[INFO] crate replace-map 0.0.7 is already in cache
[INFO] testing replace-map-0.0.7 against 1.44.0 for beta-1.45-1
[INFO] extracting crate replace-map 0.0.7 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate replace-map 0.0.7 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate replace-map 0.0.7
[INFO] finished tweaking crates.io crate replace-map 0.0.7
[INFO] tweaked toml for crates.io crate replace-map 0.0.7 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a57ba7f172bc00671e045d9cd484db3d0d15eef0d411ea18e9b092db66986356
[INFO] running `"docker" "start" "-a" "a57ba7f172bc00671e045d9cd484db3d0d15eef0d411ea18e9b092db66986356"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling replace-map v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find function `read_and_zero` in module `ptr`
[INFO] [stderr]   --> src/lib.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 |     *src = prod(ptr::read_and_zero(src as *mut T));
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ not found in `ptr`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `replace-map`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a57ba7f172bc00671e045d9cd484db3d0d15eef0d411ea18e9b092db66986356"`
[INFO] running `"docker" "rm" "-f" "a57ba7f172bc00671e045d9cd484db3d0d15eef0d411ea18e9b092db66986356"`
[INFO] [stdout] a57ba7f172bc00671e045d9cd484db3d0d15eef0d411ea18e9b092db66986356