[INFO] updating cached repository PlasmaPower/random-walk
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PlasmaPower/random-walk
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/random-walk" "work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/random-walk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/random-walk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/random-walk" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PlasmaPower/random-walk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PlasmaPower/random-walk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c3be3cb2aee6f580185c50dbbc60c3aabe38750
[INFO] sha for GitHub repo PlasmaPower/random-walk: 4c3be3cb2aee6f580185c50dbbc60c3aabe38750
[INFO] validating manifest of PlasmaPower/random-walk on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PlasmaPower/random-walk on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PlasmaPower/random-walk
[INFO] finished frobbing PlasmaPower/random-walk
[INFO] frobbed toml for PlasmaPower/random-walk written to work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/random-walk/Cargo.toml
[INFO] started frobbing PlasmaPower/random-walk
[INFO] finished frobbing PlasmaPower/random-walk
[INFO] frobbed toml for PlasmaPower/random-walk written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PlasmaPower/random-walk/Cargo.toml
[INFO] crate PlasmaPower/random-walk already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing PlasmaPower/random-walk against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/random-walk:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0b7b81a70294aaf6a2cfddd5d22e28b32ff041a0a366120ab812782dcac51ded
[INFO] running `"docker" "start" "-a" "0b7b81a70294aaf6a2cfddd5d22e28b32ff041a0a366120ab812782dcac51ded"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling clap v2.24.2
[INFO] [stderr]    Compiling random-walk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.49s
[INFO] running `"docker" "inspect" "0b7b81a70294aaf6a2cfddd5d22e28b32ff041a0a366120ab812782dcac51ded"`
[INFO] running `"docker" "rm" "-f" "0b7b81a70294aaf6a2cfddd5d22e28b32ff041a0a366120ab812782dcac51ded"`
[INFO] [stdout] 0b7b81a70294aaf6a2cfddd5d22e28b32ff041a0a366120ab812782dcac51ded
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/random-walk:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9be4fe56eb00fdd369dbbbe53f19037192389e18f028c3a1bcc9913602a3ef9c
[INFO] running `"docker" "start" "-a" "9be4fe56eb00fdd369dbbbe53f19037192389e18f028c3a1bcc9913602a3ef9c"`
[INFO] [stderr]    Compiling random-walk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "9be4fe56eb00fdd369dbbbe53f19037192389e18f028c3a1bcc9913602a3ef9c"`
[INFO] running `"docker" "rm" "-f" "9be4fe56eb00fdd369dbbbe53f19037192389e18f028c3a1bcc9913602a3ef9c"`
[INFO] [stdout] 9be4fe56eb00fdd369dbbbe53f19037192389e18f028c3a1bcc9913602a3ef9c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/random-walk:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f7015de59f476fd37a8852d52e3090d99efa1593b4d23b19d5d7ba70544309d3
[INFO] running `"docker" "start" "-a" "f7015de59f476fd37a8852d52e3090d99efa1593b4d23b19d5d7ba70544309d3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/random_walk-fb9eff7dbcd10aea
[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" "f7015de59f476fd37a8852d52e3090d99efa1593b4d23b19d5d7ba70544309d3"`
[INFO] running `"docker" "rm" "-f" "f7015de59f476fd37a8852d52e3090d99efa1593b4d23b19d5d7ba70544309d3"`
[INFO] [stdout] f7015de59f476fd37a8852d52e3090d99efa1593b4d23b19d5d7ba70544309d3