[INFO] crate atomic_cell 0.1.0 is already in cache
[INFO] checking atomic_cell-0.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate atomic_cell 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate atomic_cell 0.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate atomic_cell 0.1.0
[INFO] finished tweaking crates.io crate atomic_cell 0.1.0
[INFO] tweaked toml for crates.io crate atomic_cell 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] eb2be587a111314f709a6c5c919bc1bbf34e8d42d27c491d58fadc13ec357238
[INFO] running `"docker" "start" "-a" "eb2be587a111314f709a6c5c919bc1bbf34e8d42d27c491d58fadc13ec357238"`
[INFO] [stderr]     Checking vec_map v0.3.0
[INFO] [stderr]     Checking atomic_cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:171:15
[INFO] [stderr]     |
[INFO] [stderr] 171 |     item: &'a CleanMeUp
[INFO] [stderr]     |               ^^^^^^^^^ help: use `dyn`: `dyn CleanMeUp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:179:26
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn new(item: &'a CleanMeUp) -> Self {
[INFO] [stderr]     |                          ^^^^^^^^^ help: use `dyn`: `dyn CleanMeUp`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:394:43
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let old_ptr = self.with_lock_mut(|mut ptr : &mut*mut T| {
[INFO] [stderr]     |                                           ----^^^
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `catch_panic`
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(catch_panic)] // For testing
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `atomic_cell`.
[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" "eb2be587a111314f709a6c5c919bc1bbf34e8d42d27c491d58fadc13ec357238"`
[INFO] running `"docker" "rm" "-f" "eb2be587a111314f709a6c5c919bc1bbf34e8d42d27c491d58fadc13ec357238"`
[INFO] [stdout] eb2be587a111314f709a6c5c919bc1bbf34e8d42d27c491d58fadc13ec357238
