[INFO] updating cached repository c2TheOlin/RustIntro
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/c2TheOlin/RustIntro
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/c2TheOlin/RustIntro" "work/ex/beta-1.38-1/sources/1.37.0/gh/c2TheOlin/RustIntro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/c2TheOlin/RustIntro'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/c2TheOlin/RustIntro" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c2TheOlin/RustIntro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c2TheOlin/RustIntro'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 399fa3652727921cb650dbc7bbb1f95f46f47b3a
[INFO] sha for GitHub repo c2TheOlin/RustIntro: 399fa3652727921cb650dbc7bbb1f95f46f47b3a
[INFO] validating manifest of c2TheOlin/RustIntro 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 c2TheOlin/RustIntro 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 c2TheOlin/RustIntro
[INFO] finished frobbing c2TheOlin/RustIntro
[INFO] frobbed toml for c2TheOlin/RustIntro written to work/ex/beta-1.38-1/sources/1.37.0/gh/c2TheOlin/RustIntro/Cargo.toml
[INFO] started frobbing c2TheOlin/RustIntro
[INFO] finished frobbing c2TheOlin/RustIntro
[INFO] frobbed toml for c2TheOlin/RustIntro written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c2TheOlin/RustIntro/Cargo.toml
[INFO] crate c2TheOlin/RustIntro 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 c2TheOlin/RustIntro 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/c2TheOlin/RustIntro:/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] 20a3c200c8137473a44342328ba3af6ce0afa872c1a15b200e05b8e436c6463f
[INFO] running `"docker" "start" "-a" "20a3c200c8137473a44342328ba3af6ce0afa872c1a15b200e05b8e436c6463f"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "20a3c200c8137473a44342328ba3af6ce0afa872c1a15b200e05b8e436c6463f"`
[INFO] running `"docker" "rm" "-f" "20a3c200c8137473a44342328ba3af6ce0afa872c1a15b200e05b8e436c6463f"`
[INFO] [stdout] 20a3c200c8137473a44342328ba3af6ce0afa872c1a15b200e05b8e436c6463f
[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/c2TheOlin/RustIntro:/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] 1f2a9ed56a786d2df156d7a708df7439ab991c8ee6ea9c0ed2a33dceb95ae7f3
[INFO] running `"docker" "start" "-a" "1f2a9ed56a786d2df156d7a708df7439ab991c8ee6ea9c0ed2a33dceb95ae7f3"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "1f2a9ed56a786d2df156d7a708df7439ab991c8ee6ea9c0ed2a33dceb95ae7f3"`
[INFO] running `"docker" "rm" "-f" "1f2a9ed56a786d2df156d7a708df7439ab991c8ee6ea9c0ed2a33dceb95ae7f3"`
[INFO] [stdout] 1f2a9ed56a786d2df156d7a708df7439ab991c8ee6ea9c0ed2a33dceb95ae7f3
[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/c2TheOlin/RustIntro:/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] eafb909aea93e627cb3c5c8587ff7811b1bc6565aef53bcc18da349f31c2867b
[INFO] running `"docker" "start" "-a" "eafb909aea93e627cb3c5c8587ff7811b1bc6565aef53bcc18da349f31c2867b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_rust-68da27526aa5e920
[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" "eafb909aea93e627cb3c5c8587ff7811b1bc6565aef53bcc18da349f31c2867b"`
[INFO] running `"docker" "rm" "-f" "eafb909aea93e627cb3c5c8587ff7811b1bc6565aef53bcc18da349f31c2867b"`
[INFO] [stdout] eafb909aea93e627cb3c5c8587ff7811b1bc6565aef53bcc18da349f31c2867b