[INFO] updating cached repository fly-duck/Rust_Tutorials
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fly-duck/Rust_Tutorials
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fly-duck/Rust_Tutorials" "work/ex/beta-1.38-1/sources/1.37.0/gh/fly-duck/Rust_Tutorials"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fly-duck/Rust_Tutorials'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fly-duck/Rust_Tutorials" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fly-duck/Rust_Tutorials"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fly-duck/Rust_Tutorials'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df8775048264d44495f04ff77b3b19946b09088b
[INFO] sha for GitHub repo fly-duck/Rust_Tutorials: df8775048264d44495f04ff77b3b19946b09088b
[INFO] validating manifest of fly-duck/Rust_Tutorials 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 fly-duck/Rust_Tutorials 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 fly-duck/Rust_Tutorials
[INFO] finished frobbing fly-duck/Rust_Tutorials
[INFO] frobbed toml for fly-duck/Rust_Tutorials written to work/ex/beta-1.38-1/sources/1.37.0/gh/fly-duck/Rust_Tutorials/Cargo.toml
[INFO] started frobbing fly-duck/Rust_Tutorials
[INFO] finished frobbing fly-duck/Rust_Tutorials
[INFO] frobbed toml for fly-duck/Rust_Tutorials written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fly-duck/Rust_Tutorials/Cargo.toml
[INFO] crate fly-duck/Rust_Tutorials 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 fly-duck/Rust_Tutorials 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fly-duck/Rust_Tutorials:/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] 8d2e04466a12eb5171d9effb4ff64a30400387dc579920de5481f615c121812a
[INFO] running `"docker" "start" "-a" "8d2e04466a12eb5171d9effb4ff64a30400387dc579920de5481f615c121812a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "8d2e04466a12eb5171d9effb4ff64a30400387dc579920de5481f615c121812a"`
[INFO] running `"docker" "rm" "-f" "8d2e04466a12eb5171d9effb4ff64a30400387dc579920de5481f615c121812a"`
[INFO] [stdout] 8d2e04466a12eb5171d9effb4ff64a30400387dc579920de5481f615c121812a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fly-duck/Rust_Tutorials:/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] 15445914c19451e79165ff86af47ca1357a0a0d5e52d7371a08aedff6dc5bdce
[INFO] running `"docker" "start" "-a" "15445914c19451e79165ff86af47ca1357a0a0d5e52d7371a08aedff6dc5bdce"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "15445914c19451e79165ff86af47ca1357a0a0d5e52d7371a08aedff6dc5bdce"`
[INFO] running `"docker" "rm" "-f" "15445914c19451e79165ff86af47ca1357a0a0d5e52d7371a08aedff6dc5bdce"`
[INFO] [stdout] 15445914c19451e79165ff86af47ca1357a0a0d5e52d7371a08aedff6dc5bdce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/fly-duck/Rust_Tutorials:/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] cf0f2469a0d102b4cd3f8224d2db5e667f5a5a35f6e9b1feb68ea9558afbc292
[INFO] running `"docker" "start" "-a" "cf0f2469a0d102b4cd3f8224d2db5e667f5a5a35f6e9b1feb68ea9558afbc292"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_rust-1baa56749b251e8d
[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" "cf0f2469a0d102b4cd3f8224d2db5e667f5a5a35f6e9b1feb68ea9558afbc292"`
[INFO] running `"docker" "rm" "-f" "cf0f2469a0d102b4cd3f8224d2db5e667f5a5a35f6e9b1feb68ea9558afbc292"`
[INFO] [stdout] cf0f2469a0d102b4cd3f8224d2db5e667f5a5a35f6e9b1feb68ea9558afbc292