[INFO] fetching crate custom_default 0.0.2...
[INFO] checking custom_default-0.0.2 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate custom_default 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate custom_default 0.0.2 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate custom_default 0.0.2
[INFO] finished tweaking crates.io crate custom_default 0.0.2
[INFO] tweaked toml for crates.io crate custom_default 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 1a2ece7dfc0eca1985f429fe047e946009b9b191680d34fc75aaadacf4b9c342
[INFO] running `"docker" "start" "-a" "1a2ece7dfc0eca1985f429fe047e946009b9b191680d34fc75aaadacf4b9c342"`
[INFO] [stderr]    Compiling custom_default v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/lib.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |        return match *data {
[INFO] [stderr]    |  ______^______-
[INFO] [stderr]    | | _____|
[INFO] [stderr]    | ||
[INFO] [stderr] 41 | ||
[INFO] [stderr] 42 | ||         Data::Struct(ref data) => {
[INFO] [stderr] 43 | ||
[INFO] [stderr] ...  ||
[INFO] [stderr] 95 | ||
[INFO] [stderr] 96 | ||     };
[INFO] [stderr]    | ||     ^
[INFO] [stderr]    | ||_____|
[INFO] [stderr]    | |______unreachable expression
[INFO] [stderr]    |        any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/lib.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |        return match *data {
[INFO] [stderr]    |  ______^______-
[INFO] [stderr]    | | _____|
[INFO] [stderr]    | ||
[INFO] [stderr] 41 | ||
[INFO] [stderr] 42 | ||         Data::Struct(ref data) => {
[INFO] [stderr] 43 | ||
[INFO] [stderr] ...  ||
[INFO] [stderr] 95 | ||
[INFO] [stderr] 96 | ||     };
[INFO] [stderr]    | ||     ^
[INFO] [stderr]    | ||_____|
[INFO] [stderr]    | |______unreachable expression
[INFO] [stderr]    |        any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/lib.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |        return match *data {
[INFO] [stderr]    |  ______^______-
[INFO] [stderr]    | | _____|
[INFO] [stderr]    | ||
[INFO] [stderr] 41 | ||
[INFO] [stderr] 42 | ||         Data::Struct(ref data) => {
[INFO] [stderr] 43 | ||
[INFO] [stderr] ...  ||
[INFO] [stderr] 95 | ||
[INFO] [stderr] 96 | ||     };
[INFO] [stderr]    | ||     ^
[INFO] [stderr]    | ||_____|
[INFO] [stderr]    | |______unreachable expression
[INFO] [stderr]    |        any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "1a2ece7dfc0eca1985f429fe047e946009b9b191680d34fc75aaadacf4b9c342"`
[INFO] running `"docker" "rm" "-f" "1a2ece7dfc0eca1985f429fe047e946009b9b191680d34fc75aaadacf4b9c342"`
[INFO] [stdout] 1a2ece7dfc0eca1985f429fe047e946009b9b191680d34fc75aaadacf4b9c342