[INFO] fetching crate fastnbt 2.6.0... [INFO] checking fastnbt-2.6.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate fastnbt 2.6.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate fastnbt 2.6.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate fastnbt 2.6.0 [INFO] tweaked toml for crates.io crate fastnbt 2.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fastnbt 2.6.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate fastnbt 2.6.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ce038a9fce102c2f61ddbe481af384fd452fb94a23c1d8786483a6ca8ce12c1 [INFO] running `Command { std: "docker" "start" "-a" "6ce038a9fce102c2f61ddbe481af384fd452fb94a23c1d8786483a6ca8ce12c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ce038a9fce102c2f61ddbe481af384fd452fb94a23c1d8786483a6ca8ce12c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ce038a9fce102c2f61ddbe481af384fd452fb94a23c1d8786483a6ca8ce12c1", kill_on_drop: false }` [INFO] [stdout] 6ce038a9fce102c2f61ddbe481af384fd452fb94a23c1d8786483a6ca8ce12c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9a0815feb1800f298be845d14296ce90ee6b891b942f3c486492e30babc8316 [INFO] running `Command { std: "docker" "start" "-a" "b9a0815feb1800f298be845d14296ce90ee6b891b942f3c486492e30babc8316", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking flate2 v1.0.27 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking serde_bytes v0.11.12 [INFO] [stderr] Checking fastnbt v2.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `ser` is never read [INFO] [stdout] --> src/value/array_serializer.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ArraySerializer<'a> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 11 | pub ser: &'a mut Serializer, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/de.rs:882:19 [INFO] [stdout] | [INFO] [stdout] 882 | fn unexpected(&self) -> Unexpected { [INFO] [stdout] | ^^^^^ ---------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 882 | fn unexpected(&self) -> Unexpected<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DeOpts` and `from_bytes_with_opts` [INFO] [stdout] --> src/test/ser.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | borrow, from_bytes, from_bytes_with_opts, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 5 | test::{resources::CHUNK_RAW_WITH_ENTITIES, Single, Wrap}, [INFO] [stdout] 6 | to_bytes, to_bytes_with_opts, to_writer_with_opts, ByteArray, DeOpts, IntArray, LongArray, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json::to_writer` [INFO] [stdout] --> src/test/ser.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use serde_json::to_writer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `ser` is never read [INFO] [stdout] --> src/value/array_serializer.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct ArraySerializer<'a> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 11 | pub ser: &'a mut Serializer, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/test/minecraft_chunk.rs:68:15 [INFO] [stdout] | [INFO] [stdout] 68 | Known(KnownEntity), [INFO] [stdout] | ----- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Entity` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 68 - Known(KnownEntity), [INFO] [stdout] 68 + Known(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/test/minecraft_chunk.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | Unknown(Value), [INFO] [stdout] | ------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Entity` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 69 - Unknown(Value), [INFO] [stdout] 69 + Unknown(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `block_states` is never read [INFO] [stdout] --> src/test/minecraft_chunk.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 113 | pub struct Section<'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 114 | #[serde(borrow)] [INFO] [stdout] 115 | pub block_states: Option<&'a [u8]>, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Section` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/value/de.rs:882:19 [INFO] [stdout] | [INFO] [stdout] 882 | fn unexpected(&self) -> Unexpected { [INFO] [stdout] | ^^^^^ ---------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 882 | fn unexpected(&self) -> Unexpected<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.53s [INFO] running `Command { std: "docker" "inspect" "b9a0815feb1800f298be845d14296ce90ee6b891b942f3c486492e30babc8316", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9a0815feb1800f298be845d14296ce90ee6b891b942f3c486492e30babc8316", kill_on_drop: false }` [INFO] [stdout] b9a0815feb1800f298be845d14296ce90ee6b891b942f3c486492e30babc8316