[INFO] updating cached repository hnakamur/rust_option_size_experiment
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hnakamur/rust_option_size_experiment
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hnakamur/rust_option_size_experiment" "work/ex/beta-1.37-6/sources/1.36.0/gh/hnakamur/rust_option_size_experiment"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hnakamur/rust_option_size_experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hnakamur/rust_option_size_experiment" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hnakamur/rust_option_size_experiment"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hnakamur/rust_option_size_experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7ee72ffd9631b2924a0e5117669aaa0b43a797a
[INFO] sha for GitHub repo hnakamur/rust_option_size_experiment: b7ee72ffd9631b2924a0e5117669aaa0b43a797a
[INFO] validating manifest of hnakamur/rust_option_size_experiment on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hnakamur/rust_option_size_experiment on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hnakamur/rust_option_size_experiment
[INFO] finished frobbing hnakamur/rust_option_size_experiment
[INFO] frobbed toml for hnakamur/rust_option_size_experiment written to work/ex/beta-1.37-6/sources/1.36.0/gh/hnakamur/rust_option_size_experiment/Cargo.toml
[INFO] started frobbing hnakamur/rust_option_size_experiment
[INFO] finished frobbing hnakamur/rust_option_size_experiment
[INFO] frobbed toml for hnakamur/rust_option_size_experiment written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hnakamur/rust_option_size_experiment/Cargo.toml
[INFO] crate hnakamur/rust_option_size_experiment already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hnakamur/rust_option_size_experiment/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hnakamur/rust_option_size_experiment against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hnakamur/rust_option_size_experiment:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 168b08f07a1b1969714bc7375cacc33b47bbab60d910a72a98289e47e137fba4
[INFO] running `"docker" "start" "-a" "168b08f07a1b1969714bc7375cacc33b47bbab60d910a72a98289e47e137fba4"`
[INFO] [stderr]    Compiling option_size v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "168b08f07a1b1969714bc7375cacc33b47bbab60d910a72a98289e47e137fba4"`
[INFO] running `"docker" "rm" "-f" "168b08f07a1b1969714bc7375cacc33b47bbab60d910a72a98289e47e137fba4"`
[INFO] [stdout] 168b08f07a1b1969714bc7375cacc33b47bbab60d910a72a98289e47e137fba4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hnakamur/rust_option_size_experiment:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] c88d975b34e6ea5e7b2de817aedd37b966bc2e86220c285cffc99588fc202361
[INFO] running `"docker" "start" "-a" "c88d975b34e6ea5e7b2de817aedd37b966bc2e86220c285cffc99588fc202361"`
[INFO] [stderr]    Compiling option_size v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "c88d975b34e6ea5e7b2de817aedd37b966bc2e86220c285cffc99588fc202361"`
[INFO] running `"docker" "rm" "-f" "c88d975b34e6ea5e7b2de817aedd37b966bc2e86220c285cffc99588fc202361"`
[INFO] [stdout] c88d975b34e6ea5e7b2de817aedd37b966bc2e86220c285cffc99588fc202361
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hnakamur/rust_option_size_experiment:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 369640ddbdb73fd941f6a0a848d0f04151240801d652e93907253e7ebb08a915
[INFO] running `"docker" "start" "-a" "369640ddbdb73fd941f6a0a848d0f04151240801d652e93907253e7ebb08a915"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/option_size-9964d52f09f75cbd
[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" "369640ddbdb73fd941f6a0a848d0f04151240801d652e93907253e7ebb08a915"`
[INFO] running `"docker" "rm" "-f" "369640ddbdb73fd941f6a0a848d0f04151240801d652e93907253e7ebb08a915"`
[INFO] [stdout] 369640ddbdb73fd941f6a0a848d0f04151240801d652e93907253e7ebb08a915