[INFO] fetching crate ouroboros_examples 0.8.3... [INFO] checking ouroboros_examples-0.8.3 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] extracting crate ouroboros_examples 0.8.3 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate ouroboros_examples 0.8.3 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ouroboros_examples 0.8.3 [INFO] finished tweaking crates.io crate ouroboros_examples 0.8.3 [INFO] tweaked toml for crates.io crate ouroboros_examples 0.8.3 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ouroboros_macro v0.8.3 [INFO] [stderr] Downloaded ouroboros v0.8.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82b7e3e0851e40b9efac9895b8d8e926e189528e4673c7dc2d4554b72d392dbf [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" "82b7e3e0851e40b9efac9895b8d8e926e189528e4673c7dc2d4554b72d392dbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82b7e3e0851e40b9efac9895b8d8e926e189528e4673c7dc2d4554b72d392dbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82b7e3e0851e40b9efac9895b8d8e926e189528e4673c7dc2d4554b72d392dbf", kill_on_drop: false }` [INFO] [stdout] 82b7e3e0851e40b9efac9895b8d8e926e189528e4673c7dc2d4554b72d392dbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e47028c5a09617b1efd479d28fe34f309f0c3ad3ec2efbab720a9435e0aad39 [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" "2e47028c5a09617b1efd479d28fe34f309f0c3ad3ec2efbab720a9435e0aad39", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling trybuild v1.0.42 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling regex v1.4.5 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling ouroboros_macro v0.8.3 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking ouroboros v0.8.3 [INFO] [stderr] Checking ouroboros_examples v0.8.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | c: Rc<&'this i32>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | b: Arc<&'this i32>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | a: Box, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_reference` [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | float_reference: &'this mut f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_reference` [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | int_reference: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_data` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | float_data: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_data` [INFO] [stdout] --> src/lib.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | int_data: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | data: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking toml v0.5.8 [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | data: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | c: Rc<&'this i32>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | b: Arc<&'this i32>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | a: Box, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_reference` [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | float_reference: &'this mut f32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_reference` [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | int_reference: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `float_data` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | float_data: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `int_data` [INFO] [stdout] --> src/lib.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | int_data: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_ref` [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | data_ref: &'this i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | data: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.19s [INFO] running `Command { std: "docker" "inspect" "2e47028c5a09617b1efd479d28fe34f309f0c3ad3ec2efbab720a9435e0aad39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e47028c5a09617b1efd479d28fe34f309f0c3ad3ec2efbab720a9435e0aad39", kill_on_drop: false }` [INFO] [stdout] 2e47028c5a09617b1efd479d28fe34f309f0c3ad3ec2efbab720a9435e0aad39