[INFO] fetching crate mc-core 0.1.1... [INFO] checking mc-core-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate mc-core 0.1.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate mc-core 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mc-core 0.1.1 [INFO] finished tweaking crates.io crate mc-core 0.1.1 [INFO] tweaked toml for crates.io crate mc-core 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 27 packages [INFO] [stderr] Adding ahash v0.7.8 (latest: v0.8.11) [INFO] [stderr] Adding hashbrown v0.11.2 (latest: v0.14.3) [INFO] [stderr] Adding hecs v0.6.5 (latest: v0.10.4) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hecs v0.6.5 [INFO] [stderr] Downloaded named-binary-tag v0.6.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32c875f18ecec7276b2855e8074976bb9d7c2814a430389cfb69583617f6775e [INFO] running `Command { std: "docker" "start" "-a" "32c875f18ecec7276b2855e8074976bb9d7c2814a430389cfb69583617f6775e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32c875f18ecec7276b2855e8074976bb9d7c2814a430389cfb69583617f6775e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32c875f18ecec7276b2855e8074976bb9d7c2814a430389cfb69583617f6775e", kill_on_drop: false }` [INFO] [stdout] 32c875f18ecec7276b2855e8074976bb9d7c2814a430389cfb69583617f6775e [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83992964a07c614370a6b175922a43def5cfe16c08bede2dbf30346c2b8aeb61 [INFO] running `Command { std: "docker" "start" "-a" "83992964a07c614370a6b175922a43def5cfe16c08bede2dbf30346c2b8aeb61", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking named-binary-tag v0.6.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking hecs v0.6.5 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking mc-core v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/block/state.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) struct SharedProperty { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | length: u8, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SharedProperty` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_entities` is never used [INFO] [stdout] --> src/world/anvil/decode.rs:183:4 [INFO] [stdout] | [INFO] [stdout] 183 | fn decode_entities(tag_root: &CompoundTag, chunk: &mut ProtoChunk) -> Result<(), DecodeError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_entity` is never used [INFO] [stdout] --> src/world/anvil/decode.rs:215:4 [INFO] [stdout] | [INFO] [stdout] 215 | fn decode_entity(tag_entity: &CompoundTag, entities: &GlobalEntities, chunk: &mut ProtoChunk) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/block/state.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) struct SharedProperty { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | length: u8, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SharedProperty` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_entities` is never used [INFO] [stdout] --> src/world/anvil/decode.rs:183:4 [INFO] [stdout] | [INFO] [stdout] 183 | fn decode_entities(tag_root: &CompoundTag, chunk: &mut ProtoChunk) -> Result<(), DecodeError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_entity` is never used [INFO] [stdout] --> src/world/anvil/decode.rs:215:4 [INFO] [stdout] | [INFO] [stdout] 215 | fn decode_entity(tag_entity: &CompoundTag, entities: &GlobalEntities, chunk: &mut ProtoChunk) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.61s [INFO] running `Command { std: "docker" "inspect" "83992964a07c614370a6b175922a43def5cfe16c08bede2dbf30346c2b8aeb61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83992964a07c614370a6b175922a43def5cfe16c08bede2dbf30346c2b8aeb61", kill_on_drop: false }` [INFO] [stdout] 83992964a07c614370a6b175922a43def5cfe16c08bede2dbf30346c2b8aeb61 [INFO] checking mc-core-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate mc-core 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mc-core 0.1.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mc-core 0.1.1 [INFO] finished tweaking crates.io crate mc-core 0.1.1 [INFO] tweaked toml for crates.io crate mc-core 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 27 packages [INFO] [stderr] Adding ahash v0.7.8 (latest: v0.8.11) [INFO] [stderr] Adding hashbrown v0.11.2 (latest: v0.14.3) [INFO] [stderr] Adding hecs v0.6.5 (latest: v0.10.4) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6523273c80a8b8825f2793ad70863f699d19bc32102df2798e196a44e7fee0c2 [INFO] running `Command { std: "docker" "start" "-a" "6523273c80a8b8825f2793ad70863f699d19bc32102df2798e196a44e7fee0c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6523273c80a8b8825f2793ad70863f699d19bc32102df2798e196a44e7fee0c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6523273c80a8b8825f2793ad70863f699d19bc32102df2798e196a44e7fee0c2", kill_on_drop: false }` [INFO] [stdout] 6523273c80a8b8825f2793ad70863f699d19bc32102df2798e196a44e7fee0c2 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3c0d0cdf8c7140c36aa1c91244e9e9f28c503f33c2972c222b97df4d085aefc [INFO] running `Command { std: "docker" "start" "-a" "a3c0d0cdf8c7140c36aa1c91244e9e9f28c503f33c2972c222b97df4d085aefc", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking named-binary-tag v0.6.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking hecs v0.6.5 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking mc-core v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/block/state.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) struct SharedProperty { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | length: u8, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SharedProperty` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/block/state.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) struct SharedProperty { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | length: u8, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SharedProperty` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_entities` is never used [INFO] [stdout] --> src/world/anvil/decode.rs:183:4 [INFO] [stdout] | [INFO] [stdout] 183 | fn decode_entities(tag_root: &CompoundTag, chunk: &mut ProtoChunk) -> Result<(), DecodeError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_entities` is never used [INFO] [stdout] --> src/world/anvil/decode.rs:183:4 [INFO] [stdout] | [INFO] [stdout] 183 | fn decode_entities(tag_root: &CompoundTag, chunk: &mut ProtoChunk) -> Result<(), DecodeError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_entity` is never used [INFO] [stdout] --> src/world/anvil/decode.rs:215:4 [INFO] [stdout] | [INFO] [stdout] 215 | fn decode_entity(tag_entity: &CompoundTag, entities: &GlobalEntities, chunk: &mut ProtoChunk) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_entity` is never used [INFO] [stdout] --> src/world/anvil/decode.rs:215:4 [INFO] [stdout] | [INFO] [stdout] 215 | fn decode_entity(tag_entity: &CompoundTag, entities: &GlobalEntities, chunk: &mut ProtoChunk) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.54s [INFO] running `Command { std: "docker" "inspect" "a3c0d0cdf8c7140c36aa1c91244e9e9f28c503f33c2972c222b97df4d085aefc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3c0d0cdf8c7140c36aa1c91244e9e9f28c503f33c2972c222b97df4d085aefc", kill_on_drop: false }` [INFO] [stdout] a3c0d0cdf8c7140c36aa1c91244e9e9f28c503f33c2972c222b97df4d085aefc