[INFO] crate pprof 0.3.16 is already in cache
[INFO] checking pprof-0.3.16 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate pprof 0.3.16 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pprof 0.3.16 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pprof 0.3.16
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pprof 0.3.16
[INFO] tweaked toml for crates.io crate pprof 0.3.16 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate pprof 0.3.16 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d86eea3d61cc0a6808553a10e27fb1b4cbddf975dad34acbc100a7016506a872
[INFO] running `"docker" "start" "-a" "d86eea3d61cc0a6808553a10e27fb1b4cbddf975dad34acbc100a7016506a872"`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling pprof v0.3.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling cpp_demangle v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking msvc-demangler v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling symbolic-demangle v6.1.4
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking debugid v0.5.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.10
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.10
[INFO] [stderr]     Checking symbolic-common v6.1.4
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/collector.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const BUCKETS: usize = (1 << 12);
[INFO] [stderr]    |                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/collector.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const BUCKETS: usize = (1 << 12);
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.13s
[INFO] running `"docker" "inspect" "d86eea3d61cc0a6808553a10e27fb1b4cbddf975dad34acbc100a7016506a872"`
[INFO] running `"docker" "rm" "-f" "d86eea3d61cc0a6808553a10e27fb1b4cbddf975dad34acbc100a7016506a872"`
[INFO] [stdout] d86eea3d61cc0a6808553a10e27fb1b4cbddf975dad34acbc100a7016506a872