[INFO] fetching crate marksweep 0.1.0... [INFO] checking marksweep-0.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] extracting crate marksweep 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate marksweep 0.1.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47dae86f604a4f9845e088fd2b10154ca903dbd2938b9db9725e76ef49839e74 [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" "47dae86f604a4f9845e088fd2b10154ca903dbd2938b9db9725e76ef49839e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47dae86f604a4f9845e088fd2b10154ca903dbd2938b9db9725e76ef49839e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47dae86f604a4f9845e088fd2b10154ca903dbd2938b9db9725e76ef49839e74", kill_on_drop: false }` [INFO] [stdout] 47dae86f604a4f9845e088fd2b10154ca903dbd2938b9db9725e76ef49839e74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1edfcb5a493265ef128c058dfc00cd2d9a82b3461af39c5a4f5e6a2a06685a4 [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" "c1edfcb5a493265ef128c058dfc00cd2d9a82b3461af39c5a4f5e6a2a06685a4", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [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: 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: 4 warnings emitted [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 0.98s [INFO] running `Command { std: "docker" "inspect" "c1edfcb5a493265ef128c058dfc00cd2d9a82b3461af39c5a4f5e6a2a06685a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1edfcb5a493265ef128c058dfc00cd2d9a82b3461af39c5a4f5e6a2a06685a4", kill_on_drop: false }` [INFO] [stdout] c1edfcb5a493265ef128c058dfc00cd2d9a82b3461af39c5a4f5e6a2a06685a4