[INFO] crate ipcrypt 0.1.0 is already in cache
[INFO] testing ipcrypt-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate ipcrypt 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ipcrypt 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ipcrypt 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ipcrypt 0.1.0
[INFO] tweaked toml for crates.io crate ipcrypt 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 129d631c8f7959394ddbe381cbdb8ac9aedfa740fa96554eb483dc9c9f74d693
[INFO] running `"docker" "start" "-a" "129d631c8f7959394ddbe381cbdb8ac9aedfa740fa96554eb483dc9c9f74d693"`
[INFO] [stderr]    Compiling ipcrypt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "129d631c8f7959394ddbe381cbdb8ac9aedfa740fa96554eb483dc9c9f74d693"`
[INFO] running `"docker" "rm" "-f" "129d631c8f7959394ddbe381cbdb8ac9aedfa740fa96554eb483dc9c9f74d693"`
[INFO] [stdout] 129d631c8f7959394ddbe381cbdb8ac9aedfa740fa96554eb483dc9c9f74d693
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79e4fa0ad7b91aa487a4450297643d491025bb405b517d0d76bff8bef0321c7d
[INFO] running `"docker" "start" "-a" "79e4fa0ad7b91aa487a4450297643d491025bb405b517d0d76bff8bef0321c7d"`
[INFO] [stderr]    Compiling ipcrypt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: cannot find macro `panic` in this scope
[INFO] [stderr]    --> src/lib.rs:239:3
[INFO] [stderr]     |
[INFO] [stderr] 239 |         assert_eq!(encrypt(plain, key), cipher);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `panic` in this scope
[INFO] [stderr]    --> src/lib.rs:241:3
[INFO] [stderr]     |
[INFO] [stderr] 241 |         assert_eq!(decrypt(cipher, key), plain);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `panic` in this scope
[INFO] [stderr]    --> src/lib.rs:273:3
[INFO] [stderr]     |
[INFO] [stderr] 273 |         assert_eq!(encrypt(plain, key), cipher);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `panic` in this scope
[INFO] [stderr]    --> src/lib.rs:275:3
[INFO] [stderr]     |
[INFO] [stderr] 275 |         assert_eq!(decrypt(cipher, key), plain);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ipcrypt`.
[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" "79e4fa0ad7b91aa487a4450297643d491025bb405b517d0d76bff8bef0321c7d"`
[INFO] running `"docker" "rm" "-f" "79e4fa0ad7b91aa487a4450297643d491025bb405b517d0d76bff8bef0321c7d"`
[INFO] [stdout] 79e4fa0ad7b91aa487a4450297643d491025bb405b517d0d76bff8bef0321c7d