[INFO] fetching crate retriever 0.0.3...
[INFO] checking retriever-0.0.3 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate retriever 0.0.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate retriever 0.0.3 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate retriever 0.0.3
[INFO] finished tweaking crates.io crate retriever 0.0.3
[INFO] tweaked toml for crates.io crate retriever 0.0.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8d76c6a25a5eb8695427b4de1437237fe1183eb636417bc334a98e789dfa3f7d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8d76c6a25a5eb8695427b4de1437237fe1183eb636417bc334a98e789dfa3f7d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking retriever v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/bits/bitfield.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) const BITS: usize = (std::mem::size_of::<usize>() * 8);
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]  --> src/bits/bitfield.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) const BITS: usize = (std::mem::size_of::<usize>() * 8);
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.39s
[INFO] running `"docker" "inspect" "8d76c6a25a5eb8695427b4de1437237fe1183eb636417bc334a98e789dfa3f7d"`
[INFO] running `"docker" "rm" "-f" "8d76c6a25a5eb8695427b4de1437237fe1183eb636417bc334a98e789dfa3f7d"`
[INFO] [stdout] 8d76c6a25a5eb8695427b4de1437237fe1183eb636417bc334a98e789dfa3f7d