[INFO] crate custom_panic 0.0.0 is already in cache
[INFO] checking custom_panic-0.0.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate custom_panic 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate custom_panic 0.0.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate custom_panic 0.0.0
[INFO] finished tweaking crates.io crate custom_panic 0.0.0
[INFO] tweaked toml for crates.io crate custom_panic 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 94c3031095252e9296539d7c932027bf2c1140f4056d9f81bda6193e9cfb4ea9
[INFO] running `"docker" "start" "-a" "94c3031095252e9296539d7c932027bf2c1140f4056d9f81bda6193e9cfb4ea9"`
[INFO] [stderr]     Checking custom_panic v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `message`
[INFO] [stderr]  --> src/lib.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     message: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `location`
[INFO] [stderr]  --> src/lib.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     location: Option<ErrorLocation>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `file`
[INFO] [stderr]   --> src/lib.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     file: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]   --> src/lib.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     line: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `message`
[INFO] [stderr]  --> src/lib.rs:7:2
[INFO] [stderr]   |
[INFO] [stderr] 7 |     message: Option<String>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `location`
[INFO] [stderr]  --> src/lib.rs:8:2
[INFO] [stderr]   |
[INFO] [stderr] 8 |     location: Option<ErrorLocation>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `file`
[INFO] [stderr]   --> src/lib.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     file: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]   --> src/lib.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     line: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "94c3031095252e9296539d7c932027bf2c1140f4056d9f81bda6193e9cfb4ea9"`
[INFO] running `"docker" "rm" "-f" "94c3031095252e9296539d7c932027bf2c1140f4056d9f81bda6193e9cfb4ea9"`
[INFO] [stdout] 94c3031095252e9296539d7c932027bf2c1140f4056d9f81bda6193e9cfb4ea9