[INFO] updating cached repository aholowko/rust_sandbox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aholowko/rust_sandbox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aholowko/rust_sandbox" "work/ex/beta-1.37-6/sources/1.36.0/gh/aholowko/rust_sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aholowko/rust_sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aholowko/rust_sandbox" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aholowko/rust_sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aholowko/rust_sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5897a77b57707bed8c60d158a5b75d7db4216083
[INFO] sha for GitHub repo aholowko/rust_sandbox: 5897a77b57707bed8c60d158a5b75d7db4216083
[INFO] validating manifest of aholowko/rust_sandbox 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 aholowko/rust_sandbox 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 aholowko/rust_sandbox
[INFO] finished frobbing aholowko/rust_sandbox
[INFO] frobbed toml for aholowko/rust_sandbox written to work/ex/beta-1.37-6/sources/1.36.0/gh/aholowko/rust_sandbox/Cargo.toml
[INFO] started frobbing aholowko/rust_sandbox
[INFO] finished frobbing aholowko/rust_sandbox
[INFO] frobbed toml for aholowko/rust_sandbox written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aholowko/rust_sandbox/Cargo.toml
[INFO] crate aholowko/rust_sandbox 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing aholowko/rust_sandbox 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aholowko/rust_sandbox:/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] b2c96ecfd5cc98d82855851f1de87548d3268307a29b1a800ee8d0c746e42376
[INFO] running `"docker" "start" "-a" "b2c96ecfd5cc98d82855851f1de87548d3268307a29b1a800ee8d0c746e42376"`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "b2c96ecfd5cc98d82855851f1de87548d3268307a29b1a800ee8d0c746e42376"`
[INFO] running `"docker" "rm" "-f" "b2c96ecfd5cc98d82855851f1de87548d3268307a29b1a800ee8d0c746e42376"`
[INFO] [stdout] b2c96ecfd5cc98d82855851f1de87548d3268307a29b1a800ee8d0c746e42376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aholowko/rust_sandbox:/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] 14536bff06bee65c105cd72139ec1ff90d3bb69e22ce4be5f9bf106ed40fe052
[INFO] running `"docker" "start" "-a" "14536bff06bee65c105cd72139ec1ff90d3bb69e22ce4be5f9bf106ed40fe052"`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "14536bff06bee65c105cd72139ec1ff90d3bb69e22ce4be5f9bf106ed40fe052"`
[INFO] running `"docker" "rm" "-f" "14536bff06bee65c105cd72139ec1ff90d3bb69e22ce4be5f9bf106ed40fe052"`
[INFO] [stdout] 14536bff06bee65c105cd72139ec1ff90d3bb69e22ce4be5f9bf106ed40fe052
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aholowko/rust_sandbox:/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] b42b1b8d3debdd309132a75af3b4ec6e0169f43ca319f84f1a1617b66368011e
[INFO] running `"docker" "start" "-a" "b42b1b8d3debdd309132a75af3b4ec6e0169f43ca319f84f1a1617b66368011e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sandbox-338787dba1e5eb1f
[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" "b42b1b8d3debdd309132a75af3b4ec6e0169f43ca319f84f1a1617b66368011e"`
[INFO] running `"docker" "rm" "-f" "b42b1b8d3debdd309132a75af3b4ec6e0169f43ca319f84f1a1617b66368011e"`
[INFO] [stdout] b42b1b8d3debdd309132a75af3b4ec6e0169f43ca319f84f1a1617b66368011e