id` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `nodeName` should have a snake case name [INFO] [stderr] --> src/algorithms/data_structure/simply_graph.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | nodeName: String, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `node_name` [INFO] [stderr] [INFO] [stderr] warning: structure field `nodeNums` should have a snake case name [INFO] [stderr] --> src/algorithms/data_structure/simply_graph.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | nodeNums: usize, [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `node_nums` [INFO] [stderr] [INFO] [stderr] warning: variable `nodeId` should have a snake case name [INFO] [stderr] --> src/algorithms/data_structure/simply_graph.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | fn new(nodeId: usize, nodeName: String) -> Node { [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `node_id` [INFO] [stderr] [INFO] [stderr] warning: variable `nodeName` should have a snake case name [INFO] [stderr] --> src/algorithms/data_structure/simply_graph.rs:21:27 [INFO] [stderr] | [INFO] [stderr] 21 | fn new(nodeId: usize, nodeName: String) -> Node { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `node_name` [INFO] [stderr] [INFO] [stderr] warning: `hello_world_rust` (bin "hello_world_rust" test) generated 15 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world_rust-403410f1dc683383) [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" "6aee4758b0cd8a77c9ecc3fd5e2fcaddb254260f0668516cd0e2d04ec8ef33ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aee4758b0cd8a77c9ecc3fd5e2fcaddb254260f0668516cd0e2d04ec8ef33ed", kill_on_drop: false }` [INFO] [stdout] 6aee4758b0cd8a77c9ecc3fd5e2fcaddb254260f0668516cd0e2d04ec8ef33ed