[INFO] crate pocket_prover 0.6.0 is already in cache
[INFO] checking pocket_prover-0.6.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate pocket_prover 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pocket_prover 0.6.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pocket_prover 0.6.0
[INFO] finished tweaking crates.io crate pocket_prover 0.6.0
[INFO] tweaked toml for crates.io crate pocket_prover 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c0df23442212debe0c2570e39f24988e5d5c9824743a9a400581989fdf0d03ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c0df23442212debe0c2570e39f24988e5d5c9824743a9a400581989fdf0d03ef"`
[INFO] [stderr]     Checking pocket_prover v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:144:35
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub fn countn(n: usize, fun: &mut FnMut(&[u64]) -> u64) -> u64 {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u64]) -> u64`
[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:144:35
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub fn countn(n: usize, fun: &mut FnMut(&[u64]) -> u64) -> u64 {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&[u64]) -> u64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/vars.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "c0df23442212debe0c2570e39f24988e5d5c9824743a9a400581989fdf0d03ef"`
[INFO] running `"docker" "rm" "-f" "c0df23442212debe0c2570e39f24988e5d5c9824743a9a400581989fdf0d03ef"`
[INFO] [stdout] c0df23442212debe0c2570e39f24988e5d5c9824743a9a400581989fdf0d03ef