[INFO] updating cached repository NoCtrlZ/Rust-Intro
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NoCtrlZ/Rust-Intro
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NoCtrlZ/Rust-Intro" "work/ex/beta-1.38-1/sources/1.37.0/gh/NoCtrlZ/Rust-Intro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/NoCtrlZ/Rust-Intro'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NoCtrlZ/Rust-Intro" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NoCtrlZ/Rust-Intro"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NoCtrlZ/Rust-Intro'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d32e1185998d2455b0efdaa0567fa5c881e35d74
[INFO] sha for GitHub repo NoCtrlZ/Rust-Intro: d32e1185998d2455b0efdaa0567fa5c881e35d74
[INFO] validating manifest of NoCtrlZ/Rust-Intro 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 NoCtrlZ/Rust-Intro 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 NoCtrlZ/Rust-Intro
[INFO] finished frobbing NoCtrlZ/Rust-Intro
[INFO] frobbed toml for NoCtrlZ/Rust-Intro written to work/ex/beta-1.38-1/sources/1.37.0/gh/NoCtrlZ/Rust-Intro/Cargo.toml
[INFO] started frobbing NoCtrlZ/Rust-Intro
[INFO] finished frobbing NoCtrlZ/Rust-Intro
[INFO] frobbed toml for NoCtrlZ/Rust-Intro written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NoCtrlZ/Rust-Intro/Cargo.toml
[INFO] crate NoCtrlZ/Rust-Intro 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 NoCtrlZ/Rust-Intro 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/NoCtrlZ/Rust-Intro:/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] b238eeda74a234e090ae1d26351842de64480157311de5e067c25dcb7f6e22b1
[INFO] running `"docker" "start" "-a" "b238eeda74a234e090ae1d26351842de64480157311de5e067c25dcb7f6e22b1"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "b238eeda74a234e090ae1d26351842de64480157311de5e067c25dcb7f6e22b1"`
[INFO] running `"docker" "rm" "-f" "b238eeda74a234e090ae1d26351842de64480157311de5e067c25dcb7f6e22b1"`
[INFO] [stdout] b238eeda74a234e090ae1d26351842de64480157311de5e067c25dcb7f6e22b1
[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/NoCtrlZ/Rust-Intro:/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] fdc254984f1e3c57c89f2e886b1cee2a11a40024f9b7ebb3e9c62dd79d954c6b
[INFO] running `"docker" "start" "-a" "fdc254984f1e3c57c89f2e886b1cee2a11a40024f9b7ebb3e9c62dd79d954c6b"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "fdc254984f1e3c57c89f2e886b1cee2a11a40024f9b7ebb3e9c62dd79d954c6b"`
[INFO] running `"docker" "rm" "-f" "fdc254984f1e3c57c89f2e886b1cee2a11a40024f9b7ebb3e9c62dd79d954c6b"`
[INFO] [stdout] fdc254984f1e3c57c89f2e886b1cee2a11a40024f9b7ebb3e9c62dd79d954c6b
[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/NoCtrlZ/Rust-Intro:/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] c9efe591d3406c81e2b3d05dfa609169835e38377eb8eca9af7491614c36957e
[INFO] running `"docker" "start" "-a" "c9efe591d3406c81e2b3d05dfa609169835e38377eb8eca9af7491614c36957e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello-bf25bb57654ade91
[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" "c9efe591d3406c81e2b3d05dfa609169835e38377eb8eca9af7491614c36957e"`
[INFO] running `"docker" "rm" "-f" "c9efe591d3406c81e2b3d05dfa609169835e38377eb8eca9af7491614c36957e"`
[INFO] [stdout] c9efe591d3406c81e2b3d05dfa609169835e38377eb8eca9af7491614c36957e