[INFO] updating cached repository ondevnull/musical-pancake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ondevnull/musical-pancake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ondevnull/musical-pancake" "work/ex/beta-1.38-1/sources/1.37.0/gh/ondevnull/musical-pancake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ondevnull/musical-pancake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ondevnull/musical-pancake" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ondevnull/musical-pancake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ondevnull/musical-pancake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c96c94f18b8d145c3aa6e8aded69dc4c5dd124d6
[INFO] sha for GitHub repo ondevnull/musical-pancake: c96c94f18b8d145c3aa6e8aded69dc4c5dd124d6
[INFO] validating manifest of ondevnull/musical-pancake 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 ondevnull/musical-pancake 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 ondevnull/musical-pancake
[INFO] finished frobbing ondevnull/musical-pancake
[INFO] frobbed toml for ondevnull/musical-pancake written to work/ex/beta-1.38-1/sources/1.37.0/gh/ondevnull/musical-pancake/Cargo.toml
[INFO] started frobbing ondevnull/musical-pancake
[INFO] finished frobbing ondevnull/musical-pancake
[INFO] frobbed toml for ondevnull/musical-pancake written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ondevnull/musical-pancake/Cargo.toml
[INFO] crate ondevnull/musical-pancake 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 ondevnull/musical-pancake 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/ondevnull/musical-pancake:/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] d448ea6f3b91d62bba5a00f2085aa8aac4aa2631c3dc875a20d7e4344b7d5a36
[INFO] running `"docker" "start" "-a" "d448ea6f3b91d62bba5a00f2085aa8aac4aa2631c3dc875a20d7e4344b7d5a36"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "d448ea6f3b91d62bba5a00f2085aa8aac4aa2631c3dc875a20d7e4344b7d5a36"`
[INFO] running `"docker" "rm" "-f" "d448ea6f3b91d62bba5a00f2085aa8aac4aa2631c3dc875a20d7e4344b7d5a36"`
[INFO] [stdout] d448ea6f3b91d62bba5a00f2085aa8aac4aa2631c3dc875a20d7e4344b7d5a36
[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/ondevnull/musical-pancake:/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] fc582766c9592f482d2927dd573d065f5bf7d638df5e78dfa0f5b8feda2189e6
[INFO] running `"docker" "start" "-a" "fc582766c9592f482d2927dd573d065f5bf7d638df5e78dfa0f5b8feda2189e6"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "fc582766c9592f482d2927dd573d065f5bf7d638df5e78dfa0f5b8feda2189e6"`
[INFO] running `"docker" "rm" "-f" "fc582766c9592f482d2927dd573d065f5bf7d638df5e78dfa0f5b8feda2189e6"`
[INFO] [stdout] fc582766c9592f482d2927dd573d065f5bf7d638df5e78dfa0f5b8feda2189e6
[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/ondevnull/musical-pancake:/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] 8896ff3bc2ca496755d6bb18ae8fc033096da7b0f611b1dde602fc3ea5aeeb18
[INFO] running `"docker" "start" "-a" "8896ff3bc2ca496755d6bb18ae8fc033096da7b0f611b1dde602fc3ea5aeeb18"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-f3fa3631b8c50bb1
[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" "8896ff3bc2ca496755d6bb18ae8fc033096da7b0f611b1dde602fc3ea5aeeb18"`
[INFO] running `"docker" "rm" "-f" "8896ff3bc2ca496755d6bb18ae8fc033096da7b0f611b1dde602fc3ea5aeeb18"`
[INFO] [stdout] 8896ff3bc2ca496755d6bb18ae8fc033096da7b0f611b1dde602fc3ea5aeeb18