[INFO] updating cached repository giodamelio/little_boxes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/giodamelio/little_boxes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/giodamelio/little_boxes" "work/ex/beta-1.38-1/sources/1.37.0/gh/giodamelio/little_boxes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/giodamelio/little_boxes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/giodamelio/little_boxes" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/giodamelio/little_boxes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/giodamelio/little_boxes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78c2117ea1a0762b0b2a9172ce88a7b2b3f60456
[INFO] sha for GitHub repo giodamelio/little_boxes: 78c2117ea1a0762b0b2a9172ce88a7b2b3f60456
[INFO] validating manifest of giodamelio/little_boxes 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 giodamelio/little_boxes 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 giodamelio/little_boxes
[INFO] finished frobbing giodamelio/little_boxes
[INFO] frobbed toml for giodamelio/little_boxes written to work/ex/beta-1.38-1/sources/1.37.0/gh/giodamelio/little_boxes/Cargo.toml
[INFO] started frobbing giodamelio/little_boxes
[INFO] finished frobbing giodamelio/little_boxes
[INFO] frobbed toml for giodamelio/little_boxes written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/giodamelio/little_boxes/Cargo.toml
[INFO] crate giodamelio/little_boxes 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] testing giodamelio/little_boxes 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-6/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/giodamelio/little_boxes:/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] c3904127890a910883033bb884c4be3ba602e6c11f637f5d0693e6b894660896
[INFO] running `"docker" "start" "-a" "c3904127890a910883033bb884c4be3ba602e6c11f637f5d0693e6b894660896"`
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling serde v1.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.12
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling docopt v0.8.1
[INFO] [stderr]    Compiling little_boxes v1.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.65s
[INFO] running `"docker" "inspect" "c3904127890a910883033bb884c4be3ba602e6c11f637f5d0693e6b894660896"`
[INFO] running `"docker" "rm" "-f" "c3904127890a910883033bb884c4be3ba602e6c11f637f5d0693e6b894660896"`
[INFO] [stdout] c3904127890a910883033bb884c4be3ba602e6c11f637f5d0693e6b894660896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/giodamelio/little_boxes:/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] c5148d1ca02976fed2e6c641c31c95cf60f67b012eb48ebe0e148dd7b2eec0d2
[INFO] running `"docker" "start" "-a" "c5148d1ca02976fed2e6c641c31c95cf60f67b012eb48ebe0e148dd7b2eec0d2"`
[INFO] [stderr]    Compiling little_boxes v1.6.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "c5148d1ca02976fed2e6c641c31c95cf60f67b012eb48ebe0e148dd7b2eec0d2"`
[INFO] running `"docker" "rm" "-f" "c5148d1ca02976fed2e6c641c31c95cf60f67b012eb48ebe0e148dd7b2eec0d2"`
[INFO] [stdout] c5148d1ca02976fed2e6c641c31c95cf60f67b012eb48ebe0e148dd7b2eec0d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/giodamelio/little_boxes:/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] 3dc34ba2732cff24042cf6db11f6d2a0ef718604a1628cf5df8e84357c72054d
[INFO] running `"docker" "start" "-a" "3dc34ba2732cff24042cf6db11f6d2a0ef718604a1628cf5df8e84357c72054d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/little_boxes-5bbbc8eeb263da25
[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" "3dc34ba2732cff24042cf6db11f6d2a0ef718604a1628cf5df8e84357c72054d"`
[INFO] running `"docker" "rm" "-f" "3dc34ba2732cff24042cf6db11f6d2a0ef718604a1628cf5df8e84357c72054d"`
[INFO] [stdout] 3dc34ba2732cff24042cf6db11f6d2a0ef718604a1628cf5df8e84357c72054d