[INFO] crate rfc-4226 0.1.0 is already in cache
[INFO] checking rfc-4226-0.1.0 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate rfc-4226 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rfc-4226 0.1.0 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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 /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 617e6408fe9133d80ce12a71ed2b708b252391661017a9250a09f7166fdd4759
[INFO] running `"docker" "start" "-a" "617e6408fe9133d80ce12a71ed2b708b252391661017a9250a09f7166fdd4759"`
[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:170:14
[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:177:12
[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:170:14
[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:177:12
[INFO] [stderr]     |
[INFO] [stderr] 177 |     struct Handle {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "617e6408fe9133d80ce12a71ed2b708b252391661017a9250a09f7166fdd4759"`
[INFO] running `"docker" "rm" "-f" "617e6408fe9133d80ce12a71ed2b708b252391661017a9250a09f7166fdd4759"`
[INFO] [stdout] 617e6408fe9133d80ce12a71ed2b708b252391661017a9250a09f7166fdd4759