[INFO] fetching crate zkp-error-utils 0.2.0...
[INFO] checking zkp-error-utils-0.2.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate zkp-error-utils 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate zkp-error-utils 0.2.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zkp-error-utils 0.2.0
[INFO] finished tweaking crates.io crate zkp-error-utils 0.2.0
[INFO] tweaked toml for crates.io crate zkp-error-utils 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89aa5083412ed615e6c84a518c097d4789fce9abc8f8a671bf4a277a1e2de217
[INFO] running `Command { std: "docker" "start" "-a" "89aa5083412ed615e6c84a518c097d4789fce9abc8f8a671bf4a277a1e2de217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89aa5083412ed615e6c84a518c097d4789fce9abc8f8a671bf4a277a1e2de217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89aa5083412ed615e6c84a518c097d4789fce9abc8f8a671bf4a277a1e2de217", kill_on_drop: false }`
[INFO] [stdout] 89aa5083412ed615e6c84a518c097d4789fce9abc8f8a671bf4a277a1e2de217
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 393e564bdac7debc8548a159b8510cce3a583c7aa5f0a1f5e3262eb90deb612d
[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" "393e564bdac7debc8548a159b8510cce3a583c7aa5f0a1f5e3262eb90deb612d", kill_on_drop: false }`
[INFO] [stderr]     Checking zkp-error-utils v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0453]: warn(unsafe_code) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | #![forbid(unsafe_code)]
[INFO] [stdout]    |           ----------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     unsafe_code,
[INFO] [stdout]    |     ^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zkp-error-utils`
[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] [stdout] error[E0453]: warn(unsafe_code) incompatible with previous forbid
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | #![forbid(unsafe_code)]
[INFO] [stdout]    |           ----------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     unsafe_code,
[INFO] [stdout]    |     ^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "393e564bdac7debc8548a159b8510cce3a583c7aa5f0a1f5e3262eb90deb612d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393e564bdac7debc8548a159b8510cce3a583c7aa5f0a1f5e3262eb90deb612d", kill_on_drop: false }`
[INFO] [stdout] 393e564bdac7debc8548a159b8510cce3a583c7aa5f0a1f5e3262eb90deb612d