[INFO] updating cached repository kalehv/rust_by_example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kalehv/rust_by_example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kalehv/rust_by_example" "work/ex/beta-1.38-1/sources/1.37.0/gh/kalehv/rust_by_example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kalehv/rust_by_example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kalehv/rust_by_example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kalehv/rust_by_example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kalehv/rust_by_example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e29748ab6d772a9281b296562034c8e5dd3be68
[INFO] sha for GitHub repo kalehv/rust_by_example: 3e29748ab6d772a9281b296562034c8e5dd3be68
[INFO] validating manifest of kalehv/rust_by_example 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 kalehv/rust_by_example 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 kalehv/rust_by_example
[INFO] finished frobbing kalehv/rust_by_example
[INFO] frobbed toml for kalehv/rust_by_example written to work/ex/beta-1.38-1/sources/1.37.0/gh/kalehv/rust_by_example/Cargo.toml
[INFO] started frobbing kalehv/rust_by_example
[INFO] finished frobbing kalehv/rust_by_example
[INFO] frobbed toml for kalehv/rust_by_example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kalehv/rust_by_example/Cargo.toml
[INFO] crate kalehv/rust_by_example 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 kalehv/rust_by_example 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kalehv/rust_by_example:/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] 804a0031c5619a93e03a4b2f9998cd083ce858253c6db1076e04f94e28b83669
[INFO] running `"docker" "start" "-a" "804a0031c5619a93e03a4b2f9998cd083ce858253c6db1076e04f94e28b83669"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_by_example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "804a0031c5619a93e03a4b2f9998cd083ce858253c6db1076e04f94e28b83669"`
[INFO] running `"docker" "rm" "-f" "804a0031c5619a93e03a4b2f9998cd083ce858253c6db1076e04f94e28b83669"`
[INFO] [stdout] 804a0031c5619a93e03a4b2f9998cd083ce858253c6db1076e04f94e28b83669
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kalehv/rust_by_example:/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] d4ca6d49670f6d2d4783ef42525e9e5d9cda92a08df008746b2a35201436345d
[INFO] running `"docker" "start" "-a" "d4ca6d49670f6d2d4783ef42525e9e5d9cda92a08df008746b2a35201436345d"`
[INFO] [stderr]    Compiling rust_by_example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "d4ca6d49670f6d2d4783ef42525e9e5d9cda92a08df008746b2a35201436345d"`
[INFO] running `"docker" "rm" "-f" "d4ca6d49670f6d2d4783ef42525e9e5d9cda92a08df008746b2a35201436345d"`
[INFO] [stdout] d4ca6d49670f6d2d4783ef42525e9e5d9cda92a08df008746b2a35201436345d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kalehv/rust_by_example:/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] f8391cf9157eaa6248634882bd58b12e98cc45fbce451ec188e2b19b538337d6
[INFO] running `"docker" "start" "-a" "f8391cf9157eaa6248634882bd58b12e98cc45fbce451ec188e2b19b538337d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_by_example-a40c16f79185975e
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f8391cf9157eaa6248634882bd58b12e98cc45fbce451ec188e2b19b538337d6"`
[INFO] running `"docker" "rm" "-f" "f8391cf9157eaa6248634882bd58b12e98cc45fbce451ec188e2b19b538337d6"`
[INFO] [stdout] f8391cf9157eaa6248634882bd58b12e98cc45fbce451ec188e2b19b538337d6