[INFO] updating cached repository Siosm/ffto
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Siosm/ffto
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Siosm/ffto" "work/ex/beta-1.38-1/sources/1.37.0/gh/Siosm/ffto"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Siosm/ffto'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Siosm/ffto" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Siosm/ffto"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Siosm/ffto'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62a4254b9627bdc16732b5f730616d855bdbef34
[INFO] sha for GitHub repo Siosm/ffto: 62a4254b9627bdc16732b5f730616d855bdbef34
[INFO] validating manifest of Siosm/ffto 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 Siosm/ffto 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 Siosm/ffto
[INFO] finished frobbing Siosm/ffto
[INFO] frobbed toml for Siosm/ffto written to work/ex/beta-1.38-1/sources/1.37.0/gh/Siosm/ffto/Cargo.toml
[INFO] started frobbing Siosm/ffto
[INFO] finished frobbing Siosm/ffto
[INFO] frobbed toml for Siosm/ffto written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Siosm/ffto/Cargo.toml
[INFO] crate Siosm/ffto 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] testing Siosm/ffto 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-5/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/Siosm/ffto:/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] ad6b4c08f8f71f7dd4edbee4509e9031afa9f9178a402e4f44b14de8df93ad0e
[INFO] running `"docker" "start" "-a" "ad6b4c08f8f71f7dd4edbee4509e9031afa9f9178a402e4f44b14de8df93ad0e"`
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling ffto v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.46s
[INFO] running `"docker" "inspect" "ad6b4c08f8f71f7dd4edbee4509e9031afa9f9178a402e4f44b14de8df93ad0e"`
[INFO] running `"docker" "rm" "-f" "ad6b4c08f8f71f7dd4edbee4509e9031afa9f9178a402e4f44b14de8df93ad0e"`
[INFO] [stdout] ad6b4c08f8f71f7dd4edbee4509e9031afa9f9178a402e4f44b14de8df93ad0e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/Siosm/ffto:/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] 27a863d00b471edbe451d64260d42531307eb64b5ef7195726930cc8f9ae4009
[INFO] running `"docker" "start" "-a" "27a863d00b471edbe451d64260d42531307eb64b5ef7195726930cc8f9ae4009"`
[INFO] [stderr]    Compiling ffto v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "27a863d00b471edbe451d64260d42531307eb64b5ef7195726930cc8f9ae4009"`
[INFO] running `"docker" "rm" "-f" "27a863d00b471edbe451d64260d42531307eb64b5ef7195726930cc8f9ae4009"`
[INFO] [stdout] 27a863d00b471edbe451d64260d42531307eb64b5ef7195726930cc8f9ae4009
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/Siosm/ffto:/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] ddcd375d8e86e88f88cc654b248d171b6b48056bb7e781f458f9cad7dd41a84c
[INFO] running `"docker" "start" "-a" "ddcd375d8e86e88f88cc654b248d171b6b48056bb7e781f458f9cad7dd41a84c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ffto-d535a4eab2bb8469
[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" "ddcd375d8e86e88f88cc654b248d171b6b48056bb7e781f458f9cad7dd41a84c"`
[INFO] running `"docker" "rm" "-f" "ddcd375d8e86e88f88cc654b248d171b6b48056bb7e781f458f9cad7dd41a84c"`
[INFO] [stdout] ddcd375d8e86e88f88cc654b248d171b6b48056bb7e781f458f9cad7dd41a84c