[INFO] fetching crate shardio 0.7.3... [INFO] checking shardio-0.7.3 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991 [INFO] extracting crate shardio 0.7.3 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate shardio 0.7.3 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate shardio 0.7.3 [INFO] finished tweaking crates.io crate shardio 0.7.3 [INFO] tweaked toml for crates.io crate shardio 0.7.3 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded is_sorted v0.1.1 [INFO] [stderr] Downloaded min-max-heap v1.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74f496f4843fcc3170c0c5ada0afb64537cf783e82ebb56e4e24cd4bd1ae37ae [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" "74f496f4843fcc3170c0c5ada0afb64537cf783e82ebb56e4e24cd4bd1ae37ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74f496f4843fcc3170c0c5ada0afb64537cf783e82ebb56e4e24cd4bd1ae37ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74f496f4843fcc3170c0c5ada0afb64537cf783e82ebb56e4e24cd4bd1ae37ae", kill_on_drop: false }` [INFO] [stdout] 74f496f4843fcc3170c0c5ada0afb64537cf783e82ebb56e4e24cd4bd1ae37ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d0fb1f50fe15feabe70cd2a1022f6f4fcbdad08bdac6cb50f2b7fba414cf76c3 [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" "d0fb1f50fe15feabe70cd2a1022f6f4fcbdad08bdac6cb50f2b7fba414cf76c3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking min-max-heap v1.3.0 [INFO] [stderr] Checking is_sorted v0.1.1 [INFO] [stderr] Compiling lz4-sys v1.9.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking pretty_assertions v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking backtrace v0.3.54 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking lz4 v1.23.2 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking shardio v0.7.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking csv v1.1.4 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: function is never used: `benchmark_roundtrip` [INFO] [stdout] --> benches/my_bench.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 124 | fn benchmark_roundtrip(c: &mut Criterion) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `getf` [INFO] [stdout] --> benches/my_bench.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | fn getf() -> impl Write { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `direct` [INFO] [stdout] --> benches/my_bench.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 132 | fn direct(size: usize) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lz4_only` [INFO] [stdout] --> benches/my_bench.rs:138:8 [INFO] [stdout] | [INFO] [stdout] 138 | fn lz4_only(size: usize) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bincode_only` [INFO] [stdout] --> benches/my_bench.rs:146:8 [INFO] [stdout] | [INFO] [stdout] 146 | fn bincode_only(size: usize) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bincode_lz4` [INFO] [stdout] --> benches/my_bench.rs:153:8 [INFO] [stdout] | [INFO] [stdout] 153 | fn bincode_lz4(size: usize) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bincode_buf_lz4` [INFO] [stdout] --> benches/my_bench.rs:161:8 [INFO] [stdout] | [INFO] [stdout] 161 | fn bincode_buf_lz4(size: usize) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `KB` [INFO] [stdout] --> benches/my_bench.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | const KB: usize = 1024; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `v` [INFO] [stdout] --> benches/my_bench.rs:173:5 [INFO] [stdout] | [INFO] [stdout] 173 | static v: [usize; 4] = [256 * KB, 512 * KB, 1024 * KB, 2048 * KB]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> benches/my_bench.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | sender.send(tt); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> benches/my_bench.rs:121:9 [INFO] [stdout] | [INFO] [stdout] 121 | check_round_trip(2048, 32, 1 << 13, 1 << 17); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `v` should have an upper case name [INFO] [stdout] --> benches/my_bench.rs:173:12 [INFO] [stdout] | [INFO] [stdout] 173 | static v: [usize; 4] = [256 * KB, 512 * KB, 1024 * KB, 2048 * KB]; [INFO] [stdout] | ^ help: convert the identifier to upper case (notice the capitalization): `V` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 15s [INFO] running `Command { std: "docker" "inspect" "d0fb1f50fe15feabe70cd2a1022f6f4fcbdad08bdac6cb50f2b7fba414cf76c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0fb1f50fe15feabe70cd2a1022f6f4fcbdad08bdac6cb50f2b7fba414cf76c3", kill_on_drop: false }` [INFO] [stdout] d0fb1f50fe15feabe70cd2a1022f6f4fcbdad08bdac6cb50f2b7fba414cf76c3