[INFO] updating cached repository frol/rust-benchmark-option-replace_with-rfc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/frol/rust-benchmark-option-replace_with-rfc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/frol/rust-benchmark-option-replace_with-rfc" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/frol/rust-benchmark-option-replace_with-rfc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/frol/rust-benchmark-option-replace_with-rfc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/frol/rust-benchmark-option-replace_with-rfc" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/frol/rust-benchmark-option-replace_with-rfc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/frol/rust-benchmark-option-replace_with-rfc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a79f0a3c095e82cb31849a723bc96b064ef944dc
[INFO] sha for GitHub repo frol/rust-benchmark-option-replace_with-rfc: a79f0a3c095e82cb31849a723bc96b064ef944dc
[INFO] validating manifest of frol/rust-benchmark-option-replace_with-rfc 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 frol/rust-benchmark-option-replace_with-rfc 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 frol/rust-benchmark-option-replace_with-rfc
[INFO] finished frobbing frol/rust-benchmark-option-replace_with-rfc
[INFO] frobbed toml for frol/rust-benchmark-option-replace_with-rfc written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/frol/rust-benchmark-option-replace_with-rfc/Cargo.toml
[INFO] started frobbing frol/rust-benchmark-option-replace_with-rfc
[INFO] finished frobbing frol/rust-benchmark-option-replace_with-rfc
[INFO] frobbed toml for frol/rust-benchmark-option-replace_with-rfc written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/frol/rust-benchmark-option-replace_with-rfc/Cargo.toml
[INFO] crate frol/rust-benchmark-option-replace_with-rfc 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] testing frol/rust-benchmark-option-replace_with-rfc against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/frol/rust-benchmark-option-replace_with-rfc:/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] 725afc61d51772f638f4dbd4c82c5e0274c880aa69e7b791d1891b4f0341d32e
[INFO] running `"docker" "start" "-a" "725afc61d51772f638f4dbd4c82c5e0274c880aa69e7b791d1891b4f0341d32e"`
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling criterion-stats v0.2.3
[INFO] [stderr]    Compiling handlebars v0.31.0
[INFO] [stderr]    Compiling simplelog v0.5.2
[INFO] [stderr]    Compiling criterion v0.2.3
[INFO] [stderr]    Compiling benchmark_replace_with v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.61s
[INFO] running `"docker" "inspect" "725afc61d51772f638f4dbd4c82c5e0274c880aa69e7b791d1891b4f0341d32e"`
[INFO] running `"docker" "rm" "-f" "725afc61d51772f638f4dbd4c82c5e0274c880aa69e7b791d1891b4f0341d32e"`
[INFO] [stdout] 725afc61d51772f638f4dbd4c82c5e0274c880aa69e7b791d1891b4f0341d32e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/frol/rust-benchmark-option-replace_with-rfc:/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] 794c37b0d2c57cdac461f289fb5c9a421a9565564509813ddf603a56215b18f9
[INFO] running `"docker" "start" "-a" "794c37b0d2c57cdac461f289fb5c9a421a9565564509813ddf603a56215b18f9"`
[INFO] [stderr]    Compiling benchmark_replace_with v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "794c37b0d2c57cdac461f289fb5c9a421a9565564509813ddf603a56215b18f9"`
[INFO] running `"docker" "rm" "-f" "794c37b0d2c57cdac461f289fb5c9a421a9565564509813ddf603a56215b18f9"`
[INFO] [stdout] 794c37b0d2c57cdac461f289fb5c9a421a9565564509813ddf603a56215b18f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/frol/rust-benchmark-option-replace_with-rfc:/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"`
[INFO] [stdout] 685e87dc2a9667a01309b286b3b6802cb02630944fe58af94751480d0b7e94f9
[INFO] running `"docker" "start" "-a" "685e87dc2a9667a01309b286b3b6802cb02630944fe58af94751480d0b7e94f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/benchmark_replace_with-35524c8e6291e4aa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "685e87dc2a9667a01309b286b3b6802cb02630944fe58af94751480d0b7e94f9"`
[INFO] running `"docker" "rm" "-f" "685e87dc2a9667a01309b286b3b6802cb02630944fe58af94751480d0b7e94f9"`
[INFO] [stdout] 685e87dc2a9667a01309b286b3b6802cb02630944fe58af94751480d0b7e94f9