[INFO] fetching crate fastnbt 2.5.0... [INFO] checking fastnbt-2.5.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate fastnbt 2.5.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate fastnbt 2.5.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fastnbt 2.5.0 [INFO] finished tweaking crates.io crate fastnbt 2.5.0 [INFO] tweaked toml for crates.io crate fastnbt 2.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate fastnbt 2.5.0 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_bytes v0.11.12 [INFO] [stderr] Downloaded arbitrary v1.3.0 [INFO] [stderr] Downloaded derive_arbitrary v1.3.1 [INFO] [stderr] Downloaded flate2 v1.0.27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d13d32620b7aa366e319047eff7d95b33c5bee01dcbeeb68bc90c2dc6d66266f [INFO] running `Command { std: "docker" "start" "-a" "d13d32620b7aa366e319047eff7d95b33c5bee01dcbeeb68bc90c2dc6d66266f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d13d32620b7aa366e319047eff7d95b33c5bee01dcbeeb68bc90c2dc6d66266f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d13d32620b7aa366e319047eff7d95b33c5bee01dcbeeb68bc90c2dc6d66266f", kill_on_drop: false }` [INFO] [stdout] d13d32620b7aa366e319047eff7d95b33c5bee01dcbeeb68bc90c2dc6d66266f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ab4137bbff75dd6ee3a58b6887152d0a19bd65dba34dccff6b3f3f84bb6fc24 [INFO] running `Command { std: "docker" "start" "-a" "5ab4137bbff75dd6ee3a58b6887152d0a19bd65dba34dccff6b3f3f84bb6fc24", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking cesu8 v1.1.0 [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 v2.5.0 (/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: 1 warning emitted [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] = note: `#[warn(unused_imports)]` on by default [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(()), [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(()), [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.57s [INFO] running `Command { std: "docker" "inspect" "5ab4137bbff75dd6ee3a58b6887152d0a19bd65dba34dccff6b3f3f84bb6fc24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ab4137bbff75dd6ee3a58b6887152d0a19bd65dba34dccff6b3f3f84bb6fc24", kill_on_drop: false }` [INFO] [stdout] 5ab4137bbff75dd6ee3a58b6887152d0a19bd65dba34dccff6b3f3f84bb6fc24 [INFO] checking fastnbt-2.5.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate fastnbt 2.5.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate fastnbt 2.5.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fastnbt 2.5.0 [INFO] finished tweaking crates.io crate fastnbt 2.5.0 [INFO] tweaked toml for crates.io crate fastnbt 2.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate fastnbt 2.5.0 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aa1a81cc98765700331881643e47b7987c305e4de66259970d9e18960658dc81 [INFO] running `Command { std: "docker" "start" "-a" "aa1a81cc98765700331881643e47b7987c305e4de66259970d9e18960658dc81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa1a81cc98765700331881643e47b7987c305e4de66259970d9e18960658dc81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa1a81cc98765700331881643e47b7987c305e4de66259970d9e18960658dc81", kill_on_drop: false }` [INFO] [stdout] aa1a81cc98765700331881643e47b7987c305e4de66259970d9e18960658dc81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99ca674723951570da6e1d5d4f1b707e62205821041c3fc6306640147ae0ede5 [INFO] running `Command { std: "docker" "start" "-a" "99ca674723951570da6e1d5d4f1b707e62205821041c3fc6306640147ae0ede5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itoa v1.0.9 [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 v2.5.0 (/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: 1 warning emitted [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] = note: `#[warn(unused_imports)]` on by default [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(()), [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(()), [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.03s [INFO] running `Command { std: "docker" "inspect" "99ca674723951570da6e1d5d4f1b707e62205821041c3fc6306640147ae0ede5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99ca674723951570da6e1d5d4f1b707e62205821041c3fc6306640147ae0ede5", kill_on_drop: false }` [INFO] [stdout] 99ca674723951570da6e1d5d4f1b707e62205821041c3fc6306640147ae0ede5