[INFO] crate iset 0.0.3 is already in cache
[INFO] checking iset-0.0.3 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate iset 0.0.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate iset 0.0.3 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate iset 0.0.3
[INFO] finished tweaking crates.io crate iset 0.0.3
[INFO] tweaked toml for crates.io crate iset 0.0.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 308a70de19c13e291836f8ad49ebab7cef84ab797820ff2b21336e6faf1ecdb3
[INFO] running `"docker" "start" "-a" "308a70de19c13e291836f8ad49ebab7cef84ab797820ff2b21336e6faf1ecdb3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking iset v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:303:19
[INFO] [stderr]     |
[INFO] [stderr] 303 |             root: DefaultIx::MAX,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `IndexType::MAX(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(assoc_int_consts)]` to the crate attributes to enable `core::num::<impl u32>::MAX`
[INFO] [stderr] 
[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] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lib.rs:303:19
[INFO] [stderr]     |
[INFO] [stderr] 303 |             root: DefaultIx::MAX,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `IndexType::MAX(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(assoc_int_consts)]` to the crate attributes to enable `core::num::<impl u32>::MAX`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 8.75s
[INFO] running `"docker" "inspect" "308a70de19c13e291836f8ad49ebab7cef84ab797820ff2b21336e6faf1ecdb3"`
[INFO] running `"docker" "rm" "-f" "308a70de19c13e291836f8ad49ebab7cef84ab797820ff2b21336e6faf1ecdb3"`
[INFO] [stdout] 308a70de19c13e291836f8ad49ebab7cef84ab797820ff2b21336e6faf1ecdb3