[INFO] fetching crate marksweep 0.1.0... [INFO] testing marksweep-0.1.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate marksweep 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate marksweep 0.1.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71e5d1f73f82d4124f073b5779ac6b6f0c31007fe124b518e2571e105053fcee [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" "71e5d1f73f82d4124f073b5779ac6b6f0c31007fe124b518e2571e105053fcee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71e5d1f73f82d4124f073b5779ac6b6f0c31007fe124b518e2571e105053fcee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71e5d1f73f82d4124f073b5779ac6b6f0c31007fe124b518e2571e105053fcee", kill_on_drop: false }` [INFO] [stdout] 71e5d1f73f82d4124f073b5779ac6b6f0c31007fe124b518e2571e105053fcee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92e2dc3de103e7926cc9cdee718a5163ccf51fd13b573b99229edbd58848b9c9 [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" "92e2dc3de103e7926cc9cdee718a5163ccf51fd13b573b99229edbd58848b9c9", kill_on_drop: false }` [INFO] [stderr] Compiling 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "92e2dc3de103e7926cc9cdee718a5163ccf51fd13b573b99229edbd58848b9c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92e2dc3de103e7926cc9cdee718a5163ccf51fd13b573b99229edbd58848b9c9", kill_on_drop: false }` [INFO] [stdout] 92e2dc3de103e7926cc9cdee718a5163ccf51fd13b573b99229edbd58848b9c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39513c024a3267baf03b604738cf56fd1a199d98b00d3a22b8d8f7cdd33e58e4 [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" "39513c024a3267baf03b604738cf56fd1a199d98b00d3a22b8d8f7cdd33e58e4", kill_on_drop: false }` [INFO] [stderr] Compiling 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 test [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "39513c024a3267baf03b604738cf56fd1a199d98b00d3a22b8d8f7cdd33e58e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39513c024a3267baf03b604738cf56fd1a199d98b00d3a22b8d8f7cdd33e58e4", kill_on_drop: false }` [INFO] [stdout] 39513c024a3267baf03b604738cf56fd1a199d98b00d3a22b8d8f7cdd33e58e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a628dd037d0cac6e0fb972534cac172212895b1a2bb51c9a2e457c8a618b75bc [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" "a628dd037d0cac6e0fb972534cac172212895b1a2bb51c9a2e457c8a618b75bc", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:17:38 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn is_root_changes(x: &T) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:21:27 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn init(x: &T) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: static variable `root_set` should have an upper case name [INFO] [stderr] --> src/lib.rs:65:16 [INFO] [stderr] | [INFO] [stderr] 65 | static ref root_set: Mutex> = Mutex::new(HashSet::new()); [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper case: `ROOT_SET` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `not_root_set` should have an upper case name [INFO] [stderr] --> src/lib.rs:66:16 [INFO] [stderr] | [INFO] [stderr] 66 | static ref not_root_set: Mutex> = Mutex::new(HashSet::new()); [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to upper case: `NOT_ROOT_SET` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:17:38 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn is_root_changes(x: &T) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/lib.rs:21:27 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn init(x: &T) { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: static variable `root_set` should have an upper case name [INFO] [stderr] --> src/lib.rs:65:16 [INFO] [stderr] | [INFO] [stderr] 65 | static ref root_set: Mutex> = Mutex::new(HashSet::new()); [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper case: `ROOT_SET` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `not_root_set` should have an upper case name [INFO] [stderr] --> src/lib.rs:66:16 [INFO] [stderr] | [INFO] [stderr] 66 | static ref not_root_set: Mutex> = Mutex::new(HashSet::new()); [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to upper case: `NOT_ROOT_SET` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/marksweep-5d96e2f5c5ead2e6 [INFO] [stdout] [INFO] [stderr] Doc-tests marksweep [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a628dd037d0cac6e0fb972534cac172212895b1a2bb51c9a2e457c8a618b75bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a628dd037d0cac6e0fb972534cac172212895b1a2bb51c9a2e457c8a618b75bc", kill_on_drop: false }` [INFO] [stdout] a628dd037d0cac6e0fb972534cac172212895b1a2bb51c9a2e457c8a618b75bc