[INFO] cloning repository https://github.com/lochon/learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lochon/learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochon%2Flearn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochon%2Flearn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 68a82fce990c5d36920910a214ea73e0f1e16e11 [INFO] checking lochon/learn against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochon%2Flearn" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lochon/learn on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lochon/learn [INFO] finished tweaking git repo https://github.com/lochon/learn [INFO] tweaked toml for git repo https://github.com/lochon/learn written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/lochon/learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37414bc46748d1f250f81a9c1f4c71ce7330b512d3d66790f6c85deb697f72ca [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" "37414bc46748d1f250f81a9c1f4c71ce7330b512d3d66790f6c85deb697f72ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37414bc46748d1f250f81a9c1f4c71ce7330b512d3d66790f6c85deb697f72ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37414bc46748d1f250f81a9c1f4c71ce7330b512d3d66790f6c85deb697f72ca", kill_on_drop: false }` [INFO] [stdout] 37414bc46748d1f250f81a9c1f4c71ce7330b512d3d66790f6c85deb697f72ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f700dbe1b7f851fe121919842d831788fb1e90b1635320cb5defbc7aaaa2a07 [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" "8f700dbe1b7f851fe121919842d831788fb1e90b1635320cb5defbc7aaaa2a07", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `common_programming_concepts::variables::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use common_programming_concepts::variables::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common_programming_concepts::data_types::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use common_programming_concepts::data_types::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common_programming_concepts::functions_work` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use common_programming_concepts::functions_work; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::common_programming_concepts::functions_work::func_parameters` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::common_programming_concepts::functions_work::func_parameters; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `HEARTBEAT_127` [INFO] [stdout] --> src/common_programming_concepts.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub const HEARTBEAT_127: i8 = 127; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `var` [INFO] [stdout] --> src/common_programming_concepts.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn var() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shadowing` [INFO] [stdout] --> src/common_programming_concepts.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn shadowing() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `this_is_function` [INFO] [stdout] --> src/common_programming_concepts.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | pub fn this_is_function(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `func_parameters` [INFO] [stdout] --> src/common_programming_concepts.rs:152:12 [INFO] [stdout] | [INFO] [stdout] 152 | pub fn func_parameters(x: i32, y: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `statements_expressions` [INFO] [stdout] --> src/common_programming_concepts.rs:166:12 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn statements_expressions(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_value` [INFO] [stdout] --> src/common_programming_concepts.rs:190:12 [INFO] [stdout] | [INFO] [stdout] 190 | pub fn return_value() -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common_programming_concepts::variables::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use common_programming_concepts::variables::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common_programming_concepts::data_types::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use common_programming_concepts::data_types::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common_programming_concepts::functions_work` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use common_programming_concepts::functions_work; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::common_programming_concepts::functions_work::func_parameters` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::common_programming_concepts::functions_work::func_parameters; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `HEARTBEAT_127` [INFO] [stdout] --> src/common_programming_concepts.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub const HEARTBEAT_127: i8 = 127; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `var` [INFO] [stdout] --> src/common_programming_concepts.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn var() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shadowing` [INFO] [stdout] --> src/common_programming_concepts.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn shadowing() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `this_is_function` [INFO] [stdout] --> src/common_programming_concepts.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | pub fn this_is_function(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `func_parameters` [INFO] [stdout] --> src/common_programming_concepts.rs:152:12 [INFO] [stdout] | [INFO] [stdout] 152 | pub fn func_parameters(x: i32, y: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `statements_expressions` [INFO] [stdout] --> src/common_programming_concepts.rs:166:12 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn statements_expressions(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_value` [INFO] [stdout] --> src/common_programming_concepts.rs:190:12 [INFO] [stdout] | [INFO] [stdout] 190 | pub fn return_value() -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.65s [INFO] running `Command { std: "docker" "inspect" "8f700dbe1b7f851fe121919842d831788fb1e90b1635320cb5defbc7aaaa2a07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f700dbe1b7f851fe121919842d831788fb1e90b1635320cb5defbc7aaaa2a07", kill_on_drop: false }` [INFO] [stdout] 8f700dbe1b7f851fe121919842d831788fb1e90b1635320cb5defbc7aaaa2a07