[INFO] fetching crate r4 1.0.1... [INFO] testing r4-1.0.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate r4 1.0.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate r4 1.0.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate r4 1.0.1 [INFO] finished tweaking crates.io crate r4 1.0.1 [INFO] tweaked toml for crates.io crate r4 1.0.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e33daf0490a7a174c7eefa5d833c934441bb7cf56aac1e98a4bc9a250de86425 [INFO] running `Command { std: "docker" "start" "-a" "e33daf0490a7a174c7eefa5d833c934441bb7cf56aac1e98a4bc9a250de86425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e33daf0490a7a174c7eefa5d833c934441bb7cf56aac1e98a4bc9a250de86425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e33daf0490a7a174c7eefa5d833c934441bb7cf56aac1e98a4bc9a250de86425", kill_on_drop: false }` [INFO] [stdout] e33daf0490a7a174c7eefa5d833c934441bb7cf56aac1e98a4bc9a250de86425 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b6f9a6f610ec322c3f2a9c2bbc825067ace6e637104934da0a74f00e0eeb70b9 [INFO] running `Command { std: "docker" "start" "-a" "b6f9a6f610ec322c3f2a9c2bbc825067ace6e637104934da0a74f00e0eeb70b9", kill_on_drop: false }` [INFO] [stderr] Compiling r4 v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "b6f9a6f610ec322c3f2a9c2bbc825067ace6e637104934da0a74f00e0eeb70b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6f9a6f610ec322c3f2a9c2bbc825067ace6e637104934da0a74f00e0eeb70b9", kill_on_drop: false }` [INFO] [stdout] b6f9a6f610ec322c3f2a9c2bbc825067ace6e637104934da0a74f00e0eeb70b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8f645a886fefccc5b4b48983707e5f4e560d3a2779fb3a6aac0270c949a468c [INFO] running `Command { std: "docker" "start" "-a" "f8f645a886fefccc5b4b48983707e5f4e560d3a2779fb3a6aac0270c949a468c", kill_on_drop: false }` [INFO] [stderr] Compiling r4 v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:632:10 [INFO] [stdout] | [INFO] [stdout] 632 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:407:34 [INFO] [stdout] | [INFO] [stdout] 407 | iterate![for i in 0..4; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:433:34 [INFO] [stdout] | [INFO] [stdout] 433 | iterate![for x in vs.iter(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:443:34 [INFO] [stdout] | [INFO] [stdout] 443 | iterate![for x in vs.iter(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/lib.rs:474:34 [INFO] [stdout] | [INFO] [stdout] 474 | ... let a = *x + 3; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/lib.rs:489:34 [INFO] [stdout] | [INFO] [stdout] 489 | ... let a = *x + 3; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/lib.rs:506:34 [INFO] [stdout] | [INFO] [stdout] 506 | ... for y in vs.iter(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:522:34 [INFO] [stdout] | [INFO] [stdout] 522 | ... let x = *x + 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "f8f645a886fefccc5b4b48983707e5f4e560d3a2779fb3a6aac0270c949a468c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8f645a886fefccc5b4b48983707e5f4e560d3a2779fb3a6aac0270c949a468c", kill_on_drop: false }` [INFO] [stdout] f8f645a886fefccc5b4b48983707e5f4e560d3a2779fb3a6aac0270c949a468c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 52b73c2b3bb66e01c594781f0870143ba3171b513bc895d161b51c7e56c84128 [INFO] running `Command { std: "docker" "start" "-a" "52b73c2b3bb66e01c594781f0870143ba3171b513bc895d161b51c7e56c84128", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/lib.rs:632:10 [INFO] [stderr] | [INFO] [stderr] 632 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:407:34 [INFO] [stderr] | [INFO] [stderr] 407 | iterate![for i in 0..4; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:433:34 [INFO] [stderr] | [INFO] [stderr] 433 | iterate![for x in vs.iter(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:443:34 [INFO] [stderr] | [INFO] [stderr] 443 | iterate![for x in vs.iter(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/lib.rs:474:34 [INFO] [stderr] | [INFO] [stderr] 474 | ... let a = *x + 3; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/lib.rs:489:34 [INFO] [stderr] | [INFO] [stderr] 489 | ... let a = *x + 3; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/lib.rs:506:34 [INFO] [stderr] | [INFO] [stderr] 506 | ... for y in vs.iter(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:522:34 [INFO] [stderr] | [INFO] [stderr] 522 | ... let x = *x + 1; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: `r4` (lib test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/r4-5ce75ccfc90522cf) [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test tests::bind_pattern_in_for ... ok [INFO] [stdout] test tests::test_basic ... ok [INFO] [stdout] test tests::test_basic_if_let ... ok [INFO] [stdout] test tests::if_if_let ... ok [INFO] [stdout] test tests::test_basic_if ... ok [INFO] [stdout] test tests::test_if_let_filter ... ok [INFO] [stdout] test tests::test_if_let_for ... ok [INFO] [stdout] test tests::test_if_let_if ... ok [INFO] [stdout] test tests::test_if_let_let ... ok [INFO] [stdout] test tests::test_move_succeed ... ok [INFO] [stdout] test tests::test_just_multiple_yields ... ok [INFO] [stdout] test tests::test_multiple_yield_with_filter_1 ... ok [INFO] [stdout] test tests::test_multiple_yield_with_filter_2 ... ok [INFO] [stdout] test tests::test_multiple_yields_liked_nested_loops ... ok [INFO] [stdout] test tests::test_nested_refs ... ok [INFO] [stdout] test tests::test_nested_refs_for_let_for_shadowing ... ok [INFO] [stdout] test tests::test_nested_refs_for_let_shadowing ... ok [INFO] [stdout] test tests::test_nested_refs_inner_if ... ok [INFO] [stdout] test tests::test_nested_refs_let_let_shadowing_1 ... ok [INFO] [stdout] test tests::test_nested_refs_let_let_shadowing_2 ... ok [INFO] [stdout] test tests::test_nested_refs_outer_let ... ok [INFO] [stdout] test tests::test_simple_if_let ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests r4 [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test src/lib.rs - (line 190) ... ignored [INFO] [stdout] test src/lib.rs - FlatIter (line 227) ... ignored [INFO] [stdout] test src/lib.rs - FlatIter (line 246) ... ok [INFO] [stdout] test src/lib.rs - (line 82) ... ok [INFO] [stdout] test src/lib.rs - (line 18) ... ok [INFO] [stdout] test src/lib.rs - (line 175) ... ok [INFO] [stdout] test src/lib.rs - (line 92) ... ok [INFO] [stdout] test src/lib.rs - (line 128) ... ok [INFO] [stdout] test src/lib.rs - (line 52) ... ok [INFO] [stdout] test src/lib.rs - (line 29) ... ok [INFO] [stdout] test src/lib.rs - (line 144) ... ok [INFO] [stdout] test src/lib.rs - (line 62) ... ok [INFO] [stdout] test src/lib.rs - (line 204) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.24s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "52b73c2b3bb66e01c594781f0870143ba3171b513bc895d161b51c7e56c84128", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52b73c2b3bb66e01c594781f0870143ba3171b513bc895d161b51c7e56c84128", kill_on_drop: false }` [INFO] [stdout] 52b73c2b3bb66e01c594781f0870143ba3171b513bc895d161b51c7e56c84128