[INFO] crate serde_eetf 0.1.0 is already in cache
[INFO] extracting crate serde_eetf 0.1.0 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/serde_eetf/0.1.0
[INFO] extracting crate serde_eetf 0.1.0 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/serde_eetf/0.1.0
[INFO] validating manifest of serde_eetf-0.1.0 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde_eetf-0.1.0 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde_eetf-0.1.0
[INFO] finished frobbing serde_eetf-0.1.0
[INFO] frobbed toml for serde_eetf-0.1.0 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/serde_eetf/0.1.0/Cargo.toml
[INFO] started frobbing serde_eetf-0.1.0
[INFO] finished frobbing serde_eetf-0.1.0
[INFO] frobbed toml for serde_eetf-0.1.0 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/serde_eetf/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking serde_eetf-0.1.0 against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-6/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/serde_eetf/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c8f9995606825c2fe7435ebd6918340820cd3fd9c80b99393c71d2ee6bd87b4d
[INFO] running `"docker" "start" "-a" "c8f9995606825c2fe7435ebd6918340820cd3fd9c80b99393c71d2ee6bd87b4d"`
[INFO] [stderr]     Checking eetf v0.3.6
[INFO] [stderr]     Checking serde_eetf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `end`
[INFO] [stderr]    --> src/de.rs:469:5
[INFO] [stderr]     |
[INFO] [stderr] 469 |     fn end(self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `end`
[INFO] [stderr]    --> src/de.rs:469:5
[INFO] [stderr]     |
[INFO] [stderr] 469 |     fn end(self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AnotherOption`
[INFO] [stderr]    --> src/ser.rs:566:13
[INFO] [stderr]     |
[INFO] [stderr] 566 |             AnotherOption,
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `"docker" "inspect" "c8f9995606825c2fe7435ebd6918340820cd3fd9c80b99393c71d2ee6bd87b4d"`
[INFO] running `"docker" "rm" "-f" "c8f9995606825c2fe7435ebd6918340820cd3fd9c80b99393c71d2ee6bd87b4d"`
[INFO] [stdout] c8f9995606825c2fe7435ebd6918340820cd3fd9c80b99393c71d2ee6bd87b4d