[INFO] crate marksweep 0.1.0 is already in cache [INFO] checking marksweep-0.1.0 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627 [INFO] extracting crate marksweep 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate marksweep 0.1.0 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate marksweep 0.1.0 [INFO] finished tweaking crates.io crate marksweep 0.1.0 [INFO] tweaked toml for crates.io crate marksweep 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8204224a9ed5a9ed0bcbfe8430fe6e5f1b00ce48e7c4e5978dae7b323174f16 [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" "c8204224a9ed5a9ed0bcbfe8430fe6e5f1b00ce48e7c4e5978dae7b323174f16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8204224a9ed5a9ed0bcbfe8430fe6e5f1b00ce48e7c4e5978dae7b323174f16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8204224a9ed5a9ed0bcbfe8430fe6e5f1b00ce48e7c4e5978dae7b323174f16", kill_on_drop: false }` [INFO] [stdout] c8204224a9ed5a9ed0bcbfe8430fe6e5f1b00ce48e7c4e5978dae7b323174f16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 936a3f5950873141c5c88e741c9d45e021f79410ecf17133e4405cefc67c6676 [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" "936a3f5950873141c5c88e741c9d45e021f79410ecf17133e4405cefc67c6676", kill_on_drop: false }` [INFO] [stderr] Checking marksweep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:17:38 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn is_root_changes(x: &T) { [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: `x` [INFO] [stdout] --> src/lib.rs:21:27 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn init(x: &T) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `root_set` should have an upper case name [INFO] [stdout] --> src/lib.rs:65:16 [INFO] [stdout] | [INFO] [stdout] 65 | static ref root_set: Mutex> = Mutex::new(HashSet::new()); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `ROOT_SET` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `not_root_set` should have an upper case name [INFO] [stdout] --> src/lib.rs:66:16 [INFO] [stdout] | [INFO] [stdout] 66 | static ref not_root_set: Mutex> = Mutex::new(HashSet::new()); [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to upper case: `NOT_ROOT_SET` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/lib.rs:17:38 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn is_root_changes(x: &T) { [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: `x` [INFO] [stdout] --> src/lib.rs:21:27 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn init(x: &T) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `root_set` should have an upper case name [INFO] [stdout] --> src/lib.rs:65:16 [INFO] [stdout] | [INFO] [stdout] 65 | static ref root_set: Mutex> = Mutex::new(HashSet::new()); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper case: `ROOT_SET` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `not_root_set` should have an upper case name [INFO] [stdout] --> src/lib.rs:66:16 [INFO] [stdout] | [INFO] [stdout] 66 | static ref not_root_set: Mutex> = Mutex::new(HashSet::new()); [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to upper case: `NOT_ROOT_SET` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "936a3f5950873141c5c88e741c9d45e021f79410ecf17133e4405cefc67c6676", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "936a3f5950873141c5c88e741c9d45e021f79410ecf17133e4405cefc67c6676", kill_on_drop: false }` [INFO] [stdout] 936a3f5950873141c5c88e741c9d45e021f79410ecf17133e4405cefc67c6676