[INFO] crate sfmt 0.6.0 is already in cache
[INFO] checking sfmt-0.6.0 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate sfmt 0.6.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate sfmt 0.6.0 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sfmt 0.6.0
[INFO] finished tweaking crates.io crate sfmt 0.6.0
[INFO] tweaked toml for crates.io crate sfmt 0.6.0 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ad1a3fa5ce4927c136b29955d3162cd70216e68ddb6f2a31614fdacbc0b0ef0d
[INFO] running `"docker" "start" "-a" "ad1a3fa5ce4927c136b29955d3162cd70216e68ddb6f2a31614fdacbc0b0ef0d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sfmt v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/packed.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     ::std::mem::replace(vals, updated);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/packed.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     ::std::mem::replace(vals, updated);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `XorShiftRng`
[INFO] [stderr]   --> benches/rand_gen.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |     def_bench!(xorshift, f64, XorShiftRng::from_entropy());
[INFO] [stderr]    |                               ^^^^^^^^^^^ use of undeclared type or module `XorShiftRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `XorShiftRng`
[INFO] [stderr]   --> benches/rand_gen.rs:33:31
[INFO] [stderr]    |
[INFO] [stderr] 33 |     def_bench!(xorshift, f32, XorShiftRng::from_entropy());
[INFO] [stderr]    |                               ^^^^^^^^^^^ use of undeclared type or module `XorShiftRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `XorShiftRng`
[INFO] [stderr]   --> benches/rand_gen.rs:39:31
[INFO] [stderr]    |
[INFO] [stderr] 39 |     def_bench!(xorshift, u64, XorShiftRng::from_entropy());
[INFO] [stderr]    |                               ^^^^^^^^^^^ use of undeclared type or module `XorShiftRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `XorShiftRng`
[INFO] [stderr]   --> benches/rand_gen.rs:45:31
[INFO] [stderr]    |
[INFO] [stderr] 45 |     def_bench!(xorshift, u32, XorShiftRng::from_entropy());
[INFO] [stderr]    |                               ^^^^^^^^^^^ use of undeclared type or module `XorShiftRng`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `sfmt`.
[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: build failed
[INFO] running `"docker" "inspect" "ad1a3fa5ce4927c136b29955d3162cd70216e68ddb6f2a31614fdacbc0b0ef0d"`
[INFO] running `"docker" "rm" "-f" "ad1a3fa5ce4927c136b29955d3162cd70216e68ddb6f2a31614fdacbc0b0ef0d"`
[INFO] [stdout] ad1a3fa5ce4927c136b29955d3162cd70216e68ddb6f2a31614fdacbc0b0ef0d