[INFO] fetching crate ipcrypt 0.1.0...
[INFO] checking ipcrypt-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate ipcrypt 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ipcrypt 0.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4af9221ed9eaf81d4a5994724951249bffd7d2bad7b3cc465dd38b82b0809f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4af9221ed9eaf81d4a5994724951249bffd7d2bad7b3cc465dd38b82b0809f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4af9221ed9eaf81d4a5994724951249bffd7d2bad7b3cc465dd38b82b0809f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4af9221ed9eaf81d4a5994724951249bffd7d2bad7b3cc465dd38b82b0809f2", kill_on_drop: false }`
[INFO] [stdout] b4af9221ed9eaf81d4a5994724951249bffd7d2bad7b3cc465dd38b82b0809f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6cd907afd2839ac7a18cb38ab1ab25ea12d399724102aa60ab0c6eaf453bb50
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6cd907afd2839ac7a18cb38ab1ab25ea12d399724102aa60ab0c6eaf453bb50", kill_on_drop: false }`
[INFO] [stderr]     Checking ipcrypt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `panic` in this scope
[INFO] [stdout]    --> src/lib.rs:239:3
[INFO] [stdout]     |
[INFO] [stdout] 239 |         assert_eq!(encrypt(plain, key), cipher);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panic` in this scope
[INFO] [stdout]    --> src/lib.rs:241:3
[INFO] [stdout]     |
[INFO] [stdout] 241 |         assert_eq!(decrypt(cipher, key), plain);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panic` in this scope
[INFO] [stdout]    --> src/lib.rs:273:3
[INFO] [stdout]     |
[INFO] [stdout] 273 |         assert_eq!(encrypt(plain, key), cipher);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panic` in this scope
[INFO] [stdout]    --> src/lib.rs:275:3
[INFO] [stdout]     |
[INFO] [stdout] 275 |         assert_eq!(decrypt(cipher, key), plain);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "e6cd907afd2839ac7a18cb38ab1ab25ea12d399724102aa60ab0c6eaf453bb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6cd907afd2839ac7a18cb38ab1ab25ea12d399724102aa60ab0c6eaf453bb50", kill_on_drop: false }`
[INFO] [stdout] e6cd907afd2839ac7a18cb38ab1ab25ea12d399724102aa60ab0c6eaf453bb50