[INFO] fetching crate build_metadata 0.1.0...
[INFO] checking build_metadata-0.1.0 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate build_metadata 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate build_metadata 0.1.0 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate build_metadata 0.1.0
[INFO] finished tweaking crates.io crate build_metadata 0.1.0
[INFO] tweaked toml for crates.io crate build_metadata 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 9c514af1ef1da245510afb081e92f7df1add695cc1363cedec017e7dd357a249
[INFO] running `"docker" "start" "-a" "9c514af1ef1da245510afb081e92f7df1add695cc1363cedec017e7dd357a249"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.4.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking git2 v0.4.4
[INFO] [stderr]     Checking build_metadata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | extern crate rustc;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: please recompile that crate using --crate-type lib
[INFO] [stderr]    = note: the following crate versions were found:
[INFO] [stderr]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/914adf04af1c1a984707f778da3d04590c03d144/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stderr]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/914adf04af1c1a984707f778da3d04590c03d144/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stderr]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/914adf04af1c1a984707f778da3d04590c03d144/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stderr]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/914adf04af1c1a984707f778da3d04590c03d144/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `build_metadata`.
[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[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stderr]   --> src/lib.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | extern crate rustc;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: please recompile that crate using --crate-type lib
[INFO] [stderr]    = note: the following crate versions were found:
[INFO] [stderr]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/914adf04af1c1a984707f778da3d04590c03d144/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.asan.a
[INFO] [stderr]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/914adf04af1c1a984707f778da3d04590c03d144/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.tsan.a
[INFO] [stderr]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/914adf04af1c1a984707f778da3d04590c03d144/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.msan.a
[INFO] [stderr]            crate `rustc`: /opt/rustwide/rustup-home/toolchains/914adf04af1c1a984707f778da3d04590c03d144/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-nightly_rt.lsan.a
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `build_metadata`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9c514af1ef1da245510afb081e92f7df1add695cc1363cedec017e7dd357a249"`
[INFO] running `"docker" "rm" "-f" "9c514af1ef1da245510afb081e92f7df1add695cc1363cedec017e7dd357a249"`
[INFO] [stdout] 9c514af1ef1da245510afb081e92f7df1add695cc1363cedec017e7dd357a249