[INFO] updating cached repository michael-christen/rust-hello-world
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michael-christen/rust-hello-world
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michael-christen/rust-hello-world" "work/ex/beta-1.38-1/sources/1.37.0/gh/michael-christen/rust-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/michael-christen/rust-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michael-christen/rust-hello-world" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michael-christen/rust-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michael-christen/rust-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d5fe4e766afe9edc4a38406195de64832202c03
[INFO] sha for GitHub repo michael-christen/rust-hello-world: 6d5fe4e766afe9edc4a38406195de64832202c03
[INFO] validating manifest of michael-christen/rust-hello-world 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 michael-christen/rust-hello-world 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 michael-christen/rust-hello-world
[INFO] finished frobbing michael-christen/rust-hello-world
[INFO] frobbed toml for michael-christen/rust-hello-world written to work/ex/beta-1.38-1/sources/1.37.0/gh/michael-christen/rust-hello-world/Cargo.toml
[INFO] started frobbing michael-christen/rust-hello-world
[INFO] finished frobbing michael-christen/rust-hello-world
[INFO] frobbed toml for michael-christen/rust-hello-world written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michael-christen/rust-hello-world/Cargo.toml
[INFO] crate michael-christen/rust-hello-world 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing michael-christen/rust-hello-world 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michael-christen/rust-hello-world:/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] f288da2d373ec8ede712356149b207e00d47117c73baf1a541e27ee3bd6c073a
[INFO] running `"docker" "start" "-a" "f288da2d373ec8ede712356149b207e00d47117c73baf1a541e27ee3bd6c073a"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "f288da2d373ec8ede712356149b207e00d47117c73baf1a541e27ee3bd6c073a"`
[INFO] running `"docker" "rm" "-f" "f288da2d373ec8ede712356149b207e00d47117c73baf1a541e27ee3bd6c073a"`
[INFO] [stdout] f288da2d373ec8ede712356149b207e00d47117c73baf1a541e27ee3bd6c073a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michael-christen/rust-hello-world:/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] a7f98cf3bd738b9adb58ca4fb92b90223b3cc552042ea6ab49bcfc2e2f301c6f
[INFO] running `"docker" "start" "-a" "a7f98cf3bd738b9adb58ca4fb92b90223b3cc552042ea6ab49bcfc2e2f301c6f"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "a7f98cf3bd738b9adb58ca4fb92b90223b3cc552042ea6ab49bcfc2e2f301c6f"`
[INFO] running `"docker" "rm" "-f" "a7f98cf3bd738b9adb58ca4fb92b90223b3cc552042ea6ab49bcfc2e2f301c6f"`
[INFO] [stdout] a7f98cf3bd738b9adb58ca4fb92b90223b3cc552042ea6ab49bcfc2e2f301c6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michael-christen/rust-hello-world:/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] 7f3fe903a083e8e51b82858d929ee4536044d81921e676a7823f4729a997220d
[INFO] running `"docker" "start" "-a" "7f3fe903a083e8e51b82858d929ee4536044d81921e676a7823f4729a997220d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-1913846196d8ab5a
[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" "7f3fe903a083e8e51b82858d929ee4536044d81921e676a7823f4729a997220d"`
[INFO] running `"docker" "rm" "-f" "7f3fe903a083e8e51b82858d929ee4536044d81921e676a7823f4729a997220d"`
[INFO] [stdout] 7f3fe903a083e8e51b82858d929ee4536044d81921e676a7823f4729a997220d