[INFO] fetching crate fastnbt 1.2.0... [INFO] checking fastnbt-1.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] extracting crate fastnbt 1.2.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate fastnbt 1.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fastnbt 1.2.0 [INFO] finished tweaking crates.io crate fastnbt 1.2.0 [INFO] tweaked toml for crates.io crate fastnbt 1.2.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate fastnbt 1.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] eac6253360950afb4947363cc53582bb70057eddee9e20371d4dff2fca7ac4ee [INFO] running `Command { std: "docker" "start" "-a" "eac6253360950afb4947363cc53582bb70057eddee9e20371d4dff2fca7ac4ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eac6253360950afb4947363cc53582bb70057eddee9e20371d4dff2fca7ac4ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eac6253360950afb4947363cc53582bb70057eddee9e20371d4dff2fca7ac4ee", kill_on_drop: false }` [INFO] [stdout] eac6253360950afb4947363cc53582bb70057eddee9e20371d4dff2fca7ac4ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 573e7edc774e724193cbbe1a41a240dc0b2fe658611a3d45b83a9adcf86fbbfa [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" "573e7edc774e724193cbbe1a41a240dc0b2fe658611a3d45b83a9adcf86fbbfa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking crc32fast v1.2.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking flate2 v1.0.21 [INFO] [stderr] Checking fastnbt v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `tag` [INFO] [stdout] --> src/borrow.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | tag: CompTag, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tag` [INFO] [stdout] --> src/borrow.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | tag: CompTag, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tag` [INFO] [stdout] --> src/borrow.rs:107:5 [INFO] [stdout] | [INFO] [stdout] 107 | tag: CompTag, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_version` [INFO] [stdout] --> examples/simple-deserialize.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | data_version: 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: `inventory` [INFO] [stdout] --> examples/simple-deserialize.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | inventory: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ender_items` [INFO] [stdout] --> examples/simple-deserialize.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | ender_items: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> examples/simple-deserialize.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data_version` [INFO] [stdout] --> examples/avoid-allocation.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | data_version: 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: `inventory` [INFO] [stdout] --> examples/avoid-allocation.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | inventory: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ender_items` [INFO] [stdout] --> examples/avoid-allocation.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | ender_items: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> examples/avoid-allocation.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | id: &'a str, // We avoid allocating a string here. [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tag` [INFO] [stdout] --> examples/avoid-allocation.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | tag: Option, // Also get the less structured properties of the object. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `count` [INFO] [stdout] --> examples/avoid-allocation.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | count: i8, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tag` [INFO] [stdout] --> src/borrow.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | tag: CompTag, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tag` [INFO] [stdout] --> src/borrow.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 81 | tag: CompTag, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tag` [INFO] [stdout] --> src/borrow.rs:107:5 [INFO] [stdout] | [INFO] [stdout] 107 | tag: CompTag, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `a` [INFO] [stdout] --> src/test/de.rs:925:9 [INFO] [stdout] | [INFO] [stdout] 925 | a: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `properties` [INFO] [stdout] --> src/test/de.rs:946:9 [INFO] [stdout] | [INFO] [stdout] 946 | properties: HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/test/de.rs:1173:9 [INFO] [stdout] | [INFO] [stdout] 1173 | name: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bat_flags` [INFO] [stdout] --> src/test/minecraft_chunk.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | bat_flags: i8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ignited` [INFO] [stdout] --> src/test/minecraft_chunk.rs:84:19 [INFO] [stdout] | [INFO] [stdout] 84 | Creeper { ignited: i8 }, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.43s [INFO] running `Command { std: "docker" "inspect" "573e7edc774e724193cbbe1a41a240dc0b2fe658611a3d45b83a9adcf86fbbfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "573e7edc774e724193cbbe1a41a240dc0b2fe658611a3d45b83a9adcf86fbbfa", kill_on_drop: false }` [INFO] [stdout] 573e7edc774e724193cbbe1a41a240dc0b2fe658611a3d45b83a9adcf86fbbfa