[INFO] fetching crate darklua 0.4.0... [INFO] checking darklua-0.4.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] extracting crate darklua 0.4.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate darklua 0.4.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate darklua 0.4.0 [INFO] finished tweaking crates.io crate darklua 0.4.0 [INFO] tweaked toml for crates.io crate darklua 0.4.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate crates.io crate darklua 0.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ef5de5e06b82d7d7214358759ab4a26e3780aacdb84124b095c2c1b54a7c715 [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" "5ef5de5e06b82d7d7214358759ab4a26e3780aacdb84124b095c2c1b54a7c715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ef5de5e06b82d7d7214358759ab4a26e3780aacdb84124b095c2c1b54a7c715", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ef5de5e06b82d7d7214358759ab4a26e3780aacdb84124b095c2c1b54a7c715", kill_on_drop: false }` [INFO] [stdout] 5ef5de5e06b82d7d7214358759ab4a26e3780aacdb84124b095c2c1b54a7c715 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5806a92fd62042b1e490cbcaff213e2a941e757223dac30e0066469e94ceae7 [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" "f5806a92fd62042b1e490cbcaff213e2a941e757223dac30e0066469e94ceae7", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking lualexer v0.1.2 [INFO] [stderr] Checking regex-syntax v0.6.15 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.10 [INFO] [stderr] Compiling proc-macro-error v0.4.10 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking luaparser v0.1.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking console v0.9.2 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling structopt-derive v0.4.4 [INFO] [stderr] Checking structopt v0.3.11 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking json5 v0.2.5 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking darklua v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking insta v0.12.0 [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/call_parens.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | mem::replace(call.mutate_arguments(), new_arguments); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/compute_expression.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | mem::replace(expression, replace_with); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/group_local.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | mem::replace(block.mutate_statements(), filter_statements); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/inject_value.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | mem::replace(expression, new_expression); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/inject_value.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | mem::replace(prefix, new_prefix); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/unused_if_branch.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | mem::replace(statement, DoStatement::new(block).into()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/call_parens.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | mem::replace(call.mutate_arguments(), new_arguments); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/compute_expression.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | mem::replace(expression, replace_with); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/group_local.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | mem::replace(block.mutate_statements(), filter_statements); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/inject_value.rs:82:13 [INFO] [stdout] | [INFO] [stdout] 82 | mem::replace(expression, new_expression); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/inject_value.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | mem::replace(prefix, new_prefix); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/rules/unused_if_branch.rs:110:21 [INFO] [stdout] | [INFO] [stdout] 110 | mem::replace(statement, DoStatement::new(block).into()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 06s [INFO] running `Command { std: "docker" "inspect" "f5806a92fd62042b1e490cbcaff213e2a941e757223dac30e0066469e94ceae7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5806a92fd62042b1e490cbcaff213e2a941e757223dac30e0066469e94ceae7", kill_on_drop: false }` [INFO] [stdout] f5806a92fd62042b1e490cbcaff213e2a941e757223dac30e0066469e94ceae7