[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/beta-1.38-1/sources/1.37.0/gh/frol/rust-benchmark-option-replace_with-rfc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/frol/rust-benchmark-option-replace_with-rfc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of frol/rust-benchmark-option-replace_with-rfc on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/frol/rust-benchmark-option-replace_with-rfc/Cargo.toml
[INFO] crate frol/rust-benchmark-option-replace_with-rfc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing frol/rust-benchmark-option-replace_with-rfc against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] aa0fa9e964d977b950a08310da3d064101c1658cdac824a5920e2ac0eb24e02c
[INFO] running `"docker" "start" "-a" "aa0fa9e964d977b950a08310da3d064101c1658cdac824a5920e2ac0eb24e02c"`
[INFO] [stderr]    Compiling serde v1.0.68
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling criterion-plot v0.2.3
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling criterion-stats v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling chrono v0.4.4
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.68
[INFO] [stderr]    Compiling simplelog v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling handlebars v0.31.0
[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 1m 03s
[INFO] running `"docker" "inspect" "aa0fa9e964d977b950a08310da3d064101c1658cdac824a5920e2ac0eb24e02c"`
[INFO] running `"docker" "rm" "-f" "aa0fa9e964d977b950a08310da3d064101c1658cdac824a5920e2ac0eb24e02c"`
[INFO] [stdout] aa0fa9e964d977b950a08310da3d064101c1658cdac824a5920e2ac0eb24e02c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 575e8ae8a955af2225c3ffb5eeb976b207addad5efb802781d3af02891d8be07
[INFO] running `"docker" "start" "-a" "575e8ae8a955af2225c3ffb5eeb976b207addad5efb802781d3af02891d8be07"`
[INFO] [stderr]    Compiling benchmark_replace_with v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "575e8ae8a955af2225c3ffb5eeb976b207addad5efb802781d3af02891d8be07"`
[INFO] running `"docker" "rm" "-f" "575e8ae8a955af2225c3ffb5eeb976b207addad5efb802781d3af02891d8be07"`
[INFO] [stdout] 575e8ae8a955af2225c3ffb5eeb976b207addad5efb802781d3af02891d8be07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5f903583ce806fcd596f63d92c1fa72d1f7faf5fdc97fb4fd0f1aac2d719c359
[INFO] running `"docker" "start" "-a" "5f903583ce806fcd596f63d92c1fa72d1f7faf5fdc97fb4fd0f1aac2d719c359"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/benchmark_replace_with-ed33c27b37c0663c
[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" "5f903583ce806fcd596f63d92c1fa72d1f7faf5fdc97fb4fd0f1aac2d719c359"`
[INFO] running `"docker" "rm" "-f" "5f903583ce806fcd596f63d92c1fa72d1f7faf5fdc97fb4fd0f1aac2d719c359"`
[INFO] [stdout] 5f903583ce806fcd596f63d92c1fa72d1f7faf5fdc97fb4fd0f1aac2d719c359