[INFO] updating cached repository tiagocoutinho/tc-rusty
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tiagocoutinho/tc-rusty
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tiagocoutinho/tc-rusty" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/tiagocoutinho/tc-rusty"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/tiagocoutinho/tc-rusty'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tiagocoutinho/tc-rusty" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/tiagocoutinho/tc-rusty"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/tiagocoutinho/tc-rusty'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81dfdf5a067644f6fb1adb9cf557e8755a3dbf37
[INFO] sha for GitHub repo tiagocoutinho/tc-rusty: 81dfdf5a067644f6fb1adb9cf557e8755a3dbf37
[INFO] validating manifest of tiagocoutinho/tc-rusty on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tiagocoutinho/tc-rusty on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tiagocoutinho/tc-rusty
[INFO] finished frobbing tiagocoutinho/tc-rusty
[INFO] frobbed toml for tiagocoutinho/tc-rusty written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/tiagocoutinho/tc-rusty/Cargo.toml
[INFO] started frobbing tiagocoutinho/tc-rusty
[INFO] finished frobbing tiagocoutinho/tc-rusty
[INFO] frobbed toml for tiagocoutinho/tc-rusty written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/tiagocoutinho/tc-rusty/Cargo.toml
[INFO] crate tiagocoutinho/tc-rusty has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building tiagocoutinho/tc-rusty against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/tiagocoutinho/tc-rusty:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] eb113e3df43e65f56f9931b810fd8d4a2e539deb43dedf5be3439c34aa98b63c
[INFO] running `"docker" "start" "-a" "eb113e3df43e65f56f9931b810fd8d4a2e539deb43dedf5be3439c34aa98b63c"`
[INFO] [stderr]    Compiling tc-rusty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/lib.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub extern fn count_doubles(val: &[u8], n: usize) -> i32 {
[INFO] [stderr]    |                                         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "eb113e3df43e65f56f9931b810fd8d4a2e539deb43dedf5be3439c34aa98b63c"`
[INFO] running `"docker" "rm" "-f" "eb113e3df43e65f56f9931b810fd8d4a2e539deb43dedf5be3439c34aa98b63c"`
[INFO] [stdout] eb113e3df43e65f56f9931b810fd8d4a2e539deb43dedf5be3439c34aa98b63c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/tiagocoutinho/tc-rusty:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ae3e9636ac99657e65e2639061fdf8c832a7696ff01df971cb724f5dcb5c37e3
[INFO] running `"docker" "start" "-a" "ae3e9636ac99657e65e2639061fdf8c832a7696ff01df971cb724f5dcb5c37e3"`
[INFO] [stderr]    Compiling tc-rusty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/lib.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub extern fn count_doubles(val: &[u8], n: usize) -> i32 {
[INFO] [stderr]    |                                         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "ae3e9636ac99657e65e2639061fdf8c832a7696ff01df971cb724f5dcb5c37e3"`
[INFO] running `"docker" "rm" "-f" "ae3e9636ac99657e65e2639061fdf8c832a7696ff01df971cb724f5dcb5c37e3"`
[INFO] [stdout] ae3e9636ac99657e65e2639061fdf8c832a7696ff01df971cb724f5dcb5c37e3