[INFO] cloning repository https://github.com/bookinstock/rust_example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bookinstock/rust_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbookinstock%2Frust_example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbookinstock%2Frust_example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c83d144f2d500cd60a59da5019b4bc5ca7d2d36f [INFO] checking bookinstock/rust_example against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbookinstock%2Frust_example" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bookinstock/rust_example on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bookinstock/rust_example [INFO] finished tweaking git repo https://github.com/bookinstock/rust_example [INFO] tweaked toml for git repo https://github.com/bookinstock/rust_example written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/bookinstock/rust_example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a5df6b5cb6e8e1ad31552f8ef1b3d995bf34120df66d798ec166f08831081aa [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" "1a5df6b5cb6e8e1ad31552f8ef1b3d995bf34120df66d798ec166f08831081aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a5df6b5cb6e8e1ad31552f8ef1b3d995bf34120df66d798ec166f08831081aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a5df6b5cb6e8e1ad31552f8ef1b3d995bf34120df66d798ec166f08831081aa", kill_on_drop: false }` [INFO] [stdout] 1a5df6b5cb6e8e1ad31552f8ef1b3d995bf34120df66d798ec166f08831081aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 416590b81ba7476978b52fe2d659a34c1d5a5212e78ad2e4558aa37ae952b593 [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" "416590b81ba7476978b52fe2d659a34c1d5a5212e78ad2e4558aa37ae952b593", kill_on_drop: false }` [INFO] [stderr] Checking rust_example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/scope.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | let x = ToDrop; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ref_x` [INFO] [stdout] --> src/bin/scope.rs:401:13 [INFO] [stdout] | [INFO] [stdout] 401 | let ref_x = &x; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ref_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `error` [INFO] [stdout] --> src/bin/error.rs:41:4 [INFO] [stdout] | [INFO] [stdout] 41 | */ [INFO] [stdout] | ^ consider adding a `main` function to `src/bin/error.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_example` [INFO] [stdout] error[E0601]: `main` function not found in crate `trait` [INFO] [stdout] --> src/bin/trait.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | */ [INFO] [stdout] | ^ consider adding a `main` function to `src/bin/trait.rs` [INFO] [stdout] [INFO] [stdout] [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] 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] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/scope.rs:405:13 [INFO] [stdout] | [INFO] [stdout] 405 | let mut ref_x = &mut x; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `std` [INFO] [stdout] --> src/bin/std.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | */ [INFO] [stdout] | ^ consider adding a `main` function to `src/bin/std.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] [stdout] warning: function is never used: `ps_ref` [INFO] [stdout] --> src/bin/scope.rs:444:4 [INFO] [stdout] | [INFO] [stdout] 444 | fn ps_ref() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `noisy_unused_function` [INFO] [stdout] --> src/bin/attribute.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn noisy_unused_function() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `test` [INFO] [stdout] --> src/bin/test.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | */ [INFO] [stdout] | ^ consider adding a `main` function to `src/bin/test.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] [stdout] warning: function is never used: `test_literal` [INFO] [stdout] --> src/bin/pattern_matching.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn test_literal() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_array` [INFO] [stdout] --> src/bin/pattern_matching.rs:115:4 [INFO] [stdout] | [INFO] [stdout] 115 | fn test_array() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_enum` [INFO] [stdout] --> src/bin/pattern_matching.rs:117:4 [INFO] [stdout] | [INFO] [stdout] 117 | fn test_enum() {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_stuct` [INFO] [stdout] --> src/bin/pattern_matching.rs:119:4 [INFO] [stdout] | [INFO] [stdout] 119 | fn test_stuct() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_variable` [INFO] [stdout] --> src/bin/pattern_matching.rs:137:4 [INFO] [stdout] | [INFO] [stdout] 137 | fn test_variable() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_wildcard` [INFO] [stdout] --> src/bin/pattern_matching.rs:139:4 [INFO] [stdout] | [INFO] [stdout] 139 | fn test_wildcard() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_placeholder` [INFO] [stdout] --> src/bin/pattern_matching.rs:141:4 [INFO] [stdout] | [INFO] [stdout] 141 | fn test_placeholder() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Nil` [INFO] [stdout] --> src/bin/custom_type.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct Nil; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Rich` [INFO] [stdout] --> src/bin/custom_type.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | Rich, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Soldier` [INFO] [stdout] --> src/bin/custom_type.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | Soldier, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `logical` [INFO] [stdout] --> src/bin/primitive.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let logical: bool = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_float` [INFO] [stdout] --> src/bin/primitive.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | let a_float: f64 = 1.0; // 常规说明 [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_integer` [INFO] [stdout] --> src/bin/primitive.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let an_integer = 5i32; // 后缀说明 [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default_float` [INFO] [stdout] --> src/bin/primitive.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let default_float = 3.0; // `f64` [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_float` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `default_integer` [INFO] [stdout] --> src/bin/primitive.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let default_integer = 7; // `i32` [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> src/bin/primitive.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut inferred_type = 12; // 根据下一行的赋值推断为 i64 类型 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> src/bin/primitive.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | inferred_type = 4294967296i64; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> src/bin/primitive.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> src/bin/primitive.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mutable` [INFO] [stdout] --> src/bin/primitive.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let mutable = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Nil` [INFO] [stdout] --> src/bin/custom_type.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct Nil; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ttt` [INFO] [stdout] --> src/bin/hello.rs:107:4 [INFO] [stdout] | [INFO] [stdout] 107 | fn ttt() { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `f` [INFO] [stdout] --> src/bin/hello.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn f() { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/bin/hello.rs:124:4 [INFO] [stdout] | [INFO] [stdout] 124 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_debug_trait` [INFO] [stdout] --> src/bin/hello.rs:159:4 [INFO] [stdout] | [INFO] [stdout] 159 | fn try_debug_trait() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "416590b81ba7476978b52fe2d659a34c1d5a5212e78ad2e4558aa37ae952b593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "416590b81ba7476978b52fe2d659a34c1d5a5212e78ad2e4558aa37ae952b593", kill_on_drop: false }` [INFO] [stdout] 416590b81ba7476978b52fe2d659a34c1d5a5212e78ad2e4558aa37ae952b593