[INFO] crate rfc-4226 0.1.0 is already in cache
[INFO] checking rfc-4226-0.1.0 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate rfc-4226 0.1.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate rfc-4226 0.1.0 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rfc-4226 0.1.0
[INFO] finished tweaking crates.io crate rfc-4226 0.1.0
[INFO] tweaked toml for crates.io crate rfc-4226 0.1.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fa6e639fdb9d8cf435e91b78fb4a0dd9b636208903c0deb77fda33d7181d320b
[INFO] running `"docker" "start" "-a" "fa6e639fdb9d8cf435e91b78fb4a0dd9b636208903c0deb77fda33d7181d320b"`
[INFO] [stderr]     Checking rfc-4226 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: type alias is never used: `Throttle`
[INFO] [stderr]    --> src/lib.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     type Throttle = u8; // Throttling parameter (attempts)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Resync`
[INFO] [stderr]    --> src/lib.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     type Resync = u8; // Resynchronization parameter
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]    --> src/lib.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub enum Error {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Handle`
[INFO] [stderr]    --> src/lib.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     struct Handle {
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Throttle`
[INFO] [stderr]    --> src/lib.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     type Throttle = u8; // Throttling parameter (attempts)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Resync`
[INFO] [stderr]    --> src/lib.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     type Resync = u8; // Resynchronization parameter
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Error`
[INFO] [stderr]    --> src/lib.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub enum Error {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Handle`
[INFO] [stderr]    --> src/lib.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     struct Handle {
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "fa6e639fdb9d8cf435e91b78fb4a0dd9b636208903c0deb77fda33d7181d320b"`
[INFO] running `"docker" "rm" "-f" "fa6e639fdb9d8cf435e91b78fb4a0dd9b636208903c0deb77fda33d7181d320b"`
[INFO] [stdout] fa6e639fdb9d8cf435e91b78fb4a0dd9b636208903c0deb77fda33d7181d320b