[INFO] cloning repository https://github.com/bpk-t/rust_practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bpk-t/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpk-t%2Frust_practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpk-t%2Frust_practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1df7873e9a168056f85a8118ad00cb22173bc000 [INFO] checking bpk-t/rust_practice against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpk-t%2Frust_practice" "/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/bpk-t/rust_practice 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/bpk-t/rust_practice [INFO] finished tweaking git repo https://github.com/bpk-t/rust_practice [INFO] tweaked toml for git repo https://github.com/bpk-t/rust_practice written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/bpk-t/rust_practice 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] bebf6d136804b6c76cb98960f76c988d29b0d3533b9e6be9469d3ee3a1c57d5b [INFO] running `Command { std: "docker" "start" "-a" "bebf6d136804b6c76cb98960f76c988d29b0d3533b9e6be9469d3ee3a1c57d5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bebf6d136804b6c76cb98960f76c988d29b0d3533b9e6be9469d3ee3a1c57d5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bebf6d136804b6c76cb98960f76c988d29b0d3533b9e6be9469d3ee3a1c57d5b", kill_on_drop: false }` [INFO] [stdout] bebf6d136804b6c76cb98960f76c988d29b0d3533b9e6be9469d3ee3a1c57d5b [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] [stdout] 1f959ccc430f7b3479938ff737ad55d7c224cc0fdd4615eaf155c357100f6a56 [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" "1f959ccc430f7b3479938ff737ad55d7c224cc0fdd4615eaf155c357100f6a56", kill_on_drop: false }` [INFO] [stderr] Checking rust_practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0601]: `main` function not found in crate `lang_spec` [INFO] [stdout] --> src/bin/lang_spec.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | / #[cfg(test)] [INFO] [stdout] 3 | | mod lang_spec { [INFO] [stdout] 4 | | [INFO] [stdout] 5 | | #[test] [INFO] [stdout] ... | [INFO] [stdout] 119 | | } [INFO] [stdout] 120 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `src/bin/lang_spec.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_practice` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `aa` [INFO] [stdout] --> src/bin/lang_spec.rs:74:13 [INFO] [stdout] | [INFO] [stdout] 74 | let aa = A{x:(100, 200)}; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_aa` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/bin/lang_spec.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | let b = Message::B(100); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/bin/lang_spec.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | let c = Message::C{x:100,y:100}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/lang_spec.rs:114:13 [INFO] [stdout] | [INFO] [stdout] 114 | let x = match a { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/lang_spec.rs:117:31 [INFO] [stdout] | [INFO] [stdout] 117 | Message::C{x:x, y:y} => x, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/bin/lang_spec.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | x: (i32, i32) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `x:` in this pattern is redundant [INFO] [stdout] --> src/bin/lang_spec.rs:117:24 [INFO] [stdout] | [INFO] [stdout] 117 | Message::C{x:x, y:y} => x, [INFO] [stdout] | ^^^ help: use shorthand field pattern: `x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_shorthand_field_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the `y:` in this pattern is redundant [INFO] [stdout] --> src/bin/lang_spec.rs:117:29 [INFO] [stdout] | [INFO] [stdout] 117 | Message::C{x:x, y:y} => x, [INFO] [stdout] | ^^^ help: use shorthand field pattern: `y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "1f959ccc430f7b3479938ff737ad55d7c224cc0fdd4615eaf155c357100f6a56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f959ccc430f7b3479938ff737ad55d7c224cc0fdd4615eaf155c357100f6a56", kill_on_drop: false }` [INFO] [stdout] 1f959ccc430f7b3479938ff737ad55d7c224cc0fdd4615eaf155c357100f6a56