[INFO] updating cached repository fatoche/rustbridge-workshop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fatoche/rustbridge-workshop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fatoche/rustbridge-workshop" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/fatoche/rustbridge-workshop"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/fatoche/rustbridge-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fatoche/rustbridge-workshop" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/fatoche/rustbridge-workshop"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/fatoche/rustbridge-workshop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 261b8b6099756ab9b59cdebc000eb0d6f72feb89
[INFO] sha for GitHub repo fatoche/rustbridge-workshop: 261b8b6099756ab9b59cdebc000eb0d6f72feb89
[INFO] validating manifest of fatoche/rustbridge-workshop on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fatoche/rustbridge-workshop on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fatoche/rustbridge-workshop
[INFO] finished frobbing fatoche/rustbridge-workshop
[INFO] frobbed toml for fatoche/rustbridge-workshop written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/fatoche/rustbridge-workshop/Cargo.toml
[INFO] started frobbing fatoche/rustbridge-workshop
[INFO] finished frobbing fatoche/rustbridge-workshop
[INFO] frobbed toml for fatoche/rustbridge-workshop written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/fatoche/rustbridge-workshop/Cargo.toml
[INFO] crate fatoche/rustbridge-workshop already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fatoche/rustbridge-workshop against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-5/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/fatoche/rustbridge-workshop:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cb64edc383e7564e3527c96cca248375e5d5b4733694eb0d4fc486499b75f834
[INFO] running `"docker" "start" "-a" "cb64edc383e7564e3527c96cca248375e5d5b4733694eb0d4fc486499b75f834"`
[INFO] [stderr]     Checking motivations v1.1.2
[INFO] [stderr]     Checking pick-one v1.0.1
[INFO] [stderr]     Checking simple-server v0.3.0
[INFO] [stderr]     Checking rustbridge-workshop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `learning_main`
[INFO] [stderr]   --> src/main.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn learning_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_fifty`
[INFO] [stderr]   --> src/main.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn add_fifty(n: i32) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `learning_main`
[INFO] [stderr]   --> src/main.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn learning_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `"docker" "inspect" "cb64edc383e7564e3527c96cca248375e5d5b4733694eb0d4fc486499b75f834"`
[INFO] running `"docker" "rm" "-f" "cb64edc383e7564e3527c96cca248375e5d5b4733694eb0d4fc486499b75f834"`
[INFO] [stdout] cb64edc383e7564e3527c96cca248375e5d5b4733694eb0d4fc486499b75f834