[INFO] cloning repository https://github.com/milosophy/Learning-Rust-Blueshifty [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milosophy/Learning-Rust-Blueshifty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilosophy%2FLearning-Rust-Blueshifty", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilosophy%2FLearning-Rust-Blueshifty'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2a70c9fbedb5670c8e32f0ba0b1dcc20296bbd7c [INFO] checking milosophy/Learning-Rust-Blueshifty against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilosophy%2FLearning-Rust-Blueshifty" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/milosophy/Learning-Rust-Blueshifty on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/milosophy/Learning-Rust-Blueshifty [INFO] finished tweaking git repo https://github.com/milosophy/Learning-Rust-Blueshifty [INFO] tweaked toml for git repo https://github.com/milosophy/Learning-Rust-Blueshifty written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/milosophy/Learning-Rust-Blueshifty already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] 18ca08fcb2b59cae0f1d32f0a3bdabf4b110eca5e33e5548b190fa2ce3ddb34a [INFO] running `Command { std: "docker" "start" "-a" "18ca08fcb2b59cae0f1d32f0a3bdabf4b110eca5e33e5548b190fa2ce3ddb34a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18ca08fcb2b59cae0f1d32f0a3bdabf4b110eca5e33e5548b190fa2ce3ddb34a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18ca08fcb2b59cae0f1d32f0a3bdabf4b110eca5e33e5548b190fa2ce3ddb34a", kill_on_drop: false }` [INFO] [stdout] 18ca08fcb2b59cae0f1d32f0a3bdabf4b110eca5e33e5548b190fa2ce3ddb34a [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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c72a5aa42c7a7cca7bea0b287db1569e4f295d16e63a2adf31d23067bc57cac9 [INFO] running `Command { std: "docker" "start" "-a" "c72a5aa42c7a7cca7bea0b287db1569e4f295d16e63a2adf31d23067bc57cac9", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking Rust_Projects v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `guessing_game` [INFO] [stdout] --> src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn guessing_game() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ownership_and_functions` [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn ownership_and_functions() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `takes_ownership` [INFO] [stdout] --> src/main.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn takes_ownership(some_string: String) { // some_string comes into scope [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `makes_copy` [INFO] [stdout] --> src/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn makes_copy(some_integer: i32) { // some_integer comes into scope [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `variables_and_mutability` [INFO] [stdout] --> src/main.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn variables_and_mutability() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `another_function` [INFO] [stdout] --> src/main.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn another_function(x: i32, y: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_one` [INFO] [stdout] --> src/main.rs:117:4 [INFO] [stdout] | [INFO] [stdout] 117 | fn plus_one(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `five` [INFO] [stdout] --> src/main.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn five() -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Rust_Projects` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `rust_projects` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `guessing_game` [INFO] [stdout] --> src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn guessing_game() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ownership_and_functions` [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn ownership_and_functions() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `takes_ownership` [INFO] [stdout] --> src/main.rs:55:4 [INFO] [stdout] | [INFO] [stdout] 55 | fn takes_ownership(some_string: String) { // some_string comes into scope [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `makes_copy` [INFO] [stdout] --> src/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn makes_copy(some_integer: i32) { // some_integer comes into scope [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `variables_and_mutability` [INFO] [stdout] --> src/main.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn variables_and_mutability() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `another_function` [INFO] [stdout] --> src/main.rs:111:4 [INFO] [stdout] | [INFO] [stdout] 111 | fn another_function(x: i32, y: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_one` [INFO] [stdout] --> src/main.rs:117:4 [INFO] [stdout] | [INFO] [stdout] 117 | fn plus_one(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `five` [INFO] [stdout] --> src/main.rs:121:4 [INFO] [stdout] | [INFO] [stdout] 121 | fn five() -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Rust_Projects` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `rust_projects` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.97s [INFO] running `Command { std: "docker" "inspect" "c72a5aa42c7a7cca7bea0b287db1569e4f295d16e63a2adf31d23067bc57cac9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c72a5aa42c7a7cca7bea0b287db1569e4f295d16e63a2adf31d23067bc57cac9", kill_on_drop: false }` [INFO] [stdout] c72a5aa42c7a7cca7bea0b287db1569e4f295d16e63a2adf31d23067bc57cac9