[INFO] fetching crate hdrhistogram 7.1.0...
[INFO] checking hdrhistogram-7.1.0 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate hdrhistogram 7.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate hdrhistogram 7.1.0 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hdrhistogram 7.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hdrhistogram 7.1.0
[INFO] tweaked toml for crates.io crate hdrhistogram 7.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate hdrhistogram 7.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1a399c10897767c36d147199696c96f193034e49" "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] 6d2f726cb1927d8a4dcfc423495b8162ed7375205f77ddae9114886146e249b3
[INFO] running `"docker" "start" "-a" "6d2f726cb1927d8a4dcfc423495b8162ed7375205f77ddae9114886146e249b3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking base64 v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hdrhistogram v7.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rug v1.8.0
[INFO] [stderr] error[E0432]: unresolved import `self::test`
[INFO] [stderr]  --> benches/record.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::test::Bencher;
[INFO] [stderr]   |           ^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           unresolved import
[INFO] [stderr]   |           help: a similar path exists: `crate::test`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `test`
[INFO] [stderr]  --> benches/interval_log.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use test::Bencher;
[INFO] [stderr]   |     ^^^^ use of undeclared type or module `test`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `self::test`
[INFO] [stderr]  --> benches/serialization.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::test::Bencher;
[INFO] [stderr]   |           ^^^^
[INFO] [stderr]   |           |
[INFO] [stderr]   |           unresolved import
[INFO] [stderr]   |           help: a similar path exists: `crate::test`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `hdrhistogram`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6d2f726cb1927d8a4dcfc423495b8162ed7375205f77ddae9114886146e249b3"`
[INFO] running `"docker" "rm" "-f" "6d2f726cb1927d8a4dcfc423495b8162ed7375205f77ddae9114886146e249b3"`
[INFO] [stdout] 6d2f726cb1927d8a4dcfc423495b8162ed7375205f77ddae9114886146e249b3