[INFO] updating cached repository Rigellute/rust-fizz-buzz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rigellute/rust-fizz-buzz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rigellute/rust-fizz-buzz" "work/ex/beta-1.38-1/sources/1.37.0/gh/Rigellute/rust-fizz-buzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Rigellute/rust-fizz-buzz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rigellute/rust-fizz-buzz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rigellute/rust-fizz-buzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rigellute/rust-fizz-buzz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a3da232056df7be6e25d67313d7537e2c6577799
[INFO] sha for GitHub repo Rigellute/rust-fizz-buzz: a3da232056df7be6e25d67313d7537e2c6577799
[INFO] validating manifest of Rigellute/rust-fizz-buzz 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 Rigellute/rust-fizz-buzz 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 Rigellute/rust-fizz-buzz
[INFO] finished frobbing Rigellute/rust-fizz-buzz
[INFO] frobbed toml for Rigellute/rust-fizz-buzz written to work/ex/beta-1.38-1/sources/1.37.0/gh/Rigellute/rust-fizz-buzz/Cargo.toml
[INFO] started frobbing Rigellute/rust-fizz-buzz
[INFO] finished frobbing Rigellute/rust-fizz-buzz
[INFO] frobbed toml for Rigellute/rust-fizz-buzz written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rigellute/rust-fizz-buzz/Cargo.toml
[INFO] crate Rigellute/rust-fizz-buzz 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Rigellute/rust-fizz-buzz 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Rigellute/rust-fizz-buzz:/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] bf5739bd2370c731fc7ebbb773e936cef00a31d73473b0e5b4fd8cb9e2224437
[INFO] running `"docker" "start" "-a" "bf5739bd2370c731fc7ebbb773e936cef00a31d73473b0e5b4fd8cb9e2224437"`
[INFO] [stderr]    Compiling fizz-buzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "bf5739bd2370c731fc7ebbb773e936cef00a31d73473b0e5b4fd8cb9e2224437"`
[INFO] running `"docker" "rm" "-f" "bf5739bd2370c731fc7ebbb773e936cef00a31d73473b0e5b4fd8cb9e2224437"`
[INFO] [stdout] bf5739bd2370c731fc7ebbb773e936cef00a31d73473b0e5b4fd8cb9e2224437
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Rigellute/rust-fizz-buzz:/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] 64f3ad03af61d12b6c654e24aa2b2bc6425e59a8fdbaf587fb9ba22e53248e77
[INFO] running `"docker" "start" "-a" "64f3ad03af61d12b6c654e24aa2b2bc6425e59a8fdbaf587fb9ba22e53248e77"`
[INFO] [stderr]    Compiling fizz-buzz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "64f3ad03af61d12b6c654e24aa2b2bc6425e59a8fdbaf587fb9ba22e53248e77"`
[INFO] running `"docker" "rm" "-f" "64f3ad03af61d12b6c654e24aa2b2bc6425e59a8fdbaf587fb9ba22e53248e77"`
[INFO] [stdout] 64f3ad03af61d12b6c654e24aa2b2bc6425e59a8fdbaf587fb9ba22e53248e77
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Rigellute/rust-fizz-buzz:/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] 7d82f7c036857b03c1805154fad7a6c711f2e89d220477234ae346ff40c3e20e
[INFO] running `"docker" "start" "-a" "7d82f7c036857b03c1805154fad7a6c711f2e89d220477234ae346ff40c3e20e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fizz_buzz-548f59df0aabd452
[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" "7d82f7c036857b03c1805154fad7a6c711f2e89d220477234ae346ff40c3e20e"`
[INFO] running `"docker" "rm" "-f" "7d82f7c036857b03c1805154fad7a6c711f2e89d220477234ae346ff40c3e20e"`
[INFO] [stdout] 7d82f7c036857b03c1805154fad7a6c711f2e89d220477234ae346ff40c3e20e