[INFO] updating cached repository ferruccio/fast
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ferruccio/fast
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ferruccio/fast" "work/ex/beta-1.38-1/sources/1.37.0/gh/ferruccio/fast"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ferruccio/fast'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ferruccio/fast" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ferruccio/fast"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ferruccio/fast'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c83006056a8f69b3897f52b218a0d2ed35868de3
[INFO] sha for GitHub repo ferruccio/fast: c83006056a8f69b3897f52b218a0d2ed35868de3
[INFO] validating manifest of ferruccio/fast 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 ferruccio/fast 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 ferruccio/fast
[INFO] finished frobbing ferruccio/fast
[INFO] frobbed toml for ferruccio/fast written to work/ex/beta-1.38-1/sources/1.37.0/gh/ferruccio/fast/Cargo.toml
[INFO] started frobbing ferruccio/fast
[INFO] finished frobbing ferruccio/fast
[INFO] frobbed toml for ferruccio/fast written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ferruccio/fast/Cargo.toml
[INFO] crate ferruccio/fast 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 ferruccio/fast against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ferruccio/fast:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e7e03db5c981e7d8c9b285015cd27a1fdafcce9000fdda8dd502c16024b3e09d
[INFO] running `"docker" "start" "-a" "e7e03db5c981e7d8c9b285015cd27a1fdafcce9000fdda8dd502c16024b3e09d"`
[INFO] [stderr]    Compiling rusoto_core v0.35.0
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling hyper v0.12.14
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling rusoto_credential v0.14.0
[INFO] [stderr]    Compiling rusoto_sts v0.35.0
[INFO] [stderr]    Compiling fast v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "e7e03db5c981e7d8c9b285015cd27a1fdafcce9000fdda8dd502c16024b3e09d"`
[INFO] running `"docker" "rm" "-f" "e7e03db5c981e7d8c9b285015cd27a1fdafcce9000fdda8dd502c16024b3e09d"`
[INFO] [stdout] e7e03db5c981e7d8c9b285015cd27a1fdafcce9000fdda8dd502c16024b3e09d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ferruccio/fast:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c96267f1018586df3ce49d7243418860b20cdb62e9ce0b1b6b8d8b571c0992be
[INFO] running `"docker" "start" "-a" "c96267f1018586df3ce49d7243418860b20cdb62e9ce0b1b6b8d8b571c0992be"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fast v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "c96267f1018586df3ce49d7243418860b20cdb62e9ce0b1b6b8d8b571c0992be"`
[INFO] running `"docker" "rm" "-f" "c96267f1018586df3ce49d7243418860b20cdb62e9ce0b1b6b8d8b571c0992be"`
[INFO] [stdout] c96267f1018586df3ce49d7243418860b20cdb62e9ce0b1b6b8d8b571c0992be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ferruccio/fast:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 575395e048ac47cefe4f739ac054358bc6a5c4755b1681049f939b71a6ae57a8
[INFO] running `"docker" "start" "-a" "575395e048ac47cefe4f739ac054358bc6a5c4755b1681049f939b71a6ae57a8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fast-619e206c18895164
[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" "575395e048ac47cefe4f739ac054358bc6a5c4755b1681049f939b71a6ae57a8"`
[INFO] running `"docker" "rm" "-f" "575395e048ac47cefe4f739ac054358bc6a5c4755b1681049f939b71a6ae57a8"`
[INFO] [stdout] 575395e048ac47cefe4f739ac054358bc6a5c4755b1681049f939b71a6ae57a8