[INFO] fetching crate parquet 2.0.0... [INFO] checking parquet-2.0.0 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338 [INFO] extracting crate parquet 2.0.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate parquet 2.0.0 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate parquet 2.0.0 [INFO] finished tweaking crates.io crate parquet 2.0.0 [INFO] tweaked toml for crates.io crate parquet 2.0.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate parquet 2.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arrow v2.0.0 [INFO] [stderr] Downloaded brotli-decompressor v2.3.1 [INFO] [stderr] Downloaded parquet-format v2.6.1 [INFO] [stderr] Downloaded flatbuffers v0.6.1 [INFO] [stderr] Downloaded alloc-no-stdlib v2.0.1 [INFO] [stderr] Downloaded snap v1.0.1 [INFO] [stderr] Downloaded alloc-stdlib v0.2.1 [INFO] [stderr] Downloaded brotli v3.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e8f4199e9b7cfbc3ef547a0839d0673ceada6ec2ddf713362ff5a22cb5137939 [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" "e8f4199e9b7cfbc3ef547a0839d0673ceada6ec2ddf713362ff5a22cb5137939", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8f4199e9b7cfbc3ef547a0839d0673ceada6ec2ddf713362ff5a22cb5137939", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8f4199e9b7cfbc3ef547a0839d0673ceada6ec2ddf713362ff5a22cb5137939", kill_on_drop: false }` [INFO] [stdout] e8f4199e9b7cfbc3ef547a0839d0673ceada6ec2ddf713362ff5a22cb5137939 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0478c03d0ce2b727910647d9b0c9d0d5f0bafaf8d8f8f4b9113ce0c58c771262 [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" "0478c03d0ce2b727910647d9b0c9d0d5f0bafaf8d8f8f4b9113ce0c58c771262", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling syn v1.0.45 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking integer-encoding v1.1.5 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling snap v1.0.1 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Compiling parquet v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Checking flatbuffers v0.6.1 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling cc v1.0.61 [INFO] [stderr] Checking flate2 v1.0.18 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking ordered-float v1.1.0 [INFO] [stderr] Checking num-complex v0.3.0 [INFO] [stderr] Checking thrift v0.13.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling zstd-sys v1.4.17+zstd.1.4.5 [INFO] [stderr] Compiling lz4-sys v1.9.2 [INFO] [stderr] Checking parquet-format v2.6.1 [INFO] [stderr] Checking num v0.3.0 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking lz4 v1.23.2 [INFO] [stderr] Checking arrow v2.0.0 [INFO] [stderr] Checking zstd-safe v2.0.5+zstd.1.4.5 [INFO] [stderr] Checking zstd v0.5.3+zstd.1.4.5 [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/encodings/encoding.rs:391:9 [INFO] [stdout] | [INFO] [stdout] 391 | mem::replace(&mut self.hash_slots, new_hash_slots); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/encodings/encoding.rs:391:9 [INFO] [stdout] | [INFO] [stdout] 391 | mem::replace(&mut self.hash_slots, new_hash_slots); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 15s [INFO] running `Command { std: "docker" "inspect" "0478c03d0ce2b727910647d9b0c9d0d5f0bafaf8d8f8f4b9113ce0c58c771262", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0478c03d0ce2b727910647d9b0c9d0d5f0bafaf8d8f8f4b9113ce0c58c771262", kill_on_drop: false }` [INFO] [stdout] 0478c03d0ce2b727910647d9b0c9d0d5f0bafaf8d8f8f4b9113ce0c58c771262